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

20 dates in December, from $ 446. Book in one tap, or check whether to buy now or wait.

One-wayReturn
Dates, airline, and price
Dates Airline Price
6 Dec 12 Dec Air Transat
Direct Flight
4 Dec 12 Dec Air Transat
Direct Flight
7 Dec 14 Dec Air Transat
Direct Flight
4 Dec 15 Dec Air Transat
Direct Flight
2 Dec 13 Jan 2027 TAP
Direct Flight
4 Dec 13 Dec TAP
Direct Flight
2 Dec 16 Dec TAP
Direct Flight
4 Dec 11 Dec TAP
Direct Flight
5 Dec 15 Dec Air Transat
2 Dec 15 Dec Air Transat
3 Dec 15 Dec Air Transat
9 Dec 15 Jan 2027 Delta
13 Dec 9 Jan 2027 Air Transat
Direct Flight
13 Dec 12 Jan 2027 Air Transat
Direct Flight
13 Dec 10 Jan 2027 Air Transat
13 Dec 11 Jan 2027 Air Transat
Direct Flight
9 Dec 15 Jan 2027 Air Canada
Direct Flight
13 Dec 13 Jan 2027 TAP
Direct Flight
30 Dec 27 Jan 2027 TAP
Direct Flight
30 Dec 12 Jan 2027 Air Canada
Direct Flight
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Updated Oct 9, 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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