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

Tuesday, December 15th, 2026

4 round-trip options

Returning
Mon, Dec 21, 20266 Day Trip
$611 USD
Returning
Tue, Dec 22, 20267 Day Trip
$619 USD
Returning
Sun, Dec 27, 202612 Day Trip
$570 USD
Returning
Mon, Dec 28, 202613 Day Trip
$570 USD