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

Limited Availability
11% of dates checked are available within 10% of the lowest price

Saturday, December 5th, 2026

4 round-trip options

Returning
Thu, Dec 10, 20265 Day Trip
$839 USD
Returning
Fri, Dec 11, 20266 Day Trip
$603 USD
Returning
Tue, Dec 15, 202610 Day Trip
$850 USD
Returning
Fri, Dec 18, 202613 Day Trip
$878 USD