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

Return flights

02 Jul - 04 Jul	Ryanair
08 Jul - 14 Jul	Ryanair
04 Jul - 18 Jul	Ryanair
09 Jul - 13 Jul	Ryanair
09 Jul - 21 Jul	Ryanair
04 Jul - 06 Jul	Ryanair
05 Jul - 10 Jul	Ryanair
11 Jul - 18 Jul	Ryanair
04 Jul - 18 Jul	Norwegian	direct
04 Jul - 11 Jul	Norwegian	direct
12 Jul - 03 Aug	Ryanair
30 Jul - 07 Aug	Ryanair
24 Jul - 01 Aug	Ryanair
31 Jul - 04 Aug	Ryanair
31 Jul - 03 Aug	Ryanair
31 Jul - 05 Aug	Ryanair
25 Jul - 15 Aug	Norwegian	direct
25 Jul - 10 Aug	Norwegian	direct
25 Jul - 08 Aug	Norwegian	direct
11 Jul - 01 Aug	Norwegian	direct

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

Book a cheap hotel in Oslo

Cheap car rent in Oslo

Cheapest return flights from Brussels to Oslo in July from $155

Return flights