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

October 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

28$505 29$469 30$591 1$505 2$625 3$668 4$591 5$599 6 7$497 8$599 9$497 10$465 11$497 12$505 13 14$457 15$513 16$465 17 18 19$908 20 21$505 22$607 23$476 24 25 26 27 28 29 30 31 1

Limited Availability

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

Sunday, October 4th, 2026

3 round-trip options

Returning

Tue, Oct 13, 2026•9 Day Trip

$591 USD

Returning

Wed, Oct 14, 2026•10 Day Trip

$599 USD

Returning

Sun, Oct 18, 2026•14 Day Trip

$599 USD