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

About 9% of weekly flights between Austin and Washington, D.C. have experienced delays in the past year, with the average delay time being 154 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 6% 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 Sunday has historically faced a higher average of delays compared to other days of the week.

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 10m. The time it takes to get you to your destination can typically vary by up to 3h 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?

Delta, at $118, was found to be the cheapest airline from Austin to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Allegiant Air and Frontier. Delta is priced at 78% lower than the current average price of a flight leaving 3 months from now.

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

The most flights from AUS to IAD are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 $1,780 for a flight from Austin to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $158 while the most popular route, (Austin Bergstrom - Washington, D.C. Dulles Intl) is currently priced at $211.

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 Mesa Airlines (94%), ITA Airways (93%) and United Airlines (92%).

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 Frontier 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 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.

$147+ 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 July or October, booked 90 days in advance, depart on a Friday or Thursday and return on a Saturday

Cheap flight deals from Austin to Dulles Intl

Cheapest

Best

Last-minute

One-way

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 2, 2026.

Thu 9/2411:04 pm -

1 stop30h 16m

Sun 9/276:00 am -

1 stop30h 15m

Deal found 8/28

$272

Thu 9/2410:58 am -

1 stop22h 19m

Tue 9/296:00 am -

1 stop9h 37m

Deal found 8/30

$274

Fri 9/256:33 pm -

2 stops23h 00m

Tue 9/297:50 am -

1 stop10h 58m

Deal found 9/1

$275

Mon 10/1212:08 pm -

1 stop28h 05m

Fri 10/169:06 pm -

1 stop14h 51m

Deal found 9/1

$276

Mon 10/1912:08 pm -

1 stop11h 13m

Tue 10/279:06 pm -

2 stops23h 20m

Deal found 9/1

$277

Tue 9/223:32 pm -

1 stop13h 48m

Thu 9/247:50 am -

1 stop10h 58m

Deal found 8/31

$278

Thu 9/2411:04 pm -

1 stop30h 16m

Sat 9/2611:12 am -

1 stop23h 51m

Deal found 8/30

$280

Sat 9/1910:58 am -

2 stops12h 12m

Wed 9/237:50 am -

1 stop10h 58m

Deal found 8/28

$281

Mon 9/2810:58 am -

2 stops12h 12m

Thu 10/17:50 am -

1 stop10h 58m

Deal found 9/2

$282

Thu 10/16:33 pm -

1 stop21h 45m

Tue 10/69:04 pm -

1 stop21h 44m

Deal found 9/1

$283

Wed 9/163:32 pm -

1 stop13h 48m

Tue 9/226:00 am -

1 stop9h 37m

Deal found 8/28

$284

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 2, 2026.

