OPO to YUL from $457 in economy – flightdeals.net

Home Premium Fare Deals About

Air Transat

Round Trip•Economy

Francisco Sá Carneiro Airport

Porto, Portugal

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada

$685 USD

-33%$457 USD

Verified 14 days ago

September 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

31$736 1$465 2$465 3$513 4$457 5$599 6$469 7$668 8$457 9$465 10$505 11$457 12$505 13$497 14$476 15$457 16$457 17$505 18$497 19$505 20$694 21$505 22$457 23$457 24$599 25$497 26$505 27$591 28$505 29$469 30$591 1$505 2$625 3$668 4$591

Limited Availability

11% of dates checked are available within 10% of the lowest price

Saturday, September 5th, 2026

4 round-trip options

Returning

Sun, Sep 13, 2026•8 Day Trip

$741 USD

Returning

Mon, Sep 14, 2026•9 Day Trip

$599 USD

Returning

Tue, Sep 15, 2026•10 Day Trip

$610 USD

Returning

Sat, Sep 19, 2026•14 Day Trip

$767 USD