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

Saturday, September 19th, 2026

4 round-trip options

Returning
Fri, Sep 25, 20266 Day Trip
$602 USD
Returning
Sat, Sep 26, 20267 Day Trip
$588 USD
Returning
Wed, Sep 30, 202611 Day Trip
$594 USD
Returning
Thu, Oct 1, 202612 Day Trip
$594 USD