Cheapest return flights from Frankfurt to Keflavik in September from $308

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

Return flights

03 Sep - 15 Sep Scandinavian Airlines
03 Sep - 12 Sep Scandinavian Airlines
10 Sep - 17 Sep Scandinavian Airlines
03 Sep - 13 Sep Scandinavian Airlines
04 Sep - 12 Sep Scandinavian Airlines
04 Sep - 15 Sep Scandinavian Airlines
01 Sep - 11 Sep Scandinavian Airlines
18 Sep - 28 Sep Lufthansa direct
04 Sep - 14 Sep Lufthansa direct
04 Sep - 15 Sep Lufthansa direct
30 Sep - 05 Oct Scandinavian Airlines
29 Sep - 06 Oct Icelandair direct
30 Sep - 05 Oct Icelandair direct
29 Sep - 05 Oct LOT
24 Sep - 01 Oct Scandinavian Airlines
14 Sep - 02 Oct Lufthansa
29 Sep - 05 Oct Icelandair direct
22 Sep - 03 Oct Lufthansa
30 Sep - 04 Oct Scandinavian Airlines
24 Sep - 01 Oct Icelandair direct

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

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