What is the cheapest airline to fly from Atlanta to Washington, D.C. Dulles Intl Airport round-trip?

Cheapflights users have booked flights from Atlanta to Washington, D.C. Dulles Intl Airport round-trip from $87. Frontier is currently priced 54% below the average price you’ll pay for this route.

What are the cheapest airlines to fly from Atlanta to Washington, D.C. Dulles Intl Airport one-way?

To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $51. Delta flights start at $69 while deals on United Airlines start at $114 one-way.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What are the cheapest flights from Atlanta to Washington, D.C. Dulles Intl Airport?

The cheapest flight price from Atlanta to Washington, D.C. Dulles Intl Airport is $69. On average you can expect to pay $1,878. The most popular route, (Atlanta Hartsfield-Jackson - Washington, D.C. Dulles Intl), can usually be booked for $79.

What are the most reliable airlines from Atlanta to Washington, D.C. Dulles Intl Airport?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Atlanta to Washington, D.C. Dulles Intl Airport on time: Republic Airways (96%), ANA (90%), Ethiopian Air (85%).

What are the most popular airlines that fly from Atlanta to Washington, D.C. Dulles Intl Airport?

Consider Delta, Frontier or Spirit Airlines when booking your flight. These represent the most popular airlines when flying from Atlanta to Washington, D.C. Dulles Intl Airport.

What is the cheapest day to fly round-trip from Atlanta to Washington, D.C. Dulles Intl Airport?

Flights from Atlanta to Washington, D.C. Dulles Intl Airport are found to be more expensive on Tuesday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Washington, D.C. Dulles Intl Airport.

What is the cheapest month to fly from Atlanta to Washington, D.C. Dulles Intl Airport?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, February can be a great choice for travel to Washington, D.C. Dulles Intl Airport. Flights to Washington, D.C. Dulles Intl Airport from Atlanta in February are about $161 on average during February, but can be found for as low as $46.

What airport do you fly from for flights from Atlanta to Washington, D.C. Dulles Intl?

Most people fly from Atlanta Hartsfield-Jackson (ATL) if they book a flight from Atlanta to Washington, D.C. Dulles Intl. On average, Hartsfield-Jackson has 30 outbound flights to Washington, D.C. Dulles Intl per day from 4 airlines. Atlanta Hartsfield-Jackson is conveniently located just 8.2 mi from Atlanta’s city center.

Can I find deals for flights from Atlanta to Dulles Intl that include hotel bookings?

Yes. In addition to deals on Atlanta to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Atlanta to Dulles Intl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to Dulles Intl.

Can I find deals for business class flights from Atlanta to Dulles Intl?

Yes. Cheapflights offers flight deals from Atlanta to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$51+ Flights from Atlanta to Washington, D.C. Dulles Intl Airport

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Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl are usually found in February or January, booked 89 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Atlanta to Dulles Intl

Round-trip from	$87 (FlightHub)
One-way from	$51 (CheapOair)
Popular in	October
Cheapest in	February
Average price	$209
Good round-trip deal	$185 or less
Good one-way deal	$107 or less

From Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl

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One-way flight from Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 17% potential increase in price ($39 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl.

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Find flight deals from Atlanta to Dulles Intl

Cheapest flights from Atlanta to Dulles Intl
Explore the most affordable flight options available from Atlanta to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

vie. 7/2512:00 pmATL - IAD

Nonstop1h 49mFrontier

lun. 7/282:44 pmIAD - ATL

Nonstop1h 57mFrontier

Deal found 7/2

$87

Best flights from Atlanta to Dulles Intl
Discover carefully curated flight deals from Atlanta to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 3, 2025.

vie. 7/2512:00 pmATL - IAD

Nonstop1h 49mFrontier

lun. 7/282:44 pmIAD - ATL

Nonstop1h 57mFrontier

Deal found 7/2

$87

Last-minute flights from Atlanta to Dulles Intl
Discover last-minute flight deals from Atlanta to Dulles Intl. Data last updated julio 3, 2025 and is based on user searches.

