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

Tuesday, September 1st, 2026

4 round-trip options

Returning
Wed, Sep 9, 20268 Day Trip
$465 USD
Returning
Thu, Sep 10, 20269 Day Trip
$465 USD
Returning
Fri, Sep 11, 202610 Day Trip
$465 USD
Returning
Tue, Sep 15, 202614 Day Trip
$469 USD