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

Tuesday, December 8th, 2026

4 round-trip options

Returning
Mon, Dec 14, 20266 Day Trip
$551 USD
Returning
Tue, Dec 15, 20267 Day Trip
$559 USD
Returning
Sun, Dec 20, 202612 Day Trip
$630 USD
Returning
Mon, Dec 21, 202613 Day Trip
$611 USD