$69 Cheap United flights Atlanta (ATL) to Washington (IAD)

View $69 flight on Wed, Aug 13, 2025Opens in a new window

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$69 Cheap United flights Atlanta (ATL) to Washington (IAD)

Prices were available within the past 7 days and start at $69 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Aug 13 - Sat, Aug 16
ATL
Atlanta
IAD
Washington
$137 Roundtrip, just found
$137
Roundtrip
just found
Select United flight, departing Wed, Aug 13 from Atlanta to Washington, returning Sat, Aug 16, priced at $137 just found
United
Wed, Sep 17 - Fri, Sep 19
ATL
Atlanta
IAD
Washington
$143 Roundtrip, found 4 hours ago
$143
Roundtrip
found 4 hours ago
Select United flight, departing Wed, Sep 17 from Atlanta to Washington, returning Fri, Sep 19, priced at $143 found 4 hours ago
United
Mon, Aug 18 - Thu, Aug 21
ATL
Atlanta
IAD
Washington
$144 Roundtrip, found 1 hour ago
$144
Roundtrip
found 1 hour ago
Select United flight, departing Mon, Aug 18 from Atlanta to Washington, returning Thu, Aug 21, priced at $144 found 1 hour ago
United
Thu, Aug 28 - Thu, Sep 4
ATL
Atlanta
IAD
Washington
$145 Roundtrip, found 1 hour ago
$145
Roundtrip
found 1 hour ago
Select United flight, departing Thu, Aug 28 from Atlanta to Washington, returning Thu, Sep 4, priced at $145 found 1 hour ago
United
Wed, Aug 13 - Sun, Aug 17
ATL
Atlanta
IAD
Washington
$147 Roundtrip, just found
$147
Roundtrip
just found
Select United flight, departing Wed, Aug 13 from Atlanta to Washington, returning Sun, Aug 17, priced at $147 just found
Flights from Atlanta (ATL) to Washington (IAD)
Origin airport
Hartsfield-Jackson Atlanta Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Popular airline
Frontier Airlines
Distance
534 mi
Average flight time
1 hour 47 mins

Frequently asked questions

How much is a United Airlines flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD)?
Finding cheap one-way United Airlines flights from ATL to IAD from $69 on Expedia is easy --- just filter by "Price (lowest to highest)." Alternatively, check out our affordable round-trip fares from $137 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.
What is the cheapest month to fly from ATL to IAD with United Airlines?
January is one of the least expensive months to get away to Washington with United Airlines. You could also find great deals on one-way and return tickets in February.
What is the cheapest time to book flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD) with United Airlines?
Start searching one to three months ahead of your travel date to get cheap fares on United Airlines 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 cut 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 trips.*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.
Does United Airlines fly nonstop from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD)?
You can easily fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD) on any of United Airlines's 21 direct weekly flights. Make use of our "Nonstop" and "Airline" filters to find the United Airlines flight that'll arrive at IAD at your preferred time.
How long does it take to fly from ATL to IAD with United Airlines?
Leave Hartsfield-Jackson Atlanta Intl. Airport (ATL) for Washington Dulles Intl. Airport (IAD) on a nonstop United Airlines flight, and you'll be in the sky for about 1h 47m.
Which day of the week has the most United Airlines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD)?
Thursday has the most United Airlines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD). With 3 daily departures, this is a great day to book something that will fit your plans.
What is the earliest United Airlines flight from ATL to IAD?
The earliest flight from ATL to IAD with United Airlines departs at 9:25AM UTC-5. You'll land at 11:12AM UTC-5. The last United Airlines flight of the day leaves at 7:36PM UTC-5 and arrives at 9:24PM UTC-5. With approximately 20% fewer cancellations for morning and mid-morning departures, beginning your travel day early is generally the smartest choice.**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.
What airports does United Airlines fly into in Washington?
Washington Dulles Intl. Airport (IAD) is the main Washington gateway for United Airlines flights from Hartsfield-Jackson Atlanta Intl. Airport (ATL). Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) are two other options. When planning your trip with Expedia, choose the "All Airports" option for your destination to see all available choices.
Why fly with United Airlines from ATL to IAD?
Offering a rewarding loyalty program, United Airlines is a top choice for many travelers journeying from ATL to IAD. Plus, if you're a United Mileage Plus and One Key™ member booking through Expedia, you could earn OneKeyCash™* on eligible flights along with your airline miles.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD)?
You'll likely be on a Boeing 737-800 or an Airbus A319 when flying United Airlines from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD). However, keep in mind that a different aircraft may be used depending on operational factors.
Can I change or cancel my United Airlines flight from Hartsfield-Jackson Atlanta Intl. Airport (ATL) to Washington Dulles Intl. Airport (IAD)?
Changes are generally free within 24 hours of booking, but your airline may add a charge after that time. For more details about altering your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you want the flexibility to update your itinerary without extra charges, apply the "Changes included" and "No cancel fee" filters when planning your next break.

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