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

Monday, August 24th, 2026

3 round-trip options

Returning
Sat, Aug 29, 20265 Day Trip
$750 USD
Returning
Sun, Aug 30, 20266 Day Trip
$649 USD
Returning
Wed, Sep 2, 20269 Day Trip
$675 USD