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

Monday, August 3rd, 2026

3 round-trip options

Returning
Sat, Aug 8, 20265 Day Trip
$827 USD
Returning
Sun, Aug 9, 20266 Day Trip
$772 USD
Returning
Wed, Aug 12, 20269 Day Trip
$764 USD