$176 Cheap Air Transat flights Montreal (YUL) to Liberia (LIR)

Finding cheap one-way Air Transat flights from YUL to LIR from $176 on Expedia is a cinch — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $337 for your next adventure.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Snagging the best Air Transat deals from YUL to LIR is typically all about timing. You can save 17% on international flights when you book 18 to 29 days before takeoff instead of four to five months ahead. What's more, you can pocket 17% on average by buying your tickets on a Sunday rather than a Friday, which is usually the most expensive day to book.* It's smart to kick off your flight search about one month before you want to travel.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.

The earliest Air Transat flight from YUL to LIR takes off at 10:00AM UTC-5, touching down at 3:00PM UTC-6. If you prefer to head off later in the day, the last Air Transat flight leaves YUL at 11:00AM UTC-5 and touches down at LIR at 4:00PM UTC-6. Flying before noon is often a good option as morning flights are less likely to experience cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.

Traveling from YUL to LIR with Air Transat comes with a host of benefits, such as an excellent in-flight experience and top-tier customer service. Plus, when you book through Expedia, One Key™ members can collect OneKeyCash™* to spend on select future travel purchases. That's in addition to the Star Rewards points you can earn with Air Transat.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.