$100 Cheap Delta flights Raleigh (RDU) to Buffalo (BUF)

Scoring cheap one-way Delta Air Lines flights from RDU to BUF from $100 on Expedia is simple — just filter by “Price (lowest to highest).” Alternatively, check out our budget-friendly return fares from $199 for your next exciting getaway.**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 tend to be cheaper in the low-season months of January and February. Whether you’re searching for a one-way or round-trip ticket, you could land a better deal then.

For cheap Delta Air Lines fares from Raleigh - Durham Intl. Airport (RDU) to Buffalo Niagara Intl. Airport (BUF), start searching one to three months before your intended 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 the overall cost. Sunday is typically the cheapest, while Monday is often the most expensive for domestic flights. You can save 6% on average by booking 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.

Enter your dates, hit search and select the “Nonstop” filter on Expedia to browse any direct flights from RDU to BUF with Delta Air Lines or other airlines.

To find the earliest departures from RDU to BUF with Delta Air Lines, filter your results by “Early Morning” and “Morning.” Booking an early flight generally means you’ll experience fewer 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.

Buffalo Niagara Intl. Airport (BUF) is the primary Buffalo gateway for Delta Air Lines flights from Raleigh - Durham Intl. Airport (RDU).

With a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a favorite for many travelers flying from RDU to BUF. What’s more, if you’re a Delta SkyMiles and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights on top of your airline miles, which you can put toward future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

It’s usually possible to change or cancel your flight, although there may be additional charges if you booked over 24 hours ago. Want to keep your options open? Make use of Expedia’s “Changes included” or “No cancel fee” filter to find flights that won’t charge you extra if you need to revise your plans. To update your itinerary, head to “Trips,” select your flight and click on “Manage Booking” for more details.