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

Sunday, October 4th, 2026

4 round-trip options

Returning
Sat, Oct 10, 20266 Day Trip
$694 USD
Returning
Sun, Oct 11, 20267 Day Trip
$686 USD
Returning
Thu, Oct 15, 202611 Day Trip
$742 USD
Returning
Fri, Oct 16, 202612 Day Trip
$776 USD