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

Monday, September 21st, 2026

4 round-trip options

Returning
Sun, Sep 27, 20266 Day Trip
$534 USD
Returning
Mon, Sep 28, 20267 Day Trip
$526 USD
Returning
Fri, Oct 2, 202611 Day Trip
$562 USD
Returning
Sat, Oct 3, 202612 Day Trip
$534 USD