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

Sunday, August 16th, 2026

3 round-trip options

Returning
Fri, Aug 21, 20265 Day Trip
$1,048 USD
Returning
Sat, Aug 22, 20266 Day Trip
$1,018 USD
Returning
Tue, Aug 25, 20269 Day Trip
$865 USD