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

Monday, September 7th, 2026

4 round-trip options

Returning
Tue, Sep 15, 20268 Day Trip
$679 USD
Returning
Wed, Sep 16, 20269 Day Trip
$675 USD
Returning
Thu, Sep 17, 202610 Day Trip
$904 USD
Returning
Mon, Sep 21, 202614 Day Trip
$668 USD