Montreal (YUL) to Porto (OPO) flight deal in economy from $535

Wednesday, September 9th, 2026

7 round-trip options

Returning
Mon, Sep 14, 20265 Day Trip
$749 USD
Returning
Tue, Sep 15, 20266 Day Trip
$586 USD
Returning
Wed, Sep 16, 20267 Day Trip
$586 USD
Returning
Thu, Sep 17, 20268 Day Trip
$623 USD
Returning
Fri, Sep 18, 20269 Day Trip
$586 USD
Returning
Mon, Sep 21, 202612 Day Trip
$594 USD
Returning
Tue, Sep 22, 202613 Day Trip
$586 USD