$83 Cheap Flights from Austin (AUS) to Washington (IAD)
Popular airlines from Austin-Bergstrom Intl. Airport (AUS) to Washington Dulles Intl. Airport (IAD)
Alaska AirlinesAlaska Airlines
UnitedUnited
American AirlinesAmerican Airlines
Frontier AirlinesFrontier Airlines
DeltaDelta
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Cheap Flights from Austin to Washington (AUS-IAD)
Alternative airports near Washington
Prices were available within the past 7 days. Prices and availability are subject to change.
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Austin (AUS) to Washington (IAD) at a glance
Travel from Austin (AUS) to Washington (IAD) with a selection of airlines on this domestic short-haul route. You can choose from both full-service and low-cost carriers to discover the best options that align with your budget and travel schedule. As you plan your visit to Washington's iconic landmarks and vibrant neighborhoods, find essential information about flights from Austin-Bergstrom International Airport (AUS) to Washington Dulles International Airport (IAD).
- Fastest flight duration: around 3h 15m non-stop
- Route distance: roughly 1,300 miles (2,090 km)
- Flights per week: around 15+ flights with multiple daily departures on average
- Typical fares (one-way): economy tickets often range from $95–$545, depending on seasonality and how far ahead you book
Flights from Austin-Bergstrom International Airport (AUS) to Washington Dulles International Airport (IAD)
Based on the latest traveler bookings, here are the top airlines preferred for routes from Austin to Washington, often selected for their non-stop and one-stop flights. Popular layover options include Hartsfield-Jackson Atlanta International Airport (ATL) with an approximate 1 hour and 15-minute layover, Dallas-Fort Worth International Airport (DFW) at about 1 hour, and Charlotte-Douglas International Airport (CLT) with a 50-minute layover. These choices allow you to customize your itinerary by balancing price, travel time, and cabin class.
- United: This full-service airline provides both non-stop and one-stop flights, with one-way ticket prices usually between $115 and $560. United represents about 78% of the departures on this route, featuring a typical non-stop flight duration of 3 hours and 15 minutes.
- Frontier Airlines: As a budget airline, Frontier offers one-stop flights with fares often ranging from $95 to $270. Covering roughly 10% of the departures on this route, travelers can expect an in-flight duration of 4 hours and 15 minutes, leading to a total travel time of about 5 hours and 30 minutes, including layovers.
- American Airlines: This full-service carrier provides one-stop services, with one-way prices typically falling between $95 and $530. American Airlines accounts for around 6% of the departures on this route, featuring a flight time of 4 hours and 15 minutes and a total journey duration of approximately 5 hours and 30 minutes, factoring in layovers.
- Delta: Delta, another full-service airline, offers one-stop flights with one-way fares generally ranging from $110 to $510. It represents about 5% of departures on this route, with an in-flight duration of 4 hours and 15 minutes, leading to a total travel time of around 5 hours and 30 minutes, including layovers.
- Southwest Airlines: As a low-cost option, Southwest provides one-stop services with one-way fares typically ranging from $205 to $465. The in-flight time averages around 4 hours and 15 minutes, resulting in a total journey duration of approximately 5 hours and 30 minutes, including any layovers.
Travelers flying from Austin to Washington can enhance their journey by upgrading to United's first class or premium economy service, ensuring a more comfortable and enjoyable flight experience.
Best time to fly from Austin (AUS) to Washington (IAD)
The most popular months for travelers flying from Austin to Washington are March, April, and May, when peak temperatures in Washington reach up to 64.6°F in May. If you prefer quieter travel, consider August, the least busy time to visit with temperatures around 76.3°F and typically the lowest average one-way fare (around $233). Flight availability peaks in May, with approximately 26 flights per week, making it easier to find convenient departure times. January and February have the fewest flights, with approximately 15 flights per week.
- Cheapest time to fly: August usually offers good deals with average one-way fare around $233, roughly 20% cheaper than the yearly average.
