$149 Find Cheap Flights from Austin to Washington Dulles Airport - Compare and Save
This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Austin to Dulles Intl departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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Cheap Flights from Austin to Dulles Intl (AUS-IAD)
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Austin to Dulles Intl that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.
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Recent round-trip flight deals from Austin to Dulles Intl
Price, demand and travel trends for Austin to Washington, D.C. Dulles Intl Airport flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Austin to Washington, D.C. Dulles Intl Airport with more confidence.
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How much is a round-trip flight from Austin to Washington, D.C. Dulles Intl Airport?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Austin to Washington, D.C. Dulles Intl Airport departing in November.
Round-trip flights from Austin to Washington, D.C. Dulles Intl Airport start at $258. Prices are below average for this route right now, with typical round-trip fares ranging from $380 to $651. The lowest price found in the past 5 days was $258 on Frontier.
What's the cheapest day of the week to fly from Austin to Washington, D.C. Dulles Intl Airport?
Friday is the cheapest day of the week to fly from Austin to Washington, D.C. Dulles Intl Airport, it is 10% cheaper than the average day. Sunday is the most expensive day with flight prices 31% higher than average. Based on deals found by KAYAK users in the last 12 months.
What is the cheapest month to fly from Austin to Washington, D.C. Dulles Intl Airport?
KAYAK internal proprietary data takes all prices for each month over the last 12 months for round-trip flights from Austin to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers and then takes the median of all values for each month.
July is the cheapest month to fly from Austin to Washington, D.C. Dulles Intl Airport at $443 round-trip.
January ($682) and February ($595) are the most expensive months.
The price difference between flying in the cheapest and most expensive months is 53% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.
When are prices from Austin to Washington, D.C. Dulles Intl Airport the cheapest?
Flights from Austin to Washington, D.C. Dulles Intl Airport are cheapest 24 weeks before departure. Booking in this window typically costs about 74% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.
What is the cheapest airline to fly from Austin to Washington, D.C. Dulles Intl Airport?
Frontier ($258) and American Airlines ($337) are the cheapest airlines to fly round-trip from Austin to Washington, D.C. Dulles Intl Airport according to KAYAK data over the last 5 days.
Which airline offers the most nonstop flights between Austin and Washington, D.C. Dulles Intl Airport?
United Airlines has the most frequent nonstop flights from Austin to Washington, D.C. Dulles Intl Airport with 21 flights per week. Based on KAYAK flight data over the last 3 months.
How often are flights from Austin to Washington, D.C. Dulles Intl Airport delayed?
Over the last 12 months Austin to Washington, D.C. Dulles Intl Airport flights were delayed in 6% of cases. Delayed flights averaged 101 minutes behind schedule.
What is the most punctual time of day to fly from Austin to Washington, D.C. Dulles Intl Airport?
Morning flights have the fewest delays. Afternoon departures experience delays most often. Based on KAYAK data over the past 3 months.
Which day of the week has the fewest delays on Austin to Washington, D.C. Dulles Intl Airport flights?
Thursday has the fewest flight delays on the Austin to Washington, D.C. Dulles Intl Airport route, at only 4% of flights delayed.
Sunday has the most delays at 10%. Based on KAYAK data over the past 3 months.
Which airline is the most punctual on Austin to Washington, D.C. Dulles Intl Airport flights?
United Airlines is the most punctual airline on Austin to Washington, D.C. Dulles Intl Airport flights, KAYAK's system tracked that 94% of flights were on time in the past 3 months.
What is the most popular layover airport when flying from Austin to Washington, D.C. Dulles Intl Airport?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.
Atlanta Hartsfield-Jackson (ATL) is the most popular layover for the Austin to Washington, D.C. Dulles Intl Airport route. 71% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via ATL.
What is the cheapest layover airport when flying from Austin to Washington, D.C. Dulles Intl Airport?
Flights via Fort Lauderdale (FLL) offer the most affordable fares, with an average round-trip price of $173. Based on KAYAK data over the past 3 months.
Which route, including a layover, takes the shortest amount of time from Austin to Washington, D.C. Dulles Intl Airport?
Lambert-St Louis (STL) offers the shortest 1-stop connection from Austin to Washington, D.C. Dulles Intl Airport at 5h 00m one-way, 1h 45m longer than the 3h 15m direct flight. Based on KAYAK data over the past 3 months.
