$179 Cheap United flights from Austin to Washington (AUS to IAD)

Find The Best Day To Fly from Austin to Washington

Amazing United AUS to IAD Flight Deals

The cheapest flights to Washington Dulles Intl. found within the past 7 days were $390 round trip and $179 one way. Prices and availability subject to change. Additional terms may apply.

Tue, Oct 14 - Sat, Oct 18
AUS
Austin
IAD
Washington
$390 Roundtrip, found 1 day ago
$390
Roundtrip
found 1 day ago
Select United flight, departing Tue, Oct 14 from Austin to Washington, returning Sat, Oct 18, priced at $390 found 1 day ago

IAD From AUS Economy Coach Packages on Similar Airlines

Price found within the past 48 hours. Click for updated prices.
Kellogg Conference Hotel at Gallaudet University

Kellogg Conference Hotel at Gallaudet University

3 out of 5
Price was $906, price is now $678 per person
$678
per person
Nov 9 - Nov 14
found 1 day ago
Roundtrip non-stop flight included
Austin (AUS) to Washington (DCA)
Rosewood Washington, D.C.

Rosewood Washington, D.C.

5 out of 5
Save 100% on your flight
Price was $2,573, price is now $1,886 per person
$1,886
per person
Oct 9 - Oct 13
found 19 hours ago
Roundtrip non-stop flight included
Austin (AUS) to Washington (DCA)
Don't see what you're looking for?
See all available trips from Austin-Bergstrom Intl. to Washington Dulles Intl.
View all trips

Frequently asked questions

Can I catch a flight from Austin–Bergstrom International Airport to Dulles Intl. Airport right now?
For info on any present Washington Dulles Intl. Airport (IAD) quarantine requirements and travel advice, go to the Covid-19 Travel Advisor. Check before you arrange your flight, so you don't get caught out.
What terminal is United Airlines at AUS?
Check your ticket to find out which Austin–Bergstrom International Airport terminal you'll be taking off from on your way to Washington Dulles Intl. Airport (IAD) with United Airlines. If you can't find the information on there, get in touch with your airline.
Are there United Airlines non-stop flights from AUS to IAD?
If you're traveling from AUS to Washington Dulles Intl. Airport (IAD) and want to fly nonstop, United Airlines will sort you out. Reserve your ticket now and you'll be arriving at the other end before you know it.
How long is a United Airlines flight from AUS to IAD?
From the minute your United Airlines aircraft gets pushed back from the gate at Austin-Bergstrom Intl. Airport (AUS) to the moment it pulls into Washington Dulles Intl. Airport (IAD), your plane ride will last roughly 3 hours and 32 minutes. With such a short flight time, it's a great spur-of-the-moment escape.
What type of aircraft does United Airlines fly from AUS to IAD?
When you fly the skies between AUS and IAD with United Airlines, you'll probably be doing it aboard the Airbus A319. The carrier also operates the Airbus A320 on this flight path.
How many direct and indirect flights does United Airlines fly from AUS to IAD?
You can choose between around 3 flights per day with United Airlines from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD).
If I am not able to travel due to COVID-19, can I change my booking to a later date?
For more info about changing your flight to Dulles Intl. Airport, please visit our Customer Service Portal.
What is the best day to buy a plane ticket?
This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.
What are the cheapest days to fly?
Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.
How far in advance can you book a flight?
Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.

Discover our best United flight from Austin AUS to Washington IAD 

To find the best deals on flights to Austin from Washington with United, just enter your travel dates, filter by United, and hit search. You’ll find 3 flights to choose from and can sort by price, flight duration, and arrival or departure time.  

 

Return flights from Austin AUS to Washington IAD with United 

If you’re planning a round trip, booking return flights with United is usually the most cost-effective option. With airfares ranging from $390 to $390, it’s easy to find a flight that suits your budget. Prices and availability subject to change. Additional terms may apply. 

 

Book one-way United flights from Austin AUS to Washington IAD 

A one-way ticket gives you much greater flexibility—allowing you to choose your return date, destination, and time whenever you’re ready. By booking in advance you can find great deals on one-way tickets too. Right now, a one-way United flight from Austin to Washington costs from $179. Prices and availability subject to change. Additional terms may apply. 

