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Dulles Intl

$96+ Cheap flights from Austin (AUS) 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — IAD
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheapflights Tip: The best prices from Austin Bergstrom to Washington, D.C. Dulles Intl are usually found in August or June, booked 83 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Austin to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Austin (AUS) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$213
(Kiwi.com)

One-way from

$96
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$569

Good round-trip deal

$482 or less

Good one-way deal

$244 or less
Provider with most accurate pricing for Austin Bergstrom-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Austin Bergstrom-Washington, D.C. Dulles Intl flights.
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From Austin Bergstrom to Washington, D.C. Dulles Intl
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One-way flight from Austin Bergstrom to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 12% potential increase in price ($70 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Austin Bergstrom to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Austin Bergstrom to Washington, D.C. Dulles Intl.
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Find flight deals from Austin to Dulles Intl

Cheapest flights from Austin to Dulles Intl
Explore the most affordable flight options available from Austin to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/45:58 pmAUS - IAD
1 stop21h 26mFrontier
Sun 12/75:45 amIAD - AUS
1 stop12h 28mFrontier
Deal found 11/11$213
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/79:12 pmAUS - IAD
1 stop16h 53mMultiple Airlines
Mon 12/86:58 pmIAD - AUS
2 stops18h 10mMultiple Airlines
Deal found 11/11$215
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:55 amAUS - IAD
2 stops27h 43mFrontier
Sat 1/35:15 amIAD - AUS
1 stop13h 00mFrontier
Deal found 11/11$217
This Priceline deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:23 pmAUS - IAD
1 stop5h 36mFrontier
Mon 12/16:55 amIAD - AUS
1 stop10h 33mFrontier
Deal found 11/11$218
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:19 pmAUS - IAD
2 stops28h 59mMultiple Airlines
Sun 12/712:04 pmIAD - AUS
1 stop22h 19mMultiple Airlines
Deal found 11/11$221
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/115:58 pmAUS - IAD
2 stops20h 07mMultiple Airlines
Thu 12/188:16 pmIAD - AUS
1 stop22h 32mMultiple Airlines
Deal found 11/11$222
This Kiwi.com deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/206:10 pmAUS - IAD
1 stop16h 46mFrontier
Mon 1/56:05 amIAD - AUS
1 stop12h 10mFrontier
Deal found 11/10$227
This Frontier deal was found by Cheapflights users on 11/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:23 pmAUS - IAD
1 stop5h 36mFrontier
Thu 11/276:55 amIAD - AUS
1 stop10h 17mFrontier
Deal found 11/10$232
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/219:03 amAUS - IAD
1 stop11h 00mFrontier
Wed 1/75:37 pmIAD - AUS
1 stop24h 23mFrontier
Deal found 11/11$234
This Kiwi.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:05 pmAUS - IAD
1 stop16h 33mFrontier
Mon 12/296:05 amIAD - AUS
2 stops27h 03mFrontier
Deal found 11/11$238
This Trip.com deal was found by Cheapflights users on 11/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/266:37 pmAUS - IAD
1 stop14h 40mFrontier
Mon 12/16:55 amIAD - AUS
1 stop10h 33mFrontier
Deal found 11/11$240

Cheapflights Fare Finder

 
Customize your flight search to find flights from Austin to Dulles Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
Use the filters below to find and compare flights from Austin to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Austin

Fly to

Dulles Intl

Route

Depart

Return

Price

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Wed 2/4

12:30 pm-4:26 pm

1 stop26h 56m

Washington, D.C. Dulles Intl

Sun 2/8

6:04 pm-3:54 pm

1 stop22h 50m

$375

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Tue 1/6

7:40 am-5:04 pm

2 stops32h 24m

Washington, D.C. Dulles Intl

Mon 1/12

6:04 pm-4:39 pm

2 stops23h 35m

$394

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sat 12/13

7:15 am-11:23 am

Nonstop3h 08m

Washington, D.C. Dulles Intl

Tue 12/16

5:55 pm-8:43 pm

Nonstop3h 48m

$412

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Wed 1/21

6:00 am-4:26 pm

2 stops33h 26m

Washington, D.C. Dulles Intl

Fri 1/23

6:04 pm-7:26 pm

2 stops26h 22m

$415

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Tue 3/3

4:18 pm-10:16 pm

1 stop4h 58m

Washington, D.C. Dulles Intl

Tue 3/10

5:21 pm-10:45 pm

1 stop6h 24m

$417

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Wed 12/3

10:15 am-5:30 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

Mon 12/8

5:55 pm-8:43 pm

Nonstop3h 48m

$418

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 12/11

7:15 am-4:36 pm

1 stop32h 21m

Washington, D.C. Dulles Intl

Tue 12/16

7:34 am-10:09 pm

2 stops15h 35m

$419

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sat 12/13

1:33 pm-5:30 pm

2 stops26h 57m

Washington, D.C. Dulles Intl

Mon 12/15

6:30 pm-10:09 pm

2 stops28h 39m

$424

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Wed 12/10

8:00 am-5:00 pm

1 stop8h 00m

$197

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 12/5

1:33 pm-4:36 pm

1 stop26h 03m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 16 results
1
2

