Cheapest return flights from Lisbon to Montreal in May from $469

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

Return flights

11 May - 19 May Air Transat direct
06 May - 10 May KLM
16 May - 24 May KLM
12 May - 19 May Air Transat
11 May - 18 May Air Transat
13 May - 20 May Air Transat direct
18 May - 24 May Air France
10 May - 17 May Air Transat
28 May - 04 Jun Air Canada direct
05 May - 12 May Air Canada
26 May - 02 Jun Air Canada
20 May - 27 May Air Transat direct
27 May - 03 Jun Air Transat direct
25 May - 01 Jun Air Canada
30 May - 06 Jun Air Transat
31 May - 07 Jun Air Transat
29 May - 05 Jun Air Transat
25 May - 01 Jun TAP direct
31 May - 07 Jun TAP direct

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

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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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