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

Friday, September 18th, 2026

4 round-trip options

Returning
Thu, Sep 24, 20266 Day Trip
$552 USD
Returning
Fri, Sep 25, 20267 Day Trip
$591 USD
Returning
Tue, Sep 29, 202611 Day Trip
$552 USD
Returning
Wed, Sep 30, 202612 Day Trip
$585 USD