AirHint found the following cheapest return flights from Thessaloniki (SKG) to Oslo (OSL) in September 2026 (see full year).
Return flights
| 04 Sep - 09 Sep | Air Serbia | ||
| 25 Sep - 30 Sep | Ryanair | ||
| 11 Sep - 16 Sep | Ryanair | ||
| 08 Sep - 10 Sep | airBaltic | ||
| 20 Sep - 25 Sep | LOT |
Also check the deals for one-way flights from Thessaloniki to Oslo in September.
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