Cheapest return flights from Bilbao to Basel in September from $86

AirHint found the following cheapest return flights from Bilbao (BIO) to Basel (BSL) in September 2025 (see full year).

Return flights

16 Sep - 23 Sep easyJet direct
30 Sep - 07 Oct easyJet direct
09 Sep - 16 Sep easyJet direct
24 Sep - 14 Oct Vueling Airlines
23 Sep - 26 Sep Air Europa
24 Sep - 30 Sep Vueling Airlines
26 Sep - 30 Sep easyJet direct
23 Sep - 30 Sep Air Europa
05 Sep - 09 Sep easyJet direct
24 Sep - 13 Oct Vueling Airlines
02 Sep - 09 Sep easyJet direct
29 Sep - 05 Oct Vueling Airlines
30 Sep - 03 Oct easyJet direct
23 Sep - 26 Sep easyJet direct
29 Sep - 14 Oct Vueling Airlines
16 Sep - 19 Sep easyJet direct
29 Sep - 13 Oct Vueling Airlines
26 Sep - 14 Oct Vueling Airlines
23 Sep - 03 Oct Vueling Airlines
29 Sep - 16 Oct Vueling Airlines

Also check the deals for one-way flights from Bilbao to Basel in September.

Skyscanner

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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