Skip to main content
Beginning of main content

IAD (Washington) to AUS (Austin) Flights $176.4

Search over 321,000 hotels worldwide and 400 airlines worldwide.
Secure incredible value with Expedia's Price Guarantee.
No Expedia cancellation fee to change or cancel almost any hotel reservation.

Here are your best fares found in the past 7 days

The lowest fare found for this route is $176.4 on Wed, May 31 from IAD to AUS
Flights Fare Calendar Find minimum fare between origin IAD and destination AUS Click this button to get previous 30 days data Click this button to get next 30 days data $579 $496 $413 $330 $248 $165 $82 $0 May Jun 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M Price is $ 496.3 on Frontier Airlines Price is $ 456.4 on United Price is $ 435.1 on American Airlines Price is $ 415.8 on Delta Price is $ 401.4 on United Price is $ 400.7 on United Price is $ 388.6 on United Price is $ 374.99 on United Price is $ 358.6 on Delta Price is $ 352.4 on Frontier Airlines Price is $ 342.8 on Delta Price is $ 342.77 on Delta Price is $ 340.57 on Frontier Airlines Price is $ 337.05 on Delta Price is $ 335.96 on Frontier Airlines Price is $ 335.96 on Frontier Airlines Price is $ 329.1 on American Airlines Price is $ 326.4 on United Price is $ 326.15 on Delta Price is $ 325.4 on United Price is $ 314.53 on JetBlue Airways Price is $ 310.4 on United Price is $ 309.98 on Delta Price is $ 309.8 on Frontier Airlines Price is $ 308.3 on Frontier Airlines Price is $ 306.2 on Frontier Airlines Price is $ 305.96 on Frontier Airlines Price is $ 305.96 on Frontier Airlines Price is $ 305.96 on Frontier Airlines Price is $ 305.96 on Frontier Airlines Price is $ 304.4 on United Price is $ 301.4 on United Price is $ 299.6 on Delta Price is $ 298.4 on United Price is $ 287.08 on Delta Price is $ 285.06 on Frontier Airlines Price is $ 283.77 on Delta Price is $ 281.73 on Delta Price is $ 281.0 on Delta Price is $ 276.03 on Delta Price is $ 272.4 on United Price is $ 268.96 on Delta Price is $ 266.27 on American Airlines Price is $ 265.27 on American Airlines Price is $ 262.95 on Frontier Airlines Price is $ 262.94 on Frontier Airlines Price is $ 262.94 on Frontier Airlines Price is $ 261.95 on Frontier Airlines Price is $ 259.77 on Delta Price is $ 259.6 on Delta Price is $ 259.32 on Delta Price is $ 256.8 on United Price is $ 255.96 on Frontier Airlines Price is $ 255.96 on Frontier Airlines Price is $ 255.96 on Frontier Airlines Price is $ 255.38 on Delta Price is $ 252.96 on Frontier Airlines Price is $ 250.52 on Delta Price is $ 249.96 on Frontier Airlines Price is $ 242.77 on Frontier Airlines Price is $ 240.65 on Frontier Airlines Price is $ 237.11 on Delta Price is $ 234.95 on Frontier Airlines Price is $ 232.95 on Frontier Airlines Price is $ 230.95 on Frontier Airlines Price is $ 228.95 on Frontier Airlines Price is $ 226.52 on Delta Price is $ 219.8 on Delta Price is $ 217.4 on United Price is $ 216.4 on United Price is $ 198.95 on Frontier Airlines Price is $ 196.4 on United Price is $ 193.95 on Frontier Airlines Price is $ 193.95 on Frontier Airlines Price is $ 193.95 on Frontier Airlines Price is $ 187.96 on Frontier Airlines Price is $ 176.4 on United Price is $ 176.4 on United

Cheap IAD to AUS Flights

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from Washington to Austin (IAD to AUS)

Question : Should you take that vacation to Austin in the next 30 days?
Answer : Since low prices are preferred, look at May 24th. As of May 22nd, it's showing the cheapest ticket sales at $116. That is 67% below the average price for this route, so you can spend that extra cash on a fun experience in Austin.

Question : Is there a day of the week that has more departure times to choose from than other days?
Answer : When you’re flying from IAD to AUS, the day with the most flight times is Saturday, with two different options. Note that the day with the most flight time options for all flights departing from the United States is Sunday with 5,738.

Question : How many departure times from Washington Dulles International Airport (IAD) to Austin-Bergstrom International Airport (AUS) are there on a daily basis?
Answer : Of course the day matters, but on average, two different flight times exist when you fly from IAD to AUS. Compared to the average route departing the United States with five flight times, you'll have fewer options.

Question : About how long is the flight from Dulles to Austin?
Answer : The average flight duration between IAD and AUS is three hours and 54 minutes.

Question : What is the likelihood your flight will be delayed for this route?
Answer : This particular route gets passengers to Austin-Bergstrom International Airport on time 87% of the time, which puts it in the top 25% of the world. When there is a delay, it averages about half an hour.

Question : How long do most people stay in Austin?
Answer : Of course you're not most people, but if you were, you'd stay roughly five days.

Question : Who's offering the cheapest round-trip flight to Austin-Bergstrom International Airport (AUS) over the coming months?
Answer : Frontier Airlines is offering the best deal at $116. Better take a look quickly because prices range all the way up to $717 over the next three months.