AirHint found the following cheapest return flights from Bilbao (BIO) to Buenos Aires (EZE) in December 2026 (see full year).
Return flights
| 04 Dec - 26 Dec | Turkish Airlines | ||
| 24 Dec - 05 Jan | Lufthansa | ||
| 21 Dec - 09 Jan | Air France | ||
| 18 Dec - 09 Jan | KLM |
Also check the deals for one-way flights from Bilbao to Buenos Aires in December.
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