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

Wednesday, September 2nd, 2026

4 round-trip options

Returning
Thu, Sep 10, 20268 Day Trip
$465 USD
Returning
Fri, Sep 11, 20269 Day Trip
$465 USD
Returning
Sat, Sep 12, 202610 Day Trip
$497 USD
Returning
Wed, Sep 16, 202614 Day Trip
$465 USD