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

Sunday, December 20th, 2026

4 round-trip options

Returning
Sat, Dec 26, 20266 Day Trip
$679 USD
Returning
Sun, Dec 27, 20267 Day Trip
$583 USD
Returning
Fri, Jan 1, 202712 Day Trip
$603 USD
Returning
Sat, Jan 2, 202713 Day Trip
$629 USD