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Flights from Atlanta (ATL) to Washington, D.C. (IAD)
Explore Washington, D.C. (Dulles) and see what the capital of the U.S. has to offer.
Book flights from Atlanta to Washington, D.C. (Dulles) with Southwest Airlines®. It’s easy to find the Hartsfield-Jackson Atlanta International Airport to Washington Dulles International Airport flight to make your booking and travel a breeze. Whether you’re traveling for business or pleasure, solo or with the whole family, you’ll enjoy flying Southwest®. Have flexible travel dates? Plug them into the Low Fare Calendar and see the lowest fares available within your travel window. You may also want to browse Southwest Vacations® to see special offers and package deals on flights, hotels, rental cars, and more.
Explore your options and book your Atlanta to Washington, D.C. (Dulles) flight with Southwest today!
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Best Airline in the U.S. and North America & Best Economy Class and Low Cost Airline in North America.
During the ongoing COVID-19 pandemic, the availability, health and safety procedures, operations, and schedules for local attractions are changing constantly. Please contact attractions directly for hours of operation, potential temperature screenings, and other possible health and safety procedures and restrictions. Visit our COVID-19 Travel Information page for information about potential restrictions on air travel.
Flight details
Departing from
Hartsfield-Jackson Atlanta International Airport (ATL)
†Weekly flights based on DOT published scheduled average flights Monday through Sunday between 10/1/2021 and 10/31/2021. Note: route may not operate every day of the week.
‡Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 10/1/2021 and 10/31/2021.
Travel tips
Infancy policy
One child over 14 days and under two (2) years of age, not occupying a seat, may be carried free of charge when traveling with an adult (12 years of age or older). Learn more.
Pet policy
Customers flying with a pet are subject to a pet fare. To learn more about traveling with your furry friend, explore the Southwest® pet policy.
Unaccompanied minor
Minors under the age of 18 are not permitted to fly unaccompanied on international flights or any itinerary that includes an international flight. Learn more.
Bags fly free®1
Start packing! Every ticketed Customer’s first two checked bags are free. Learn more.
The Southwest travel experience
Washington Dulles International Airport will bring you within 26 miles of downtown Washington, D.C. and your next adventure.
At Southwest, we know it takes more than great deals on Washington, D.C. (Dulles) airfares and convenient scheduling options to make your trip memorable. So from booking to boarding, we offer services and features designed to make your travel from Atlanta to Washington, D.C. (Dulles) the best it can be. Learn more about the Southwest® travel experience before you book your flight from Hartsfield-Jackson Atlanta International Airport to Washington Dulles International Airport.
Flying with Southwest is simple and fun, no matter which of our dozens of exciting destinations you choose. When you search for your next flight to Washington, D.C. (Dulles), know that you won’t be surprised at checkout. Low fares and no hidden fees. That's Transfarency®. And as always, two bags fly free®1. Want the latest news, information, and promotional offers from Southwest? Sign up to receive email from us. Looking for tours, activities, and more hidden gems to add to your Washington, D.C. (Dulles) adventure? Explore getaways with Southwest®. Book your flight today and know that you'll earn Rapid Rewards® points when you fly.
1First and second checked bags. Weight and size limits apply.
2Fare difference may apply.
Questions we hear the most
The average flight time from Atlanta to Washington, D.C. (Dulles) is 1 hour 42 minutes.
There are 35 weekly flights from Atlanta to Washington, D.C. (Dulles) on Southwest Airlines.
Yes, Southwest flies nonstop from Atlanta to Washington, D.C. (Dulles) once per day from Monday through Friday.
Yes, Southwest flies nonstop from Atlanta to Washington, D.C. (Dulles) once per day on Saturdays and Sundays.
To find the lowest fares by day and time to fly Atlanta to Washington, D.C. (Dulles) with Southwest, check out our Low Fare Calendar.
Yes! Flights from Atlanta to Washington, D.C. (Dulles)—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.