Cheapest return OSL–ICN flights, September

AirHint found the following cheapest return flights from Oslo (OSL) to Seoul (ICN) in September 2026 (see full year).

Return flights

14 Sep - 28 Sep Scandinavian Airlines
20 Sep - 28 Sep Scandinavian Airlines
10 Sep - 26 Sep Scandinavian Airlines
11 Sep - 25 Sep Ryanair
07 Sep - 15 Sep Scandinavian Airlines
21 Sep - 29 Sep Scandinavian Airlines
15 Sep - 29 Sep Scandinavian Airlines
18 Sep - 27 Sep British Airways
03 Sep - 25 Sep Hainan Airlines
15 Sep - 22 Sep Virgin Atlantic
23 Sep - 01 Oct Scandinavian Airlines
28 Sep - 06 Oct Scandinavian Airlines
18 Sep - 04 Oct Ryanair
29 Sep - 06 Oct Finnair
06 Sep - 04 Oct Virgin Atlantic
29 Sep - 07 Oct Scandinavian Airlines
28 Sep - 05 Oct Air France
27 Sep - 04 Oct Finnair
27 Sep - 05 Oct Scandinavian Airlines
24 Sep - 01 Oct Finnair

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

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