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

Sunday, September 27th, 2026

4 round-trip options

Returning
Sat, Oct 3, 20266 Day Trip
$614 USD
Returning
Sun, Oct 4, 20267 Day Trip
$606 USD
Returning
Thu, Oct 8, 202611 Day Trip
$606 USD
Returning
Fri, Oct 9, 202612 Day Trip
$649 USD