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

Return flights

03 Jul - 14 Jul	Scandinavian Airlines
13 Jul - 27 Jul	Scandinavian Airlines
16 Jul - 24 Jul	Scandinavian Airlines
11 Jul - 28 Jul	Scandinavian Airlines
17 Jul - 24 Jul	Scandinavian Airlines
18 Jul - 24 Jul	Scandinavian Airlines
24 Jul - 27 Jul	Scandinavian Airlines
25 Jul - 27 Jul	Scandinavian Airlines
06 Jul - 15 Jul	Scandinavian Airlines
08 Jul - 17 Jul	Scandinavian Airlines

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

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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Cheapest return flights from Seoul to Keflavik in July from $870

Return flights