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

Airlines like Delta and United Airlines fly from Austin to Washington, D.C. Dulles Intl Airport in about 3h 17m. The time it takes to get you to your destination can typically vary by up to 3h 37m. 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 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 Delta ($119), Frontier ($130), and American Airlines ($147).

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

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

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

The most flights from AUS to IAD are scheduled on a Sunday (12 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 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 $1,102 for a flight from Austin to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $118 while the most popular route, (Austin Bergstrom - Washington, D.C. Dulles Intl) is currently priced at $147.

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 Lufthansa (82%), Brussels Airlines (79%) and Allegiant Air (75%).

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 American Airlines, Delta or Frontier as they are the most popular for this route.

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

Thursday is generally a great day to depart. Flying on this day could help you save up to 55%.

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

August can be a great time to fly to Washington, D.C. Dulles Intl Airport from Austin with a flight ticket averaging about $424. Cheapflights users have found deals in the month of August for as cheap as $113. The most expensive prices can be found in the month of November.

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 8 flights from Austin Bergstrom to Washington, D.C. Dulles Intl per day from 6 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.

$116+ Cheap 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

Round-trip from	$194 (Kiwi.com)
One-way from	$116 (Kiwi.com)
Popular in	November
Cheapest in	August
Average price	$569
Good round-trip deal	$412 or less
Good one-way deal	$209 or less

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

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($62 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($14 potential savings vs. average RT price).

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Average for round-trip flights in September 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 September 15, 2025.

Wed 11/195:01 amAUS - IAD

2 stops7h 34mAmerican Airlines

Sun 11/234:34 pmIAD - AUS

2 stops8h 15mAmerican Airlines

Deal found 9/12

$195

Thu 10/26:15 pmAUS - IAD

1 stop23h 04mFrontier

Sun 10/57:14 pmIAD - AUS

1 stop23h 11mFrontier

Deal found 9/14

$196

Thu 10/167:43 pmAUS - IAD

1 stop17h 42mFrontier

Sun 10/196:15 amIAD - AUS

1 stop11h 41mFrontier

Deal found 9/13

$197

Thu 10/167:43 pmAUS - IAD

1 stop17h 42mFrontier

Mon 10/206:15 amIAD - AUS

1 stop11h 41mFrontier

Deal found 9/14

$198

Fri 9/195:29 pmAUS - IAD

1 stop5h 46mFrontier

Sun 9/283:15 pmIAD - AUS

1 stop27h 48mFrontier

Deal found 9/13

$199

Fri 10/36:02 pmAUS - IAD

1 stop27h 54mMultiple Airlines

Sun 10/57:14 pmIAD - AUS

1 stop14h 37mMultiple Airlines

Deal found 9/13

$200

Tue 10/77:20 amAUS - IAD

2 stops11h 26mMultiple Airlines

Fri 10/106:15 amIAD - AUS

1 stop11h 41mMultiple Airlines

Deal found 9/14

$206

Fri 10/2411:30 amAUS - IAD

2 stops26h 47mMultiple Airlines

Sun 10/268:02 pmIAD - AUS

1 stop19h 09mMultiple Airlines

Deal found 9/15

$207

Wed 10/297:20 amAUS - IAD

2 stops12h 00mMultiple Airlines

Sun 11/25:00 amIAD - AUS

1 stop7h 06mMultiple Airlines

Deal found 9/14

$209

Fri 9/195:29 pmAUS - IAD

1 stop5h 46mFrontier

Mon 9/226:10 amIAD - AUS

1 stop11h 24mFrontier

Deal found 9/13

$210

Thu 9/257:03 pmAUS - IAD

1 stop18h 22mFrontier

Sat 9/277:14 pmIAD - AUS

1 stop23h 11mFrontier

Deal found 9/15

$211

Wed 10/87:20 amAUS - IAD

2 stops11h 26mMultiple Airlines

Sat 10/117:15 amIAD - AUS

1 stop13h 56mMultiple Airlines

Deal found 9/14

$212

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 September 15, 2025.

