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

Monday, December 21st, 2026

4 round-trip options

Returning
Sun, Dec 27, 20266 Day Trip
$591 USD
Returning
Mon, Dec 28, 20267 Day Trip
$591 USD
Returning
Sat, Jan 2, 202712 Day Trip
$637 USD
Returning
Sun, Jan 3, 202713 Day Trip
$589 USD