Austin

$138+ Cheap flights from Dulles Intl (IAD) to Austin (AUS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — AUS
may. 4 — may. 111
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Austin Bergstrom are usually found in August or July, booked 39 days in advance, depart on a Thursday or Wednesday and return on a Thursday

Cheap flight deals from Dulles Intl to Austin

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Austin (AUS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated abril 29, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$290
(Frontier)

One-way from

$138
(Cheapflightsfares)

Popular in

January

Cheapest in

August

Average price

$503

Good round-trip deal

$377 or less

Good one-way deal

$208 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Austin Bergstrom flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Austin Bergstrom flights.
From Washington, D.C. Dulles Intl to Austin Bergstrom
One-way flight from Washington, D.C. Dulles Intl to Austin Bergstrom
Highest demand for flights based on searches. 13% potential increase in price ($71 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Austin Bergstrom.
Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Austin Bergstrom.

Find flight deals from Dulles Intl to Austin

Cheapest flights from Dulles Intl to Austin
Explore the most affordable flight options available from Dulles Intl to Austin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 29, 2025.

This Frontier deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 5/87:45 amIAD - AUS
1 stop9h 11mFrontier
lun. 5/124:41 pmAUS - IAD
1 stop12h 50mFrontier
Deal found 4/29$290
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/255:45 pmIAD - AUS
Nonstop3h 28mUnited Airlines
lun. 6/307:15 amAUS - IAD
Nonstop3h 18mUnited Airlines
Deal found 4/29$297
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/112:55 pmIAD - AUS
2 stops29h 03mMultiple Airlines
vie. 6/68:48 amAUS - IAD
2 stops35h 05mMultiple Airlines
Deal found 4/29$299
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/187:10 amIAD - AUS
1 stop4h 54mDelta
lun. 6/236:18 pmAUS - IAD
1 stop5h 14mDelta
Deal found 4/29$317
This American Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/306:55 amIAD - AUS
1 stop6h 40mAmerican Airlines
sáb. 7/512:06 pmAUS - IAD
2 stops10h 52mAmerican Airlines
Deal found 4/29$322
This Alaska Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/287:15 amIAD - AUS
1 stop18h 15mAlaska Airlines
mar. 6/39:30 amAUS - IAD
1 stop19h 25mAlaska Airlines
Deal found 4/29$382
This Southwest deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/245:05 amIAD - AUS
2 stops10h 10mSouthwest
dom. 5/259:50 amAUS - IAD
1 stop6h 35mSouthwest
Deal found 4/29$462

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated abril 29, 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

