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

About 11% of weekly flights between Austin and Washington, D.C. have experienced delays in the past year, with the average delay time being 144 minutes.

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.

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 Saturday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, ITA Airways have had the lowest number of delays on this route, with no flights being classified as delayed.

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

Airlines like United Airlines, Delta, and Alaska 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 19h 15m. 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 Frontier ($128), United Airlines ($179), and Delta ($179).

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 $1,010 for a flight from Austin to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $109 while the most popular route, (Austin Bergstrom - Washington, D.C. Dulles Intl) is currently priced at $142.

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 Republic Airways (100%).

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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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 3 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.

$107+ Cheap Flights from Austin to Washington, D.C. Dulles Intl Airport

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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

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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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$213 (Kiwi.com)
One-way from	$107 (Kiwi.com)
Popular in	February
Cheapest in	August
Average price	$481
Good round-trip deal	$424 or less
Good one-way deal	$194 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

Search Deals

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

Search Deals

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 ($12 potential savings vs. average RT price).

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Average for round-trip flights in October 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 October 19, 2025.

Thu 10/305:16 pmAUS - IAD

1 stop25h 35mFrontier

Thu 11/66:00 amIAD - AUS

1 stop6h 17mFrontier

Deal found 10/16

$210

Thu 12/45:58 pmAUS - IAD

1 stop21h 26mMultiple Airlines

Mon 12/84:00 pmIAD - AUS

2 stops21h 08mMultiple Airlines

Deal found 10/17

$213

Sun 12/710:38 amAUS - IAD

1 stop8h 46mFrontier

Mon 12/85:45 amIAD - AUS

1 stop12h 28mFrontier

Deal found 10/16

$222

Fri 10/319:56 amAUS - IAD

1 stop8h 55mMultiple Airlines

Sun 11/28:36 pmIAD - AUS

2 stops21h 25mMultiple Airlines

Deal found 10/16

$223

Thu 11/205:07 pmAUS - IAD

1 stop5h 52mFrontier

Mon 11/246:55 amIAD - AUS

1 stop10h 33mFrontier

Deal found 10/16

$224

Thu 11/65:56 pmAUS - IAD

1 stop5h 15mMultiple Airlines

Sat 11/88:36 pmIAD - AUS

1 stop13h 38mMultiple Airlines

Deal found 10/15

$227

Fri 11/75:56 pmAUS - IAD

1 stop5h 15mMultiple Airlines

Sat 11/88:36 pmIAD - AUS

1 stop13h 38mMultiple Airlines

Deal found 10/15

$228

Sun 10/266:00 amAUS - IAD

2 stops31h 25mFrontier

Wed 10/298:47 amIAD - AUS

1 stop27h 50mFrontier

Deal found 10/18

$229

Tue 10/287:45 amAUS - IAD

2 stops35h 35mFrontier

Thu 10/306:00 amIAD - AUS

1 stop12h 01mFrontier

Deal found 10/18

$230

Thu 10/2311:14 amAUS - IAD

1 stop6h 53mFrontier

Fri 10/316:00 amIAD - AUS

1 stop11h 58mFrontier

Deal found 10/18

$231

Wed 11/192:21 pmAUS - IAD

1 stop18h 56mMultiple Airlines

Thu 11/2711:12 amIAD - AUS

2 stops23h 01mMultiple Airlines

Deal found 10/16

$232

Thu 10/2311:14 amAUS - IAD

1 stop6h 53mMultiple Airlines

Tue 11/48:40 amIAD - AUS

2 stops15h 09mMultiple Airlines

Deal found 10/18

$233

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 October 19, 2025.