mar. 7/810:23 pmATL - IAD

Nonstop1h 49mFrontier

mié. 7/166:10 amIAD - ATL

Nonstop1h 57mFrontier

Deal found 7/1

$87

vie. 7/2512:00 pmATL - IAD

Nonstop1h 49mFrontier

lun. 7/282:44 pmIAD - ATL

Nonstop1h 57mFrontier

Deal found 7/2

$87

One-way flights from Atlanta to Dulles Intl
Search for one-way flight options from Atlanta to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated julio 3, 2025.

vie. 9/510:20 pmATL - IAD

Nonstop1h 46mFrontier

Deal found 7/3

$51

sáb. 9/139:35 pmATL - IAD

Nonstop1h 42mDelta

Deal found 6/30

$69

lun. 8/49:20 amATL - IAD

Nonstop1h 53mUnited Airlines

Deal found 7/1

$114

Cheapflights Fare Finder

Use the filters below to find and compare flights from Atlanta to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

AtlantaWashington, D.C.

ATL - IAD

ATLIAD

Atlanta Hartsfield-Jackson

vie. 7/25

12:00 pm-1:49 pm

Nonstop1h 49m

Washington, D.C. Dulles Intl

lun. 7/28

2:44 pm-4:41 pm

Nonstop1h 57m

$87

AtlantaWashington, D.C.

ATL - IAD

ATLIAD

Atlanta Hartsfield-Jackson

vie. 9/5

10:20 pm-12:06 am

Nonstop1h 46m

$51

AtlantaWashington, D.C.

ATL - IAD

ATLIAD

Atlanta Hartsfield-Jackson

vie. 8/15

10:34 pm-12:21 am

Nonstop1h 47m

$79

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

The best insider tips for Atlanta to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Atlanta to Washington, D.C. Dulles Intl Airport trip

Airlines

Frontier

Frontier's UpFront Plus seats offer a guaranteed empty middle seat for extra comfort.

For early morning flights, Frontier has a better chance of on-time departures.

Read more about Frontierby Marisa Garcia

United Airlines

United's Economy Plus offers extra legroom seats towards the front of the economy cabin.

United's Polaris Lounges at IAD offer showers, napping areas, and dining options.

Read more about United Airlinesby Harriet Baskas

Airports

ATL

For faster security at ATL, try the South security area, often quicker than the main one.

IAD

Use the Silver Line Metro to reach downtown D.C. from IAD in under 40 minutes, a cost-effective option.

Our travel experts

Marisa Garcia

Expert on Frontier

Harriet Baskas

Expert on United Airlines

Chris Dong

Expert on ATL

Ramsey Qubein

Expert on IAD

Best time to book a flight from Atlanta to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Atlanta with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Atlanta to Washington, D.C. Dulles Intl Airport?

To ensure you get the cheapest price possible for a flight from Atlanta to Washington, D.C. Dulles Intl Airport, you should look to book at least 89 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Atlanta to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Atlanta to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Atlanta to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from ATL to IAD?

When flying from Atlanta to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 83% versus a flight at noon.

What is the cheapest day to fly from Atlanta to Washington, D.C. Dulles Intl Airport?

Travelers seeking maximum savings on their Atlanta to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Atlanta to Washington, D.C. Dulles Intl Airport

The most flights from ATL to IAD are scheduled on a Monday (42 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Delta, United Airlines, and Frontier from Atlanta to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Delta

8.0

Very good

7,970 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

United Airlines

7.4

Good

8,845 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Frontier

5.9

Fair

3,284 reviews

Delta

8.0

Very good

7,970 reviews

Reviews

1 / 20

10.0

Excellent

Lucy,Nov 2023

ATL - JFK

On time flights; courteous staff; efficient boarding system! Thank you!

