Cheapest return flights from Seoul to Keflavik in May from 786€

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

Return flights

04 May - 12 May Lufthansa
27 May - 03 Jun Scandinavian Airlines
22 May - 05 Jun Scandinavian Airlines
15 May - 23 May Finnair
01 May - 09 May Finnair
01 May - 23 May Finnair
22 May - 30 May Finnair
04 May - 09 May Finnair
23 May - 06 Jun Finnair
22 May - 31 May Lufthansa
27 May - 29 May Lufthansa
23 May - 30 May Lufthansa

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

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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