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

Thursday, December 17th, 2026

4 round-trip options

Returning
Wed, Dec 23, 20266 Day Trip
$621 USD
Returning
Thu, Dec 24, 20267 Day Trip
$614 USD
Returning
Tue, Dec 29, 202612 Day Trip
$579 USD
Returning
Wed, Dec 30, 202613 Day Trip
$579 USD