In this guide
Socio, Club Athletic or Nobody at All: Who Gets Served FirstInside the Club's Own Sale: Monday Mornings, Per-Sale Limits and 30 to 240 EurosThe Three Matches That Break the System: Real Madrid, Barcelona and the DerbyWhere to Sit at San Mamés, Where Away Fans Go and What Hospitality CostsBuying From a Marketplace in the Basque Country: Rules, Risks and the GuaranteeFrom Listing to Turnstile: How a Marketplace Order WorksMatchday Practicalities for VisitorsFAQsAthletic Club opened general sale for its match against Valencia at 10:30 on Monday 20 April 2026, exactly 20 days before kick-off, and it ran the same Monday-morning pattern for Espanyol the previous December and for the league derby of 1 February 2026, whose general sale opened on Monday 12 January. That is the first thing to understand about Athletic Bilbao tickets without membership: the door is open, but it opens late, it closes fast and the timing shifts for cup ties. Non-members can buy when the club releases tickets for public sale, subject to availability, and this guide explains when that sale happens, what it costs, why the Real Madrid, Barcelona and Real Sociedad games are different, and what the alternatives are when the club has nothing left.
Article Summary: You do not need to be a socio (a member with a season seat) to buy Athletic Club home tickets. The club sells remaining seats to the general public after a socio and Club Athletic presale, most often from 10:30 on a Monday about three weeks before a league match, at 30 to 240 euros. Club Athletic cards are the only way a non-member gets in ahead of the public.
- The club's own San Mamés guide states that general admission tickets usually range from 30 to 240 euros (about 25 to 201 pounds, or AED 124 to 993 at 4 November 2026 rates) depending on the opponent and the stand.
- Athletic Club general sale for the Espanyol match of 22 December 2025 opened at 10:30 on Monday 1 December, and for the Valencia match of 10 May 2026 at 10:30 on Monday 20 April, with purchase limits set per sale (four per transaction for those matches, four per person for some 2026 sales), according to the club's own sale notices.
- The Club Athletic card costs 50 euros a year and the Premium card 89 euros, and only Premium gives priority access for the Real Madrid, Barcelona and Real Sociedad matches, according to the club's Club Athletic page as of 4 November 2026.
- Athletic Club's waiting list to become a socio stood at 8,500 names at the autumn 2025 members' assembly and passed 11,000 by August 2026, according to El Gol Digital and Bilbao Hiria, so membership is not a route in for a trip this season.
- Real Madrid visit San Mamés on Sunday 6 December 2026 and Barcelona on Sunday 28 February 2027, subject to LaLiga confirming the kick-off slots, and these are the two home dates where the club's general sale is least likely to help.
Athletic Club is a members' club in the full sense: the socios own it, elect its president and hold the seats. That shapes everything about buying a ticket as an outsider, from the presale order to the speed at which the big games vanish. The sections below take the club's own route first, then the Club Athletic cards, then hospitality, then the marketplace, where current Athletic Bilbao tickets cover the whole 2026/27 home programme, including the dates the club has not yet opened.
Socio, Club Athletic or Nobody at All: Who Gets Served First

Every seat at San Mamés passes through a queue, and your place in it depends on which card you hold. Socios come first because they hold a seat all season. The two paid Club Athletic cards come next, with Premium ahead of the standard card for the headline matches. The general public comes last, and buys only what is left after everyone above has had their turn.
| Who you are | Annual cost (as of 4 Nov 2026) | Where you stand for a San Mamés ticket | Can a visitor from abroad get it? |
|---|---|---|---|
| Socio (member with a season seat) | Season fee; not relevant to new applicants | Holds a seat for every home match; releases it to the club if not attending | Only through a waiting list that passed 11,000 names in 2026 |
| Club Athletic Premium | 89 euros (about 74 pounds, AED 368) | Presale with priority for European, Copa del Rey, Real Madrid, Barcelona and Real Sociedad matches; 30-euro voucher for other LaLiga games | Yes, the club's pages set no residency rule |
| Club Athletic | 50 euros (about 42 pounds, AED 207) | Presale before general sale, up to two tickets per card, one of which can be a reduced-price child ticket | Yes, the club's pages set no residency rule |
| Athleticzale (free digital card) | Free | Newsletter and digital content; no presale access | Yes |
| General public | Free registration on the club's ticket site | Whatever remains at general sale, most often a Monday at 10:30 for league matches | Yes |
The socio tier is the one visitors ask about most, and the honest answer is that it is closed in practice. The club's director general told the autumn 2025 members' assembly that the list to become a socio had reached 8,500 people, according to El Gol Digital, and by August 2026 the same outlet and Bilbao Hiria put it at more than 11,000, citing a letter from president Jon Uriarte. Deia reported roughly 43,800 socios in mid-2025, and renewals run close to full, so the number of seats that come free each year is tiny against the queue. The club's statutes admit new socios in order of application, with two exceptions the club publishes: applications proposed by socios with more than 25 years' membership have their own priority provisions, and Club Athletic card holders are listed as having priority for socio and Gazte Abonoa admission, although the club does not publish how much time either saves. Either way, joining the list now is a long-term commitment rather than a plan for this season.
