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

Return flights

27 Jan - 01 Feb	Wizz Air
28 Jan - 02 Feb	Wizz Air
27 Jan - 31 Jan	Ryanair
26 Jan - 28 Jan	Ryanair
30 Jan - 03 Feb	Ryanair
16 Jan - 19 Jan	Ryanair
16 Jan - 23 Jan	Ryanair
19 Jan - 26 Jan	Ryanair
30 Jan - 01 Feb	Ryanair
31 Jan - 07 Feb	Wizz Air Malta
25 Jan - 27 Jan	Ryanair
24 Jan - 29 Jan	Wizz Air
25 Jan - 29 Jan	Ryanair
26 Jan - 30 Jan	Ryanair
26 Jan - 31 Jan	Ryanair
28 Jan - 01 Feb	Ryanair
29 Jan - 04 Feb	Ryanair
30 Jan - 05 Feb	FlyOne (Romania)
29 Jan - 05 Feb	Scandinavian Airlines
28 Jan - 07 Feb	Ryanair

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

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 return flights from Brussels to Oslo in January from 76€

Return flights