OPO to YUL from $507 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

$674 USD

-25%$507 USD

Verified 1 day ago

October 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

28$556 29$518 30$507 1$630 2$622 3$630 4$657 5$735 6 7$622 8$770 9$622 10$630 11$692 12$630 13 14$507 15$630 16$507 17$556 18$700 19$708 20 21$665 22$708 23$630 24$941 25 26 27 28 29 30 31$893 1

Limited Availability

17% of dates checked are available within 10% of the lowest price

Sunday, October 18th, 2026

3 round-trip options

Returning

Fri, Oct 23, 2026•5 Day Trip

$700 USD

Returning

Thu, Oct 29, 2026•11 Day Trip

$837 USD

Returning

Fri, Oct 30, 2026•12 Day Trip

$700 USD