- Most flight options: May has the highest number of flights from Austin to Washington, with approximately 26 flights per week, giving you more flexibility in scheduling your trip.
| Month | Temperature | Demand | Weekly Flights | Average one-way Fare |
| January | 33.6°F (0.9°C) | Average | 15 | $334 |
| February | 36.9°F (2.7°C) | Average | 15 | $360 |
| March | 44.4°F (6.9°C) | Moderately High | 19 | $301 |
| April | 55.0°F (12.8°C) | Moderately High | 18 | $319 |
| May | 64.6°F (18.1°C) | Moderately High | 26 | $270 |
| June | 73.2°F (22.9°C) | Average | 25 | $271 |
| July | 78.4°F (25.8°C) | Average | 21 | $272 |
| August | 76.3°F (24.6°C) | Moderately Low | 19 | $233 |
| September | 69.6°F (20.9°C) | Moderately Low | 21 | $281 |
| October | 58.5°F (14.7°C) | Average | 19 | $284 |
| November | 46.2°F (7.9°C) | Average | 22 | $294 |
| December | 39.2°F (4.0°C) | Moderately Low | 19 | $304 |
*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.
Alternative routes from Austin (AUS) to Washington (IAD)
- San Antonio to Washington (SAT-IAD): San Antonio International Airport (SAT) is approximately 67 miles from Austin-Bergstrom International Airport (AUS). One-way economy tickets for this route generally fall between $100 and $440, influenced by the travel season and how far in advance you book. This route commonly features both non-stop and one-stop flight options. Major airlines operating on this route include United and Delta, with first-class service also available.
- Austin to Washington (AUS-DCA): Ronald Reagan Washington National Airport (DCA) is located about 23 miles from Washington Dulles International Airport (IAD). One-way economy fares for this journey typically range from $105 to $535, depending on the time of year and booking timing. Travelers can choose from both non-stop and one-stop flights, with frequent layover points including Dallas-Fort Worth International Airport (DFW) and Hartsfield-Jackson Atlanta International Airport (ATL). Leading airlines for this route comprise Southwest Airlines (a low-cost option) and American Airlines, with first-class service available as well.
- San Antonio to Washington (SAT-DCA): San Antonio International Airport (SAT) is roughly 67 miles from Austin-Bergstrom International Airport (AUS), while Ronald Reagan Washington National Airport (DCA) is about 23 miles from Washington Dulles International Airport (IAD). One-way economy fares on this route typically range from $95 to $390, varying by season and the timing of your booking. The route is serviced by both non-stop and one-stop flight choices. Key airlines for this route include American Airlines and Southwest Airlines (a low-cost carrier), with first-class service options available as well.
How to find the best prices for flights from Austin (AUS) to Washington (IAD)
Getting some of the best deals on flights from Austin to Washington is all about timing and flexibility. Here are some key tips to help you save:
- Best times to book and fly: cheaper fares are usually available when booking at least two months in advance, although most travelers tend to book between two to eight weeks ahead. Departures in the afternoon, from 12 PM to 6 PM, often offer lower prices and are popular among travelers, while flying on Tuesday generally yields cheaper rates, even though Thursday remains the most favored travel day.
- Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
- Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
- Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
- Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
- Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.
*Members only. Savings vary and are not available on all bundles. Select hotels.
Arriving at Washington Dulles International Airport from Austin-Bergstrom International Airport
Washington welcomes travelers from Austin with a range of transport options based on price, convenience, and proximity. Washington city center is approximately a 40-minute drive (covering about 29 miles) from Washington Dulles International Airport, depending on traffic. Here's how to reach Washington efficiently:
- Hotel transfer: Transfers offer a convenient way to reach your hotel in Washington, with private rides that can be arranged in advance.
- Car rental: Renting a car from Washington Dulles International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Washington Dulles International Airport on Expedia.
- Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
- Public transportation: From Washington Dulles International Airport, the Washington Dulles International Airport Metrorail Station, a metro station, is located about 0.2 miles away on foot, providing convenient access to public transit.
