Cheap flights from Washington, D.C. Dulles Intl Airport to Austin from $65

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Austin departing on 8/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Austin

Cheap round-trip flights

Allegiant Air Logo
10:13 am - 12:32 pmIAD-AUS
3h 19mnonstop
Allegiant Air Logo
11:47 am - 3:56 pmAUS-IAD
3h 09mnonstop
$135Allegiant Air
Find Deal
Mon, Aug 4 - Mon, Aug 11
Allegiant Air Logo
10:13 am - 12:32 pmIAD-AUS
3h 19mnonstop
Allegiant Air Logo
11:47 am - 3:56 pmAUS-IAD
3h 09mnonstop
$138Allegiant Air
Find Deal
Fri, Aug 8 - Mon, Aug 11
Allegiant Air Logo
10:13 am - 12:32 pmIAD-AUS
3h 19mnonstop
Allegiant Air Logo
11:47 am - 3:56 pmAUS-IAD
3h 09mnonstop
$145Allegiant Air
Find Deal
Mon, Aug 4 - Mon, Aug 11
United Airlines Logo
3:45 pm - 6:15 pmIAD-AUS
3h 30mnonstop
United Airlines Logo
12:05 pm - 4:21 pmAUS-IAD
3h 16mnonstop
$149United Airlines
Find Deal
Wed, Sep 17 - Sat, Sep 20
United Airlines Logo
8:25 am - 11:11 amIAD-AUS
3h 46mnonstop
United Airlines Logo
10:00 am - 5:30 pmAUS-IAD
6h 30m1 stop
$155United Airlines
Find Deal
Wed, Nov 5 - Tue, Nov 11
American Airlines Logo
4:36 pm - 11:58 pmIAD-AUS
8h 22m2 stops
American Airlines Logo
1:37 pm - 7:49 pmAUS-IAD
5h 12m1 stop
$174American Airlines
Find Deal
Wed, Aug 13 - Sat, Aug 16
American Airlines Logo
6:11 am - 12:22 pmIAD-AUS
7h 11m1 stop
American Airlines Logo
7:00 am - 6:51 pmAUS-IAD
10h 51m2 stops
$194American Airlines
Find Deal
Thu, Oct 23 - Tue, Oct 28
Frontier Logo
6:10 am - 4:31 pmIAD-AUS
11h 21m1 stop
Frontier Logo
5:26 pm - 12:16 amAUS-IAD
5h 50m1 stop
$202Frontier
Find Deal
Thu, Aug 21 - Mon, Aug 25
Frontier Logo
5:00 am - 9:36 amIAD-AUS
5h 36m1 stop
Frontier Logo
5:56 pm - 12:06 amAUS-IAD
5h 10m1 stop
$211Frontier
Find Deal
Sun, Nov 2 - Thu, Nov 6
Delta Logo
6:00 am - 10:42 amIAD-AUS
5h 42m1 stop
Delta Logo
1:28 pm - 9:42 pmAUS-IAD
7h 14m1 stop
$237Delta
Find Deal
Thu, Aug 14 - Thu, Aug 21

Allegiant Air flights from Washington, D.C. Dulles Intl Airport to Austin

Our best Allegiant Air deals on Washington, D.C. Dulles Intl Airport to Austin flight tickets
Allegiant Air
Aug 4
IAD10:13 amWashington, D.C. Dulles Intl
3h 19m
AUS12:32 pmAustin Bergstrom
Aug 11
AUS11:47 amAustin Bergstrom
3h 09m
IAD3:56 pmWashington, D.C. Dulles Intl
Allegiant Air
Aug 8
IAD10:13 amWashington, D.C. Dulles Intl
3h 19m
AUS12:32 pmAustin Bergstrom
Aug 11
AUS11:47 amAustin Bergstrom
3h 09m
IAD3:56 pmWashington, D.C. Dulles Intl
Allegiant Air
Aug 4
IAD10:13 amWashington, D.C. Dulles Intl
3h 19m
AUS12:32 pmAustin Bergstrom
Aug 11
AUS11:47 amAustin Bergstrom
3h 09m
IAD3:56 pmWashington, D.C. Dulles Intl

