Cheapest return flights from Brussels to Oslo in September from $92

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

Return flights

16 Sep - 23 Sep Norwegian direct
19 Sep - 23 Sep Norwegian direct
19 Sep - 07 Oct Norwegian direct
23 Sep - 07 Oct Norwegian direct
16 Sep - 07 Oct Norwegian direct
23 Sep - 12 Oct Norwegian direct
23 Sep - 14 Oct Norwegian direct
12 Sep - 16 Sep Norwegian direct
10 Sep - 16 Sep Wizz Air Malta
14 Sep - 16 Sep Ryanair
17 Sep - 23 Sep Ryanair
16 Sep - 30 Sep Norwegian direct
12 Sep - 30 Sep Norwegian direct
19 Sep - 30 Sep Norwegian direct
26 Sep - 07 Oct Norwegian direct
26 Sep - 12 Oct Norwegian direct
26 Sep - 14 Oct Norwegian direct
30 Sep - 19 Oct Norwegian direct
30 Sep - 07 Oct Norwegian direct
15 Sep - 23 Sep Ryanair

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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