Cheapest return flights from Athens to Keflavik in September from 218€

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

Return flights

15 Sep - 22 Sep easyJet
24 Sep - 03 Oct easyJet
17 Sep - 26 Sep easyJet
21 Sep - 28 Sep Scandinavian Airlines
09 Sep - 16 Sep Scandinavian Airlines
05 Sep - 13 Sep Scandinavian Airlines
26 Sep - 04 Oct Scandinavian Airlines
24 Sep - 04 Oct Scandinavian Airlines
12 Sep - 20 Sep Scandinavian Airlines
11 Sep - 20 Sep Scandinavian Airlines
04 Sep - 13 Sep Scandinavian Airlines
01 Sep - 10 Sep Scandinavian Airlines
25 Sep - 04 Oct Scandinavian Airlines
01 Sep - 09 Sep Scandinavian Airlines

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

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