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

Wednesday, September 9th, 2026

4 round-trip options

Returning
Tue, Sep 15, 20266 Day Trip
$551 USD
Returning
Wed, Sep 16, 20267 Day Trip
$565 USD
Returning
Sun, Sep 20, 202611 Day Trip
$559 USD
Returning
Mon, Sep 21, 202612 Day Trip
$551 USD