Cheapest return flights from Seoul to Keflavik in October from $862

Best time to book flights for Seoul (ICN) to Keflavik (KEF) flights at AirHint

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

Return flights

20 Oct - 29 Oct Finnair
15 Oct - 24 Oct Finnair
20 Oct - 26 Oct Finnair
31 Oct - 07 Nov Finnair
14 Oct - 21 Oct Finnair
19 Oct - 26 Oct Finnair
19 Oct - 27 Oct Finnair
10 Oct - 24 Oct Finnair
08 Oct - 17 Oct Finnair
06 Oct - 15 Oct Finnair
07 Oct - 17 Oct Finnair

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

Skyscanner

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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