Austin to Washington Flights
The cheapest times to fly from Austin to Washington
On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Austin to Washington are during the month of December. You can find some of the cheapest flights from Austin to Washington with Expedia's search tool and vast selection of airlines.
The best time to book a flight from Austin to Washington
Sunday is one of the best days to book for cheap flights from Austin to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.
How to find cheap round-trip tickets from Austin to Washington
Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Austin to Washington in 2026. You can also book with separate airlines for your outbound and return journeys, from $83 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.
Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Austin to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.
You could also save big by booking one of Expedia's vacation packages. Bundling together your Austin to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.
*Terms apply.
Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.
Frequently Asked Questions
How much does a flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?
You can find cheap one-way flights from $83 and cheap return flights $165 Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.) with Expedia. One-way flights typically cost between $223 and $1249, and return flights often range between $392 and $1442. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.) ticket fares go up or down.
*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
August is typically the cheapest month to fly from Austin to Washington, DC, with average round-trip fares around $382. This price is about 20% lower than the average throughout the year, as demand tends to decrease after the summer travel season. Other cheap months to fly from Austin to Washington, DC include April and September.
*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
United offers around 22 weekly direct flights from AUS to IAD.
How do I find cheap flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best airline to fly with from Austin, TX (AUS) to Washington, DC (IAD) will differ from traveler to traveler. If you like to fly early, United offers early morning flights. If price is the most important factor, United typically offers the lowest fares. Alaska Airlines offers the most daily flights from AUS to IAD, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
When flying from Austin-Bergstrom International Airport (AUS) to Washington Dulles International Airport (IAD), consider traveling in April or August. Average return flight prices are around $382, making these months both affordable and convenient. April offers pleasant spring weather, while August allows you to enjoy the summer vibe in D.C. with plenty of flight options available.
*Prices based on flights available on Expedia in the last year.
How many flights per day from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You can find approximately 3 nonstop flights per day from Austin-Bergstrom Intl. (AUS) to Washington Dulles Intl. (IAD). For more options, look at flights that include layovers.
What is the earliest flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Austin-Bergstrom International (AUS) to Washington Dulles International (IAD) usually departs at around 5:00 AM, operated by American Airlines. This seasonal service is available in December, giving you an early start to your trip to Washington, DC. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What are the most popular departure times for flights from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Austin, TX (AUS) to Washington, DC (IAD) are in the early morning, from 6am to 9am. About 27% of passengers prefer this time window. Many major carriers, including United, Delta and American Airlines, offer flights during this window. This timing is favored as it allows you to maximize your day in Austin before your flight.
How long does it take to fly from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Flying nonstop from AUS to IAD takes around 3 hours 20 minutes, with the route covering approximately 1,295 miles. Flights with a layover typically take 2 hours 10 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
First class seats are offered on the AUS to IAD route. First class cabins are available on:
- United Airlines
- Delta Air Lines
- American Airlines
How much is a business class flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
A direct, return business class ticket from Austin (AUS) to Washington, DC (IAD) typically costs between $1,848 - $2,682 per adult. A non-stop, one-way business class flight is usually around $603 - $1,198 per adult. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.) if you opt for a connecting flight.
*Prices based on flights available on Expedia in the last year.
How do I earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.
*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Austin-Bergstrom Intl. (AUS)?
When traveling from Austin-Bergstrom Intl. (AUS) to Washington, you can fly into Washington Dulles Intl. (IAD) and Ronald Reagan Washington National (DCA). Some flights may connect through major hubs like Portland Intl. (PDX), San Francisco Intl. (SFO), San Diego Intl. (SAN) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.) Fairfax County Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Austin, TX (AUS-Austin-Bergstrom Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.
Travel information
Origin airport | Austin-Bergstrom Intl. Airport |
|---|---|
Destination airport | Washington Dulles Intl. Airport |
Distance | 1,295 miles away |
Airlines serving | Alaska Airlines, United, American Airlines, Frontier Airlines, Delta |
Popular airline | Alaska Airlines |
Roundtrip price | $165 |
Average flight time | 3 hours 9 mins |