Porto (OPO) to Montreal (YUL) flight deal in economy from $457

Friday, July 31st, 2026

8 round-trip options

Returning
Wed, Aug 5, 20265 Day Trip
$844 USD
Returning
Thu, Aug 6, 20266 Day Trip
$767 USD
Returning
Sat, Aug 8, 20268 Day Trip
$836 USD
Returning
Sun, Aug 9, 20269 Day Trip
$844 USD
Returning
Mon, Aug 10, 202610 Day Trip
$702 USD
Returning
Tue, Aug 11, 202611 Day Trip
$702 USD
Returning
Thu, Aug 13, 202613 Day Trip
$702 USD
Returning
Fri, Aug 14, 202614 Day Trip
$750 USD