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

Saturday, September 19th, 2026

7 round-trip options

Returning
Thu, Sep 24, 20265 Day Trip
$719 USD
Returning
Fri, Sep 25, 20266 Day Trip
$578 USD
Returning
Sat, Sep 26, 20267 Day Trip
$748 USD
Returning
Sun, Sep 27, 20268 Day Trip
$592 USD
Returning
Mon, Sep 28, 20269 Day Trip
$600 USD
Returning
Thu, Oct 1, 202612 Day Trip
$704 USD
Returning
Fri, Oct 2, 202613 Day Trip
$607 USD