Cheapest return flights from Frankfurt to Keflavik in September from 236€

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

Return flights

01 Sep - 10 Sep Scandinavian Airlines
14 Sep - 29 Sep Scandinavian Airlines
20 Sep - 29 Sep Lufthansa direct
24 Sep - 30 Sep LOT
05 Sep - 17 Sep Ryanair
20 Sep - 26 Sep Lufthansa direct
15 Sep - 28 Sep LOT
17 Sep - 28 Sep Scandinavian Airlines
13 Sep - 19 Sep LOT
12 Sep - 18 Sep LOT
26 Sep - 05 Oct LOT
30 Sep - 08 Oct Lufthansa direct
30 Sep - 10 Oct LOT
18 Sep - 08 Oct Lufthansa direct
26 Sep - 04 Oct LOT
22 Sep - 03 Oct LOT
28 Sep - 03 Oct Lufthansa direct
10 Sep - 01 Oct Lufthansa
27 Sep - 15 Oct easyJet
29 Sep - 07 Oct Lufthansa

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

Powered by

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik

Feel free to contact us with any feedback or request another flight research.