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

Tuesday, September 1st, 2026

4 round-trip options

Returning
Mon, Sep 7, 20266 Day Trip
$552 USD
Returning
Tue, Sep 8, 20267 Day Trip
$552 USD
Returning
Sat, Sep 12, 202611 Day Trip
$614 USD
Returning
Sun, Sep 13, 202612 Day Trip
$560 USD