How often are flights from Austin to Washington, D.C. delayed?

About 10% of weekly flights between Austin and Washington, D.C. have experienced delays in the past year, with the average delay time being 146 minutes.

Which airline has the best punctuality record on Austin to Washington, D.C. flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 9% of flights being delayed.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

What is the most punctual flight time for Austin to Washington, D.C. flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

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

Airlines like Alaska Airlines fly from Austin to Washington, D.C. Dulles Intl Airport in about 33h 26m. The time it takes to get you to your destination can typically vary by up to . Austin and Washington, D.C. Dulles Intl Airport are separated by a distance of 1295 mi.

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

Allegiant Air, at $92, was found to be the cheapest airline from Austin to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Delta and Frontier. Allegiant Air is priced at 80% 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 Allegiant Air ($60), Frontier ($75), and American Airlines ($118).

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

The most flights from AUS to IAD are scheduled on a Monday (7 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (1 on average).

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 Austin to Washington, D.C. Dulles Intl Airport?

On average you can expect to pay $1,012 for a flight from Austin to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $208 while the most popular route, (Austin Bergstrom - Washington, D.C. Dulles Intl) is currently priced at $154.

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 (93%) and Lufthansa (93%).

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

When booking a flight from Austin to Washington, D.C. Dulles Intl Airport, you may want to consider flying on United Airlines, Allegiant Air or Delta as they are the most popular for this route.

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.

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.

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.

$93+ Flights from Austin to Washington, D.C. Dulles Intl Airport

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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

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 December 9, 2025.

Sun 12/149:12 pmAUS - IAD

1 stop16h 53mMultiple Airlines

Mon 12/156:58 pmIAD - AUS

2 stops28h 23mMultiple Airlines

Deal found 12/7

$219

Sun 12/149:12 pmAUS - IAD

1 stop16h 53mMultiple Airlines

Thu 12/188:16 pmIAD - AUS

1 stop22h 32mMultiple Airlines

Deal found 12/9

$220

Tue 12/306:00 amAUS - IAD

1 stop14h 03mMultiple Airlines

Mon 1/59:58 pmIAD - AUS

2 stops28h 00mMultiple Airlines

Deal found 12/8

$226

Tue 12/309:03 amAUS - IAD

1 stop11h 00mFrontier

Mon 1/56:05 amIAD - AUS

1 stop12h 10mFrontier

Deal found 12/7

$234

Sun 12/149:12 pmAUS - IAD

1 stop16h 53mMultiple Airlines

Tue 12/309:58 pmIAD - AUS

1 stop24h 59mMultiple Airlines

Deal found 12/7

$266

Sun 12/149:12 pmAUS - IAD

1 stop16h 53mMultiple Airlines

Fri 12/192:32 pmIAD - AUS

2 stops11h 26mMultiple Airlines

Deal found 12/9

$278

Tue 12/309:03 amAUS - IAD

1 stop11h 00mFrontier

Fri 1/26:05 amIAD - AUS

1 stop12h 05mFrontier

Deal found 12/7

$283

Mon 12/1510:18 amAUS - IAD

2 stops27h 11mMultiple Airlines

Tue 12/309:58 pmIAD - AUS

1 stop24h 59mMultiple Airlines

Deal found 12/7

$293

Mon 12/1510:18 amAUS - IAD

2 stops51h 11mFrontier

Mon 12/229:58 pmIAD - AUS

1 stop11h 10mFrontier

Deal found 12/8

$294

Wed 12/315:51 pmAUS - IAD

1 stop16h 47mMultiple Airlines

Sun 1/49:58 pmIAD - AUS

2 stops28h 00mMultiple Airlines

Deal found 12/9

$296

Best flights from Austin to Dulles Intl
Discover carefully curated flight deals from Austin to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 9, 2025.

