$119 Cheap Delta flights Buffalo (BUF) to Houston (IAH)

Set the “Price (lowest to highest)” filter on Expedia to find cheap Delta Air Lines round-trip flights from $237 from BUF to IAH. Affordable one-way tickets from $119 are available too.**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.

Delta Air Lines flights to Houston are often more affordable in the off-peak months of November and February. Whether you’re after a one-way or round-trip ticket, you could find a better deal then.

Search for cheap Delta Air Lines flights from Buffalo Niagara Intl. Airport (BUF) to George Bush Intercontinental Airport (IAH) one to three months ahead of your day of departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare class and journey, the ideal day to book a domestic flight is usually Sunday and the most expensive tends to be Monday. Passengers who book on a Sunday can save 6% on average compared to those who book on a Monday.**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.

Enter your dates, press search and use the “Nonstop” filter on Expedia to browse any direct flights from BUF to IAH with Delta Air Lines or other carriers.

To find the earliest departures from BUF to IAH with Delta Air Lines, sort your results by “Early Morning” and “Morning.” Choosing an early flight usually means cancellations are less likely.**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.

George Bush Intercontinental Airport (IAH) is the main Houston gateway for Delta Air Lines flights from Buffalo Niagara Intl. Airport (BUF).

Jetting off from BUF to IAH with Delta Air Lines means enjoying a host of perks, such as a rewarding loyalty program and an excellent in-flight experience. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to spend on select future travel purchases. That’s in addition to the Delta SkyMiles points you can earn with Delta Air Lines.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are typically free within 24 hours of making a booking, but your airline may add a charge after that. For further details about modifying your flights, go to your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to adjust your plans without extra charges, apply the “Changes included” and “No cancel fee” filters when organizing your next escape.