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

Saturday, October 3rd, 2026

4 round-trip options

Returning
Fri, Oct 9, 20266 Day Trip
$597 USD
Returning
Sat, Oct 10, 20267 Day Trip
$567 USD
Returning
Wed, Oct 14, 202611 Day Trip
$559 USD
Returning
Thu, Oct 15, 202612 Day Trip
$559 USD