Wed 10/146:20 am -

1 stop6h 48m

Fri 10/165:13 pm -

1 stop5h 55m

Deal found 8/28

$384

Mon 11/165:10 pm -

Nonstop3h 10m

Sat 11/218:30 am -

Nonstop3h 51m

Deal found 9/2

$480

Thu 11/52:24 pm -

1 stop5h 25m

Sun 11/88:30 am -

Nonstop3h 49m

Deal found 9/2

$490

Sat 10/36:50 am -

1 stop6h 09m

Sun 10/48:30 am -

Nonstop3h 31m

Deal found 9/1

$490

Fri 9/255:14 pm -

Nonstop3h 16m

Sat 9/2612:35 pm -

Nonstop3h 30m

Deal found 8/31

$501

Fri 9/255:14 pm -

Nonstop3h 16m

Mon 9/288:30 am -

Nonstop3h 31m

Deal found 8/28

$501

Tue 10/279:38 am -

1 stop5h 55m

Sat 11/78:30 am -

Nonstop3h 51m

Deal found 8/31

$511

Tue 10/135:14 pm -

Nonstop3h 16m

Mon 10/195:20 pm -

1 stop6h 38m

Deal found 8/29

$511

Sat 9/195:04 pm -

Nonstop3h 16m

Wed 9/2310:41 am -

1 stop6h 44m

Deal found 8/28

$511

Thu 10/87:15 am -

Nonstop3h 14m

Sun 10/1112:35 pm -

Nonstop3h 30m

Deal found 8/28

$532

Fri 10/25:14 pm -

Nonstop3h 16m

Sun 10/412:35 pm -

Nonstop3h 30m

Deal found 8/31

$532

Thu 10/87:15 am -

Nonstop3h 14m

Mon 10/125:54 pm -

1 stop6h 00m

Deal found 8/28

$539

Last-minute flights from Austin to Dulles Intl
Discover last-minute flight deals from Austin to Dulles Intl. Data last updated September 2, 2026 and is based on user searches.

Tue 9/223:32 pm -

1 stop13h 48m

Thu 9/247:50 am -

1 stop10h 58m

Deal found 8/31

$278

Thu 9/2411:04 pm -

1 stop30h 16m

Sun 9/276:00 am -

1 stop30h 15m

Deal found 9/1

$272

Thu 9/2410:58 am -

1 stop22h 19m

Tue 9/296:00 am -

1 stop9h 37m

Deal found 8/30

$274

Thu 9/2411:04 pm -

1 stop30h 16m

Sat 9/2611:12 am -

1 stop23h 51m

Deal found 8/30

$280

Fri 9/256:33 pm -

2 stops23h 00m

Tue 9/297:50 am -

1 stop10h 58m

Deal found 9/1

$275

Mon 9/2810:58 am -

2 stops12h 12m

Thu 10/17:50 am -

1 stop10h 58m

Deal found 9/2

$282

Tue 9/2910:58 am -

2 stops12h 12m

Thu 10/17:50 am -

1 stop10h 58m

Deal found 9/2

$281

Thu 10/16:33 pm -

1 stop21h 45m

Tue 10/69:04 pm -

1 stop21h 44m

Deal found 9/1

$283

Mon 10/1212:08 pm -

1 stop28h 05m

Fri 10/169:06 pm -

1 stop14h 51m

Deal found 9/1

$276

Mon 10/1912:08 pm -

1 stop11h 13m

Tue 10/279:06 pm -

2 stops23h 20m

Deal found 9/1

$277

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 2, 2026.

Sat 10/1712:08 pm -

1 stop11h 13m

Deal found 8/31

$147

Tue 11/2411:07 am -

1 stop6h 39m

Deal found 8/31

$149

Thu 10/110:58 am -

2 stops12h 12m

Deal found 9/1

$152

Tue 12/15:20 am -

1 stop8h 20m

Deal found 8/30

$153

Tue 10/610:58 am -

2 stops12h 12m

Deal found 9/1

$154

Tue 9/2210:58 am -

1 stop22h 19m

Deal found 9/2

$156

Sun 9/2712:12 pm -

1 stop17h 08m

Deal found 8/31

$157

Mon 9/216:33 pm -

1 stop21h 45m

Deal found 8/31

$158

Tue 9/158:24 pm -

2 stops43h 54m

Deal found 8/29

$159

Fri 10/169:12 pm -

2 stops26h 09m

Deal found 9/1

$160

Find flight deals from Austin to Dulles Intl

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$272 (Expedia)
One-way from	$147 (CheapOair)
Popular in	January
Cheapest in	July
Average price	$551
Good round-trip deal	$552 or less
Good one-way deal	$224 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. 12% potential increase in price ($78 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

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

Cheapest round-trip

AustinWashington, D.C.

AUS Austin Bergstrom - IAD Washington, D.C. Dulles Intl

AUSIAD

Austin Bergstrom

Wed 10/14

6:20 am-2:08 pm

1 stop6h 48m

Washington, D.C. Dulles Intl

Fri 10/16

5:13 pm-10:08 pm

1 stop5h 55m

$384

AustinWashington, D.C.

AUS Austin Bergstrom - IAD Washington, D.C. Dulles Intl

AUSIAD

Austin Bergstrom

Mon 11/16

5:10 pm-9:20 pm

Nonstop3h 10m

Washington, D.C. Dulles Intl

Sat 11/21

8:30 am-11:21 am

Nonstop3h 51m

$480

AustinWashington, D.C.

