Montreal (YUL) to Porto (OPO) flight deal in economy from $529

Wednesday, September 16th, 2026

7 round-trip options

Returning
Tue, Sep 22, 20266 Day Trip
$537 USD
Returning
Thu, Sep 24, 20268 Day Trip
$573 USD
Returning
Fri, Sep 25, 20269 Day Trip
$551 USD
Returning
Sat, Sep 26, 202610 Day Trip
$545 USD
Returning
Sun, Sep 27, 202611 Day Trip
$565 USD
Returning
Mon, Sep 28, 202612 Day Trip
$573 USD
Returning
Tue, Sep 29, 202613 Day Trip
$537 USD