How to get from Brussels to Donostia / San Sebastián
For a fast trip, flying via Bilbao is best, while the train offers a scenic, multi-leg journey. Budget-conscious travelers can opt for the direct coach, or drive for maximum flexibility.
964 km apart as the crow flies.
| Option | Duration | Typical price | How often |
|---|---|---|---|
| FlyBrussels Airlines, Vueling, Ryanair · Brussels Airport (BRU) or Brussels South Charleroi Airport (CRL) → Bilbao Airport (BIO), then bus to Donostia / San Sebastián bus stationThe quickest way if you value speed, combining a flight to Bilbao with a short bus transfer to Donostia / San Sebastián. | 4 h 30 – 7 h | €80–€250per person | Multiple direct flights daily to Bilbao, with frequent bus connections to Donostia / San Sebastián. |
| TrainEurostar, SNCF, Euskotren · Brussels-Midi (Bruxelles-Midi) → Hendaye (France), then local train to Amara-Donostia (San Sebastián)A comfortable and often scenic, but multi-leg, journey that's faster than the bus and avoids airport hassle. | 7 h 30 – 9 h | €100–€450per person | Frequent high-speed trains from Brussels to Paris, multiple daily connections to Hendaye, and frequent local trains from Hendaye to Donostia / San Sebastián. |
| BusFlixBus, BlaBlaCar Bus, ALSA · Brussels, Brussels South (Gare du Midi) or Brussels-North train station → Donostia-San Sebastián, Estación de AutobusesThe most budget-friendly option, offering direct services for those not in a hurry. | 14 h – 17 h | €40–€180per person | Several departures daily in each direction, including overnight options. |
| DriveOffers the most flexibility for exploring at your own pace, especially if traveling with others or a lot of luggage. | 12 h – 15 h | €180–€300per car | At your leisure |
Watch out · Fly
Factor in transfer time from Brussels city to the airport, and from Bilbao Airport to Donostia / San Sebastián. Baggage fees are common with low-cost carriers.
Watch out · Train
This journey involves at least two changes, typically in Paris (between Gare du Nord and Montparnasse) and at Hendaye on the French-Spanish border.
Watch out · Bus
This is a very long journey, often taking over 14 hours. Consider an overnight service to save on accommodation.
Watch out · Drive
Driving time is significant at over 12 hours, not including stops. Tolls across France and Spain will add a substantial cost to the fuel expense.
Typical figures for this route, not live fares. · Updated September 1, 2026