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

Wednesday, August 19th, 2026

3 round-trip options

Returning
Mon, Aug 24, 20265 Day Trip
$734 USD
Returning
Tue, Aug 25, 20266 Day Trip
$684 USD
Returning
Fri, Aug 28, 20269 Day Trip
$680 USD