YUL to OPO from $535 in economy – flightdeals.net

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Air Transat

Round Trip•Economy

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada

Francisco Sá Carneiro Airport

Porto, Portugal

$738 USD

-28%$535 USD

Verified about 24 hours ago

October 2026

Mon

Tue

Wed

Thu

Fri

Sat

Sun

28$696 29$696 30$704 1$689 2$543 3$535 4$543 5 6$535 7$543 8$535 9$543 10$535 11$543 12 13$689 14$697 15$689 16$697 17$718 18$726 19 20$856 21 22 23$864 24 25 26 27 28 29 30$792 31 1

Limited Availability

18% of dates checked are available within 10% of the lowest price

Sunday, October 18th, 2026

2 round-trip options

Returning

Fri, Oct 23, 2026•5 Day Trip

$726 USD

Returning

Sat, Oct 24, 2026•6 Day Trip

$922 USD