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

Sunday, August 2nd, 2026

3 round-trip options

Returning
Fri, Aug 7, 20265 Day Trip
$858 USD
Returning
Sat, Aug 8, 20266 Day Trip
$863 USD
Returning
Tue, Aug 11, 20269 Day Trip
$800 USD