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

Monday, September 14th, 2026

7 round-trip options

Returning
Sat, Sep 19, 20265 Day Trip
$748 USD
Returning
Sun, Sep 20, 20266 Day Trip
$797 USD
Returning
Mon, Sep 21, 20267 Day Trip
$586 USD
Returning
Tue, Sep 22, 20268 Day Trip
$578 USD
Returning
Wed, Sep 23, 20269 Day Trip
$578 USD
Returning
Sat, Sep 26, 202612 Day Trip
$748 USD
Returning
Sun, Sep 27, 202613 Day Trip
$592 USD