Cheap Flights from ATL to IAD: When to Fly from Atlanta to Washington

The cheapest times to fly from ATL to IAD are

• August 13th to February 25th (except the weeks of November 19th and February 5th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ATL to IAD is early December. Prices can be as high as $598 for Sunday flights during late March, or as low as $177 for Tuesday flights around early December.

When to Fly to Washington

Flying from Atlanta, GA (ATL) to Washington, DC (IAD) will usually cost between $177 to $346 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early December with an average ticket price of $216. Due to high demand the most expensive time to fly is late March, with an average price of $366. Planning your trip to low-cost times can easily save you $149 on economy flights and even more on first-class flights. Generally, any price below $280 can be considered a good price for a round-trip ATL to IAD flight.

See below for a graph of average weekly prices for the ATL to IAD route. All prices are for round-trip tickets in USD.

Compared to other flights, the ATL to IAD flight is much cheaper than the average and costs much less than the average flight leaving from Atlanta. The average price per mile (for a direct flight) is $0.33, which is in the normal range for a flight.

Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $57 (19%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $249. Return trip prices are from the IAD to ATL flight, and often highlight the quality of our data in showing the same trend.

Nonstop Flights and Layovers

Travelers looking to fly from ATL to IAD can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 57 minutes may be realistic.

Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is a nonstop flight from ATL to IAD while comparing.

Flight Questions Answered

Still have questions about flying from ATL to IAD? We’ve got answers.

Which airlines fly this route?

You can find 7 major airlines flying this route most often: American, China Eastern, Delta, Frontier, Qantas, Southwest, United, and potentially more during busy seasons.

How far away is it from Washington Dulles International Airport to Hartsfield-Jackson Atlanta International Airport?

The distance between the two airports is roughly 534 miles or 859 kilometers.

How long does it take to fly from ATL to IAD?

The real-world flight time for a nonstop ATL to IAD flight is about 1 hour 57 minutes.

How many flights go between Atlanta, GA and Washington, DC?

It depends on the day of the week and the date, but a typical day might have around 40 available flights from ATL to IAD.

Airport Location Info

Late and Early Flight Data

Flights from ATL to IAD tend to depart as late as the average flight. According to our recently updated data, 29% of flights departed 5 or more minutes late, and 12% of flights left 5 or more minutes early. On average you can expect to leave IAD heading for ATL about 14 minutes late. This does significantly impact arrival time, as the average landing time in Washington, DC is about 7 minutes late. The numbers below show a recent average of take-off times versus the scheduled departure flight:

• Southwest: 19 minutes late
• Delta: 13 minutes late
• United: 10 minutes late
• Mesa: 13 minutes late
• Some airlines not reporting

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.