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

Tuesday, August 4th, 2026

3 round-trip options

Returning
Sun, Aug 9, 20265 Day Trip
$772 USD
Returning
Mon, Aug 10, 20266 Day Trip
$764 USD
Returning
Thu, Aug 13, 20269 Day Trip
$764 USD