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

Tuesday, August 11th, 2026

3 round-trip options

Returning
Sun, Aug 16, 20265 Day Trip
$770 USD
Returning
Mon, Aug 17, 20266 Day Trip
$747 USD
Returning
Thu, Aug 20, 20269 Day Trip
$771 USD