Related info for your journey

What airport do you fly from for flights from Atlanta to Washington, D.C. Dulles Intl?
Most people fly from Atlanta Hartsfield-Jackson (ATL) if they book a flight from Atlanta to Washington, D.C. Dulles Intl. On average, Hartsfield-Jackson has 30 outbound flights to Washington, D.C. Dulles Intl per day from 4 airlines. Atlanta Hartsfield-Jackson is conveniently located just 8.2 mi from Atlanta’s city center.
What is the cheapest airline to fly from Atlanta to Washington, D.C. Dulles Intl Airport round-trip?
Cheapflights users have booked flights from Atlanta to Washington, D.C. Dulles Intl Airport round-trip from $87. Frontier is currently priced 54% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Atlanta to Washington, D.C. Dulles Intl Airport one-way?
To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $51. Delta flights start at $69 while deals on United Airlines start at $114 one-way.
What are the most reliable airlines from Atlanta to Washington, D.C. Dulles Intl Airport?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Atlanta to Washington, D.C. Dulles Intl Airport on time: Republic Airways (96%), ANA (90%), Ethiopian Air (85%).
What are the cheapest flights from Atlanta to Washington, D.C. Dulles Intl Airport?
The cheapest flight price from Atlanta to Washington, D.C. Dulles Intl Airport is $69. On average you can expect to pay $1,878. The most popular route, (Atlanta Hartsfield-Jackson - Washington, D.C. Dulles Intl), can usually be booked for $79.
Can I find deals for flights from Atlanta to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Atlanta to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Atlanta to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Atlanta to Dulles Intl.
Can I find deals for business class flights from Atlanta to Dulles Intl?
Yes. Cheapflights offers flight deals from Atlanta to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Atlanta to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Atlanta to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Atlanta to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Top 4 airlines flying from Atlanta to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$36	Average$109	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$55	Average$128	FlexibilityNo cancel fee	On-time62%
Delta	Cheapest$111	Average$242	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$145	Average$258	FlexibilityNo cancel fee	On-time69%

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$51+ Cheap flights from Atlanta (ATL) to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/5. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Atlanta to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Atlanta Hartsfield-Jackson to Washington, D.C. Dulles Intl are usually found in February or January, booked 89 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Atlanta to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Atlanta to Dulles Intl

Cheapest flights from Atlanta to Dulles IntlExplore the most affordable flight options available from Atlanta to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Explore the most affordable flight options available from Atlanta to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Atlanta to Washington, D.C. Dulles Intl Airport that are best for you.

The best insider tips for Atlanta to Washington, D.C. Dulles Intl Airport flights

Cheapflights partnered with top experts to bring you the best recommendations for your Atlanta to Washington, D.C. Dulles Intl Airport trip

Airlines

Frontier

United Airlines

Airports

ATL

IAD

Our travel experts

Best time to book a flight from Atlanta to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Atlanta with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Atlanta to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Atlanta to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Atlanta to Dulles Intl. Price data was last updated on June 27, 2025.

What is the cheapest month to book a flight from Atlanta to Washington, D.C. Dulles Intl Airport?

What is the cheapest time of day to fly from ATL to IAD?

Find hourly flight availability from Atlanta to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated julio 3, 2025.

What is the cheapest day to fly from Atlanta to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Atlanta to Dulles Intl. Price data was last updated on June 29, 2025.

Weekly flight availability from Atlanta to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Atlanta to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 3, 2025.

Reviews of airlines servicing Dulles Intl

Get a feel of what it's like to fly with Delta, United Airlines, and Frontier from Atlanta to Washington, D.C. Dulles Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Atlanta to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Atlanta to Washington, D.C. Dulles Intl?

What is the cheapest airline to fly from Atlanta to Washington, D.C. Dulles Intl Airport round-trip?

What are the cheapest airlines to fly from Atlanta to Washington, D.C. Dulles Intl Airport one-way?

What are the most reliable airlines from Atlanta to Washington, D.C. Dulles Intl Airport?

What are the cheapest flights from Atlanta to Washington, D.C. Dulles Intl Airport?

Can I find deals for flights from Atlanta to Dulles Intl that include hotel bookings?

How can I find direct flights from Atlanta to Dulles Intl?

Can I find deals for business class flights from Atlanta to Dulles Intl?

What is the cheapest month to book a flight from Atlanta to Washington, D.C. Dulles Intl Airport?

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Alternative routes for Atlanta to Dulles Intl

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Top 4 airlines flying from Atlanta to Dulles Intl

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Cheapest flights from Atlanta to Dulles Intl
Explore the most affordable flight options available from Atlanta to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.