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Cheap flights from Washington, D.C. Dulles Intl Airport to Austin from $128

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 9/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Austin

Cheap round-trip flights

Frontier Logo
6:00 am - 11:37 amIAD-AUS
6h 37m1 stop
Frontier Logo
1:06 pm - 12:11 amAUS-IAD
10h 05m1 stop
$207Frontier
Find Deal
Thu, Nov 13 - Sun, Nov 16
Frontier Logo
3:10 pm - 10:08 amIAD-AUS
19h 58m1 stop
Frontier Logo
10:56 am - 11:22 pmAUS-IAD
11h 26m1 stop
$209Frontier
Find Deal
Thu, Oct 9 - Mon, Oct 13
Logo
6:15 am - 5:07 pmIAD-AUS
11h 52m1 stop
Logo
9:24 am - 9:38 pmAUS-IAD
11h 14m1 stop
$210
Find Deal
Fri, Oct 24 - Mon, Oct 27
Frontier Logo
6:10 am - 4:15 pmIAD-AUS
11h 05m1 stop
Frontier Logo
5:56 pm - 12:11 amAUS-IAD
5h 15m1 stop
$211Frontier
Find Deal
Sun, Oct 5 - Fri, Nov 7
Logo
6:10 am - 4:34 pmIAD-AUS
11h 24m1 stop
Logo
9:24 am - 6:24 pmAUS-IAD
8h 00m1 stop
$212
Find Deal
Fri, Oct 3 - Mon, Oct 6
Frontier Logo
6:00 am - 5:01 pmIAD-AUS
12h 01m1 stop
Frontier Logo
5:56 pm - 12:11 amAUS-IAD
5h 15m1 stop
$214Frontier
Find Deal
Fri, Nov 7 - Sun, Nov 9
Frontier Logo
4:40 pm - 4:56 pmIAD-AUS
25h 16m1 stop
Frontier Logo
8:56 pm - 11:29 pmAUS-IAD
25h 33m1 stop
$215Frontier
Find Deal
Thu, Oct 9 - Sat, Oct 11
Logo
9:15 am - 11:02 pmIAD-AUS
14h 47m2 stops
Logo
5:29 pm - 12:15 amAUS-IAD
5h 46m1 stop
$216
Find Deal
Wed, Sep 24 - Fri, Sep 26
Frontier Logo
6:10 am - 4:34 pmIAD-AUS
11h 24m1 stop
Frontier Logo
8:41 am - 12:15 amAUS-IAD
14h 34m2 stops
$217Frontier
Find Deal
Mon, Sep 15 - Thu, Sep 18
Logo
6:10 am - 4:34 pmIAD-AUS
11h 24m1 stop
Logo
5:45 am - 7:55 pmAUS-IAD
13h 10m2 stops
$218
Find Deal
Mon, Sep 22 - Wed, Sep 24

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

Our best Frontier deals on Washington, D.C. Dulles Intl Airport to Austin flight tickets
Frontier
Nov 13
IAD6:00 amWashington, D.C. Dulles Intl
6h 37m
1 stop
AUS11:37 amAustin Bergstrom
Nov 16
AUS1:06 pmAustin Bergstrom
10h 05m
1 stop
IAD12:11 amWashington, D.C. Dulles Intl
$207
Find similar
Frontier
Oct 9
IAD3:10 pmWashington, D.C. Dulles Intl
19h 58m
1 stop
AUS10:08 amAustin Bergstrom
Oct 13
AUS10:56 amAustin Bergstrom
11h 26m
1 stop
IAD11:22 pmWashington, D.C. Dulles Intl
$209
Find similar
Frontier
Oct 5
IAD6:10 amWashington, D.C. Dulles Intl
11h 05m
1 stop
AUS4:15 pmAustin Bergstrom
Nov 7
AUS5:56 pmAustin Bergstrom
5h 15m
1 stop
IAD12:11 amWashington, D.C. Dulles Intl
$211
Find similar

