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

Monday, August 31st, 2026

3 round-trip options

Returning
Sat, Sep 5, 20265 Day Trip
$694 USD
Returning
Sun, Sep 6, 20266 Day Trip
$594 USD
Returning
Wed, Sep 9, 20269 Day Trip
$574 USD