$105 Cheap Flights from Washington (IAD) to Austin (AUS)

View $105 flight on Tue, Aug 4, 2026Opens in a new window

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

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Cheap Flights from Washington to Austin (IAD-AUS)

Prices were available within the past 7 days and start at $105 for one-way flights and $210 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Tue, Jun 2 - Wed, Jun 3
IAD
Washington
AUS
Austin
$210 Roundtrip, found 2 hours ago
$210
Roundtrip
found 2 hours ago
Select Frontier Airlines flight, departing Tue, Jun 2 from Washington to Austin, returning Wed, Jun 3, priced at $210 found 2 hours ago
Frontier Airlines
Wed, Aug 12 - Wed, Aug 19
IAD
Washington
AUS
Austin
$220 Roundtrip, found 6 hours ago
$220
Roundtrip
found 6 hours ago
Select Frontier Airlines flight, departing Wed, Aug 12 from Washington to Austin, returning Wed, Aug 19, priced at $220 found 6 hours ago
Frontier Airlines
Tue, Aug 4 - Sat, Aug 8
IAD
Washington
AUS
Austin
$224 Roundtrip, just found
$224
Roundtrip
just found
Select Frontier Airlines flight, departing Tue, Aug 4 from Washington to Austin, returning Sat, Aug 8, priced at $224 just found
Frontier Airlines
Wed, Jun 3 - Mon, Jun 8
IAD
Washington
AUS
Austin
$234 Roundtrip, just found
$234
Roundtrip
just found
Select Frontier Airlines flight, departing Wed, Jun 3 from Washington to Austin, returning Mon, Jun 8, priced at $234 just found
Frontier Airlines
Wed, May 20 - Mon, Jun 8
IAD
Washington
AUS
Austin
$236 Roundtrip, found 2 days ago
$236
Roundtrip
found 2 days ago
Select Frontier Airlines flight, departing Wed, May 20 from Washington to Austin, returning Mon, Jun 8, priced at $236 found 2 days ago
Frontier Airlines
Thu, Jun 4 - Mon, Jun 8
IAD
Washington
AUS
Austin
$238 Roundtrip, just found
$238
Roundtrip
just found
Select Frontier Airlines flight, departing Thu, Jun 4 from Washington to Austin, returning Mon, Jun 8, priced at $238 just found
American Airlines
Wed, Jun 17 - Wed, Jun 24
IAD
Washington
AUS
Austin
$371 Roundtrip, found 23 hours ago
$371
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Wed, Jun 17 from Washington to Austin, returning Wed, Jun 24, priced at $371 found 23 hours ago
United
Wed, Aug 19 - Wed, Aug 26
IAD
Washington
AUS
Austin
$397 Roundtrip, found 9 hours ago
$397
Roundtrip
found 9 hours ago
Select United flight, departing Wed, Aug 19 from Washington to Austin, returning Wed, Aug 26, priced at $397 found 9 hours ago
Delta
Wed, Aug 19 - Wed, Aug 26
IAD
Washington
AUS
Austin
$417 Roundtrip, found 9 hours ago
$417
Roundtrip
found 9 hours ago
Select Delta flight, departing Wed, Aug 19 from Washington to Austin, returning Wed, Aug 26, priced at $417 found 9 hours ago
Alaska Airlines
Tue, Sep 15 - Tue, Sep 22
IAD
Washington
AUS
Austin
$473 Roundtrip, found 14 hours ago
$473
Roundtrip
found 14 hours ago
Select Alaska Airlines flight, departing Tue, Sep 15 from Washington to Austin, returning Tue, Sep 22, priced at $473 found 14 hours 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 center is 11 minutes. Flights from $416
AUS
Austin-Bergstrom Intl.
CheapestClosest
Average driving time to city center11 min
Flights from $416

Frequently asked questions

How much does a flight from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) cost?
You can find cheap one-way flights and cheap return flights from $210 Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) with Expedia. One-way flights generally range between $225 and $1187, and roundtrip flights usually range from $404 to $1729. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
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) to Austin, TX (AUS), with average round-trip fares around $355. This price is about 25% lower than the average throughout the year, as demand tends to decrease after the summer travel season. Other cheap months to fly from Washington, DC to Austin 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.)?
United offers around 24 weekly direct flights from IAD to AUS.
What is the cheapest airline that flies from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
United is one of the cheapest airlines offering nonstop flights from Washington, DC (IAD) to Austin (AUS), with round-trip tickets starting from around $149. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
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) to Austin, TX (AUS) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. United offers the most daily flights from Washington to Austin, which is great 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.)?
The ideal times to fly from Washington, DC (IAD) to Austin, TX (AUS) are August and September. With average return flight prices around $355, these months provide a great mix of affordability and good weather. August is particularly popular, allowing you to experience Austin's vibrant culture without the summer crowds.*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.)?
On average, there are around 3 nonstop flights per day from Washington Dulles Intl. (IAD) to Austin-Bergstrom Intl. (AUS). For more options, look at flights that include layovers.
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 International Airport (IAD) to Austin-Bergstrom International Airport (AUS) usually leaves at around 5:00 AM. This seasonal service is available in February and March, giving you a head start on your day in Austin. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
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, DC (IAD) to Austin, TX (AUS) are in the early morning, from 6am to 9am. About 41% of passengers prefer this time window. Many major carriers, including United and Delta, offer flights during this window. This timing works well because it allows you to arrive in Austin with a full day ahead to enjoy the city.
How long does it take to fly from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
Flying nonstop from IAD to AUS takes around 3 hours 50 minutes, with the route covering approximately 1,295 miles. Flights with a layover typically take 4 hours 10 minutes longer than direct options. 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.)?
First class is available on flights from IAD to AUS. First class cabins are available on:

  • Delta Air Lines
  • American Airlines
  • United Airlines

How much is a business class flight from Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.)?
A direct, return business class ticket from Washington, DC (IAD) to Austin (AUS) typically costs between $1,646 - $2,410. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Washington, DC (IAD-Washington Dulles Intl.) to Austin, TX (AUS-Austin-Bergstrom Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
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)?
If you're planning to travel to Austin from Washington Dulles Intl. (IAD), you can fly into Austin-Bergstrom Intl. (AUS) Some flights may connect through major hubs like Seattle - Tacoma Intl. (SEA), O'Hare Intl. (ORD), San Diego Intl. (SAN) 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.) Austin Vacation Packages 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, American Airlines, Delta, Frontier Airlines, Southwest Airlines, United
Roundtrip price
$210
Distance
1295 mi
Average flight time
2 hours 46 mins

Book with confidence

Washington to Austin Flights

The cheapest times to fly from Washington to Austin

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 Washington to Austin are during the month of June. You can find some of the cheapest flights from Washington to Austin with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Austin

Sunday is one of the best days to book for cheap flights from Washington to Austin: 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 Washington to Austin

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 Washington to Austin in 2026. You can also book with separate airlines for your outbound and return journeys, from $105 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 Washington to Austin 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 Washington to Austin 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.

 

Washington to Austin Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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