£151 Cheap Flights from Washington (IAD) to Austin (AUS)

View £151 flight on Thu, 17 Sept 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £151 for one-way flights and £319 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, 4 Aug - Wed, 12 Aug
IAD
Washington
AUS
Austin
£319 Return, found 19 hours ago
£319
Return
found 19 hours ago
Select Delta flight, departing Tue, 4 Aug from Washington to Austin, returning Wed, 12 Aug, priced at £319 found 19 hours ago
Delta
Tue, 4 Aug - Tue, 11 Aug
IAD
Washington
AUS
Austin
£324 Return, found 19 hours ago
£324
Return
found 19 hours ago
Select Delta flight, departing Tue, 4 Aug from Washington to Austin, returning Tue, 11 Aug, priced at £324 found 19 hours ago
Delta
Sat, 26 Sept - Tue, 13 Oct
IAD
Washington
AUS
Austin
£326 Return, found 19 hours ago
£326
Return
found 19 hours ago
Select Delta flight, departing Sat, 26 Sept from Washington to Austin, returning Tue, 13 Oct, priced at £326 found 19 hours ago
Delta
Tue, 4 Aug - Wed, 5 Aug
IAD
Washington
AUS
Austin
£330 Return, found 19 hours ago
£330
Return
found 19 hours ago
Select Delta flight, departing Tue, 4 Aug from Washington to Austin, returning Wed, 5 Aug, priced at £330 found 19 hours ago
Delta
Tue, 4 Aug - Thu, 13 Aug
IAD
Washington
AUS
Austin
£331 Return, found 19 hours ago
£331
Return
found 19 hours ago
Select Delta flight, departing Tue, 4 Aug from Washington to Austin, returning Thu, 13 Aug, priced at £331 found 19 hours ago
Delta
Tue, 4 Aug - Mon, 10 Aug
IAD
Washington
AUS
Austin
£343 Return, found 19 hours ago
£343
Return
found 19 hours ago
Select Delta flight, departing Tue, 4 Aug from Washington to Austin, returning Mon, 10 Aug, priced at £343 found 19 hours ago
Delta
Thu, 6 Aug - Tue, 11 Aug
IAD
Washington
AUS
Austin
£348 Return, found 19 hours ago
£348
Return
found 19 hours ago
Select Delta flight, departing Thu, 6 Aug from Washington to Austin, returning Tue, 11 Aug, priced at £348 found 19 hours ago
American Airlines
Tue, 16 Jun - Wed, 1 Jul
IAD
Washington
AUS
Austin
£355 Return, found 19 hours ago
£355
Return
found 19 hours ago
Select American Airlines flight, departing Tue, 16 Jun from Washington to Austin, returning Wed, 1 Jul, priced at £355 found 19 hours ago
United
Thu, 17 Sept - Fri, 18 Sept
IAD
Washington
AUS
Austin
£418 Return, found 2 days ago
£418
Return
found 2 days ago
Select United flight, departing Thu, 17 Sept from Washington to Austin, returning Fri, 18 Sept, priced at £418 found 2 days ago
Alaska Airlines
Fri, 29 May - Wed, 3 Jun
IAD
Washington
AUS
Austin
£430 Return, found 1 day ago
£430
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 29 May from Washington to Austin, returning Wed, 3 Jun, priced at £430 found 1 day ago

Alternative airports near Austin

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

Select flight to Austin-Bergstrom Intl. AUS. Cheapest and Closest option available. Average driving time to city centre is 11 minutes. Flights from £428
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city centre11 min
Flights from £428

Frequently asked questions

What is the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
September is typically the cheapest month to fly from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.), with average return fares of approximately £265. This is about 25% lower than the average price throughout the year. September often sees lower prices as the summer travel rush ends and before the holiday season begins, leading to reduced demand. Other cheap months to fly from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) include June and August.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
Enter IAD to AUS and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
To find a cheap flight from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The best airline to fly with from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) will differ from traveller to traveller. If you like to fly early, UA offers early morning flights. If price is the most important factor, UA typically offers the lowest fares. UA offers the most daily flights from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.), which is brilliant if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
If you're looking for the best time to fly from Washington Dulles Intl. (IAD) to Austin-Bergstrom Intl. (AUS), you'll find the cheapest fares in September and August, with average return flights costing around £265. These months are ideal if you're prioritising budget, as they typically fall outside of peak travel seasons, allowing you to save on your trip.*Prices based on flights available on Expedia in the last year.
How many flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
There are approximately 3 nonstop flights per day from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.). For even more choice, look at flights that include layovers, as there are around 56 connecting flights per day. Some common connection points include Seattle - Tacoma Intl. (SEA), Hartsfield-Jackson Atlanta Intl. (ATL), and Charlotte-Douglas Intl. (CLT).
What is the earliest flight from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The earliest flight from Washington Dulles Intl. (IAD) to Austin-Bergstrom Intl. (AUS) typically departs at approximately 5:00 AM local time, operated by American Airlines. This is a seasonal service active in February and March. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
You'll typically find the most flights from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) on a Sunday, with around 44 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United Airlines, Delta Air Lines, and American Airlines. Flight options are notably more on Sundays compared to other days of the week.
What are the most popular departure times for flights from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
The most popular departure times for flights from Washington Dulles Intl. (IAD) to Austin-Bergstrom Intl. (AUS) are in the early morning, from 6am to 9am. About 40% of passengers prefer this time window. Many major carriers, including United Airlines and Delta Air Lines, offer flights during this window. These times work well because you can get an early start to your travel day and arrive in Austin with plenty of time.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
Direct flights from IAD to AUS usually take about 3 hours 30 minutes, traveling roughly 1,295 miles. If you opt for a connecting flight, expect to add around 4 hours 30 minutes to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
Select the "Business class" and "First class" filters when looking for IAD to AUS flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight with Expedia?
It's easy to earn miles on a Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Austin from Washington Dulles Intl. (IAD)?
From Washington Dulles Intl. (IAD), you can fly into Austin-Bergstrom Intl. (AUS) to reach Austin. Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), San Diego Intl. (SAN), O'Hare Intl. (ORD) before reaching Austin. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) at the last minute?
Typically, booking a last minute flight from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight and hotel package?
Securing a Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
If you booked your Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Austin-Bergstrom Intl.
Airlines serving
Alaska Airlines
Return price
£319
Distance
2072 km
Average flight time
2 hours 46 mins

Book with confidence

Compare flights from Washington to Austin easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Washington to Austin. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Austin-Bergstrom Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Washington Dulles Intl. to Austin-Bergstrom Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Washington Dulles Intl. (IAD) to Austin-Bergstrom Intl. (AUS)

The easiest way to view the best deals on flights from Washington to Austin today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Washington Dulles Intl. to Austin-Bergstrom Intl. start at just £319 and range up to £430.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Washington and Austin
  • booking your flight during August, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Washington to Austin flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Washington Dulles Intl. to Austin-Bergstrom Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Washington to Austin easily and book with confidence

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*Available to Expedia members.