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

Thursday, September 17th, 2026

4 round-trip options

Returning
Wed, Sep 23, 20266 Day Trip
$551 USD
Returning
Thu, Sep 24, 20267 Day Trip
$551 USD
Returning
Mon, Sep 28, 202611 Day Trip
$551 USD
Returning
Tue, Sep 29, 202612 Day Trip
$551 USD