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

Return flights

10 Nov - 18 Nov	Scandinavian Airlines
07 Nov - 16 Nov	Scandinavian Airlines
14 Nov - 25 Nov	Scandinavian Airlines
14 Nov - 23 Nov	Scandinavian Airlines
28 Nov - 07 Dec	Scandinavian Airlines
03 Nov - 12 Nov	Finnair
13 Nov - 22 Nov	Finnair
03 Nov - 14 Nov	Finnair
23 Nov - 29 Nov	Finnair
15 Nov - 22 Nov	Finnair
07 Nov - 15 Nov	Finnair

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 648€

Return flights