United Airlines flights from Washington, D.C. Dulles Intl Airport to Austin

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Austin flight tickets
United Airlines
Sep 17
IAD3:45 pmWashington, D.C. Dulles Intl
3h 30m
AUS6:15 pmAustin Bergstrom
Sep 20
AUS12:05 pmAustin Bergstrom
3h 16m
IAD4:21 pmWashington, D.C. Dulles Intl
United Airlines
Nov 5
IAD8:25 amWashington, D.C. Dulles Intl
3h 46m
AUS11:11 amAustin Bergstrom
Nov 11
AUS10:00 amAustin Bergstrom
6h 30m
1 stop
IAD5:30 pmWashington, D.C. Dulles Intl
United Airlines
Aug 30
IAD5:55 pmWashington, D.C. Dulles Intl
3h 30m
AUS8:25 pmAustin Bergstrom
Sep 1
AUS7:15 amAustin Bergstrom
3h 16m
IAD11:31 amWashington, D.C. Dulles Intl

See travel insights to Austin from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Austin

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Washington, D.C. Dulles Intl Airport is in July. Flight prices, which tend to average around $354, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in July, then August is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Austin during August average around $364.

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Saturday when prices can be found for as low as $469. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Austin for around $548.

What is the cheapest time of day to depart on your flight to Austin?

In the evening is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Austin when you can find flight prices for as low as $301. Flying to Austin in the evening is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly at noon, with an average ticket price of $504. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Washington, D.C. Dulles Intl to Austin Bergstrom flight route?

Fly from Washington, D.C. Dulles Intl to Austin Bergstrom for the best Washington, D.C. Dulles Intl - Austin Bergstrom flight prices

How far in advance should I book a flight to Austin?

You are more likely to see cheaper flights to Austin from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $479 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Washington, D.C. Dulles Intl Airport for as low as $239 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Austin Bergstrom flights?

There are 4 cabin classes available to choose from on Washington, D.C. Dulles Intl to Austin Bergstrom flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Washington, D.C. Dulles Intl Airport to Austin flights?

No. A direct flight is the cheapest option for a flight between Washington, D.C. Dulles Intl Airport to Austin.

How have Washington, D.C. Dulles Intl Airport to Austin flight prices changed over time?

As of July 2025, prices for Washington, D.C. Dulles Intl Airport to Austin flights are approximately 9% more expensive when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Austin

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport to Austin according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. Dulles Intl Airport to Austin (IAD to AUS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Austin

Best Price Found

$65

Fastest flight time

3h 19m

Direct flights

Every day

Airports in Austin

1 airport
The best one-way flight to Austin from Washington, D.C. Dulles Intl Airport in the past 72 hours is $65. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Austin found on momondo in the last 72 hours is $135.
The fastest flight from Washington, D.C. Dulles Intl Airport to Austin takes 3h 19m
Direct flights go from Washington, D.C. Dulles Intl Airport to Austin every day.
There is 1 airport near Austin: Austin Bergstrom (AUS)

  • How far is Washington, D.C. Dulles Intl to Austin Bergstrom by plane?

    Austin Bergstrom is 1295.3 mi away from Washington, D.C. Dulles Intl. In terms of flight time, this usually takes a little over 3h 19m.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Austin Bergstrom Airport?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Austin Bergstrom Airport refresh daily.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Austin Bergstrom Airport?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Austin Bergstrom Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The travel and health documents required for your trip to Austin Bergstrom Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Austin Bergstrom Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Washington, D.C. Dulles Intl Airport to Austin?

  • What is the most popular airline from Washington, D.C. Dulles Intl Airport to Austin?


Best airlines flying from Washington, D.C. Dulles Intl Airport to Austin

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Austin with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.9
3,271 reviews
Search Frontier flights
Allegiant AirPriceFrom $115Free CancellationRating
7.2
704 reviews
Search Allegiant Air flights
DeltaPriceFrom $222Free CancellationRating
8.0
7,952 reviews
Search Delta flights
American AirlinesPriceFrom $255Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $284Free CancellationRating
7.4
8,846 reviews
Search United Airlines flights
SouthwestPriceFrom $447Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Austin

    United Airlines flight deals from Washington, D.C. Dulles Intl Airport to Austin start from $284 round-trip. Over the 16 United Airlines flights for this route in a normal week, average airfare is usually $524 round-trip - but some users have found much cheaper deals with momondo.


Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
San Marcos
Round Rock
Wimberley
Georgetown
Canyon Lake
Marble Falls
Dripping Springs
Cedar Park
Horseshoe Bay
Pflugerville
Seguin
Kyle
Bastrop
Buda
Flatonia

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Austin?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington, D.C. to Austin. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington, D.C. to Austin with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Austin on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Austin?

Once you have performed a search for Washington, D.C. to Austin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Washington, D.C. to Austin right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Washington, D.C. to Austin flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.


An easier way to manage your Austin trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 7/15
Tue 7/22

Find better results for your trip to the United States