Cheapest return flights from Seoul to Keflavik in September from 565€

AirHint found the following cheapest return flights from Seoul (ICN) to Keflavik (KEF) in September 2025 (see full year).

Return flights

20 Sep - 28 Sep Scandinavian Airlines
15 Sep - 28 Sep Scandinavian Airlines
19 Sep - 28 Sep Scandinavian Airlines
19 Sep - 30 Sep Scandinavian Airlines
17 Sep - 30 Sep Scandinavian Airlines
17 Sep - 28 Sep Scandinavian Airlines
20 Sep - 02 Oct Scandinavian Airlines
22 Sep - 02 Oct Scandinavian Airlines
22 Sep - 05 Oct Scandinavian Airlines
15 Sep - 23 Sep Scandinavian Airlines
17 Sep - 25 Sep Scandinavian Airlines
22 Sep - 03 Oct Scandinavian Airlines
15 Sep - 26 Sep Scandinavian Airlines
19 Sep - 26 Sep Scandinavian Airlines
29 Sep - 05 Oct Asiana Airlines
29 Sep - 02 Oct Asiana Airlines
27 Sep - 05 Oct Scandinavian Airlines
29 Sep - 07 Oct Asiana Airlines
27 Sep - 07 Oct Scandinavian Airlines
23 Sep - 03 Oct KLM

Also check the deals for one-way flights from Seoul 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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