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

View AU$167 flight on Thu, 2 Oct. 2025Opens 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 for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

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

November is typically the cheapest month to fly

From AU$259 - AU$1,018 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Austin route information
Origin airport
Washington Dulles Intl.
Destination airport
Austin-Bergstrom Intl.
Distance
2072 km
Average flight time
3 hours 10 mins

Your quick guide to flights from Washington to Austin

Pick up great flights from Washington to Austin

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Washington to Austin. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Washington to Austin that take around hours.

Find cheap flights from Washington to Austin

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Washington to Austin around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Austin is normally in .

Reasons to book your flight from Washington to Austin with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Washington to Austin across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Austin right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from IAD to AUS?
Based on fares available within the last 7 days on Expedia for flights departing within the next year, round-trip journeys from IAD to Austin-Bergstrom Intl. Airport (AUS) start from . Book now to score the best price for your adventure. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to Austin-Bergstrom Intl. Airport (AUS)?
Most flights can be cancelled online, but whether you incur a fee depends on your airline. If you do have to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Dulles Intl. Airport to AUS that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Washington Dulles Intl. Airport (IAD) to Austin-Bergstrom Intl. Airport (AUS) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Dulles Intl. Airport to AUS?
The flight distance between Dulles Intl. Airport (IAD) and AUS (AUS) is 2 100 kilometres. Work your way through your travel song playlist or finish that novel and the journey will whiz by.
Which airlines fly direct from Dulles Intl. Airport to Austin-Bergstrom Intl. Airport (AUS)?
United Airlines (UA) is one of the top choices for many travellers flying between IAD and AUS. Take your pick of the 91 flights it offers on this route each month. Operating 21 flights every month on this route, American Airlines (AA) is another top pick.
Are IAD to Austin-Bergstrom Intl. Airport (AUS) flight tickets cheaper when they're purchased at the last minute?
It is possible to get an awesome last-minute deal from IAD to AUS, but there's no guarantee. As many airlines publish prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you see a bargain. Expedia compares carrier prices and updates flight deals frequently, so you can feel confident knowing you're always seeing the latest offers.

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