$259 Cheap Air Canada flights Houston (IAH) to Montreal (YUL)

Finding cheap one-way Air Canada flights from IAH to YUL from $259 on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $493 for your next exciting vacation.**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.

Start your search for Air Canada flights from IAH to YUL about one month before you want to leave. The most affordable time to book an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your ticket type or itinerary, the best day of the week to book international airfare is usually Sunday. Friday is often the most expensive. Passengers booking on a Sunday can save 17% on average compared to those who book on a Friday.**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 Canada flight from IAH to YUL takes off at 9:30AM UTC-6, touching down at 2:16PM UTC-5. If you prefer to head off later, the last Air Canada flight leaves IAH at 9:30AM UTC-6 and touches down at YUL at 2:16PM UTC-5. Flying before midday is often a smart choice as morning and mid-morning flights are least likely to face 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.

Air Canada makes flying from IAH to YUL more comfortable with a 4-star airline rating and an excellent in-flight experience. You may even earn points with Air Canada Aeroplan. Be sure to sign up to Expedia's free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.