AirHint found the following cheapest one-way flights from San Sebastian (EAS) to Brussels (BRU) in December 2025 (see full year).
One-Way flights
| 20 Dec | Iberia | ||
| 16 Dec | Vueling Airlines | ||
| 02 Dec | Iberia | ||
| 11 Dec | Iberia | ||
| 13 Dec | Vueling Airlines | ||
| 19 Dec | Volotea | ||
| 31 Dec | Iberia | ||
| 01 Dec | Iberia | ||
| 25 Dec | Vueling Airlines | ||
| 26 Dec | Iberia |
Also check the deals for return flights from San Sebastian to Brussels in December.
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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.
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