AirHint found the following cheapest one-way flights from Oslo (OSL) to Brussels (BRU) in July 2025 (see full year).

One-Way flights

14 Jul	Scandinavian Airlines	direct
28 Jul	Scandinavian Airlines	direct
30 Jul	Scandinavian Airlines	direct
31 Jul	Scandinavian Airlines	direct
18 Jul	Scandinavian Airlines	direct
15 Jul	Scandinavian Airlines	direct
24 Jul	Ryanair
27 Jul	Norwegian	direct
21 Jul	Scandinavian Airlines	direct
06 Jul	Scandinavian Airlines	direct

Also check the deals for return flights from Oslo to Brussels in July.

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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Cheapest one-way flights from Oslo to Brussels in July from $66

One-Way flights