 

The easy way to find cheap flights to Washington IAD from  Austin AUS with United 

To find a cheap United flight from Austin AUS to Washington IAD, sort your search results by price or filter by budget. Thanks to Travelocity’s Price Match Promise, if you find a better airfare deal anywhere else within 24 hours, we’ll credit or refund the difference. 

 

How to find our best airfare deals on United flights from Austin AUS to Washington IAD 

If you’re looking for cheap flights, it helps to be flexible when it comes to your travel dates. You’ll usually find lower cost tickets when you travel during quieter months such as October, or if you book a flight with a stopover. 

 

Find nonstop flights from Austin AUS to Washington IAD with United 

If you’re keen to be on Washington soil fast, don’t waste time with a stopover—filter your search results to show direct United flights only. The journey takes around 5 hour(s) 16 min(s) – so you’ll be there before you know it. 

 

Flexible airline tickets for United flights from Austin AUS to Washington IAD 

Make sure you’re not out of pocket if plans change by choosing a flexible ticket with penalty-free amendment and cancellation options. Use our ‘no change fee’ filter to see which flights have this option.  

 

There are a lot of reasons to book your flights to Washington IAD from  Austin AUS with United on Travelocity 

At Travelocity our vast and up-to-the-minute inventory puts all of our best flight deals in one place. So, whether you’re traveling on business or jetting off with friends and family, you can trust Travelocity to get you there.

United Airports
Hop on a(n) United flight today by flying to many destinations out of these domestic and international airports:
Airport code
Country
Airport name
Number of flights
ORDUSAO'Hare Intl.227
DENUSADenver Intl.226
IAHUSAGeorge Bush Intercontinental136
IADUSAWashington Dulles Intl.100
SFOUSASan Francisco Intl.64
LAXUSALos Angeles Intl.23
EWRUSALiberty Intl.20
FRADEUFrankfurt Intl.19
NRTJPNNarita Intl.19
PEKCHNCapital Intl.16

Travelers ❤️ these 🏨 after their flight to Washington

Hyatt Regency Dulles

Hyatt Regency Dulles

4 out of 5
2300 Dulles Corner Blvd, Herndon, VA
This hotel features an indoor pool, A 24-hour gym, and a restaurant. Traveling on business? Take advantage of the 24-hour business center, free WiFi in public ...
8.8/10 Excellent! (1,440 reviews)
"The hotel was clean, very nice and quiet. The shuttle easily took me to the airport. It runs on a half hour time schedule and you should come at least 5-10 minutes ahead to guarantee that you will make it to the shuttle."

Reviewed on Sep 18, 2025

Hyatt Regency Dulles
Hyatt Place Herndon Dulles Airport East

Hyatt Place Herndon Dulles Airport East

3 out of 5
13711 Sayward Blvd, Herndon, VA
This hotel features a restaurant, an indoor pool, and a bar/lounge. Traveling on business? Take advantage of the free WiFi in public areas, express check-out, ...
8.2/10 Very Good! (2,503 reviews)
"Very friendly staff, airport transportation, dining options with transportation.. need to remove or replace rugs .. clean rooms.."

Reviewed on Sep 17, 2025

Hyatt Place Herndon Dulles Airport East
Courtyard by Marriott Dulles Airport Herndon

Courtyard by Marriott Dulles Airport Herndon

3 out of 5
13715 Sayward Blvd, Herndon, VA
This hotel features a restaurant, a 24-hour gym, and a bar/lounge. Traveling on business? Take advantage of the business center, free WiFi in public areas, and ...
8.8/10 Excellent! (1,009 reviews)
"The people in this hotel have a good service attitude. Drivers who pick up and drop off at the airport very polite. The room is also very clean. The only thing is the food provided by the restaurant inside.There are not many kinds. But all the food tastes good.The price is also very reasonable."

Reviewed on Sep 15, 2025

Courtyard by Marriott Dulles Airport Herndon
Lowest nightly price found within the past 24 hours based on a 1 night stay for 2 adults. Prices and availability subject to change. Additional terms may apply.
*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.