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

Return flights

13 Apr - 28 Apr	Finnair
13 Apr - 27 Apr	Finnair
17 Apr - 28 Apr	Finnair
21 Apr - 28 Apr	Finnair
14 Apr - 28 Apr	Finnair
20 Apr - 27 Apr	Finnair
13 Apr - 20 Apr	Finnair
17 Apr - 24 Apr	Finnair
18 Apr - 25 Apr	Finnair
14 Apr - 21 Apr	Finnair
27 Apr - 26 May	Finnair
20 Apr - 11 May	Finnair
14 Apr - 05 May	Finnair
25 Apr - 02 May	Finnair
27 Apr - 04 May	Finnair
26 Apr - 03 May	Finnair
19 Apr - 05 May	Finnair
28 Apr - 05 May	Finnair
25 Apr - 04 May	Finnair
27 Apr - 26 May	Air Transat	direct

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

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 Lisbon in April from 286€

Return flights