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

Tuesday, September 8th, 2026

7 round-trip options

Returning
Mon, Sep 14, 20266 Day Trip
$537 USD
Returning
Wed, Sep 16, 20268 Day Trip
$529 USD
Returning
Thu, Sep 17, 20269 Day Trip
$537 USD
Returning
Fri, Sep 18, 202610 Day Trip
$557 USD
Returning
Sat, Sep 19, 202611 Day Trip
$551 USD
Returning
Sun, Sep 20, 202612 Day Trip
$760 USD
Returning
Mon, Sep 21, 202613 Day Trip
$551 USD