Cheapest return flights from San Sebastian to Buenos Aires in December from $1472
AirHint found the following cheapest return flights from San Sebastian (EAS) to Buenos Aires (AEP) in December 2025 (see full year).
Return flights
| 24 Dec - 27 Jan | Iberia | ||
| 21 Dec - 05 Jan | Iberia |
Also check the deals for one-way flights from San Sebastian to Buenos Aires in December.
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.
