AirHint found the following cheapest return flights from Oslo (OSL) to Seoul (ICN) in September 2026 (see full year).
Return flights
| 01 Sep - 12 Sep | Scandinavian Airlines | ||
| 04 Sep - 19 Sep | Scandinavian Airlines | ||
| 25 Sep - 03 Oct | Scandinavian Airlines | ||
| 27 Sep - 05 Oct | Scandinavian Airlines | ||
| 26 Sep - 03 Oct | Finnair | ||
| 25 Sep - 02 Oct | Finnair |
Also check the deals for one-way flights from Oslo to Seoul in September.
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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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