Cheapest return flights from Oslo to Brussels in September from $189

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

Return flights

18 Sep - 20 Sep Scandinavian Airlines
10 Sep - 20 Sep Norwegian direct
18 Sep - 20 Sep 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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