Cheapest return flights from Oslo to Brussels in September from $134

AirHint found the following cheapest return flights from Oslo (OSL) to Brussels (BRU) in September 2026 (see full year).

Return flights

07 Sep - 14 Sep Brussels Airlines direct
09 Sep - 16 Sep Brussels Airlines direct
10 Sep - 17 Sep Brussels Airlines direct
02 Sep - 09 Sep Brussels Airlines direct
03 Sep - 10 Sep Brussels Airlines direct
04 Sep - 11 Sep Brussels Airlines direct
05 Sep - 07 Sep Brussels Airlines direct
11 Sep - 18 Sep Brussels Airlines direct
12 Sep - 14 Sep Brussels Airlines direct
14 Sep - 21 Sep Brussels Airlines direct
29 Sep - 06 Oct Brussels Airlines direct
30 Sep - 07 Oct Brussels Airlines direct
24 Sep - 01 Oct Brussels Airlines direct
29 Sep - 01 Oct Scandinavian Airlines
30 Sep - 02 Oct Scandinavian Airlines
28 Sep - 05 Oct Scandinavian Airlines
28 Sep - 05 Oct Brussels Airlines direct
29 Sep - 01 Oct Brussels Airlines direct
30 Sep - 02 Oct Brussels Airlines direct
25 Sep - 02 Oct Brussels Airlines direct

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

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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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