Porto (OPO) to Montreal (YUL) flight deal in economy from $457

Monday, September 14th, 2026

4 round-trip options

Returning
Tue, Sep 22, 20268 Day Trip
$476 USD
Returning
Wed, Sep 23, 20269 Day Trip
$484 USD
Returning
Thu, Sep 24, 202610 Day Trip
$476 USD
Returning
Mon, Sep 28, 202614 Day Trip
$476 USD