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

Tuesday, September 8th, 2026

4 round-trip options

Returning
Mon, Sep 14, 20266 Day Trip
$526 USD
Returning
Tue, Sep 15, 20267 Day Trip
$526 USD
Returning
Sat, Sep 19, 202611 Day Trip
$564 USD
Returning
Sun, Sep 20, 202612 Day Trip
$534 USD