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

Tuesday, August 25th, 2026

3 round-trip options

Returning
Sun, Aug 30, 20265 Day Trip
$603 USD
Returning
Mon, Aug 31, 20266 Day Trip
$624 USD
Returning
Thu, Sep 3, 20269 Day Trip
$629 USD