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

Wednesday, August 26th, 2026

3 round-trip options

Returning
Mon, Aug 31, 20265 Day Trip
$596 USD
Returning
Tue, Sep 1, 20266 Day Trip
$575 USD
Returning
Fri, Sep 4, 20269 Day Trip
$635 USD