Montreal (YUL) to Porto (OPO) flight deal in economy from $535

Air TransatTSAir Transat
Round Trip•Economy
CanadaYUL

Montréal-Pierre Elliott Trudeau International Airport

Montreal, Canada
PortugalOPO

Francisco Sá Carneiro Airport

Porto, Portugal
$738 USD
-28%$535 USD
Verified about 19 hours ago
Limited Availability
18% of dates checked are available within 10% of the lowest price

Saturday, September 5th, 2026

7 round-trip options

Returning
Thu, Sep 10, 2026•5 Day Trip
$892 USD
Google Flights
Returning
Fri, Sep 11, 2026•6 Day Trip
$855 USD
Google Flights
Returning
Sat, Sep 12, 2026•7 Day Trip
$878 USD
Google Flights
Returning
Sun, Sep 13, 2026•8 Day Trip
$855 USD
Google Flights
Returning
Mon, Sep 14, 2026•9 Day Trip
$1,018 USD
Google Flights
Returning
Thu, Sep 17, 2026•12 Day Trip
$892 USD
Google Flights
Returning
Fri, Sep 18, 2026•13 Day Trip
$855 USD
Google Flights