$79 Cheap Delta flights Atlanta (ATL) to Washington (IAD)

Scoring cheap one-way Delta Air Lines flights from ATL to IAD from $79 on Expedia couldn’t be easier — just filter by “Price (lowest to highest).” Or check out our affordable round-trip fares from $134 for your next adventure.**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.

Look for one-way or round-trip flights to Washington in January or February. You could find cheaper fares with Delta Air Lines during these off-peak months.

Begin your search one to three months ahead of your travel date to find cheap fares on Delta Air Lines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD). You can save 25% by booking your domestic flight 34 to 86 days in advance versus 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.* Nail your timing, 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.

Skip the layovers and fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD) on one of Delta Air Lines’s 38 weekly direct flights. Use Expedia’s “Nonstop” and “Airline” filters to find the Delta Air Lines flight that’ll take you to IAD at a time that suits you.

It takes approximately 1h 41m to travel nonstop from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD) with Delta Air Lines.

Delta Air Lines has the most flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD) on Saturday. With up to 6 daily departures, you’ll get the most flexibility on this day.

Jetting off from ATL at 7:25AM UTC-5, the first Delta Air Lines flight to IAD lands at 9:08AM UTC-5. Traveling early means you’ll be less likely to encounter delays.* Prefer to travel later? The last Delta Air Lines flight from ATL to IAD departs at 10:40PM UTC-5 and touches down at 12:22AM UTC-5.*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.

When flying from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington with Delta Air Lines, you’ll most likely arrive at Washington Dulles Intl. Airport (IAD). This is the airline’s main hub here. Other nearby airports like Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) may offer lower airfares, so it’s a smart idea to check out all available options on Expedia.

Flying from ATL to IAD with Delta Air Lines comes with a variety of perks, such as an excellent in-flight experience and a rewarding loyalty program. Plus, when booking through Expedia, One Key™ members can earn OneKeyCash™* to use 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.

For the Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD) route, Delta Air Lines typically uses Airbus A220-300 and Airbus A320 planes. Remember that last-minute changes can occur for operational demands, meaning your flight may be on a different aircraft.

Depending on the ticket type you purchased, a fee typically applies if you cancel or reschedule your booking more than 24 hours after it has been confirmed. To find flexible fares, select our “No cancel fee” or “Changes included” filter when you search for flights. To learn more about canceling or changing your reservation, visit “Trips,” select your flight and tick “Manage Booking.”