AirHint found the following cheapest return flights from Seoul (ICN) to Oslo (OSL) in April 2026 (see full year).
Return flights
| 01 Apr - 15 Apr | Lufthansa | ||
| 23 Apr - 25 Apr | Etihad Airways | ||
| 29 Apr - 06 May | Lufthansa | ||
| 28 Apr - 04 May | Lufthansa | ||
| 29 Apr - 04 May | Lufthansa | ||
| 05 Apr - 12 Apr | Finnair | ||
| 30 Apr - 09 May | Thai Airways |
Also check the deals for one-way flights from Seoul to Oslo in April.
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