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

Saturday, September 19th, 2026

4 round-trip options

Returning
Sun, Sep 27, 20268 Day Trip
$513 USD
Returning
Mon, Sep 28, 20269 Day Trip
$505 USD
Returning
Tue, Sep 29, 202610 Day Trip
$505 USD
Returning
Sat, Oct 3, 202614 Day Trip
$505 USD