When flying from Austin to Washington, D.C. Dulles Intl Airport which airport offers the shortest layover?
Lambert-St Louis (STL) had the shortest average connection time for Austin to Washington, D.C. Dulles Intl Airport layovers at 165 minutes over the past 3 months.
How many nonstop flights run daily between Austin and Washington, D.C. Dulles Intl Airport?
There are about 3 flights per day from Austin to Washington, D.C. Dulles Intl Airport, about 21 flights per week, spread evenly across the week.
What time of day do most flights depart from Austin to Washington, D.C. Dulles Intl Airport?
Based on KAYAK flight schedules for the upcoming 3 months.
Most nonstop flights from Austin to Washington, D.C. Dulles Intl Airport depart in the morning, accounting for 67% of nonstop departures. Around 2 flights are scheduled in that window over the next three months.
Expert advice for your flight from Austin to Dulles Intl
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Jessica Macdonald
Expert on Lufthansa
Currently based in Scotland after living in South Africa and the United States, Jessica has been writing travel and aviation content for more than 10 years. She regularly contributes to Travel + Leisure and TripSavvy, and has had work published by Condé Nast Traveller and The Independent. She has traveled to more than 50 countries across six continents.
Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.
Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.
Key details for Austin to Washington, D.C. Dulles Intl Airport flights
Low season
January
High season
June
Cheapest flight
$149
Best time to beat the crowds but there is an average 35% increase in price.
Most popular time to fly and prices are also 4% lower on average.
Flight from Austin to Washington, D.C. Dulles Intl Airport
When to book flights from Austin to Dulles Intl
Are your dates flexible? Find out the best times to travel from Austin to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.
Your Austin to Washington, D.C. Dulles Intl Airport flight questions, answered
Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.
How can I easily get from downtown Austin to Austin-Bergstrom International Airport (AUS)?
When you drive from downtown Austin to Austin-Bergstrom International Airport (AUS), the trip will normally take between 10 and 15 minutes in average traffic conditions. If you choose to take public transportation, such as bus line 20, the trip will take around 1 hour instead.
Are there any airlines that offer flights between Austin-Bergstrom International Airport (AUS) and Washington Dulles International Airport (IAD) that are known for being sustainable?
American Airlines has started several initiatives in order to improve its environmental footprint. For example, the company has pledged to reduce its greenhouse gas emissions intensity by 45% by 2035. It has also pledged to achieve net zero emissions by 2050.
What airlines have lounges for their passengers in Austin-Bergstrom International Airport (AUS)?
Inside the Main Terminal of Austin-Bergstrom International Airport (AUS), you can find a few airline lounges that are open to passengers. For instance, there is the American Airlines Admirals Club, the Delta Air Lines Delta Sky Club, and the United Airlines United Club.
What services and amenities does Washington Dulles International Airport (IAD) have for travelers with disabilities or limited mobility?
If you or someone that is traveling in your group has a disability or limited mobility, there are a few services and amenities that you can access at Washington Dulles International Airport (IAD). For example, Washington Dulles International Airport (IAD) has several pet relief areas for service animals, as well as elevators that are wheelchair-accessible. There are also parking areas that are designated for individuals with limited mobility and wheelchairs are available for any individual that needs one.
Which airlines offer extra legroom and free seat selection on Austin to Washington, D.C. Dulles Intl Airport flights?
Among airlines operating Austin to Washington, D.C. Dulles Intl Airport flights:
• United Airlines: offers extra legroom; offers free seat selection
Extra legroom and free seat selection availability depends on fare class and route.
What airlines are available from Austin to Washington, D.C. Dulles Intl Airport?
Only United Airlines operates flights between Austin and Washington, D.C. Dulles Intl Airport.
Which airports can I use when flying from Austin to Washington, D.C. Dulles Intl Airport?
Flights from Austin to Washington, D.C. Dulles Intl Airport usually depart from Austin Bergstrom (AUS) and arrive at Washington, D.C. Dulles Intl (IAD).
Which airlines include bags at no extra cost on Austin to Washington, D.C. Dulles Intl Airport flights?
Here are some options for this route, based on selected ticket types and cabin classes:
• United Airlines: a cabin bag and a checked bag in Economy Class • JetBlue: a cabin bag in Economy Class class
Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.
What cabin classes can I book on flights from Austin to Washington, D.C. Dulles Intl Airport?