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 15
IAD3:45 pmWashington, D.C. Dulles Intl
3h 30m
AUS6:15 pmAustin Bergstrom
Sep 22
AUS12:10 pmAustin Bergstrom
3h 16m
IAD4:26 pmWashington, D.C. Dulles Intl
$401
Find similar
United Airlines
Sep 15
IAD3:45 pmWashington, D.C. Dulles Intl
3h 30m
AUS6:15 pmAustin Bergstrom
Sep 22
AUS5:30 amAustin Bergstrom
4h 58m
1 stop
IAD11:28 amWashington, D.C. Dulles Intl
$411
Find similar
United Airlines
Sep 15
IAD5:55 pmWashington, D.C. Dulles Intl
3h 30m
AUS8:25 pmAustin Bergstrom
Sep 19
AUS4:55 pmAustin Bergstrom
3h 16m
IAD9:11 pmWashington, D.C. Dulles Intl
$465
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Austin that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated September 2, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Austin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Thu 11/13

6:00 am-11:37 am

1 stop6h 37m

Austin Bergstrom

Sun 11/16

1:06 pm-12:11 am

1 stop10h 05m

$207

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Thu 10/9

3:10 pm-10:08 am

1 stop19h 58m

Austin Bergstrom

Mon 10/13

10:56 am-11:22 pm

1 stop11h 26m

$209

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Fri 10/24

6:15 am-5:07 pm

1 stop11h 52m

Austin Bergstrom

Mon 10/27

9:24 am-9:38 pm

1 stop11h 14m

$210

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Sun 10/5

6:10 am-4:15 pm

1 stop11h 05m

Austin Bergstrom

Fri 11/7

5:56 pm-12:11 am

1 stop5h 15m

$211

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Fri 10/3

6:10 am-4:34 pm

1 stop11h 24m

Austin Bergstrom

Mon 10/6

9:24 am-6:24 pm

1 stop8h 00m

$212

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Fri 11/7

6:00 am-5:01 pm

1 stop12h 01m

Austin Bergstrom

Sun 11/9

5:56 pm-12:11 am

1 stop5h 15m

$214

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Thu 10/9

4:40 pm-4:56 pm

1 stop25h 16m

Austin Bergstrom

Sat 10/11

8:56 pm-11:29 pm

1 stop25h 33m

$215

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Wed 9/24

9:15 am-11:02 pm

2 stops14h 47m

Austin Bergstrom

Fri 9/26

5:29 pm-12:15 am

1 stop5h 46m

$216

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Mon 9/15

6:10 am-4:34 pm

1 stop11h 24m

Austin Bergstrom

Thu 9/18

8:41 am-12:15 am

2 stops14h 34m

$217

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Mon 9/22

6:10 am-4:34 pm

1 stop11h 24m

Austin Bergstrom

Wed 9/24

5:45 am-7:55 pm

2 stops13h 10m

$218

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 $382, 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 $411.

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 Friday when prices can be found for as low as $478. 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 $550.

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 $462. 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 $508. 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 $491 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 $314 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 September 2025, prices for Washington, D.C. Dulles Intl Airport to Austin flights are approximately 73% 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

$208

Fastest flight time

3h 30m

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 $208. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Austin found on momondo in the last 72 hours is $325.
The fastest flight from Washington, D.C. Dulles Intl Airport to Austin takes 3h 30m
Direct flights go from Washington, D.C. Dulles Intl Airport to Austin every day.
There is 1 airport near Austin: Austin Bergstrom (AUS)
Search flight deals

  • 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 6h 37m.

  • 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
Allegiant AirPriceFrom $91Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
FrontierPriceFrom $108Free CancellationRating
5.8
3,198 reviews
Search Frontier flights
DeltaPriceFrom $216Free CancellationRating
7.9
7,973 reviews
Search Delta flights
American AirlinesPriceFrom $236Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $276Free CancellationRating
7.4
8,937 reviews
Search United Airlines flights
SouthwestPriceFrom $447Free CancellationRating
8.0
4,238 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 $276 round-trip. Over the 23 United Airlines flights for this route in a normal week, average airfare is usually $539 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
Wimberley
Round Rock
Georgetown
Canyon Lake
Marble Falls
Cedar Park
Dripping Springs
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.

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