There are two good airports for San Sebastian. Both of them are served by low-cost airlines such as easyJet, so it’s easy to get a cheap flight.
Biarritz Airport
The closest airport to San Sebastian is in Biarritz, France. The Biarritz Bayonne Airport (BIQ) is a 40-minute drive from San Sebastian. If you don’t hire a car, you can take an airport bus from Biarritz to get there.
Bilbao Airport
The second closest airport to San Sebastian is in Bilbao, Spain. The Bilbao Airport (BIO) is one hour away.
You can take an airport bus or drive from Bilbao to get to San Sebastian.