Cheapest return flights from Seoul to Keflavik in October from $816

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

12 Oct - 20 Oct LOT
21 Oct - 31 Oct LOT
08 Oct - 20 Oct Finnair
08 Oct - 21 Oct Finnair
13 Oct - 23 Oct Finnair
13 Oct - 21 Oct Finnair
10 Oct - 20 Oct Finnair
14 Oct - 23 Oct Finnair
23 Oct - 26 Oct Finnair
09 Oct - 21 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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