Cheapest return flights from Seoul to Keflavik in September from 833€

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

16 Sep - 23 Sep Qatar Airways
22 Sep - 29 Sep Qatar Airways
10 Sep - 17 Sep Etihad Airways
04 Sep - 12 Sep Qatar Airways
03 Sep - 10 Sep Finnair
01 Sep - 13 Sep Finnair
25 Sep - 14 Oct Singapore Airlines
26 Sep - 11 Oct Singapore Airlines
12 Sep - 21 Sep Singapore Airlines
05 Sep - 12 Sep Singapore Airlines
21 Sep - 28 Sep Singapore Airlines
27 Sep - 05 Oct Finnair
27 Sep - 11 Oct Singapore Airlines
29 Sep - 12 Oct Singapore Airlines
29 Sep - 11 Oct Singapore Airlines
27 Sep - 12 Oct Singapore Airlines
30 Sep - 13 Oct Singapore Airlines
21 Sep - 08 Oct Singapore Airlines
30 Sep - 10 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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