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Dulles Intl

$100+ 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 1/24. Fares are subject to change and may not be available on all flights or dates of travel.
AUS — IAD
dic. 24 — dic. 311
mié. 12/24
mié. 12/31
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 noviembre 24, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$266
(Kiwi.com)

One-way from

$100
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$560

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. 13% potential increase in price ($73 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 noviembre 24, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/21. 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.
lun. 12/226:10 pmAUS - IAD
1 stop16h 28mFrontier
mié. 12/316:05 amIAD - AUS
1 stop11h 51mFrontier
Deal found 11/21$266
This Kiwi.com deal was found by Cheapflights users on 11/22. 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.
jue. 12/45:58 pmAUS - IAD
1 stop21h 26mMultiple Airlines
sáb. 12/65:45 amIAD - AUS
2 stops17h 36mMultiple Airlines
Deal found 11/22$267
This Kiwi.com deal was found by Cheapflights users on 11/21. 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.
lun. 12/156:08 pmAUS - IAD
1 stop19h 21mFrontier
vie. 1/26:05 amIAD - AUS
1 stop12h 05mFrontier
Deal found 11/21$268
This Kiwi.com deal was found by Cheapflights users on 11/23. 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.
mié. 12/245:30 amAUS - IAD
2 stops29h 08mMultiple Airlines
jue. 1/17:11 pmIAD - AUS
1 stop22h 59mMultiple Airlines
Deal found 11/23$272
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
vie. 12/56:00 amAUS - IAD
1 stop13h 24mMultiple Airlines
sáb. 12/69:20 pmIAD - AUS
1 stop13h 23mMultiple Airlines
Deal found 11/24$273
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
jue. 12/45:58 pmAUS - IAD
1 stop21h 26mMultiple Airlines
lun. 12/86:58 pmIAD - AUS
2 stops28h 23mMultiple Airlines
Deal found 11/24$274
This Kiwi.com deal was found by Cheapflights users on 11/23. 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.
vie. 12/56:08 pmAUS - IAD
2 stops25h 16mMultiple Airlines
vie. 12/129:20 pmIAD - AUS
1 stop25h 25mMultiple Airlines
Deal found 11/23$275
This Kiwi.com deal was found by Cheapflights users on 11/23. 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.
vie. 12/266:00 amAUS - IAD
2 stops8h 10mMultiple Airlines
lun. 1/128:35 amIAD - AUS
1 stop9h 42mMultiple Airlines
Deal found 11/23$276
This Kiwi.com deal was found by Cheapflights users on 11/23. 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.
mar. 12/236:00 amAUS - IAD
1 stop14h 03mMultiple Airlines
dom. 1/186:00 amIAD - AUS
1 stop12h 07mMultiple Airlines
Deal found 11/23$279
This Kiwi.com deal was found by Cheapflights users on 11/23. 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.
vie. 12/266:05 pmAUS - IAD
1 stop16h 33mFrontier
lun. 1/128:35 amIAD - AUS
1 stop9h 42mFrontier
Deal found 11/23$281
This Kiwi.com deal was found by Cheapflights users on 11/22. 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.
vie. 12/197:49 pmAUS - IAD
2 stops21h 27mFrontier
lun. 12/229:58 pmIAD - AUS
1 stop11h 10mFrontier
Deal found 11/22$282

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 noviembre 24, 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

jue. 1/8

11:45 am-11:43 am

1 stop22h 58m

Washington, D.C. Dulles Intl

dom. 1/11

7:49 pm-9:27 pm

1 stop26h 38m

$395

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

mié. 12/17

1:42 pm-9:29 pm

1 stop6h 47m

Washington, D.C. Dulles Intl

mar. 12/30

10:57 am-3:51 pm

1 stop5h 54m

$417

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

jue. 1/15

2:22 pm-8:49 pm

1 stop5h 27m

Washington, D.C. Dulles Intl

mar. 1/20

5:55 pm-8:49 pm

Nonstop3h 54m

$422

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

lun. 12/22

5:59 pm-11:49 pm

1 stop4h 50m

Washington, D.C. Dulles Intl

jue. 12/25

8:15 am-11:10 am

Nonstop3h 55m

$437

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

mié. 12/24

12:52 pm-4:23 pm

1 stop26h 31m

Washington, D.C. Dulles Intl

mar. 1/13

9:00 am-9:51 am

1 stop25h 51m

$442

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

vie. 12/26

6:25 am-12:13 pm

1 stop4h 48m

Washington, D.C. Dulles Intl

mar. 12/30

6:00 am-11:14 am

1 stop6h 14m

$463

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

dom. 12/21

5:22 pm-12:12 am

1 stop5h 50m

Washington, D.C. Dulles Intl

mar. 12/30

10:57 am-3:51 pm

1 stop5h 54m

$463

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

lun. 12/22

8:20 am-12:12 am

1 stop14h 52m

Washington, D.C. Dulles Intl

mar. 12/30

10:57 am-3:51 pm

1 stop5h 54m

$464

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

jue. 1/8

12:30 pm-4:26 pm

1 stop26h 56m

Washington, D.C. Dulles Intl

dom. 1/11

6:04 pm-5:59 pm

1 stop24h 55m

$465

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

dom. 1/25

7:15 am-11:24 am

Nonstop3h 09m

Washington, D.C. Dulles Intl

jue. 1/29

5:45 pm-10:59 pm

1 stop6h 14m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 20 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 21, 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 noviembre 24, 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 noviembre 24, 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
7,993 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

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
7,993 reviews
Delta
7.9
Good
7,993 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

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
9,039 reviews
Delta
7.9
Good
7,993 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

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
11,043 reviews
Delta
7.9
Good
7,993 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

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
701 reviews
Delta
7.9
Good
7,993 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

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
3,097 reviews
Delta
7.9
Good
7,993 reviews

Boarding

8.1

Entertainment

7.9

Food

7.3

Comfort

7.9

Overall

7.9

Crew

8.5

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 5 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 Delta, United Airlines, and Southwest fly from Austin to Washington, D.C. Dulles Intl Airport in about 5h 27m. The time it takes to get you to your destination can typically vary by up to 2h 38m. 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 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%), Brussels Airlines (95%) and Lufthansa (94%).

  • 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 $194.

  • 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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Alternative routes for Austin to Dulles Intl

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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 noviembre 24, 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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