Cheapest return flights from Barcelona to Keflavik in September from $211

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

Return flights

22 Sep - 29 Sep easyJet
24 Sep - 01 Oct easyJet
12 Sep - 23 Sep Vueling Airlines
23 Sep - 30 Sep Wizz Air Malta
15 Sep - 22 Sep Wizz Air Malta
14 Sep - 24 Sep easyJet
16 Sep - 23 Sep Wizz Air Malta
16 Sep - 26 Sep easyJet
11 Sep - 18 Sep Wizz Air Malta
07 Sep - 16 Sep Vueling Airlines
25 Sep - 02 Oct Transavia France
25 Sep - 03 Oct Transavia France
02 Sep - 05 Sep Scandinavian Airlines
25 Sep - 10 Oct Transavia France
25 Sep - 03 Oct Icelandair direct
25 Sep - 02 Oct Icelandair direct

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

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