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

Landing cheap one-way Delta Air Lines flights from IAH to BUF from $119 on Expedia is a breeze — just filter by “Price (lowest to highest).” Or check out our budget-friendly round-trip fares from $220 for your next break.**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 Buffalo are often cheaper in the low-season months of January and February. Whether you need a return or one-way ticket, you could score a better deal then.

For cheap Delta Air Lines fares from George Bush Intercontinental Airport (IAH) to Buffalo Niagara Intl. Airport (BUF), start searching one to three months before your planned departure. Reserving domestic flights 34 to 86 days in advance could save you 25% compared to booking just 6 to 12 days ahead. The day you book can also impact what you pay. Sunday tends to be the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by choosing to book on a Sunday.**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.

Use our “Nonstop” filter when browsing for direct Delta Air Lines flights from IAH to BUF. You can also compare other carriers servicing the same direct route.

Find Delta Air Lines’s earliest flights from IAH to BUF by checking our “Early Morning” and “Morning” filters. Not only will you arrive at your destination sooner, early departures are also 20% less likely to be canceled.**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.

Take a Delta Air Lines flight from George Bush Intercontinental Airport (IAH) to Buffalo, and you’ll likely land at Buffalo Niagara Intl. Airport (BUF). This is the airline’s main hub here.

Delta Air Lines makes flying from IAH to BUF more enjoyable with a rewarding loyalty program and an excellent in-flight experience. You may even earn points with Delta SkyMiles. Be sure to join our 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.

Typically, you can change or cancel your flight, although additional charges may apply if your booking was made over 24 hours ago. Prefer to keep your options open? Make use of our “Changes included” and “No cancel fee” filters to find flights that won’t penalize you if you have to alter your plans. To modify your booking, head to “Trips,” select your flight and click on “Manage Booking” for further information.