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

Wednesday, December 9th, 2026

4 round-trip options

Returning
Tue, Dec 15, 20266 Day Trip
$543 USD
Returning
Wed, Dec 16, 20267 Day Trip
$576 USD
Returning
Mon, Dec 21, 202612 Day Trip
$599 USD
Returning
Tue, Dec 22, 202613 Day Trip
$607 USD