Cheap flights from Bilbao to San Sebastian
Cheapest current fares: $62 in September 2026 on connecting flights.
Cheapest month-by-month fares
Lowest available fare per calendar month from Bilbao (BIO) to San Sebastian (EAS). Refreshed daily.
Bilbao (BIO) → San Sebastian (EAS)
- September 2026 $62
- December 2026 $88
- August 2026 $236
Frequently asked questions
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What is the cheapest month to fly from Bilbao to San Sebastian?
Based on current 6-month forward fare data, September 2026 is the cheapest month to fly from Bilbao (BIO) to San Sebastian (EAS), with fares starting from $62.
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What is the lowest current fare from BIO to EAS?
The lowest currently-listed fare from Bilbao (BIO) to San Sebastian (EAS) is $62 on 2026-09-15.
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Is there a direct flight from Bilbao to San Sebastian?
There is currently no non-stop service from BIO to EAS. Most travellers connect through a hub airport. See our route page for current stopover options.
Related guides for this route
Sibling pages — full route detail, airport overviews, visa context, per-airline routes.