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

Thursday, July 16th, 2026

7 round-trip options

Returning
Wed, Jul 22, 20266 Day Trip
$740 USD
Returning
Fri, Jul 24, 20268 Day Trip
$726 USD
Returning
Sat, Jul 25, 20269 Day Trip
$762 USD
Returning
Sun, Jul 26, 202610 Day Trip
$936 USD
Returning
Mon, Jul 27, 202611 Day Trip
$902 USD
Returning
Wed, Jul 29, 202613 Day Trip
$894 USD
Returning
Thu, Jul 30, 202614 Day Trip
$1,022 USD