AirHint found the following cheapest return flights from Sofia (SOF) to Oslo (OSL) in April 2026 (see full year).
Return flights
| 21 Apr - 24 Apr | Wizz Air | ||
| 11 Apr - 18 Apr | Air Serbia | ||
| 12 Apr - 16 Apr | Ryanair | ||
| 09 Apr - 16 Apr | Ryanair |
Also check the deals for one-way flights from Sofia to Oslo in April.
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