Wed 1/216:00 amAUS - IAD

2 stops33h 26mAlaska Airlines

Sat 1/246:04 pmIAD - AUS

2 stops23h 35mAlaska Airlines

Deal found 12/9

$425

Tue 1/207:05 amAUS - IAD

1 stop8h 09mUnited Airlines

Sat 1/245:55 pmIAD - AUS

Nonstop3h 56mUnited Airlines

Deal found 12/7

$437

Wed 1/76:40 amAUS - IAD

1 stop6h 19mDelta

Wed 1/1412:09 pmIAD - AUS

1 stop6h 20mDelta

Deal found 12/7

$447

Fri 1/235:39 pmAUS - IAD

2 stops21h 47mAlaska Airlines

Mon 1/266:04 pmIAD - AUS

2 stops29h 44mAlaska Airlines

Deal found 12/9

$425

Wed 2/1112:17 pmAUS - IAD

Nonstop3h 08mUnited Airlines

Mon 2/161:04 pmIAD - AUS

Nonstop3h 53mUnited Airlines

Deal found 12/8

$458

Sat 1/316:00 amAUS - IAD

1 stop10h 04mAlaska Airlines

Tue 2/36:04 pmIAD - AUS

2 stops23h 35mAlaska Airlines

Deal found 12/9

$429

Sun 1/1112:17 pmAUS - IAD

Nonstop3h 08mUnited Airlines

Wed 1/145:55 pmIAD - AUS

Nonstop3h 54mUnited Airlines

Deal found 12/9

$458

Thu 1/225:39 pmAUS - IAD

2 stops21h 47mAlaska Airlines

Sun 1/256:04 pmIAD - AUS

1 stop30h 55mAlaska Airlines

Deal found 12/9

$434

Wed 1/216:00 amAUS - IAD

1 stop10h 04mAlaska Airlines

Fri 1/236:04 pmIAD - AUS

2 stops29h 44mAlaska Airlines

Deal found 12/7

$448

Sat 1/176:00 amAUS - IAD

1 stop10h 04mAlaska Airlines

Sun 1/186:04 pmIAD - AUS

2 stops23h 35mAlaska Airlines

Deal found 12/8

$458

Last-minute flights from Austin to Dulles Intl
Discover last-minute flight deals from Austin to Dulles Intl. Data last updated December 9, 2025 and is based on user searches.

Sun 12/149:12 pmAUS - IAD

1 stop16h 53mMultiple Airlines

Mon 12/156:58 pmIAD - AUS

2 stops28h 23mMultiple Airlines

Deal found 12/7

$219

Sun 12/149:12 pmAUS - IAD

1 stop16h 53mMultiple Airlines

Tue 12/309:58 pmIAD - AUS

1 stop24h 59mMultiple Airlines

Deal found 12/7

$266

Tue 12/306:00 amAUS - IAD

1 stop14h 03mMultiple Airlines

Mon 1/59:58 pmIAD - AUS

2 stops28h 00mMultiple Airlines

Deal found 12/8

$226

Tue 12/309:03 amAUS - IAD

1 stop11h 00mFrontier

Mon 1/56:05 amIAD - AUS

1 stop12h 10mFrontier

Deal found 12/7

$234

Thu 1/88:13 pmAUS - IAD

2 stops14h 15mFrontier

Mon 1/126:00 amIAD - AUS

2 stops40h 42mFrontier

Deal found 12/8

$248

Fri 1/95:42 pmAUS - IAD

1 stop14h 26mFrontier

Sun 1/118:35 amIAD - AUS

1 stop9h 12mFrontier

Deal found 12/7

$253

Mon 1/126:05 pmAUS - IAD

1 stop16h 38mMultiple Airlines

Fri 2/132:58 pmIAD - AUS

2 stops26h 06mMultiple Airlines

Deal found 12/8

$263

Wed 1/144:59 pmAUS - IAD

1 stop14h 05mMultiple Airlines

Wed 1/218:00 amIAD - AUS

1 stop28h 15mMultiple Airlines

Deal found 12/8

$240

Wed 1/217:25 amAUS - IAD

2 stops32h 03mMultiple Airlines

Wed 1/288:00 amIAD - AUS

1 stop28h 15mMultiple Airlines

Deal found 12/8

$267

One-way flights from Austin to Dulles Intl
Search for one-way flight options from Austin to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated December 9, 2025.

Thu 1/84:59 pmAUS - IAD

2 stops20h 19mMultiple Airlines

Deal found 12/8

$93

Sat 1/104:59 pmAUS - IAD

1 stop13h 41mMultiple Airlines

Deal found 12/8

$96

Thu 1/157:19 pmAUS - IAD

1 stop23h 39mFrontier

Deal found 12/8

$97

Sat 3/75:03 pmAUS - IAD

1 stop26h 10mFrontier

Deal found 12/8

$98

Tue 1/610:32 amAUS - IAD

2 stops29h 18mFrontier

Deal found 12/8

$100

Mon 12/1510:18 amAUS - IAD

2 stops27h 11mFrontier

Deal found 12/7

$101

Thu 2/55:58 pmAUS - IAD

2 stops25h 00mFrontier

Deal found 12/7

$102

Fri 2/65:58 pmAUS - IAD

1 stop15h 46mFrontier

Deal found 12/8

$104

Wed 1/75:30 amAUS - IAD

2 stops28h 58mMultiple Airlines

Deal found 12/8

$106

Sun 2/811:30 amAUS - IAD

2 stops27h 58mMultiple Airlines

Deal found 12/9

$107

Find flight deals from Austin to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$218 (CheapOair)
One-way from	$93 (Kiwi.com)
Popular in	February
Cheapest in	August
Average price	$559
Good round-trip deal	$550 or less
Good one-way deal	$303 or less

Provider with most accurate pricing for Austin Bergstrom-Washington, D.C. Dulles Intl flight deals.