What the socio system does do for outsiders is feed the general sale. A socio who cannot attend can release the seat to the club through the app, the Txoko de Socios section of the club website or by phone, and if the seat sells the club pays the socio half of the net price, a scheme Athletic Club introduced for the Real Madrid match in December 2021 and has run routinely since. The public sale draws on two pools: seats that were never allocated to a socio or a card holder, and seats socios release as the match approaches. Because releases keep arriving until the day before a match, the club's site can show availability late on even for games that looked sold out at the first window. The flip side is that for a Tuesday night against a mid-table side there is usually something, while for the three headline visitors and any Copa del Rey tie against a big club demand is high and public availability is not assured. The 1 November 2026 derby did reach general sale, on 12 October according to the club, so the window exists even for the derby; what it holds depends on how many seats socios release. The same priority logic runs across La Liga tickets at every members' club in Spain, but at Athletic Club the gap between members and the public is wider than most because the ground is full almost every week.
Inside the Club's Own Sale: Monday Mornings, Per-Sale Limits and 30 to 240 Euros

The club sells online through its own ticket site and app, at the San Mamés ticket office and by email for groups of nine or more. Registration is free, the ticket arrives by email as a digital pass you show on your phone, and the club warns that high-demand matches run a virtual queue in which refreshing the page loses your place. What the club does not do is publish a season-long sale calendar: each match gets its own notice, usually a week or two before the windows open, and the pattern below is drawn from those notices.
| Match at San Mamés | Club Athletic window | General sale opened | Days before kick-off | Limits and notes |
|---|---|---|---|---|
| Athletic Club vs Manchester United, Europa League semi-final, 1 May 2025 | Club Athletic from 26 April | Monday 28 April at 13:30 CEST | 3 | Up to four tickets per transaction; the club warned that resale could carry fines of up to 30,000 euros |
| Athletic Club vs Espanyol, 22 December 2025 | Thursday 27 November to Monday 1 December at 10:30 | Monday 1 December at 10:30 CET | 21 | Up to four tickets per transaction; two per Club Athletic card in the presale |
| Athletic Club vs Real Sociedad, Copa del Rey semi-final first leg, 11 February 2026 | Until Saturday 7 February at 16:00 | Saturday 7 February at 16:00 CET | 4 | Two per Club Athletic card; a cup tie confirmed late, so the sale opened on a Saturday afternoon rather than a Monday morning |
| Athletic Club vs Valencia, 10 May 2026 | Before 20 April | Monday 20 April at 10:30 CEST | 20 | 30-euro promotional seats in the upper north stand and south stand open to the public once the presale ended |
| Athletic Club vs Celta, 17 May 2026 | From 23 April | Monday 27 April at 10:30 CEST | 20 | Same 30-euro promotion for the final home match of 2025/26 |
Two things stand out. The first is the Monday 10:30 opening for league matches, which is a pattern rather than a rule, and it is Spanish time: in winter (CET) that is 09:30 in London, 12:30 in Riyadh and 13:30 in Dubai, and in summer (CEST) 09:30 in London, 11:30 in Riyadh and 12:30 in Dubai. Purchase limits are set sale by sale too: the Manchester United and Espanyol notices allowed four tickets per transaction, while some 2026 notices specify four per person, so read the limit on the notice for the match you want. The second is the gap: general sale sits about three weeks before a league match, which is later than most visitors book flights and hotels. Cup and European ties are tighter still and do not keep to Mondays. The Copa del Rey semi-final against Real Sociedad in February 2026 went on general sale on a Saturday at 16:00, four days before kick-off, and for Manchester United in 2025 the club opened to the public three days before the game. For 2026/27 there is no European football at San Mamés, so the calendar is league and cup only, and the club's own notice for each match is the only reliable source for its windows.
