Cheapest return flights from Biarritz-bayonne to Basel in September from $76
AirHint found the following cheapest return flights from Biarritz-bayonne (BIQ) to Basel (BSL) in September 2025 (see full year).
Return flights
| 17 Sep - 24 Sep | easyJet | direct | |
| 06 Sep - 13 Sep | Lufthansa | ||
| 06 Sep - 13 Sep | easyJet | direct |
Also check the deals for one-way flights from Biarritz-bayonne to Basel in September.
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.
