Cheapest return flights from Zurich to Bilbao in September from $151

Best time to book flights for Zurich (ZRH) to Bilbao (BIO) flights at AirHint

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

Return flights

10 Sep - 14 Sep easyJet
23 Sep - 02 Oct Vueling Airlines
24 Sep - 02 Oct Vueling Airlines
23 Sep - 03 Oct easyJet
15 Sep - 18 Sep Vueling Airlines
15 Sep - 02 Oct Vueling Airlines
24 Sep - 03 Oct Vueling Airlines
15 Sep - 16 Sep Vueling Airlines
07 Sep - 18 Sep Vueling Airlines
23 Sep - 27 Sep Vueling Airlines
24 Sep - 27 Sep Vueling Airlines
07 Sep - 16 Sep Vueling Airlines
23 Sep - 01 Oct Vueling Airlines
21 Sep - 02 Oct Vueling Airlines
19 Sep - 02 Oct Vueling Airlines
23 Sep - 29 Sep Vueling Airlines
24 Sep - 29 Sep Vueling Airlines
15 Sep - 03 Oct Vueling Airlines
08 Sep - 18 Sep Vueling Airlines
23 Sep - 06 Oct Vueling Airlines

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

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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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