On price, the club's own San Mamés buying guide says general admission tickets usually run from 30 to 240 euros depending on the opponent and the area. The 30-euro end is real: the club sold seats at that price in the upper north stand and both tiers of the south stand for its last three home matches of 2025/26, against Osasuna, Valencia and Celta, and the general public could buy them once the presale closed. The 240-euro end belongs to the main stand for the headline visitors. Reduced-price child tickets exist for under-14s, and the club has warned that staff may ask for a DNI (the Spanish identity card) or a Libro de Familia (the family record book) and that anyone aged 14 or over on a child ticket will be refused. Supporters with reduced mobility can request up to four tickets covering themselves and companions, sold only at the San Mamés ticket office on presentation of the original certificate and ID.
The ticket office is the one route that still works without a screen. Opening hours vary by match and the club publishes them in each matchday guide, typically a morning session plus a window in the hours before kick-off, and it sells whatever the system still holds at face value. Treat it as a low-price, high-risk option: for Osasuna in May there may be seats, for Barcelona in February there may be none, and queuing early does not change what the system holds.
The Three Matches That Break the System: Real Madrid, Barcelona and the Derby

San Mamés holds 53,331 and was averaging 47,772 in the league as of 4 November 2026 according to the attendance statistics published by worldfootball.net, so there is spare room most weeks. Demand is especially high for the three matches every socio keeps, but public tickets may still become available. The club's own Club Athletic terms single them out: Premium priority applies to European and Copa del Rey ties and to the visits of Real Madrid, Barcelona and Real Sociedad, and the Premium 30-euro voucher excludes exactly those three opponents. When the club itself prices a benefit around three games, that tells you where the general sale will be thinnest.
| Match at San Mamés | Date (as listed 4 Nov 2026) | What happened at the last comparable sale | Realistic non-member route |
|---|---|---|---|
| Athletic Club vs Real Madrid | Sunday 6 December 2026, kick-off to be confirmed by LaLiga | Premium priority window, then Club Athletic, then a public window whose size depends on socio releases; the club opened its seat-release scheme for this match first, in December 2021 | Marketplace listing, or Club Athletic Premium bought well before the presale |
| Athletic Club vs Barcelona | Sunday 28 February 2027, kick-off to be confirmed | For the May 2025 meeting the club ran general sale on Monday 5 May at 10:30 with four tickets per person | Marketplace listing, or Premium presale |
| Athletic Club vs Real Sociedad (Basque derby) | Played Sunday 1 November 2026 at San Mamés | Premium priority window, then Club Athletic, then general sale from 12 October 2026 according to the club; Real Sociedad's away allocation was named and non-transferable | Club general sale (high demand, not assured) or a marketplace listing; the return at Anoeta on 2 May 2027 is Real Sociedad's home sale, with Athletic Club holding only an away allocation |
| Athletic Club vs Real Betis | Sunday 20 December 2026 | No sale notice published as of 4 November; the club's league pattern is a Club Athletic window followed by general sale about three weeks out | Club general sale, with a marketplace listing as the fallback |
For Athletic Bilbao vs Real Madrid tickets on 6 December the club has not published its sale notice as of 4 November. Demand is high, Premium members go first and public availability is not assured, so anyone outside the Premium tier should have a second route ready. The same applies to Athletic Bilbao vs Barcelona tickets on 28 February, where the club's last general sale for this match opened at 10:30 on a Monday and Barcelona's following from outside Spain competes for the same small float of released seats. Supporters of the visiting clubs should read the away-fan rules below before buying anything in a home stand, and can compare the reverse matches on Real Madrid tickets and Barcelona tickets.
