AirHint found the following cheapest return flights from Biarritz-bayonne (BIQ) to Basel (BSL) in December 2025 (see full year).
Return flights
| 13 Dec - 16 Dec | KLM | ||
| 25 Dec - 31 Dec | KLM | ||
| 25 Dec - 30 Dec | KLM | ||
| 03 Dec - 08 Dec | Transavia France | ||
| 15 Dec - 21 Dec | KLM |
Also check the deals for one-way flights from Biarritz-bayonne to Basel 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.
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