Compare providers for flights from Austin to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Austin to Dulles Intl in November.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Austin-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Austin-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Austin-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Austin-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Austin-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Austin to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Austin 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 Austin to Washington, D.C. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Austin to Dulles Intl. Price data was last updated on November 7, 2025.

Booking 83 days in advance of your planned departure date is, on average, the best time to get cheap flights from Austin to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, June is the cheapest month in which you can book a flight from Austin to Washington, D.C. Dulles Intl Airport (average of $111). Flying from Austin to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $294). 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 AUS to IAD?

Find hourly flight availability from Austin 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 November 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Austin to Washington, D.C. Dulles Intl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 43% on your trip compared to booking a flight at noon.

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Austin to Washington, D.C. Dulles Intl Airport trip
Airports
AUS

Expect long lines at AUS, especially during morning rush. Plan extra time for security and check-in to avoid missing your flight.

Read more about AUSby Ramsey Qubein
IAD

Use the Silver Line Metro for a cheap, 40-minute ride to downtown D.C. from IAD, with the station just five minutes from the terminal.

Read more about IADby Ramsey Qubein
Our travel experts
Ramsey Qubein

Ramsey Qubein

Expert on IAD and AUS

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated November 13, 2025.
Get a feel of what it's like to fly with Delta, United Airlines, and American Airlines from Austin 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
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,015 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Allegiant Air
7.2
Good
698 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.8
Fair
3,114 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Comfort

7.9

Entertainment

7.9

Food

7.3

Overall

7.9

Boarding

8.1

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Austin 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 Austin to Washington, D.C. Dulles Intl?

    If you book a flight to Washington, D.C. Dulles Intl from Austin, you will be flying from Austin Bergstrom, which is the city’s only airport. Austin Bergstrom (AUS) is located 7.5 mi from the center of Austin. There are 3 flights from Austin Bergstrom to Washington, D.C. Dulles Intl per day from 5 different airlines.

  • How long is the flight from Austin to Washington, D.C. Dulles Intl Airport?

    Airlines like Alaska Airlines and United Airlines fly from Austin to Washington, D.C. Dulles Intl Airport in about 3h 08m. The time it takes to get you to your destination can typically vary by up to 23h 48m. Austin and Washington, D.C. Dulles Intl Airport are separated by a distance of 1295 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Austin to Washington, D.C. Dulles Intl Airport round-trip?

    Allegiant Air, at $100, was found to be the cheapest airline from Austin to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Frontier and American Airlines. Allegiant Air is priced at 79% lower than the current average price of a flight leaving 3 months from now.

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

    The cheapest airlines for a one-way flight from Austin to Washington, D.C. Dulles Intl Airport are Delta ($197), Alaska Airlines ($198), and United Airlines ($199).

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

    The top 3 most reliable airlines when flying from Austin to Washington, D.C. Dulles Intl Airport are ITA Airways (100%), Mesa Airlines (100%) and United Airlines (98%).

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

    On average you can expect to pay $885 for a flight from Austin to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $171 while the most popular route, (Austin Bergstrom - Washington, D.C. Dulles Intl) is currently priced at $155.

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

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

  • How can I find direct flights from Austin to Dulles Intl?

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

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

    Yes. Cheapflights offers flight deals from Austin 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 Austin to Washington, D.C. Dulles Intl Airport?

    Currently, June is the cheapest month in which you can book a flight from Austin to Washington, D.C. Dulles Intl Airport (average of $111). Flying from Austin to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $294). 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.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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Top 5 airlines flying from Austin to Dulles Intl

Discover the top 5 airlines that operate flights from Austin to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$100Average$173FlexibilityNo cancel feeOn-time88%
FrontierCheapest$130Average$201FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$236Average$454FlexibilityNo cancel feeOn-time71%
DeltaCheapest$236Average$446FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$525FlexibilityNo cancel feeOn-time69%

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