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

Monday, September 28th, 2026

4 round-trip options

Returning
Sun, Oct 4, 20266 Day Trip
$551 USD
Returning
Mon, Oct 5, 20267 Day Trip
$566 USD
Returning
Fri, Oct 9, 202611 Day Trip
$597 USD
Returning
Sat, Oct 10, 202612 Day Trip
$566 USD