Cheapest return flights from Seoul to Keflavik in August from $942

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 August 2025 (see full year).

Return flights

19 Aug - 26 Aug Qatar Airways
19 Aug - 29 Aug Qatar Airways
28 Aug - 31 Aug Lufthansa
20 Aug - 06 Sep Qatar Airways
27 Aug - 06 Sep Qatar Airways
23 Aug - 06 Sep Qatar Airways
10 Aug - 20 Aug KLM
22 Aug - 05 Sep Qatar Airways
22 Aug - 07 Sep Qatar Airways
07 Aug - 13 Aug KLM
24 Aug - 05 Sep Qatar Airways
30 Aug - 06 Sep Finnair
02 Aug - 07 Aug KLM
14 Aug - 22 Aug Finnair
13 Aug - 17 Aug Finnair
04 Aug - 09 Aug SWISS
09 Aug - 17 Aug LOT
26 Aug - 16 Sep Air Canada
20 Aug - 02 Sep Air Canada

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

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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