Cheapest return flights from Seoul to Keflavik in September from 917€

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 - 30 Sep Qatar Airways
16 Sep - 29 Sep LOT
18 Sep - 30 Sep Qatar Airways
18 Sep - 29 Sep LOT
17 Sep - 30 Sep Qatar Airways
04 Sep - 10 Sep Finnair
11 Sep - 17 Sep Finnair
23 Sep - 30 Sep Finnair
16 Sep - 01 Oct LOT
17 Sep - 29 Sep Qatar Airways
17 Sep - 28 Sep Qatar Airways
25 Sep - 04 Oct Qatar Airways
24 Sep - 04 Oct Singapore Airlines
25 Sep - 06 Oct LOT
25 Sep - 13 Oct Singapore Airlines
24 Sep - 13 Oct Singapore Airlines
22 Sep - 06 Oct Emirates
24 Sep - 06 Oct Air Canada
27 Sep - 05 Oct LOT
28 Sep - 05 Oct LOT

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.

Book a cheap hotel in Keflavik

Cheap car rent in Keflavik