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

Wednesday, September 9th, 2026

4 round-trip options

Returning
Thu, Sep 17, 20268 Day Trip
$694 USD
Returning
Fri, Sep 18, 20269 Day Trip
$599 USD
Returning
Sat, Sep 19, 202610 Day Trip
$625 USD
Returning
Wed, Sep 23, 202614 Day Trip
$465 USD