Cheapest return flights from Montreal (YUL) to Lisbon (LIS), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
21 Sep 30 Sep Air Transat
Direct Flight
10 Sep 21 Sep Air Transat
10 Sep 15 Oct Air Transat
09 Sep 22 Sep Air Transat
Direct Flight
07 Sep 23 Sep TAP
Direct Flight
09 Sep 21 Sep Air Transat
Direct Flight
08 Sep 05 Oct Air Transat
Direct Flight
21 Sep 01 Oct Air Transat
10 Sep 15 Oct Air Canada
Direct Flight
11 Sep 19 Sep Air Transat
Direct Flight
21 Sep 08 Oct Air Transat
Direct Flight
16 Sep 07 Oct Air Transat
Direct Flight
15 Sep 13 Oct Air Transat
Direct Flight
27 Sep 12 Oct Air Transat
Direct Flight
25 Sep 08 Oct Air Transat
Direct Flight
15 Sep 07 Oct Air Transat
Direct Flight
11 Sep 28 Sep Air Transat
Direct Flight
13 Sep 28 Sep Air Transat
Direct Flight
15 Sep 28 Sep Air Transat
Direct Flight
02 Sep 07 Sep Air Transat
Direct Flight
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deals for one-way flights from Montreal to Lisbon in September.

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Updated Jul 6, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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