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 19th, 2026

6 round-trip options

Returning
Thu, Dec 24, 20265 Day Trip
$614 USD
Returning
Fri, Dec 25, 20266 Day Trip
$614 USD
Returning
Tue, Dec 29, 202610 Day Trip
$871 USD
Returning
Wed, Dec 30, 202611 Day Trip
$614 USD
Returning
Thu, Dec 31, 202612 Day Trip
$614 USD
Returning
Fri, Jan 1, 202713 Day Trip
$614 USD