Four cabin classes are available on flights from Austin to Washington, D.C. Dulles Intl Airport:
• Economy Class • Premium Economy Class • Business Class • First Class
Prices vary by airline.
How much can I save by taking a layover when flying from Austin to Washington, D.C. Dulles Intl Airport?
On this route, layover flights are cheaper than nonstop options on average. Layover fares average $173 round-trip via Fort Lauderdale (FLL), compared to $525 for nonstop.
What is the standard checked-bag allowance on flights from Austin to Washington, D.C. Dulles Intl Airport?
There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $21–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.
Which aircraft model is used most often on flights from Austin to Washington, D.C. Dulles Intl Airport?
The Boeing 737-800 family is used most often on this route, operated mainly by United Airlines. Other aircraft seen on the route include Boeing 737-700 variants.
Which airports do connecting flights from Austin to Washington, D.C. Dulles Intl Airport pass through?
One-stop flights from Austin to Washington, D.C. Dulles Intl Airport most commonly connect through:
• Atlanta Hartsfield-Jackson (ATL) - 71% of one-stop connections • Charlotte Douglas (CLT) - 9% of one-stop connections • Dallas/Fort Worth (DFW) - 5% of one-stop connections • Houston George Bush Intcntl (IAH) - 5% of one-stop connections
Atlanta Hartsfield-Jackson (ATL) handles the largest share of one-stop connections on this route.
Can I save money by using flexible dates for flights from Austin to Washington, D.C. Dulles Intl Airport?
Yes. Being flexible with your travel dates can save you up to 31% on the Austin to Washington, D.C. Dulles Intl Airport route. Friday is the cheapest departure day at $457 round-trip on average, while Sunday is the most expensive at $661, a difference of $204. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
At what point is a flight considered delayed from Austin to Washington, D.C. Dulles Intl Airport?
A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Austin to Washington, D.C. Dulles Intl Airport route, 6% of flights were delayed in the past 3 months, with delays averaging 1 hour 41 minutes.
How are flight departures from Austin to Washington, D.C. Dulles Intl Airport spread across the day?
Morning is the busiest departure period on Austin to Washington, D.C. Dulles Intl Airport flights, with 67% of flights leaving in that window. Evening departures account for 33%, afternoon flights for 0%, and night flights for 0%.
What popular places can I visit in Washington, D.C. Dulles Intl Airport?
Some of the most popular sights in Washington, D.C. Dulles Intl Airport are Walter E. Washington Convention Center, National Mall and Capital One Arena. These are among the most viewed places in Washington, D.C. Dulles Intl Airport on KAYAK.
How long is a flight from Austin to Washington, D.C. Dulles Intl Airport?
A nonstop flight from Austin to Washington, D.C. Dulles Intl Airport takes 3h 15m, covering 1,295 miles.
What are the earliest and latest flights from Austin to Washington, D.C. Dulles Intl Airport?
These are the earliest and latest flight times available from Austin to Washington, D.C. Dulles Intl Airport:
• Earliest: departs at 7:15 am and lands at 10:30 am • Latest: departs at 5:14 pm and lands at 8:29 pm.
The flight takes about 3h 15m.
How expensive are last-minute Austin to Washington, D.C. Dulles Intl Airport flights?
Last-minute fares on this route - booked within 2 weeks of departure - run 72% above the route average of $504. Book 24 weeks before departure for the lowest fares.
Do I need a passport to fly from Austin to Washington, D.C. Dulles Intl Airport?
No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.
Have flight prices from Austin to Washington, D.C. Dulles Intl Airport changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $258 to $2,320. That means the highest observed fare was about 9x higher than the lowest one.
How are flight prices from Austin to Washington, D.C. Dulles Intl Airport looking right now?
One-way fares from Austin to Washington, D.C. Dulles Intl Airport are currently lower than usual. Average one-way flight prices are about $169, which is 40% below the typical average for this route.
How do delay rates compare for morning and evening flights from Austin to Washington, D.C. Dulles Intl Airport?
Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.
How much time can I save by choosing a different layover airport from Austin to Washington, D.C. Dulles Intl Airport?
Flying via Lambert-St Louis (STL) gives the shortest average 1-stop total travel time at 5h 00m, compared with 5h 27m via Dallas/Fort Worth (DFW) and 5h 32m via Charlotte Douglas (CLT).
What is the time difference between Austin and Washington, D.C. Dulles Intl Airport?
