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

Return flights

12 May - 19 May	Air France
18 May - 25 May	Air France
05 May - 12 May	Air France
07 May - 14 May	Air France
19 May - 26 May	Air France
21 May - 28 May	Air France
07 May - 28 May	Air France
06 May - 13 May	Air France
14 May - 21 May	Air France
20 May - 27 May	Air France
04 May - 03 Jun	Delta
26 May - 02 Jun	Air Canada
28 May - 04 Jun	SWISS
27 May - 03 Jun	Air Canada
25 May - 01 Jun	Air France
29 May - 05 Jun	Air France
31 May - 07 Jun	Air Canada
30 May - 06 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.

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Cheapest return flights from Montreal to Oslo in May from $692

Return flights