£175 Cheap United flights from Austin to Washington (AUS→IAD)

View £175 flight on Wed, 18 Mar 2026Opens in a new window

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United flights from Austin to Washington (AUS→IAD)

Prices were available within the past 7 days and start at £175 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

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

November is typically the cheapest month to fly

From £112 - £461 per traveller.

Frequently asked questions

How much is a United Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
Scoring cheap one-way United Airlines flights from AUS to IAD from £175 on Expedia is simple — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares for your next exciting adventure.**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 United Airlines?
Look for one-way or return flights to Washington in January or February. You could find an affordable fare with United Airlines during these off-peak months.
Does United Airlines fly nonstop from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
Choose from one of United Airlines's 19 weekly direct flights from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD). To view available options, enter your dates, origin and destination and hit search. Next, apply the "Nonstop" and "Airline" filters.
How long does it take to fly from AUS to IAD with United Airlines?
Leave Austin-Bergstrom Intl. Airport (AUS) for Washington Dulles Intl. Airport (IAD) on a nonstop United Airlines flight, and you'll be airborne for about 3h 12m.
Which day of the week has the most United Airlines flights from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
Thursday has the most United Airlines flights from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD). With 3 daily departures, this is a great day to book something that will suit your schedule.
What airports does United Airlines fly into in Washington?
United Airlines flights from Austin-Bergstrom Intl. Airport (AUS) to Washington come in to Washington Dulles Intl. Airport (IAD), Baltimore Washington Intl. Thurgood Marshall Airport (BWI) and Ronald Reagan Washington National Airport (DCA). The main Washington gateway served by this airline is IAD. It's always worth looking into flights landing at other nearby airports on Expedia as they may have cheaper prices.
What type of plane does United Airlines fly from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
For the Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD) route, United Airlines typically operates Airbus A320 and Embraer 175 planes. Don't forget that last-minute changes can occur for operational needs, so your flight may be on a different aircraft.
Can I change or cancel my United Airlines flight from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)?
It's generally possible to cancel or modify your flight, although additional fees may apply if you made your booking more than 24 hours ago. Need flexible options? Use Expedia's "No cancel fee" or "Changes included" filter to find flights that won't charge extra if you have to revise your plans. To modify your itinerary, visit "Trips," select your flight and click on "Manage Booking" for more information.

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Travel information

Origin airport
Austin-Bergstrom Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines
Popular airline
Alaska Airlines
Distance
2072 km
Average flight time
4 hours 9 mins

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