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

Sunday, August 30th, 2026

3 round-trip options

Returning
Fri, Sep 4, 20265 Day Trip
$722 USD
Returning
Sat, Sep 5, 20266 Day Trip
$649 USD
Returning
Tue, Sep 8, 20269 Day Trip
$602 USD