Dulles Intl

Fly to

Austin

Route

Depart

Return

Price

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

vie. 5/9

7:45 am-4:03 pm

1 stop9h 18m

Austin Bergstrom

jue. 5/15

4:41 pm-6:31 am

1 stop12h 50m

$290

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

mié. 6/25

5:45 pm-8:13 pm

Nonstop3h 28m

Austin Bergstrom

lun. 6/30

7:15 am-11:33 am

Nonstop3h 18m

$297

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

dom. 6/1

12:55 pm-4:58 pm

2 stops29h 03m

Austin Bergstrom

vie. 6/6

8:48 am-8:53 pm

2 stops35h 05m

$299

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

mié. 6/18

7:10 am-11:04 am

1 stop4h 54m

Austin Bergstrom

lun. 6/23

6:18 pm-12:32 am

1 stop5h 14m

$317

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

lun. 6/30

6:55 am-12:35 pm

1 stop6h 40m

Austin Bergstrom

sáb. 7/5

12:06 pm-11:58 pm

2 stops10h 52m

$322

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

mié. 5/28

7:15 am-12:30 am

1 stop18h 15m

Austin Bergstrom

mar. 6/3

9:30 am-5:55 am

1 stop19h 25m

$382

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

sáb. 5/24

5:05 am-2:15 pm

2 stops10h 10m

Austin Bergstrom

dom. 5/25

9:50 am-5:25 pm

1 stop6h 35m

$462

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

vie. 5/9

7:45 am-4:03 pm

1 stop9h 18m

$138

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

vie. 5/30

1:59 pm-11:02 pm

2 stops10h 03m

$144

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

jue. 5/29

12:55 pm-4:58 pm

2 stops29h 03m

$145

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 16 results
1
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Compare providers for flights from Dulles Intl to Austin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Austin in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Austin flights, users find the pricing of Mytrip to be most consistent on Cheapflights vs. Mytrip Users can find the same prices on Washington, D.C. Dulles Intl Airport-Austin flight deals on Cheapflights vs. Mytrip >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Austin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Austin flights, Cheapflights users trust Mytrip the most. Mytrip has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Austin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Austin

Have a flexible travel schedule? Discover the best time to fly to Austin from Dulles Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Austin

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Austin?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Austin. Price data was last updated on April 25, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Austin, you should look to book at least 39 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Austin?

Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Austin (average of $286). Flying from Washington, D.C. Dulles Intl Airport to Austin in March is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IAD to AUS?

Find hourly flight availability from Dulles Intl to Austin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 29, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Austin is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 56% on airfare.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Austin?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Austin. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Austin flight should consider departing on Tuesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Rainfall in Austin by month

Plan your trip to Austin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Austin ranges from 2.1 - 4.2 inches per month. May is typically the wettest month, when rainfall can reach 4.2 in. July is typically the driest time to visit Austin when rainfall is around 2.1 in.

Temperature in Austin by month

Plan your trip to Austin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Austin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 50.0 F).

Reviews of airlines servicing Austin

Get insights into the airlines that provide service to Austin. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Austin. Reviews last updated abril 29, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest and Delta from Washington, D.C. to Austin to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
8.0
Very good

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Crew

8.5

Boarding

8.2

Comfort

7.9

Entertainment

7.1

Food

7.1

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Austin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly into for flights to Austin from Washington, D.C. Dulles Intl?

    If you book a flight to Austin from Washington, D.C. Dulles Intl, you will be flying to Austin Bergstrom, which is the city’s only airport. Austin Bergstrom (AUS) is located 7.5 mi from the center of Austin. There are 2 flights from Washington, D.C. Dulles Intl to Austin Bergstrom per day from 6 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Austin round-trip?

    Currently priced at $290, Frontier will fly you from Washington, D.C. Dulles Intl Airport to Austin and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and Delta - these airlines can fly you to your destination from $297 and $317, respectively. Frontier is priced at 38% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Austin one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Dulles Intl Airport to Austin are Frontier ($138), American Airlines ($144), and United Airlines ($169).

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Austin?

    The top 3 most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Austin are Brussels Airlines (82%), United Airlines (81%) and Mesa Airlines (79%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Austin?

    Looking at all options, your cheapest flight can be booked for $148. While the most popular route (Washington, D.C. Dulles Intl - Austin Bergstrom) can be booked for $147 on average our data indicates $589 when flying from Washington, D.C. Dulles Intl Airport to Austin.

  • Can I find deals for flights from Dulles Intl to Austin that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Austin flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Austin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Austin.

  • Can I find deals for business class flights from Dulles Intl to Austin?

    Yes. Cheapflights offers flight deals from Dulles Intl to Austin by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Austin?

    Currently, January is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Austin (average of $286). Flying from Washington, D.C. Dulles Intl Airport to Austin in March is currently the most expensive (average of $362). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
San Marcos
Georgetown
Fredericksburg
Round Rock
Dripping Springs
Cedar Park
Pflugerville
Bastrop
Canyon Lake
Seguin
Horseshoe Bay

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Alternative routes for Dulles Intl to Austin

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Dulles Intl to Austin

Discover the top 6 airlines that operate flights from Dulles Intl to Austin. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated abril 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$106Average$227FlexibilityNo cancel feeOn-time88%
FrontierCheapest$108Average$155FlexibilityNo cancel feeOn-time62%
DeltaCheapest$222Average$364FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$258Average$411FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$272Average$521FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$447Average$540FlexibilityNo cancel feeOn-time63%

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