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

Monday, August 31st, 2026

7 round-trip options

Returning
Sat, Sep 5, 20265 Day Trip
$762 USD
Returning
Sun, Sep 6, 20266 Day Trip
$725 USD
Returning
Mon, Sep 7, 20267 Day Trip
$834 USD
Returning
Tue, Sep 8, 20268 Day Trip
$653 USD
Returning
Wed, Sep 9, 20269 Day Trip
$578 USD
Returning
Sat, Sep 12, 202612 Day Trip
$600 USD
Returning
Sun, Sep 13, 202613 Day Trip
$578 USD