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

Sunday, September 13th, 2026

4 round-trip options

Returning
Mon, Sep 21, 20268 Day Trip
$497 USD
Returning
Tue, Sep 22, 20269 Day Trip
$497 USD
Returning
Wed, Sep 23, 202610 Day Trip
$505 USD
Returning
Sun, Sep 27, 202614 Day Trip
$505 USD