Wed 10/298:35 amAUS - IAD

1 stop6h 54mDelta

Sun 11/96:00 amIAD - AUS

1 stop6h 15mDelta

Deal found 9/14

$237

Thu 10/94:55 pmAUS - IAD

Nonstop3h 17mUnited Airlines

Tue 10/148:25 amIAD - AUS

Nonstop3h 31mUnited Airlines

Deal found 9/14

$377

Fri 11/73:40 pmAUS - IAD

1 stop6h 50mSouthwest

Sat 11/155:00 amIAD - AUS

2 stops13h 05mSouthwest

Deal found 9/13

$418

Tue 10/1412:05 pmAUS - IAD

Nonstop3h 17mUnited Airlines

Tue 10/2112:50 pmIAD - AUS

1 stop5h 40mUnited Airlines

Deal found 9/14

$387

Wed 10/812:48 pmAUS - IAD

1 stop7h 07mUnited Airlines

Sat 10/115:55 pmIAD - AUS

Nonstop3h 31mUnited Airlines

Deal found 9/14

$387

Thu 10/912:05 pmAUS - IAD

Nonstop3h 17mUnited Airlines

Fri 10/1710:45 amIAD - AUS

1 stop5h 33mUnited Airlines

Deal found 9/14

$397

Thu 10/237:15 amAUS - IAD

Nonstop3h 17mUnited Airlines

Sun 10/268:25 amIAD - AUS

Nonstop3h 46mUnited Airlines

Deal found 9/13

$433

Thu 11/137:15 amAUS - IAD

Nonstop3h 06mUnited Airlines

Sun 11/168:25 amIAD - AUS

Nonstop3h 46mUnited Airlines

Deal found 9/13

$433

Sat 10/257:10 amAUS - IAD

Nonstop3h 17mUnited Airlines

Sun 10/268:25 amIAD - AUS

Nonstop3h 46mUnited Airlines

Deal found 9/15

$433

Fri 11/77:15 amAUS - IAD

Nonstop3h 06mUnited Airlines

Sun 11/91:05 pmIAD - AUS

Nonstop3h 46mUnited Airlines

Deal found 9/14

$443

Last-minute flights from Austin to Dulles Intl
Discover last-minute flight deals from Austin to Dulles Intl. Data last updated September 15, 2025 and is based on user searches.

Sat 9/207:50 amAUS - IAD

2 stops15h 05mFrontier

Sun 9/213:15 pmIAD - AUS

1 stop27h 48mFrontier

Deal found 9/13

$304

Sat 9/207:50 amAUS - IAD

2 stops15h 05mFrontier

Mon 9/226:10 amIAD - AUS

1 stop11h 24mFrontier

Deal found 9/13

$362

Sat 9/202:38 pmAUS - IAD

1 stop17h 08mAmerican Airlines

Sun 9/2111:47 amIAD - AUS

1 stop6h 14mAmerican Airlines

Deal found 9/14

$449

Wed 9/248:00 amAUS - IAD

2 stops29h 25mFrontier

Fri 9/266:10 amIAD - AUS

1 stop11h 24mFrontier

Deal found 9/14

$319

Wed 9/245:45 amAUS - IAD

2 stops13h 10mMultiple Airlines

Thu 9/256:10 amIAD - AUS

1 stop11h 24mMultiple Airlines

Deal found 9/15

$334

Wed 9/242:38 pmAUS - IAD

1 stop17h 08mAmerican Airlines

Tue 10/78:09 amIAD - AUS

1 stop14h 45mAmerican Airlines

Deal found 9/13

$499

Thu 9/257:03 pmAUS - IAD

1 stop18h 22mFrontier

Sat 9/277:14 pmIAD - AUS

1 stop23h 11mFrontier

Deal found 9/15

$211

Thu 9/2511:08 amAUS - IAD

2 stops24h 47mFrontier

Mon 9/296:10 amIAD - AUS

1 stop11h 24mFrontier

Deal found 9/13

$216

Thu 9/257:03 pmAUS - IAD

1 stop18h 22mFrontier

Sun 9/283:15 pmIAD - AUS

2 stops19h 18mFrontier

Deal found 9/14

$251

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 September 15, 2025.

