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

Sunday, September 13th, 2026

4 round-trip options

Returning
Sat, Sep 19, 20266 Day Trip
$610 USD
Returning
Sun, Sep 20, 20267 Day Trip
$579 USD
Returning
Thu, Sep 24, 202611 Day Trip
$572 USD
Returning
Fri, Sep 25, 202612 Day Trip
$608 USD