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

30 Sep - 07 Oct easyJet
23 Sep - 04 Oct Vueling Airlines
16 Sep - 22 Sep easyJet
23 Sep - 03 Oct Wizz Air Malta
23 Sep - 30 Sep Wizz Air Malta
09 Sep - 22 Sep Vueling Airlines
06 Sep - 24 Sep Ryanair
03 Sep - 13 Sep Wizz Air Malta
26 Sep - 04 Oct Ryanair
12 Sep - 20 Sep Ryanair
30 Sep - 09 Oct Vueling Airlines
15 Sep - 20 Sep Vueling Airlines
19 Sep - 21 Sep Wizz Air Malta
29 Sep - 09 Oct Vueling Airlines
22 Sep - 01 Oct Wizz Air Malta
26 Sep - 12 Oct Ryanair
22 Sep - 03 Oct Wizz Air Malta
08 Sep - 20 Sep Vueling Airlines
11 Sep - 22 Sep Vueling Airlines
25 Sep - 11 Oct Ryanair

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

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