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$97+ 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 6/27. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — AUS
Mar 1 — Mar 81
Sat 3/1
Sat 3/8
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Austin Bergstrom are usually found in July or April, booked 68 days in advance, depart on a Thursday or Saturday 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 February 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$292
(Frontier)

One-way from

$97
(Cheapflightsfares)

Popular in

January

Cheapest in

July

Average price

$494

Good round-trip deal

$457 or less

Good one-way deal

$228 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Austin Bergstrom flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Austin Bergstrom flights.
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From Washington, D.C. Dulles Intl to Austin Bergstrom
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One-way flight from Washington, D.C. Dulles Intl to Austin Bergstrom
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Highest demand for flights based on searches. 17% potential increase in price ($89 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Austin Bergstrom.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Austin Bergstrom.
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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 February 24, 2025.

This Frontier deal was found by Cheapflights users on 2/24. 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.
Thu 5/227:32 amIAD - AUS
1 stop9h 41mFrontier
Mon 5/265:13 pmAUS - IAD
1 stop12h 19mFrontier
Deal found 2/24$292
This Mytrip deal was found by Cheapflights users on 2/24. 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.
Mon 4/285:40 pmIAD - AUS
3 stops19h 24mMultiple Airlines
Tue 4/294:08 pmAUS - IAD
3 stops18h 12mMultiple Airlines
Deal found 2/24$309
This American Airlines deal was found by Cheapflights users on 2/23. 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.
Wed 4/26:18 amIAD - AUS
1 stop11h 58mAmerican Airlines
Mon 4/76:11 pmAUS - IAD
1 stop4h 45mAmerican Airlines
Deal found 2/23$395
This Delta deal was found by Cheapflights users on 2/23. 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.
Mon 3/107:42 pmIAD - AUS
1 stop5h 56mDelta
Wed 3/125:30 amAUS - IAD
1 stop5h 03mDelta
Deal found 2/23$397
This Southwest deal was found by Cheapflights users on 2/23. 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.
Thu 4/36:00 amIAD - AUS
2 stops9h 20mSouthwest
Wed 4/96:45 amAUS - IAD
1 stop9h 00mSouthwest
Deal found 2/23$448
This United Airlines deal was found by Cheapflights users on 2/23. 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.
Tue 3/118:25 amIAD - AUS
Nonstop3h 50mUnited Airlines
Tue 3/115:19 pmAUS - IAD
Nonstop3h 06mUnited Airlines
Deal found 2/23$457
This Alaska Airlines deal was found by Cheapflights users on 2/24. 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.
Mon 3/177:00 amIAD - AUS
1 stop17h 59mAlaska Airlines
Mon 3/246:11 pmAUS - IAD
1 stop10h 23mAlaska Airlines
Deal found 2/24$512

Find flights from Dulles Intl to Austin within your budget

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 February 24, 2025.

Fly from

Dulles Intl

Fly to

Austin

Route

Depart

Return

Price

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Thu 5/22

7:32 am-4:13 pm

1 stop9h 41m

Austin Bergstrom

Mon 5/26

5:13 pm-6:32 am

1 stop12h 19m

$292

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Mon 4/28

5:40 pm-12:04 pm

3 stops19h 24m

Austin Bergstrom

Tue 4/29

4:08 pm-11:20 am

3 stops18h 12m

$309

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Wed 4/2

6:18 am-5:16 pm

1 stop11h 58m

Austin Bergstrom

Mon 4/7

6:11 pm-11:56 pm

1 stop4h 45m

$395

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Mon 3/10

7:42 pm-12:38 am

1 stop5h 56m

Austin Bergstrom

Wed 3/12

5:30 am-11:33 am

1 stop5h 03m

$397

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Tue 4/8

5:30 pm-11:45 pm

1 stop31h 15m

Austin Bergstrom

Tue 4/15

6:00 am-4:58 pm

1 stop9h 58m

$442

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Thu 4/3

6:00 am-2:20 pm

2 stops9h 20m

Austin Bergstrom

Wed 4/9

6:45 am-4:45 pm

1 stop9h 00m

$448

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Tue 3/11

8:25 am-11:15 am

Nonstop3h 50m

Austin Bergstrom

Tue 3/11

5:19 pm-9:25 pm

Nonstop3h 06m

$457

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Fri 6/27

10:13 am-12:29 pm

Nonstop3h 16m

$97

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Wed 5/28

7:32 am-4:13 pm

1 stop9h 41m

$120

Washington, D.C.Austin

IAD - AUS

IADAUS

Washington, D.C. Dulles Intl

Mon 4/28

5:40 pm-2:58 pm

3 stops22h 18m

$138

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Showing 1-10 of 16 results
1
2

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 February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
eDreamsPrice Accuracy3 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Austin flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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.

Travel insights for flights from Dulles Intl to Austin

Get recent, data-driven insights about flights from Dulles Intl to Austin including ideal travel times, pricing trends, and more.

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 February 14, 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 68 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 February 24, 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 57% 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 February 23, 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.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Austin

Explore weekly flight availability from Dulles Intl to Austin. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 24, 2025.

The most flights from IAD to AUS are scheduled on a Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (5 on average).

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 February 24, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines 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.
Southwest
8.1
Very good
4,380 reviews

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Southwest
8.1
Very good
4,380 reviews
Southwest
8.1
Very good
4,380 reviews

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Alaska Airlines
8.0
Very good
9,710 reviews
Southwest
8.1
Very good
4,380 reviews

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Delta
8.0
Very good
8,175 reviews
Southwest
8.1
Very good
4,380 reviews

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

United Airlines
7.4
Good
8,740 reviews
Southwest
8.1
Very good
4,380 reviews

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

Allegiant Air
7.3
Good
763 reviews
Southwest
8.1
Very good
4,380 reviews

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Comfort

8.1

Overall

8.1

Reviews

1 / 20

10.0
Excellent

Merlyn,Feb 2025

LAX - SMF

New Terminal is neat, lost of stores and places to catch a bite.

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 5 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 $292, 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 American Airlines and Delta - these airlines can fly you to your destination from $395 and $397, respectively. Frontier is priced at 31% 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 Allegiant Air ($97), Frontier ($120), and American Airlines ($177).

  • 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 United Airlines (70%), Brussels Airlines (70%) and Lufthansa (70%).

  • 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 $213. While the most popular route (Washington, D.C. Dulles Intl - Austin Bergstrom) can be booked for $236 on average our data indicates $600 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
Seguin
Fredericksburg
Cedar Park
Pflugerville
Canyon Lake
Bastrop
Round Rock
Horseshoe Bay

Browse thousands of different options on Cheapflights for your next trip

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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.
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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 February 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
Allegiant AirCheapest$106Average$214FlexibilityNo cancel feeOn-time88%
FrontierCheapest$108Average$140FlexibilityNo cancel feeOn-time62%
DeltaCheapest$222Average$378FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$248Average$492FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$258Average$401FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$447Average$540FlexibilityNo cancel feeOn-time63%
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