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

Thursday, September 10th, 2026

4 round-trip options

Returning
Fri, Sep 18, 20268 Day Trip
$750 USD
Returning
Sat, Sep 19, 20269 Day Trip
$673 USD
Returning
Sun, Sep 20, 202610 Day Trip
$513 USD
Returning
Thu, Sep 24, 202614 Day Trip
$505 USD