The derby is its own case. Athletic Club and Real Sociedad met in a Copa del Rey semi-final in 2026, which Real Sociedad went on to win, and Athletic Club won the league meeting at San Mamés on 1 November 2026 2-1, with Iñaki Williams and an Álex Berenguer penalty either side of a Real Sociedad equaliser, in front of 50,092 according to the EFE match report, 3,239 below the 53,331 capacity rather than a sell-out. The return on 2 May 2027 is a different sale altogether. Anoeta is Real Sociedad's ground, so its home stands are sold by Real Sociedad to its own socios, RS Fan card holders and public, and Athletic Club receives only a visiting allocation that it distributes through its own channels; the Real Sociedad vs Athletic Bilbao tickets listing covers that match, and the San Sebastián home programme sits under Real Sociedad tickets. Cup ties at San Mamés follow the same ladder as league matches. Home Copa del Rey tickets go to socios, then Premium, then Club Athletic, then the public. A Copa final is different again: the allocation varies by final, socios normally receive the main share by ballot, and in 2024 the club also ran a Club Athletic ballot for 300 final tickets, with members who won a ticket and resold it sanctioned afterwards. The Betis match on 20 December is not one of the three headline dates, so the Athletic Bilbao vs Real Betis tickets general sale is worth trying first, with the usual caveat that availability depends on releases.
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Where to Sit at San Mamés, Where Away Fans Go and What Hospitality Costs

San Mamés is a three-tier bowl with no running track and a roof over every seat, opened in September 2013 on the site next to the old ground. The club's own guide splits it simply: the main stand (Tribuna Principal) for the clearest view, the north and south ends for noise and the east side for a balance of the two. The bowl has three rings, and the middle ring carries the VIP seats and boxes. Block numbers follow the ring, so check the club's seating map for the tier before you judge a listing by its number. The full block map sits on the San Mamés seating plan, and the stadium's transport, entry and tour detail on San Mamés tickets.
- The Herri Harmaila (the club-run singing section) sits in the Tribuna Norte Baja, the lower tier of the north stand, and is the loudest part of the ground. Separately, the club's Club Athletic information advertises special-price singing-section tickets in the lower south stand, available to card holders 48 hours before kick-off if seats remain, one per card.
- The 30-euro promotions of spring 2026 were in the upper north stand and the south stand, so the ends are where the lowest-priced public seats appear.
- The main stand upper tier gives the television angle at a lower price than the middle ring; the 240-euro top of the club's range is the main stand for the headline matches.
- Visiting supporters sit in the upper tier of the south-east corner, kept apart from the home blocks; for European ties the allocation is 5% of capacity, just over 2,500, according to Football Ground Guide.
The away rules matter for anyone following Real Madrid, Barcelona or Real Sociedad to Bilbao. Spanish regulations on away support mean the visiting club's allocation is sold only through that club, in a separated zone, and Athletic Club's ticket conditions reserve the right to refuse entry to visiting fans holding tickets bought through any other channel. Real Sociedad issued named, non-transferable tickets for the derby, and for Arsenal's Champions League visit in September 2025 the London club told its fans that every ticket would be checked against the holder's identity at the turnstile. Home-stand tickets are tied to the buyer's account rather than printed with a passport number, and the club does not run a routine ID check at general-sale gates, but rival colours in a home block are a reason for stewards to act. The safe reading is simple: if you support the visiting side, buy through the visiting side.
Hospitality is the one route the club sells to anyone with the budget. The San Mamés VIP Area covers about 6,000 square metres of the middle ring with 2,030 seats, 508 of them in boxes and 1,522 as VIP stadium seats, with catering from a group of Bizkaia chefs holding 12 Michelin stars between them, a total the club announced in April 2026. The products are The Lion Experience, Players Zone VIP (pitchside seats beside the benches with access to the warm-up), the Executive Club, private SkyBoxes, a pre-match VIP tour and VIP season tickets sold individually in the first two rows of the ring, which the club presents as the alternative to the socio waiting list. The club does not list VIP match prices on those pages; it releases them match by match, and demand for VIP is close to its ceiling according to president Uriarte at the October 2026 assembly, so a hospitality seat for the Real Madrid game is a question for the club's VIP team now rather than in December.
Buying From a Marketplace in the Basque Country: Rules, Risks and the Guarantee

Spain has no national law on online ticket resale, but the Basque Country regulates it, and Bilbao sits inside that regime just as San Sebastián does. Article 17.1.d of Ley 10/2015 on public entertainment prohibits resale with a surcharge, unauthorised commissioned sales and concealed sales of tickets, and allows tickets to be withdrawn as a precautionary measure. The regulation that implements it, Decreto 17/2019, sets two separate rules: resale between private individuals may only be made at no more than the price set for the ticket (article 45.4), and a surcharge of up to 20% is permitted only on commissioned sales that the licensing authority has approved in advance (article 46.2). Athletic Club has leaned on this law in public. Its notice of 29 April 2025 said resale was prohibited, quoted the same Ley 10/2015 and a fine range of 1,201 to 30,000 euros, and confirmed that several socios had been sanctioned by the club's own disciplinary bodies for reselling 2023/24 Copa del Rey final tickets. Street sellers outside the ground and classified adverts offering a socio's app transfer for cash are the riskiest options of all, and a marketplace guarantee is a protection on the order, not a statement that a particular listing meets Basque rules.
