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

Tuesday, August 25th, 2026

7 round-trip options

Returning
Sun, Aug 30, 20265 Day Trip
$711 USD
Returning
Mon, Aug 31, 20266 Day Trip
$805 USD
Returning
Tue, Sep 1, 20267 Day Trip
$653 USD
Returning
Wed, Sep 2, 20268 Day Trip
$667 USD
Returning
Thu, Sep 3, 20269 Day Trip
$704 USD
Returning
Sun, Sep 6, 202612 Day Trip
$725 USD
Returning
Mon, Sep 7, 202613 Day Trip
$834 USD