Cheapest return flights from Brussels to Oslo in September from 90€

AirHint found the following cheapest return flights from Brussels (BRU) to Oslo (OSL) in September 2025 (see full year).

Return flights

05 Sep - 09 Sep Wizz Air
08 Sep - 14 Sep Wizz Air
30 Sep - 07 Oct Norwegian direct
12 Sep - 23 Sep Norwegian direct
16 Sep - 07 Oct Norwegian direct
30 Sep - 12 Oct Norwegian direct
30 Sep - 21 Oct Norwegian direct
30 Sep - 14 Oct Norwegian direct
19 Sep - 07 Oct Norwegian direct
26 Sep - 07 Oct Norwegian direct
16 Sep - 23 Sep Norwegian direct
19 Sep - 23 Sep Norwegian direct
26 Sep - 12 Oct Norwegian direct
26 Sep - 14 Oct Norwegian direct
02 Sep - 23 Sep Vueling Airlines
02 Sep - 23 Sep Norwegian direct
17 Sep - 23 Sep Ryanair
12 Sep - 16 Sep Norwegian direct
07 Sep - 11 Sep Ryanair
30 Sep - 08 Oct Norwegian direct

Also check the deals for one-way flights from Brussels to Oslo in September.

Skyscanner

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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