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

Friday, September 4th, 2026

4 round-trip options

Returning
Thu, Sep 10, 20266 Day Trip
$552 USD
Returning
Fri, Sep 11, 20267 Day Trip
$622 USD
Returning
Tue, Sep 15, 202611 Day Trip
$552 USD
Returning
Wed, Sep 16, 202612 Day Trip
$584 USD