Montreal (YUL) to Porto (OPO) flight deal in economy from $529

Friday, August 14th, 2026

7 round-trip options

Returning
Thu, Aug 20, 20266 Day Trip
$762 USD
Returning
Sat, Aug 22, 20268 Day Trip
$825 USD
Returning
Sun, Aug 23, 20269 Day Trip
$775 USD
Returning
Mon, Aug 24, 202610 Day Trip
$706 USD
Returning
Tue, Aug 25, 202611 Day Trip
$565 USD
Returning
Thu, Aug 27, 202613 Day Trip
$889 USD
Returning
Fri, Aug 28, 202614 Day Trip
$565 USD