Cheapest return BCN–KEF flights, September

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

Return flights

09 Sep - 21 Sep Wizz Air Malta
13 Sep - 21 Sep Ryanair
02 Sep - 15 Sep Ryanair
12 Sep - 22 Sep Wizz Air Malta
01 Sep - 15 Sep Vueling Airlines
12 Sep - 20 Sep Wizz Air Malta
28 Sep - 12 Oct Wizz Air Malta
12 Sep - 26 Sep Wizz Air Malta
09 Sep - 20 Sep Wizz Air Malta
15 Sep - 21 Sep Wizz Air UK
08 Sep - 15 Sep Vueling Airlines
15 Sep - 02 Oct Vueling Airlines
22 Sep - 02 Oct Wizz Air UK
23 Sep - 04 Oct Wizz Air Malta
28 Sep - 05 Oct Wizz Air Malta
19 Sep - 05 Oct Ryanair
28 Sep - 09 Oct Wizz Air Malta
26 Sep - 02 Oct Wizz Air UK
30 Sep - 07 Oct easyJet
24 Sep - 04 Oct Wizz Air

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

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