Cheapest return flights from Oslo to Seoul in September from 639€

AirHint found the following cheapest return flights from Oslo (OSL) to Seoul (ICN) in September 2025 (see full year).

Return flights

23 Sep - 15 Oct Finnair
10 Sep - 10 Oct Lufthansa
01 Sep - 14 Sep Finnair
08 Sep - 21 Sep Finnair
20 Sep - 10 Oct Finnair
05 Sep - 21 Sep Finnair
12 Sep - 19 Sep Scandinavian Airlines
24 Sep - 09 Oct KLM
06 Sep - 18 Oct SWISS
18 Sep - 29 Sep Thai Airways
20 Sep - 18 Oct Finnair
03 Sep - 07 Sep Thai Airways
05 Sep - 20 Sep Air France
12 Sep - 05 Oct Finnair
06 Sep - 27 Sep Ethiopian Airlines
06 Sep - 26 Sep Thai Airways
18 Sep - 02 Oct Qatar Airways

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