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

Monday, September 14th, 2026

4 round-trip options

Returning
Sun, Sep 20, 20266 Day Trip
$559 USD
Returning
Mon, Sep 21, 20267 Day Trip
$551 USD
Returning
Fri, Sep 25, 202611 Day Trip
$588 USD
Returning
Sat, Sep 26, 202612 Day Trip
$579 USD