AirHint found the following cheapest return flights from Montreal (YUL) to Oslo (OSL) in May 2026 (see full year).

Return flights

06 May - 13 May	Lufthansa
05 May - 12 May	Lufthansa
04 May - 11 May	Air Canada
19 May - 26 May	SWISS
27 May - 03 Jun	SWISS
12 May - 19 May	Lufthansa
20 May - 27 May	Lufthansa
13 May - 20 May	Lufthansa
26 May - 02 Jun	SWISS
11 May - 18 May	Air Canada
18 May - 25 May	Lufthansa
03 May - 10 May	Air Canada
25 May - 01 Jun	Lufthansa
28 May - 04 Jun	SWISS
29 May - 05 Jun	SWISS

Also check the deals for one-way flights from Montreal to Oslo in May.

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 Montreal to Oslo in May from $784

Return flights