$114 Cheap Delta flights Austin (AUS) to Washington (IAD)

View $114 flight on Wed, Feb 4, 2026Opens in a new window

$114 Cheap Delta flights Austin (AUS) to Washington (IAD)

Prices were available within the past 7 days and start at $114 for one-way flights and $227 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Feb 10 - Tue, Feb 24
AUS
Austin
IAD
Washington
$227 Roundtrip, found 12 hours ago
$227
Roundtrip
found 12 hours ago
Select Delta flight, departing Tue, Feb 10 from Austin to Washington, returning Tue, Feb 24, priced at $227 found 12 hours ago
Delta
Wed, Feb 18 - Fri, Feb 20
AUS
Austin
IAD
Washington
$228 Roundtrip, found 23 hours ago
$228
Roundtrip
found 23 hours ago
Select Delta flight, departing Wed, Feb 18 from Austin to Washington, returning Fri, Feb 20, priced at $228 found 23 hours ago
Delta
Thu, Jan 15 - Tue, Jan 20
AUS
Austin
IAD
Washington
$230 Roundtrip, found 8 hours ago
$230
Roundtrip
found 8 hours ago
Select Delta flight, departing Thu, Jan 15 from Austin to Washington, returning Tue, Jan 20, priced at $230 found 8 hours ago
Delta
Thu, Dec 4 - Sun, Dec 7
AUS
Austin
IAD
Washington
$256 Roundtrip, found 2 hours ago
$256
Roundtrip
found 2 hours ago
Select Delta flight, departing Thu, Dec 4 from Austin to Washington, returning Sun, Dec 7, priced at $256 found 2 hours ago
Delta
Thu, Jan 8 - Sun, Jan 11
AUS
Austin
IAD
Washington
$257 Roundtrip, found 4 hours ago
$257
Roundtrip
found 4 hours ago
Select Delta flight, departing Thu, Jan 8 from Austin to Washington, returning Sun, Jan 11, priced at $257 found 4 hours ago

Frequently asked questions

How much is a Delta Air Lines flight from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
Use the "Price (lowest to highest)" filter on Expedia to search for cheap Delta Air Lines return flights from $227 from AUS to IAD. Affordable one-way fares from $114 are available too.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from AUS to IAD with Delta Air Lines?
Browse for round-trip or one-way flights to Washington in January or February. You could find cheaper fares with Delta Air Lines during these off-peak months.
What is the cheapest time to book flights from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD) with Delta Air Lines?
Start searching one to three months ahead of your travel date to get cheaper fares on Delta Air Lines flights from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD). You can save 25% by booking your domestic flight 34 to 86 days in advance versus last-minute reservations made 6 to 12 days out. You could also cut costs by buying your fare on a Sunday, as it's 6% cheaper on average than a Monday, the most expensive day to book.* Get your timing right, and you can enjoy significant savings on domestic trips.*Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does Delta Air Lines fly nonstop from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
Enter your dates, hit search and select the "Nonstop" filter on Expedia to browse any direct flights from AUS to IAD with Delta Air Lines or another carrier.
What is the earliest Delta Air Lines flight from AUS to IAD?
Search Delta Air Lines's earliest flights from AUS to IAD by checking our "Early Morning" and "Morning" filters. Not only will you get to where you're going sooner, early departures also experience 20% fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does Delta Air Lines fly into in Washington?
Delta Air Lines flights from Austin-Bergstrom Intl. Airport (AUS) to Washington come in to land at Washington Dulles Intl. Airport (IAD). This is the main gateway to this city.
Why fly with Delta Air Lines from AUS to IAD?
Delta Air Lines makes flying from AUS to IAD more enjoyable with an excellent in-flight experience and a rewarding loyalty program. You could even start earning points with Delta SkyMiles. Make sure you sign up to our free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
Can I change or cancel my Delta Air Lines flight from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
In most cases, you can cancel or change your flight, although additional charges may apply if you booked more than 24 hours ago. Want to keep your options open? Make use of Expedia's "Changes included" or "No cancel fee" filter to find flights that won't charge extra if you need to alter your plans. To update your booking, head to "Trips," select your flight and click on "Manage Booking" for further information.

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
Popular airline
United
Distance
1295 mi
Average flight time
5 hours 24 mins

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*Available to One Key members.