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

Sunday, August 9th, 2026

3 round-trip options

Returning
Fri, Aug 14, 20265 Day Trip
$1,074 USD
Returning
Sat, Aug 15, 20266 Day Trip
$1,045 USD
Returning
Tue, Aug 18, 20269 Day Trip
$898 USD