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

Thursday, September 3rd, 2026

4 round-trip options

Returning
Wed, Sep 9, 20266 Day Trip
$552 USD
Returning
Thu, Sep 10, 20267 Day Trip
$552 USD
Returning
Mon, Sep 14, 202611 Day Trip
$552 USD
Returning
Tue, Sep 15, 202612 Day Trip
$552 USD