Lisbon (LIS) to Montreal (YUL) flight deal in economy from $478

Sunday, September 20th, 2026

4 round-trip options

Returning
Mon, Sep 28, 20268 Day Trip
$629 USD
Returning
Wed, Sep 30, 202610 Day Trip
$629 USD
Returning
Fri, Oct 2, 202612 Day Trip
$631 USD
Returning
Sat, Oct 3, 202613 Day Trip
$815 USD