AUS Austin Bergstrom - IAD Washington, D.C. Dulles Intl

AUSIAD

Austin Bergstrom

Thu 11/5

2:24 pm-8:49 pm

1 stop5h 25m

Washington, D.C. Dulles Intl

Sun 11/8

8:30 am-11:19 am

Nonstop3h 49m

$490

AustinWashington, D.C.

AUS Austin Bergstrom - IAD Washington, D.C. Dulles Intl

AUSIAD

Austin Bergstrom

Sat 10/3

6:50 am-1:59 pm

1 stop6h 09m

Washington, D.C. Dulles Intl

Sun 10/4

8:30 am-11:01 am

Nonstop3h 31m

$490

AustinWashington, D.C.

AUS Austin Bergstrom - IAD Washington, D.C. Dulles Intl

AUSIAD

Austin Bergstrom

Fri 9/25

5:14 pm-9:30 pm

Nonstop3h 16m

Washington, D.C. Dulles Intl

Sat 9/26

12:35 pm-3:05 pm

Nonstop3h 30m

$501

AustinWashington, D.C.

AUS Austin Bergstrom - IAD Washington, D.C. Dulles Intl

AUSIAD

Austin Bergstrom

Fri 9/25

5:14 pm-9:30 pm

Nonstop3h 16m

Washington, D.C. Dulles Intl

Mon 9/28

8:30 am-11:01 am

Nonstop3h 31m

$501

AustinWashington, D.C.

AUS Austin Bergstrom - IAD Washington, D.C. Dulles Intl

AUSIAD

Austin Bergstrom

Tue 10/27

9:38 am-4:33 pm

1 stop5h 55m

Washington, D.C. Dulles Intl

Sat 11/7

8:30 am-11:21 am

Nonstop3h 51m

$511

AustinWashington, D.C.

AUS Austin Bergstrom - IAD Washington, D.C. Dulles Intl

AUSIAD

Austin Bergstrom

Tue 10/13

5:14 pm-9:30 pm

Nonstop3h 16m

Washington, D.C. Dulles Intl

Mon 10/19

5:20 pm-10:58 pm

1 stop6h 38m

$511

AustinWashington, D.C.

AUS Austin Bergstrom - IAD Washington, D.C. Dulles Intl

AUSIAD

Austin Bergstrom

Sat 9/19

5:04 pm-9:20 pm

Nonstop3h 16m

Washington, D.C. Dulles Intl

Wed 9/23

10:41 am-4:25 pm

1 stop6h 44m

$511

Quickest round-trip

AustinWashington, D.C.

AUS Austin Bergstrom - IAD Washington, D.C. Dulles Intl

AUSIAD

Austin Bergstrom

Thu 10/8

7:15 am-11:29 am

Nonstop3h 14m

Washington, D.C. Dulles Intl

Sun 10/11

12:35 pm-3:05 pm

Nonstop3h 30m

$532

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/1

Showing 1-10 of 24 resultsSorted by cheapest first

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 September.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
BudgetAir	Price Accuracy2 stars	Trust Score*3 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 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.

AUS-IAD

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 87 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, July is the cheapest month in which you can book a flight from Austin to Washington, D.C. Dulles Intl Airport (average of $428). Flying from Austin to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $761). 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 23% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Austin to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Austin to Washington, D.C. Dulles Intl Airport flights typically cost between $466 and $776 in September.
The cheapest round-trip price found within the last 5 days was $272 on Frontier (Sep 24-Sep 27).

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

Our travel experts

Ramsey Qubein

Expert on IAD and AUS

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.

