Cheapest return flights from Frankfurt to Keflavik in September from $286

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

Return flights

27 Sep - 07 Oct KLM
03 Sep - 15 Sep Scandinavian Airlines
02 Sep - 16 Sep Scandinavian Airlines
15 Sep - 25 Sep Condor
06 Sep - 15 Sep Scandinavian Airlines
06 Sep - 17 Sep Scandinavian Airlines
02 Sep - 17 Sep Scandinavian Airlines
18 Sep - 23 Sep Scandinavian Airlines
26 Sep - 05 Oct LOT
26 Sep - 30 Sep LOT
19 Sep - 26 Sep LOT
18 Sep - 28 Sep LOT
25 Sep - 04 Oct LOT
26 Sep - 04 Oct LOT
26 Sep - 02 Oct LOT
27 Sep - 01 Oct Lufthansa direct
27 Sep - 10 Oct KLM
26 Sep - 03 Oct Lufthansa direct
28 Sep - 10 Oct Air France
26 Sep - 10 Oct Air France

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

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