Cheapest return flights from Montreal to Lisbon in May from $517

Best time to book flights for Montreal (YUL) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from Montreal (YUL) to Lisbon (LIS) in May 2025 (see full year).

Return flights

11 May - 19 May Air Transat direct
27 May - 03 Jun Air Transat direct
14 May - 21 May Air Transat
05 May - 12 May Air Transat
07 May - 14 May Air Transat
28 May - 04 Jun Air Transat
05 May - 14 May Air Transat
05 May - 19 May Air Transat
29 May - 16 Jun Air Transat
26 May - 02 Jun Air Transat
05 May - 16 May Air Transat
26 May - 13 Jun Air Transat
05 May - 12 May Air Transat direct
28 May - 04 Jun Air Transat direct
05 May - 14 May Air Transat direct
05 May - 19 May Air Transat direct
19 May - 02 Jun Air Transat direct
25 May - 09 Jun TAP direct
29 May - 05 Jun Air Transat
25 May - 08 Jun Air Transat

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