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

Return flights

26 Nov - 07 Dec	LOT
12 Nov - 23 Nov	LOT
12 Nov - 20 Nov	LOT
04 Nov - 16 Nov	LOT
04 Nov - 13 Nov	LOT
19 Nov - 27 Nov	LOT
04 Nov - 10 Nov	LOT
19 Nov - 23 Nov	LOT
14 Nov - 23 Nov	Scandinavian Airlines
03 Nov - 11 Nov	Scandinavian Airlines
14 Nov - 25 Nov	Scandinavian Airlines
24 Nov - 14 Dec	Scandinavian Airlines
26 Nov - 03 Dec	Finnair
28 Nov - 05 Dec	Finnair
27 Nov - 03 Dec	Finnair
23 Nov - 12 Dec	Finnair
28 Nov - 06 Dec	Finnair
27 Nov - 06 Dec	Finnair
14 Nov - 06 Dec	Finnair
20 Nov - 01 Dec	Asiana Airlines

Also check the deals for one-way flights from Seoul to Keflavik in November.

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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Cheapest return flights from Seoul to Keflavik in November from $614

Return flights