AirHint found the following cheapest return flights from Brussels (BRU) to Oslo (OSL) in September 2026 (see full year).
Return flights
| 01 Sep - 06 Sep | Wizz Air | ||
| 06 Sep - 13 Sep | Norwegian | direct | |
| 07 Sep - 14 Sep | Scandinavian Airlines | direct | |
| 01 Sep - 06 Sep | Scandinavian Airlines | direct | |
| 22 Sep - 25 Sep | Brussels Airlines | direct |
Also check the deals for one-way flights from Brussels to Oslo in September.
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