A marketplace serves a narrow purpose at a club that fills its ground most weeks: it answers the date problem. For Real Madrid on 6 December and Barcelona on 28 February, Athletic Club's public sale may have nothing by the time a visitor from Manchester or Abu Dhabi has booked a flight, and for the derby return at Anoeta in May the home sale belongs to Real Sociedad and its own members, so an Athletic supporter has only the away allocation to aim for. That is where a seller's listing fills the gap. On 1BoxOffice the listing is a seller's seat and the price is the seller's, which can be above face value. Under the site terms, the 150% money-back guarantee applies to non-delivery: if the tickets are not received and no alternative is offered, the buyer receives a full refund, and a goodwill credit voucher worth 50% of the order value, excluding service fees and taxes and capped at 125 pounds, may also be issued. A ticket found invalid at the gate is handled differently, with a refund of its face value excluding service fees after verification, and no refund or compensation applies if a venue refuses entry to a valid ticket. Any entry problem must be reported to 1BoxOffice immediately, and no later than 20 minutes after the event starts, or the claim is not accepted. Treat a marketplace price as a premium for availability on a date, not as a cheaper alternative to the club. The wider rules are set out in our La Liga tickets without membership guide, the same Basque law is applied to Anoeta in the Real Sociedad tickets without membership guide, and the Andalusian version of the resale rules is covered in the Real Betis guide.
| Route | Open to non-members | Typical cost (as of 4 Nov 2026) | Delivery | Risk level |
|---|---|---|---|---|
| Club general sale (club ticket site and app) | Yes, after the socio and Club Athletic windows | 30 to 240 euros per the club's guide; 30-euro end promotions in spring 2026 | Digital pass emailed by the club | Low price risk; high availability risk for the three headline matches |
| San Mamés ticket office on matchday | Yes | Face value | Issued at the window; hours vary by match and are published in the club's matchday guide | Low price risk; very high availability risk |
| Club Athletic (50 euros) or Premium (89 euros) | Yes, the club's pages set no residency rule | Card fee plus face value; Premium 30-euro voucher excludes Real Madrid, Barcelona and Real Sociedad | Club channels | Low; presale allocation still depends on socio releases |
| Club hospitality (San Mamés VIP Area) | Yes | Priced per match by the club, not published on its pages | Club channels | Low; demand near its ceiling per the club |
| 1BoxOffice marketplace | Yes | Seller-set; can be above face value | Per listing, tracked through the order page | 150% guarantee for non-delivery; face-value refund for an invalid ticket; entry problems must be reported within 20 minutes of the start |
| Street sellers and classified app transfers | Yes | Unregulated | Paper, screenshots or an app transfer for cash | High; surcharge resale is banned under Ley 10/2015 and the club has sanctioned sellers |
From Listing to Turnstile: How a Marketplace Order Works

The order flow is the same for a December league match and a May derby. What changes is how long the stock lasts, and for the Real Madrid and Barcelona visits that window is short. Six steps cover it.
Step1
Pick the match and confirm the date
Open the Athletic Club home match you want and compare listings by stand and price. Check the date against the club's own calendar before paying, because LaLiga confirms kick-off times only a few weeks ahead and a Sunday match can move to a Saturday or a Monday once the broadcast slot is fixed.
Step2
Create your account
Start by registering with 1BoxOffice so your order, delivery details and any seller messages sit in one place, using the email address you will check on the day of the match.
Step3
Read the stand and delivery notes
Check that the listing names a home stand rather than the south-east away corner, note the tier from the block number and read how the seller will deliver. Club tickets are digital, so a listing that cannot explain its delivery method is one to skip, and a listing in another person's name is a risk for any match where the club or the visiting club has announced ID checks.
Step4
Compare the full price with the club's
The checkout shows the total including fees before you confirm. Set it against the club's own price for the same match where the club has opened its sale, or against the 30-to-240-euro range in this guide where it has not, and decide whether certainty on that date is worth the gap.
