Cheapest return flights from Seoul to Keflavik in October from $685

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

Return flights

29 Oct - 09 Nov Scandinavian Airlines
15 Oct - 25 Oct Scandinavian Airlines
17 Oct - 30 Oct Finnair
03 Oct - 11 Oct Finnair
16 Oct - 22 Oct Finnair
06 Oct - 12 Oct Scandinavian Airlines
18 Oct - 25 Oct LOT
31 Oct - 12 Nov Finnair
09 Oct - 22 Oct Finnair
16 Oct - 28 Oct Scandinavian Airlines
19 Oct - 22 Oct Scandinavian Airlines
01 Oct - 12 Oct Scandinavian Airlines
25 Oct - 07 Nov Finnair
31 Oct - 04 Nov Finnair

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

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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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