AirHint found the following cheapest return flights from Biarritz-bayonne (BIQ) to Barcelona (BCN) in May 2026 (see full year).
Return flights
| 11 May - 15 May | Ryanair | ||
| 28 May - 01 Jun | Ryanair | ||
| 23 May - 25 May | Transavia France | ||
| 25 May - 29 May | easyJet |
Also check the deals for one-way flights from Biarritz-bayonne to Barcelona in May.
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