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

Return flights

03 May - 19 May	SWISS
27 May - 03 Jun	Air Transat
03 May - 10 May	Air France
04 May - 11 May	Air France
05 May - 12 May	Air France
06 May - 13 May	Air France
07 May - 14 May	Air France
08 May - 15 May	Air France
10 May - 17 May	Air France
12 May - 19 May	Air France
14 May - 21 May	Air France
28 May - 04 Jun	Air Transat
31 May - 07 Jun	Air Transat
30 May - 06 Jun	Air Transat
29 May - 05 Jun	Air Transat
25 May - 01 Jun	Air Transat
26 May - 02 Jun	Air Transat

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 $670

Return flights