Cheapest return flights from Seoul to Oslo in September from $788

Best time to book flights for Seoul (ICN) to Oslo (OSL) flights at AirHint

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

Return flights

08 Sep - 15 Sep KLM
15 Sep - 28 Sep Finnair
19 Sep - 26 Sep Emirates
20 Sep - 26 Sep Thai Airways
26 Sep - 03 Oct Thai Airways
19 Sep - 14 Oct Thai Airways
22 Sep - 30 Sep Etihad Airways
25 Sep - 28 Sep Etihad Airways
30 Sep - 11 Oct Thai Airways
27 Sep - 07 Oct Thai Airways
30 Sep - 07 Oct Thai Airways
28 Sep - 06 Oct Lufthansa
27 Sep - 05 Oct SWISS
27 Sep - 04 Oct SWISS
30 Sep - 08 Oct Emirates

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