Cheapest return flights from Seoul to Keflavik in September from $2348

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

Return flights

11 Sep - 21 Sep EVA Air
26 Sep - 03 Oct Korean Air

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

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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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