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

September 2025

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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21$426 22$709 23$426 24$497 25$1,319 26$438 27$1,214 28$526 29 30$438 1$667 2$1,014 3$1,466 4$1,472 5$914

Rare Availability

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

Tuesday, September 30th, 2025

8 round-trip options

Returning

Sun, Oct 5, 2025•5 Day Trip

$444 USD

Google Flights

Returning

Tue, Oct 7, 2025•7 Day Trip

$508 USD

Google Flights

Returning

Wed, Oct 8, 2025•8 Day Trip

$444 USD

Google Flights

Returning

Thu, Oct 9, 2025•9 Day Trip

$438 USD

Google Flights

Returning

Fri, Oct 10, 2025•10 Day Trip

$515 USD

Google Flights

Returning

Sat, Oct 11, 2025•11 Day Trip

$438 USD

Google Flights

Returning

Sun, Oct 12, 2025•12 Day Trip

$444 USD

Google Flights

Returning

Tue, Oct 14, 2025•14 Day Trip

$438 USD

Google Flights