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

Return flights

14 May - 21 May	SWISS
20 May - 27 May	SWISS
11 May - 18 May	Air Canada
13 May - 20 May	SWISS
19 May - 26 May	Air Canada
21 May - 28 May	SWISS
04 May - 11 May	Air Transat
10 May - 17 May	SWISS
08 May - 15 May	Air Canada
18 May - 25 May	Air Canada
26 May - 02 Jun	SWISS
28 May - 04 Jun	SWISS
27 May - 03 Jun	Air Canada
28 May - 07 Jun	Air Canada
25 May - 01 Jun	Air France
27 May - 06 Jun	Air Canada
29 May - 05 Jun	SWISS
30 May - 06 Jun	Air Canada
31 May - 07 Jun	Brussels Airlines

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.

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Cheapest return flights from Montreal to Oslo in May from 607€

Return flights