Lisbon (LIS) to Montreal (YUL) flight deal in economy from $525

Saturday, December 12th, 2026

4 round-trip options

Returning
Fri, Dec 18, 20266 Day Trip
$671 USD
Returning
Sat, Dec 19, 20267 Day Trip
$641 USD
Returning
Thu, Dec 24, 202612 Day Trip
$599 USD
Returning
Fri, Dec 25, 202613 Day Trip
$599 USD