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

Monday, September 7th, 2026

4 round-trip options

Returning
Sun, Sep 13, 20266 Day Trip
$567 USD
Returning
Mon, Sep 14, 20267 Day Trip
$559 USD
Returning
Fri, Sep 18, 202611 Day Trip
$598 USD
Returning
Sat, Sep 19, 202612 Day Trip
$599 USD