Porto (OPO) to Montreal (YUL) cheap flight deal from $426 USD in economy class

TSAir Transat

Round Trip•Economy

OPO

Francisco Sá Carneiro Airport

Porto, Portugal

YUL

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada

$743 USD

-43%$426 USD

Verified Sep 20, 2025 at 1:11 PM

October 2025

Today

Mon

Tue

Wed

Thu

Fri

Sat

Sun

29 30$438 1$667 2$1,014 3$1,466 4$1,472 5$914 6$1,108 7 8$526 9$838 10$526 11$1,108 12$596 13$1,472 14 15$737 16$1,214 17$1,207 18$1,472 19 20$1,479 21 22$838 23 24$638 25$750 26$1,326 27 28 29 30$815 31 1 2

Rare Availability

7% of dates checked are available within 10% of the lowest price

Wednesday, October 22nd, 2025

6 round-trip options

Returning

Tue, Oct 28, 2025•6 Day Trip

$838 USD

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Returning

Wed, Oct 29, 2025•7 Day Trip

$838 USD

Google Flights

Returning

Thu, Oct 30, 2025•8 Day Trip

$838 USD

Google Flights

Returning

Fri, Oct 31, 2025•9 Day Trip

$838 USD

Google Flights

Returning

Tue, Nov 4, 2025•13 Day Trip

$1,079 USD

Google Flights

Returning

Wed, Nov 5, 2025•14 Day Trip

$867 USD

Google Flights