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

Sunday, September 27th, 2026

6 round-trip options

Returning
Sat, Oct 3, 20266 Day Trip
$755 USD
Returning
Mon, Oct 5, 20268 Day Trip
$573 USD
Returning
Wed, Oct 7, 202610 Day Trip
$537 USD
Returning
Thu, Oct 8, 202611 Day Trip
$573 USD
Returning
Fri, Oct 9, 202612 Day Trip
$551 USD
Returning
Sat, Oct 10, 202613 Day Trip
$545 USD