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

Sunday, August 23rd, 2026

3 round-trip options

Returning
Fri, Aug 28, 20265 Day Trip
$906 USD
Returning
Sat, Aug 29, 20266 Day Trip
$855 USD
Returning
Tue, Sep 1, 20269 Day Trip
$913 USD