Thu 12/117:15 amAUS - IAD

Nonstop3h 08mUnited Airlines

Wed 12/178:22 amIAD - AUS

Nonstop3h 46mUnited Airlines

Deal found 10/15

$357

Tue 11/115:00 pmAUS - IAD

1 stop6h 16mDelta

Tue 11/183:35 pmIAD - AUS

1 stop7h 12mDelta

Deal found 10/15

$377

Tue 11/117:00 amAUS - IAD

1 stop22h 23mAlaska Airlines

Sat 11/157:43 amIAD - AUS

1 stop11h 35mAlaska Airlines

Deal found 10/18

$404

Tue 11/118:05 amAUS - IAD

1 stop6h 40mSouthwest

Sat 11/155:05 amIAD - AUS

2 stops13h 00mSouthwest

Deal found 10/16

$418

Tue 1/610:52 amAUS - IAD

1 stop6h 50mDelta

Mon 1/129:00 amIAD - AUS

1 stop8h 19mDelta

Deal found 10/16

$397

Mon 12/227:30 amAUS - IAD

Nonstop3h 08mUnited Airlines

Thu 12/255:55 pmIAD - AUS

Nonstop3h 54mUnited Airlines

Deal found 10/18

$397

Sat 11/87:00 amAUS - IAD

1 stop22h 23mAlaska Airlines

Wed 11/127:43 amIAD - AUS

1 stop11h 35mAlaska Airlines

Deal found 10/18

$404

Sat 11/151:36 pmAUS - IAD

1 stop15h 47mAlaska Airlines

Tue 11/186:13 pmIAD - AUS

1 stop22h 01mAlaska Airlines

Deal found 10/18

$404

Sat 11/85:00 pmAUS - IAD

1 stop5h 20mDelta

Tue 11/117:01 amIAD - AUS

1 stop5h 14mDelta

Deal found 10/16

$407

Sun 11/167:15 amAUS - IAD

Nonstop3h 06mUnited Airlines

Wed 11/198:25 amIAD - AUS

Nonstop3h 46mUnited Airlines

Deal found 10/15

$413

Fri 11/147:00 amAUS - IAD

1 stop32h 40mAlaska Airlines

Sun 11/167:43 amIAD - AUS

1 stop11h 35mAlaska Airlines

Deal found 10/16

$406

Thu 12/44:19 pmAUS - IAD

1 stop4h 56mUnited Airlines

Tue 12/98:30 amIAD - AUS

1 stop5h 29mUnited Airlines

Deal found 10/18

$417

Last-minute flights from Austin to Dulles Intl
Discover last-minute flight deals from Austin to Dulles Intl. Data last updated October 19, 2025 and is based on user searches.

Thu 10/2311:14 amAUS - IAD

1 stop6h 53mFrontier

Fri 10/316:00 amIAD - AUS

1 stop11h 58mFrontier

Deal found 10/18

$231

Thu 10/2311:14 amAUS - IAD

1 stop6h 53mMultiple Airlines

Tue 11/48:40 amIAD - AUS

2 stops15h 09mMultiple Airlines

Deal found 10/18

$233

Sun 10/266:00 amAUS - IAD

2 stops31h 25mFrontier

Wed 10/298:47 amIAD - AUS

1 stop27h 50mFrontier

Deal found 10/18

$229

Tue 10/287:45 amAUS - IAD

2 stops35h 35mFrontier

Thu 10/306:00 amIAD - AUS

1 stop12h 01mFrontier

Deal found 10/18

$230

Wed 10/297:45 amAUS - IAD

2 stops33h 42mMultiple Airlines

Mon 11/38:36 pmIAD - AUS

1 stop17h 50mMultiple Airlines

Deal found 10/18

$250

Fri 10/316:12 pmAUS - IAD

1 stop24h 39mFrontier

Sun 11/25:00 amIAD - AUS

2 stops14h 56mFrontier

Deal found 10/18

$235

Fri 10/319:50 pmAUS - IAD

2 stops25h 05mMultiple Airlines

Sun 11/28:36 pmIAD - AUS

1 stop13h 38mMultiple Airlines

Deal found 10/17

$247

Tue 11/45:00 amAUS - IAD

2 stops14h 20mMultiple Airlines

Fri 11/76:00 amIAD - AUS

1 stop12h 01mMultiple Airlines

Deal found 10/18

$241

Wed 11/55:00 amAUS - IAD

2 stops14h 20mMultiple Airlines

Fri 11/78:36 pmIAD - AUS

1 stop13h 38mMultiple Airlines

Deal found 10/18

$245

Sun 11/165:56 pmAUS - IAD

1 stop22h 02mFrontier

Sat 11/226:55 amIAD - AUS

2 stops26h 13mFrontier

Deal found 10/18

$246

Thu 11/208:28 pmAUS - IAD

1 stop10h 22mMultiple Airlines

Mon 12/112:47 pmIAD - AUS

2 stops47h 27mMultiple Airlines

Deal found 10/18

$244

Tue 11/258:58 amAUS - IAD

1 stop25h 54mFrontier

Thu 12/45:45 amIAD - AUS

1 stop12h 18mFrontier

Deal found 10/18

$249

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 October 19, 2025.

