$76 Cheap Flights from Austin (AUS) to Washington (IAD)

View $76 flight on Thu, Nov 13, 2025Opens in a new window

Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)

Cheap Flights from Austin to Washington (AUS-IAD)

Prices were available within the past 7 days and start at $76 for one-way flights and $137 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Fri, Nov 14 - Thu, Nov 20
AUS
Austin
IAD
Washington
$137 Roundtrip, found 8 hours ago
$137
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Austin to Washington, returning Thu, Nov 20, priced at $137 found 8 hours ago
Frontier Airlines
Thu, Nov 13 - Mon, Nov 17
AUS
Austin
IAD
Washington
$140 Roundtrip, just found
$140
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Nov 13 from Austin to Washington, returning Mon, Nov 17, priced at $140 just found
Frontier Airlines
Thu, Nov 13 - Fri, Nov 14
AUS
Austin
IAD
Washington
$147 Roundtrip, found 2 hours ago
$147
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Nov 13 from Austin to Washington, returning Fri, Nov 14, priced at $147 found 2 hours ago
Frontier Airlines
Fri, Nov 14 - Thu, Nov 20
AUS
Austin
IAD
Washington
$181 Roundtrip, found 8 hours ago
$181
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Austin to Washington, returning Thu, Nov 20, priced at $181 found 8 hours ago
Frontier Airlines
Fri, Nov 14 - Thu, Nov 20
AUS
Austin
IAD
Washington
$185 Roundtrip, found 8 hours ago
$185
Roundtrip
found 8 hours ago
Select Frontier Airlines flight, departing Fri, Nov 14 from Austin to Washington, returning Thu, Nov 20, priced at $185 found 8 hours ago
Frontier Airlines
Thu, Nov 6 - Mon, Nov 17
AUS
Austin
IAD
Washington
$186 Roundtrip, found 2 hours ago
$186
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Thu, Nov 6 from Austin to Washington, returning Mon, Nov 17, priced at $186 found 2 hours ago
American Airlines
Wed, Feb 18 - Fri, Feb 20
AUS
Austin
IAD
Washington
$257 Roundtrip, found 3 days ago
$257
Roundtrip
found 3 days ago
Select American Airlines flight, departing Wed, Feb 18 from Austin to Washington, returning Fri, Feb 20, priced at $257 found 3 days ago
Southwest Airlines
Wed, Jan 7 - Mon, Jan 12
AUS
Austin
IAD
Washington
$375 Roundtrip, found 1 hour ago
$375
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Jan 7 from Austin to Washington, returning Mon, Jan 12, priced at $375 found 1 hour ago
Hawaiian Airlines
Tue, Dec 9 - Tue, Dec 16
AUS
Austin
IAD
Washington
$382 Roundtrip, found 12 hours ago
$382
Roundtrip
found 12 hours ago
Select Hawaiian Airlines flight, departing Tue, Dec 9 from Austin to Washington, returning Tue, Dec 16, priced at $382 found 12 hours ago
United
Wed, Jan 7 - Mon, Jan 12
AUS
Austin
IAD
Washington
$387 Roundtrip, found 1 hour ago
$387
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Jan 7 from Austin to Washington, returning Mon, Jan 12, priced at $387 found 1 hour ago

Find the cheapest month to fly from Austin (AUS) to Washington (IAD)

September is typically the cheapest month to fly

From $157 - $502 per traveler.

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $147
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $147

Frequently asked questions

How much does a flight from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD) cost?
Secure a cheap one-way flight from $76 or cheap return flight from $137 from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
November is the most affordable month to fly from AUS to IAD. Traveling outside of peak seasons is often the key to finding a great deal.
Which airlines fly direct from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
Jump on a nonstop flight with United Airlines and head straight from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD).
What is the cheapest airline that flies from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
Expedia's filter tool lets you easily compare different airlines, travel time and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest AUS to IAD flight.
How many flights per day from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
Daily, an average of 2 direct flights operate from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD). Select the departure date that fits your schedule best.
What are the most popular departure times for flights from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
Flights between AUS and IAD tend to be busiest at 5 PM. If you're after a quieter experience and possibly cheaper tickets, choose a departure outside the usual busy windows.
What day of the week has the most flights from AUS to IAD?
Jet off on a Friday if you're after the best choice of flights from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
Take the earliest flight at around 7:05AM UTC-6, departing from Austin-Bergstrom Intl. Airport (AUS). You'll be flying for approximately 3h 17m, arriving at Washington Dulles Intl. Airport (IAD) at approximately 11:22AM UTC-5.
How long does it take to fly from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
The average flight time from AUS to IAD is 3 hours and 12 minutes, covering a total distance of 1,300 mi.
What airline has the least delays from AUS to IAD?
Frontier Airlines has the best track record for on-time direct flights from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD), with an on-time rating of 100%. Use the Expedia App to look up your flight schedule before you head off and receive notifications about any trip changes.
What is the best time to fly from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD) route, travel before 3 PM. Departures after this hour have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from Austin-Bergstrom Intl. Airport (AUS)?
Come in for landing at any of these Washington airports after your direct flight from Austin-Bergstrom Intl. Airport (AUS):

  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)
  • Ronald Reagan Washington National Airport (DCA)

Is it cheaper to buy a plane ticket from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from AUS to IAD are usually more expensive. To secure the cheapest rates, start looking for flights as early as possible. That being said, if your travel plans are flexible, it's possible to score a cheap ticket just before your departure.
Is it cheaper to book an AUS to IAD flight and hotel package?
You'll typically save money by booking an AUS to IAD flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one convenient place. Once you've chosen your ideal flights and accommodations, consider adding extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
Usually, it's possible to reschedule or cancel your AUS to IAD flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Refer to your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, Hawaiian Airlines, Southwest Airlines, United
Roundtrip price
$137
Distance
1295 mi
Average flight time
5 hours 22 mins

Book with confidence

Austin to Washington Flights

The cheapest times to fly from Austin to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Austin to Washington are during the month of November. You can find some of the cheapest flights from Austin to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Austin to Washington

Sunday is one of the best days to book for cheap flights from Austin to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Austin to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Austin to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $76 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Austin to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Austin to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Austin to Washington Flights

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*Available to One Key members.