Cheapest return flights from Seoul to Keflavik in September from $1033

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 September 2025 (see full year).

Return flights

01 Sep - 04 Sep Qatar Airways
20 Sep - 28 Sep LOT
22 Sep - 28 Sep Finnair
27 Sep - 04 Oct MIAT Mongolian Airlines
15 Sep - 25 Sep Finnair
10 Sep - 17 Sep Finnair
13 Sep - 19 Sep LOT
14 Sep - 23 Sep Vietnam Airlines
14 Sep - 24 Sep Finnair
19 Sep - 29 Sep Emirates
26 Sep - 11 Oct Singapore Airlines
12 Sep - 20 Sep Singapore Airlines
19 Sep - 06 Oct Qatar Airways
30 Sep - 06 Oct Qatar Airways
28 Sep - 05 Oct Finnair
27 Sep - 06 Oct Qatar Airways
29 Sep - 07 Oct Air Canada
30 Sep - 05 Oct LOT
29 Sep - 11 Oct Singapore Airlines
29 Sep - 14 Oct Singapore Airlines

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

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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