AirHint found the following cheapest return flights from Biarritz-bayonne (BIQ) to Lyon (LYS) in September 2025 (see full year).

Return flights

08 Sep - 12 Sep	easyJet	direct
12 Sep - 15 Sep	easyJet	direct
25 Sep - 28 Sep	easyJet	direct
18 Sep - 20 Sep	easyJet
13 Sep - 15 Sep	Ryanair
08 Sep - 11 Sep	easyJet	direct
12 Sep - 14 Sep	easyJet	direct
11 Sep - 14 Sep	easyJet	direct
16 Sep - 22 Sep	Ryanair
13 Sep - 14 Sep	Ryanair
15 Sep - 09 Oct	Ryanair
15 Sep - 09 Oct	easyJet	direct
29 Sep - 04 Oct	easyJet
21 Sep - 03 Oct	easyJet
21 Sep - 03 Oct	easyJet	direct

Also check the deals for one-way flights from Biarritz-bayonne to Lyon 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.

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Cheapest return flights from Biarritz-bayonne to Lyon in September from $160

Return flights