Get a feel of what it's like to fly with Delta,United Airlines, andAllegiant Air 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

7.8

Good

8,544 reviews

Reviews

1 / 20

10.0

Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

Delta

7.8

Good

8,544 reviews

Delta

7.8

Good

8,544 reviews

Reviews

1 / 20

10.0

Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

United Airlines

7.4

Good

10,159 reviews

Delta

7.8

Good

8,544 reviews

Reviews

1 / 20

10.0

Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

Allegiant Air

7.3

Good

676 reviews

Delta

7.8

Good

8,544 reviews

Reviews

1 / 20

10.0

Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

American Airlines

7.1

Good

12,022 reviews

Delta

7.8

Good

8,544 reviews

Reviews

1 / 20

10.0

Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

Frontier

5.6

Fair

2,628 reviews

Delta

7.8

Good

8,544 reviews

Reviews

1 / 20

10.0

Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

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 Delta and United Airlines fly from Austin to Washington, D.C. Dulles Intl Airport in about 3h 10m. The time it takes to get you to your destination can typically vary by up to 3h 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?
Delta, at $118, was found to be the cheapest airline from Austin to Washington, D.C. Dulles Intl Airport.Alternate airlines to your destination round-trip include Allegiant Air and Frontier. Delta is priced at 78% 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 ($75), Allegiant Air ($102), and Delta ($122).
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 Mesa Airlines (94%), ITA Airways (93%) and United Airlines (92%).
What are the cheapest flights from Austin to Washington, D.C. Dulles Intl Airport?
On average you can expect to pay $1,780 for a flight from Austin to Washington, D.C. Dulles Intl Airport. The cheapest flight overall is $158 while the most popular route, (Austin Bergstrom - Washington, D.C. Dulles Intl) is currently priced at $211.
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, July is the cheapest month in which you can book a flight from Austin to Washington, D.C. Dulles Intl Airport (average of $428). Flying from Austin to Washington, D.C. Dulles Intl Airport in January is currently the most expensive (average of $761). 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
Delta	Cheapest$118	Average$562	FlexibilityNo cancel fee	On-timeN/A
Allegiant Air	Cheapest$121	Average$253	FlexibilityNo cancel fee	On-time88%
Frontier	Cheapest$141	Average$240	FlexibilityNo cancel fee	On-time62%
American Airlines	Cheapest$311	Average$543	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$373	Average$559	FlexibilityNo cancel fee	On-time69%

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$147+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.

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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 September 2, 2026.

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 2, 2026.

Best flights from Austin to Dulles IntlDiscover 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 2, 2026.

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 2, 2026.

Last-minute flights from Austin to Dulles IntlDiscover last-minute flight deals from Austin to Dulles Intl. Data last updated September 2, 2026 and is based on user searches.

Discover last-minute flight deals from Austin to Dulles Intl. Data last updated September 2, 2026 and is based on user searches.

One-way flights from Austin to Dulles IntlSearch for one-way flight options from Austin to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.

Search for one-way flight options from Austin to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.

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Use the filters below to find and compare flights from Austin to Washington, D.C. Dulles Intl Airport that are best for you.

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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.

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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

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

Booking 87 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?

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 23% on your trip compared to booking a flight at noon.

How much does it cost to fly round-trip from Austin to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.

Austin to Washington, D.C. Dulles Intl Airport flights typically cost between $466 and $776 in September.The cheapest round-trip price found within the last 5 days was $272 on Frontier (Sep 24-Sep 27).

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

The most flights from AUS to IAD are scheduled on a Monday (8 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 on average).

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

About 9% of weekly flights between Austin and Washington, D.C. have experienced delays in the past year, with the average delay time being 154 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 Sunday 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, United Airlines have had the lowest number of delays on this route, with just 6% of flights being delayed.

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

AI-powered summary based on content written by travel experts. AI can make mistakes.

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, andAllegiant Air 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

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Other flights to Dulles Intl

Explore flights to Dulles Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 2, 2026.

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Austin and Dulles Intl flights

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 2, 2026.

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 2, 2026.

Last-minute flights from Austin to Dulles Intl
Discover last-minute flight deals from Austin to Dulles Intl. Data last updated September 2, 2026 and is based on user searches.

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 2, 2026.

Austin to Washington, D.C. Dulles Intl Airport flights typically cost between $466 and $776 in September.
The cheapest round-trip price found within the last 5 days was $272 on Frontier (Sep 24-Sep 27).