Cheapest return flights from Bilbao to Keflavik in September from 226€

AirHint found the following cheapest return flights from Bilbao (BIO) to Keflavik (KEF) in September 2026 (see full year).

Return flights

15 Sep - 28 Sep Wizz Air UK
08 Sep - 22 Sep Wizz Air UK
28 Sep - 08 Oct Wizz Air UK
12 Sep - 20 Sep Wizz Air UK
28 Sep - 07 Oct Wizz Air Malta
08 Sep - 16 Sep Wizz Air UK
28 Sep - 09 Oct Wizz Air UK
11 Sep - 20 Sep Air Europa
05 Sep - 16 Sep Wizz Air UK
18 Sep - 02 Oct Wizz Air UK
07 Sep - 16 Sep Vueling Airlines
14 Sep - 27 Sep Lufthansa

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

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