Step5
Pay through the secure checkout
Payment runs over an encrypted connection, and once the order is confirmed it is covered by the 150% money-back guarantee against non-delivery. Keep the confirmation email; it is your reference if anything needs chasing.
Step6
Track delivery and arrive with time to spare
Follow the order on Track Order, since many sellers release digital tickets in the days before the match, and if anything is unclear contact customer service before you travel rather than at the turnstile. If there is a problem at the gate, report it to 1BoxOffice at once and within 20 minutes of kick-off, because later reports fall outside the guarantee. Have the ticket open on your phone with the brightness up, and be inside the ground before the turnstile queues build in the last half hour.
Matchday Practicalities for Visitors

San Mamés has its own metro station, San Mamés, served by both metro lines, the tram and commuter rail, and it sits across from the Termibus bus station. From the Casco Viejo the metro takes about ten minutes, and walking along the river from the Guggenheim takes around 25. The pre-match ritual is in the Pozas district a few streets away, where the bars fill from the early afternoon for an evening game, and the club's own guide tells first-time visitors to arrive early for exactly that reason. The club's digital pass is scanned at the gate, so have it open before you reach the turnstile.
- Bring the ticket on your phone; the club issues digital passes by email and does not expect printed tickets, though a printed copy is accepted.
- Carry photo ID. Home general-sale tickets are not routinely checked against a name, but child tickets, accessible tickets and any away allocation can be, and a passport settles it in seconds.
- Leave rival colours at the hotel if you are sitting in a home block; the away corner is the only place for them.
- Check the kick-off time in the week of the match. LaLiga fixes broadcast slots late, and the Real Madrid game on 6 December is listed with different kick-off times by different outlets as of 4 November.
- If there is no match, the AC Museoa and the stadium tour run most days from the club's ticket site, closing five hours before a LaLiga kick-off, and Club Athletic members get a discount.
Flying in from the Gulf, Bilbao has no non-stop service from Dubai, Abu Dhabi or Riyadh, so plan a connection through Madrid, Paris, Frankfurt or Istanbul and give yourself a day's margin for the match. From the UK, direct flights run from London, and a Sunday evening kick-off suits a weekend in the city with Monday travel home.
FAQs
1. Can tourists buy Athletic Club tickets?
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Tourists can register free on the club's ticket site and buy at general sale, which most often opens at 10:30 on a Monday about three weeks before a league match, with a purchase limit the club sets per sale, typically four tickets per transaction or per person.
2. Can I buy a ticket at San Mamés on the day of the match?
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Matchday sales happen only if seats remain, at the ticket office during the hours the club publishes in each matchday guide, so it can work for mid-table opponents and rarely does for Real Madrid, Barcelona or the derby.
3. Is Athletic Club the same as Athletic Bilbao?
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Athletic Club is the club's registered name and the one it uses on its own ticket site, while Athletic Bilbao is the English-language name most foreign supporters search for, and both refer to the same team at San Mamés.
4. How do I join the Athletic Club socio waiting list?
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Applications go through the Member Services Office next to the AC Museoa at San Mamés or the socio section of the club website, are admitted in order of receipt, with separate priority provisions for applicants proposed by socios of more than 25 years' standing and for Club Athletic card holders, and joined a queue of more than 11,000 names in 2026.
5. Are Athletic Club tickets checked against ID at the gate?
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Home general-sale tickets are tied to the buyer's online account rather than checked against a passport at the turnstile, but child tickets, accessible tickets and visiting-club allocations are ID-checked, and the club reserves the right to refuse visiting fans who bought outside their own club's allocation.
Athletic Club's general sale is the right first stop for most of the 19 home league matches, and the Club Athletic cards are worth the 50 or 89 euros for anyone planning more than one trip. For the three dates the socios keep, 1BoxOffice lists seats from independent sellers for the whole 2026/27 home programme, with the price shown in full before you pay and every order backed by the 150% money-back guarantee against non-delivery.
Sources: Athletic Club ticketing, Club Athletic, matchday guide and San Mamés VIP Area pages, Athletic Club sale notices for the Manchester United, Espanyol, Valencia and Celta matches, Real Sociedad ticketing notices, LaLiga, El Gol Digital, Bilbao Hiria, Deia, Radio Nervión, EstadiosDB, Football Ground Guide, worldfootball.net, Sport Witness, EFE, Boletín Oficial del Estado (Ley 10/2015), Boletín Oficial del País Vasco (Decreto 17/2019).



