Cheapest return flights from Athens to Keflavik in September from 228€

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

Return flights

30 Sep - 05 Oct easyJet
23 Sep - 30 Sep easyJet
19 Sep - 24 Sep easyJet
12 Sep - 20 Sep SKY express
26 Sep - 03 Oct SKY express
17 Sep - 20 Sep easyJet
10 Sep - 21 Sep easyJet
15 Sep - 27 Sep easyJet
11 Sep - 22 Sep Scandinavian Airlines
11 Sep - 16 Sep easyJet
05 Sep - 12 Sep Scandinavian Airlines
23 Sep - 07 Oct Vueling Airlines
02 Sep - 16 Sep Vueling Airlines

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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