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

Thursday, August 13th, 2026

3 round-trip options

Returning
Tue, Aug 18, 20265 Day Trip
$744 USD
Returning
Wed, Aug 19, 20266 Day Trip
$746 USD
Returning
Sat, Aug 22, 20269 Day Trip
$770 USD