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

Sunday, December 6th, 2026

4 round-trip options

Returning
Sat, Dec 12, 20266 Day Trip
$559 USD
Returning
Sun, Dec 13, 20267 Day Trip
$559 USD
Returning
Fri, Dec 18, 202612 Day Trip
$684 USD
Returning
Sat, Dec 19, 202613 Day Trip
$657 USD