Search Deals

Provider most trusted by Cheapflights users for Austin Bergstrom-Washington, D.C. Dulles Intl flights.

Search Deals

From Austin Bergstrom to Washington, D.C. Dulles Intl

Search Deals

One-way flight from Austin Bergstrom to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($79 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Austin Bergstrom to Washington, D.C. Dulles Intl.

Search Deals

Price to beat on a one-way flight from Austin Bergstrom to Washington, D.C. Dulles Intl.

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

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

Sat 1/24

6:04 pm-4:39 pm

2 stops23h 35m

$425

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 1/23

5:39 pm-4:26 pm

2 stops21h 47m

Washington, D.C. Dulles Intl

Mon 1/26

6:04 pm-10:48 pm

2 stops29h 44m

$425

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sat 1/31

6:00 am-5:04 pm

1 stop10h 04m

Washington, D.C. Dulles Intl

Tue 2/3

6:04 pm-4:39 pm

2 stops23h 35m

$429

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 1/22

5:39 pm-4:26 pm

2 stops21h 47m

Washington, D.C. Dulles Intl

Sun 1/25

6:04 pm-11:59 pm

1 stop30h 55m

$434

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Tue 1/20

7:05 am-4:14 pm

1 stop8h 09m

Washington, D.C. Dulles Intl

Sat 1/24

5:55 pm-8:51 pm

Nonstop3h 56m

$437

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Wed 1/7

6:40 am-1:59 pm

1 stop6h 19m

Washington, D.C. Dulles Intl

Wed 1/14

12:09 pm-5:29 pm

1 stop6h 20m

$447

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Wed 1/21

6:00 am-5:04 pm

1 stop10h 04m

Washington, D.C. Dulles Intl

Fri 1/23

6:04 pm-10:48 pm

2 stops29h 44m

$448

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Wed 2/11

12:17 pm-4:25 pm

Nonstop3h 08m

Washington, D.C. Dulles Intl

Mon 2/16

1:04 pm-3:57 pm

Nonstop3h 53m

$458

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sun 1/11

12:17 pm-4:25 pm

Nonstop3h 08m

Washington, D.C. Dulles Intl

Wed 1/14

5:55 pm-8:49 pm

Nonstop3h 54m

$458

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sat 1/17

6:00 am-5:04 pm

1 stop10h 04m

Washington, D.C. Dulles Intl

Sun 1/18

6:04 pm-4:39 pm

2 stops23h 35m

$458

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 21 results

Compare providers for flights from Austin to Dulles Intl

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Cheapflightsfares	Price Accuracy3 stars	Trust Score*2 stars
Priceline	Price Accuracy1 star	Trust Score*3 stars
JustAirTicket	Price 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

Prices

Airlines

Delays

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

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 $299). 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?

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

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.

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.

Our travel experts

Ramsey Qubein

Expert on IAD and AUS

Reviews of airlines servicing Dulles Intl

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

8,011 reviews

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

8,011 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

United Airlines

7.4

Good

9,089 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

American Airlines

7.2

Good

11,043 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Allegiant Air

7.2

Good

698 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Frontier

5.8

Fair

3,085 reviews

Delta

7.9

Good

8,011 reviews

Reviews

1 / 20

6.0

Good

Jim,Nov 2025

AVL - ATL

Related info for your journey

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 Alaska Airlines fly from Austin to Washington, D.C. Dulles Intl Airport in about 33h 26m. The time it takes to get you to your destination can typically vary by up to . Austin and Washington, D.C. Dulles Intl Airport are separated by a distance of 1295 mi.
What are the cheapest airlines flying from Austin to Washington, D.C. Dulles Intl Airport round-trip?
Allegiant Air, at $92, was found to be the cheapest airline from Austin to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Delta and Frontier. Allegiant Air is priced at 80% 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 Allegiant Air ($60), Frontier ($75), and American Airlines ($118).
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 (93%) and Lufthansa (93%).
What are the cheapest flights from Austin to Washington, D.C. Dulles Intl Airport?
On average you can expect to pay $1,012 for a flight from Austin to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $208 while the most popular route, (Austin Bergstrom - Washington, D.C. Dulles Intl) is currently priced at $154.
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 $299). 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 5 airlines flying from Austin to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Allegiant Air	Cheapest$100	Average$173	FlexibilityNo cancel fee	On-time88%
Frontier	Cheapest$130	Average$204	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$210	Average$431	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$236	Average$446	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$277	Average$507	FlexibilityNo cancel fee	On-time69%

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$93+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Austin to Dulles Intl with Cheapflights

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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

Cheapest flights from Austin to Dulles IntlExplore 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 December 9, 2025.

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 December 9, 2025.

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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?

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

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

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

How often are flights from Austin to Washington, D.C. delayed?

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

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

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Reviews of airlines servicing Dulles Intl

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.

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.

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

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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 December 9, 2025.