Tue 9/305:45 amAUS - IAD

2 stops13h 10mMultiple Airlines

Deal found 9/13

$116

Wed 10/88:35 amAUS - IAD

1 stop6h 54mDelta

Deal found 9/15

$119

Fri 9/195:29 pmAUS - IAD

1 stop5h 46mFrontier

Deal found 9/13

$121

Sun 10/1211:24 amAUS - IAD

1 stop6h 08mFrontier

Deal found 9/13

$122

Wed 10/157:20 amAUS - IAD

2 stops31h 18mMultiple Airlines

Deal found 9/13

$124

Thu 11/205:07 pmAUS - IAD

1 stop5h 52mFrontier

Deal found 9/14

$127

Thu 9/187:03 pmAUS - IAD

1 stop18h 22mFrontier

Deal found 9/13

$128

Sat 11/17:20 amAUS - IAD

2 stops15h 35mMultiple Airlines

Deal found 9/12

$129

Mon 10/1310:56 amAUS - IAD

1 stop11h 26mFrontier

Deal found 9/15

$130

Sun 10/55:00 pmAUS - IAD

2 stops21h 39mFrontier

Deal found 9/13

$132

Sat 10/47:50 amAUS - IAD

2 stops14h 06mFrontier

Deal found 9/13

$134

Fri 9/265:29 pmAUS - IAD

1 stop5h 46mFrontier

Deal found 9/14

$135

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 10/29

8:35 am-4:29 pm

1 stop6h 54m

Washington, D.C. Dulles Intl

Sun 11/9

6:00 am-11:15 am

1 stop6h 15m

$237

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 10/9

4:55 pm-9:12 pm

Nonstop3h 17m

Washington, D.C. Dulles Intl

Tue 10/14

8:25 am-10:56 am

Nonstop3h 31m

$377

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Tue 10/14

12:05 pm-4:22 pm

Nonstop3h 17m

Washington, D.C. Dulles Intl

Tue 10/21

12:50 pm-5:30 pm

1 stop5h 40m

$387

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Wed 10/8

12:48 pm-8:55 pm

1 stop7h 07m

Washington, D.C. Dulles Intl

Sat 10/11

5:55 pm-8:26 pm

Nonstop3h 31m

$387

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 10/9

12:05 pm-4:22 pm

Nonstop3h 17m

Washington, D.C. Dulles Intl

Fri 10/17

10:45 am-3:18 pm

1 stop5h 33m

$397

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 11/7

3:40 pm-11:30 pm

1 stop6h 50m

Washington, D.C. Dulles Intl

Sat 11/15

5:00 am-5:05 pm

2 stops13h 05m

$418

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 10/23

7:15 am-11:32 am

Nonstop3h 17m

Washington, D.C. Dulles Intl

Sun 10/26

8:25 am-11:11 am

Nonstop3h 46m

$433

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 11/13

7:15 am-11:21 am

Nonstop3h 06m

Washington, D.C. Dulles Intl

Sun 11/16

8:25 am-11:11 am

Nonstop3h 46m

$433

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sat 10/25

7:10 am-11:27 am

Nonstop3h 17m

Washington, D.C. Dulles Intl

Sun 10/26

8:25 am-11:11 am

Nonstop3h 46m

$433

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 11/7

7:15 am-11:21 am

Nonstop3h 06m

Washington, D.C. Dulles Intl

Sun 11/9

1:05 pm-3:51 pm

Nonstop3h 46m

$443

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 20 results

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

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

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, August is the cheapest month in which you can book a flight from Austin to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Austin to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 morning. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight at noon.

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

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,954 reviews

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,929 reviews

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Allegiant Air

7.2

Good

699 reviews

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.8

Fair

3,172 reviews

Delta

8.0

Very good

7,954 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 8 flights from Austin Bergstrom to Washington, D.C. Dulles Intl per day from 6 different airlines.
How long is the flight from Austin to Washington, D.C. Dulles Intl Airport?
Airlines like Delta and United Airlines fly from Austin to Washington, D.C. Dulles Intl Airport in about 3h 17m. The time it takes to get you to your destination can typically vary by up to 3h 37m. 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 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 Delta ($119), Frontier ($130), and American Airlines ($147).
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 Lufthansa (82%), Brussels Airlines (79%) and Allegiant Air (75%).
What are the cheapest flights from Austin to Washington, D.C. Dulles Intl Airport?
On average you can expect to pay $1,102 for a flight from Austin to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $118 while the most popular route, (Austin Bergstrom - Washington, D.C. Dulles Intl) is currently priced at $147.
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, August is the cheapest month in which you can book a flight from Austin to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Austin to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 6 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$211	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$210	Average$428	FlexibilityNo cancel fee	On-time71%
Delta	Cheapest$236	Average$398	FlexibilityNo cancel fee	On-timeN/A
United Airlines	Cheapest$275	Average$532	FlexibilityNo cancel fee	On-time69%
Southwest	Cheapest$300	Average$588	FlexibilityNo cancel fee	On-time63%

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$116+ 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 9/30. 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

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find 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 September 15, 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 September 15, 2025.

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.

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

IAD

Our travel experts

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.

Cheapflights Insights

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

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

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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Alternative routes for Austin to Dulles Intl

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Top 6 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 September 15, 2025.