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

Return flights

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

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 538€

Return flights