Porto (OPO) to Montreal (YUL) flight deal in economy from $507

Limited Availability
17% of dates checked are available within 10% of the lowest price

Saturday, December 5th, 2026

6 round-trip options

Returning
Thu, Dec 10, 20265 Day Trip
$871 USD
Returning
Fri, Dec 11, 20266 Day Trip
$614 USD
Returning
Tue, Dec 15, 202610 Day Trip
$883 USD
Returning
Wed, Dec 16, 202611 Day Trip
$626 USD
Returning
Thu, Dec 17, 202612 Day Trip
$823 USD
Returning
Fri, Dec 18, 202613 Day Trip
$823 USD