AirHint found the following cheapest return flights from Biarritz-bayonne (BIQ) to Basel (BSL) in January 2026 (see full year).
Return flights
| 10 Jan - 11 Jan | KLM | ||
| 10 Jan - 12 Jan | KLM | ||
| 15 Jan - 18 Jan | Air France | ||
| 02 Jan - 09 Jan | Ryanair |
Also check the deals for one-way flights from Biarritz-bayonne to Basel in January.
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