Cheapest return flights from Oslo to Brussels in September from 104€

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

Return flights

23 Sep - 26 Sep Norwegian direct
12 Sep - 16 Sep Wizz Air
16 Sep - 26 Sep Norwegian direct
09 Sep - 26 Sep Norwegian direct
09 Sep - 16 Sep Norwegian direct
23 Sep - 07 Oct Norwegian direct
16 Sep - 23 Sep Norwegian direct
09 Sep - 23 Sep Norwegian direct
09 Sep - 12 Sep Norwegian direct
30 Sep - 14 Oct Norwegian direct
07 Sep - 26 Sep Norwegian direct
07 Sep - 16 Sep Norwegian direct
30 Sep - 17 Oct Norwegian direct
30 Sep - 07 Oct Norwegian direct
21 Sep - 07 Oct Norwegian direct
24 Sep - 01 Oct Scandinavian Airlines direct
29 Sep - 06 Oct Scandinavian Airlines direct
30 Sep - 02 Oct Scandinavian Airlines direct
19 Sep - 07 Oct Norwegian direct
25 Sep - 02 Oct Brussels Airlines direct

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