Wed 11/266:37 pmAUS - IAD

1 stop14h 40mFrontier

Deal found 10/19

$107

Wed 12/175:30 amAUS - IAD

2 stops35h 46mMultiple Airlines

Deal found 10/18

$108

Mon 11/1710:37 amAUS - IAD

2 stops32h 43mFrontier

Deal found 10/17

$110

Mon 11/35:00 amAUS - IAD

2 stops38h 20mMultiple Airlines

Deal found 10/16

$112

Mon 11/175:00 amAUS - IAD

2 stops18h 11mMultiple Airlines

Deal found 10/18

$113

Mon 11/107:49 pmAUS - IAD

2 stops47h 31mMultiple Airlines

Deal found 10/17

$114

Fri 2/2010:48 amAUS - IAD

1 stop9h 05mFrontier

Deal found 10/17

$115

Mon 11/1010:37 amAUS - IAD

2 stops12h 34mFrontier

Deal found 10/18

$116

Fri 10/2410:47 pmAUS - IAD

2 stops23h 42mFrontier

Deal found 10/17

$117

Sat 10/257:20 amAUS - IAD

2 stops15h 09mMultiple Airlines

Deal found 10/17

$119

Sun 11/165:14 pmAUS - IAD

1 stop25h 38mFrontier

Deal found 10/17

$120

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

Thu 12/11

7:15 am-11:23 am

Nonstop3h 08m

Washington, D.C. Dulles Intl

Wed 12/17

8:22 am-11:08 am

Nonstop3h 46m

$357

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Tue 11/11

5:00 pm-12:16 am

1 stop6h 16m

Washington, D.C. Dulles Intl

Tue 11/18

3:35 pm-9:47 pm

1 stop7h 12m

$377

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Tue 1/6

10:52 am-6:42 pm

1 stop6h 50m

Washington, D.C. Dulles Intl

Mon 1/12

9:00 am-4:19 pm

1 stop8h 19m

$397

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Mon 12/22

7:30 am-11:38 am

Nonstop3h 08m

Washington, D.C. Dulles Intl

Thu 12/25

5:55 pm-8:49 pm

Nonstop3h 54m

$397

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Tue 11/11

7:00 am-6:23 am

1 stop22h 23m

Washington, D.C. Dulles Intl

Sat 11/15

7:43 am-6:18 pm

1 stop11h 35m

$404

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sat 11/8

7:00 am-6:23 am

1 stop22h 23m

Washington, D.C. Dulles Intl

Wed 11/12

7:43 am-6:18 pm

1 stop11h 35m

$404

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sat 11/15

1:36 pm-6:23 am

1 stop15h 47m

Washington, D.C. Dulles Intl

Tue 11/18

6:13 pm-3:14 pm

1 stop22h 01m

$404

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 11/14

7:00 am-4:40 pm

1 stop32h 40m

Washington, D.C. Dulles Intl

Sun 11/16

7:43 am-6:18 pm

1 stop11h 35m

$406

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sat 11/8

5:00 pm-11:20 pm

1 stop5h 20m

Washington, D.C. Dulles Intl

Tue 11/11

7:01 am-11:15 am

1 stop5h 14m

$407

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sun 11/16

7:15 am-11:21 am

Nonstop3h 06m

Washington, D.C. Dulles Intl

Wed 11/19

8:25 am-11:11 am

Nonstop3h 46m

$413

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/18

Showing 1-10 of 22 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 October.

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

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Austin-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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

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 $295). 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

7,975 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Delta

7.9

Good

7,975 reviews

Delta

7.9

Good

7,975 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

United Airlines

7.4

Good

8,989 reviews

Delta

7.9

Good

7,975 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

American Airlines

7.2

Good

11,035 reviews

Delta

7.9

Good

7,975 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Allegiant Air

7.2

Good

696 reviews

Delta

7.9

Good

7,975 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - ATL

Frontier

5.8

Fair

3,133 reviews

Delta

7.9

Good

7,975 reviews

Reviews

1 / 20

8.0

Excellent

Matthew,Oct 2025

GSP - 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 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 United Airlines, Delta, and Alaska 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 19h 15m. 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 Frontier ($128), United Airlines ($179), and Delta ($179).
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 Republic Airways (100%).
What are the cheapest flights from Austin to Washington, D.C. Dulles Intl Airport?
On average you can expect to pay $1,010 for a flight from Austin to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $109 while the most popular route, (Austin Bergstrom - Washington, D.C. Dulles Intl) is currently priced at $142.
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 $295). 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$196	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$236	Average$442	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$236	Average$422	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$279	Average$530	FlexibilityNo cancel fee	On-time69%

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$107+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.

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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

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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 October 19, 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 October 19, 2025.

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

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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

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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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Top 5 airlines flying from Austin to Dulles Intl

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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 October 19, 2025.