Cheapest return flights from Seoul to Keflavik in September from 700€

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

Return flights

03 Sep - 14 Sep Lufthansa
01 Sep - 07 Sep Lufthansa
10 Sep - 22 Sep Lufthansa
11 Sep - 22 Sep Lufthansa
12 Sep - 20 Sep Finnair
03 Sep - 09 Sep Scandinavian Airlines
30 Sep - 09 Oct Finnair
11 Sep - 20 Sep Lufthansa
30 Sep - 10 Oct Finnair
11 Sep - 21 Sep Lufthansa
17 Sep - 27 Sep Lufthansa
17 Sep - 29 Sep Lufthansa
24 Sep - 03 Oct Scandinavian Airlines
23 Sep - 04 Oct Scandinavian Airlines
23 Sep - 11 Oct Scandinavian Airlines
24 Sep - 11 Oct Scandinavian Airlines
29 Sep - 06 Oct Scandinavian Airlines
22 Sep - 09 Oct Scandinavian Airlines
26 Sep - 09 Oct Scandinavian Airlines
22 Sep - 12 Oct Scandinavian Airlines

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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