$143 Cheap Delta flights Raleigh (RDU) to Atlanta (ATL)

Landing cheap one-way Delta Air Lines flights from RDU to ATL from $143 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly round-trip fares from $179 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.

Start searching one to three months ahead of your travel date to get cheaper fares on Delta Air Lines flights from Raleigh - Durham Intl. Airport (RDU) to Hartsfield-Jackson Atlanta Intl. Airport (ATL). You can save 25% by booking your domestic flight 34 to 86 days in advance compared to last-minute reservations made 6 to 12 days out. You could also reduce costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Time it well, and you can enjoy significant savings on domestic flights.*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 Delta Air Lines flight from RDU to ATL departs at 5:50AM UTC-5, touching down at 7:27AM UTC-5. If you want to set off later in the day, the last Delta Air Lines flight leaves RDU at 8:10PM UTC-5 and touches down at ATL at 9:50PM UTC-5. Flying before midday is generally a good option as morning flights are 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.

Offering a rewarding loyalty program and an excellent in-flight experience, Delta Air Lines is a popular option for many passengers heading from RDU to ATL. Also, 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 can be used on future travel.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.