Washington, D.C. Dulles Intl Airport is 1 hour ahead of Austin (Eastern Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
What car rental options are available at Washington, D.C. Dulles Intl Airport (IAD)?
Washington, D.C. Dulles Intl Airport (IAD) hosts 5 major car rental companies, with daily rates starting from around $24 for economy cars. Top options include: · Dollar · Budget · Hertz · Sixt · Thrifty
How much should I expect to pay for a Austin to Washington, D.C. Dulles Intl Airport flight?
Round-trip flights from Austin to Washington, D.C. Dulles Intl Airport range from $380 to $651, with an average of $504 over the past 12 months. Anything below $380 counts as a good deal.
Your guide to booking Austin to Washington, D.C. Dulles Intl Airport flights
Get tips on when to book, when to fly and what to know before your trip.
If your dates can be flexible, aim for a Friday departure instead of Sunday. On this route, Friday flights average $457 - about $204 less than Sunday (31% savings) based on the last 12 months.
For the best chance at a low fare, aim to book around 24 weeks before you fly. On this route, that window historically saves about 74% versus last-minute pricing (KAYAK booking data, last 12 months).
If you can choose when to travel, plan your Austin to Washington, D.C. Dulles Intl Airport trip for July. Fares historically average $443 round-trip in that month - typically $239 less than the most expensive month, which is January (based on the last 12 months).
If arriving on time is high on your priority list, United Airlines is the strongest pick on this route. 94% of United Airlines flights from Austin to Washington, D.C. Dulles Intl Airport arrived on time in the past 3 months, slightly above the route's average on-time arrival rate of 94%. When flights on this route do arrive late, the average delay is 1 hour 41 minutes, so choosing a carrier with strong on-time performance can make a difference on tight schedules.
If you have the time, taking a 1-stop flight through Fort Lauderdale Airport (FLL) can be cheaper than flying direct. The cheapest layover option averages $173 round-trip on this route - about $352 less than direct flights (based on the last 12 months).
While you can find quite a few nonstop flights from Austin-Bergstrom International Airport (AUS) to Washington Dulles International Airport (IAD), there are also many journeys that require travelers to have a layover. Layovers for this route will often take place in cities such as Charlotte and Pittsburgh.
To save some money on your flight from Austin-Bergstrom International Airport (AUS) to Washington Dulles International Airport (IAD), consider booking a Basic Economy ticket. United Airlines offers this fare type and it is typically cheaper than a standard Economy seat.
If you fly with a company like American Airlines or Alaska Airlines, you will be allowed to bring a carry-on suitcase and a personal item without having to pay an additional fee. However, it is important to keep in mind that this is only for Economy seats, rather than Basic Economy.
Once you have landed at Washington Dulles International Airport (IAD), you have a few different transportation options for going to downtown Washington, D.C. If you drive, the trip will typically take around 35 to 40 minutes. Otherwise, you can take public transport, like bus line 38B, which will take around 1 hour and 5 minutes.
As this is a domestic flight, most airlines will require you to pay to check a bag. If you opt to upgrade your reservation, such as to Premium Economy, Business, or First Class, you will typically be able to check at least one bag for free.
Prefer to fly direct from Austin to Washington Dulles Airport?
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Austin Bergstrom to Washington, D.C. Dulles Intl.
Find which airlines fly direct from Austin Bergstrom Airport to Washington, D.C. Dulles Intl Airport, which days they fly and book direct flights.
Direct departures
Austin Bergstrom to Washington, D.C. Dulles Intl
Monday
United Airlines
United Airlines
Tuesday
United Airlines
United Airlines
Wednesday
United Airlines
United Airlines
Thursday
United Airlines
United Airlines
Friday
United Airlines
United Airlines
Saturday
United Airlines
United Airlines
Sunday
United Airlines
United Airlines
See more direct flights
Direct returns
Washington, D.C. Dulles Intl to Austin Bergstrom
Monday
United Airlines
United Airlines
Tuesday
United Airlines
United Airlines
Wednesday
United Airlines
United Airlines
Thursday
United Airlines
United Airlines
Friday
United Airlines
United Airlines
Saturday
United Airlines
United Airlines
Sunday
United Airlines
United Airlines
See more direct flights
Everything you need to know for your flight from Austin to Dulles Intl
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Cabin class types available on flights to Dulles Intl
Cabin classes available on flights from Austin to Dulles Intl. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
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