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

Saturday, August 29th, 2026

7 round-trip options

Returning
Thu, Sep 3, 20265 Day Trip
$704 USD
Returning
Fri, Sep 4, 20266 Day Trip
$696 USD
Returning
Sat, Sep 5, 20267 Day Trip
$762 USD
Returning
Sun, Sep 6, 20268 Day Trip
$725 USD
Returning
Mon, Sep 7, 20269 Day Trip
$834 USD
Returning
Thu, Sep 10, 202612 Day Trip
$615 USD
Returning
Fri, Sep 11, 202613 Day Trip
$578 USD