AirHint found the following cheapest return flights from Biarritz-bayonne (BIQ) to Basel (BSL) in July 2025 (see full year).

Return flights

30 Jul - 06 Aug	easyJet	direct
09 Jul - 16 Jul	easyJet	direct
29 Jul - 12 Aug	KLM
30 Jul - 13 Aug	easyJet
30 Jul - 13 Aug	easyJet	direct
28 Jul - 11 Aug	Ryanair
23 Jul - 26 Jul	easyJet
23 Jul - 26 Jul	easyJet	direct
19 Jul - 23 Jul	KLM
19 Jul - 23 Jul	easyJet	direct
10 Jul - 11 Jul	Ryanair
24 Jul - 27 Jul	KLM
26 Jul - 28 Jul	easyJet

Also check the deals for one-way flights from Biarritz-bayonne to Basel in July.

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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Cheapest return flights from Biarritz-bayonne to Basel in July from 199€

Return flights