Cheap flights from Austin to Washington, D.C. from $156

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Austin to Washington, D.C. departing on 3/31. 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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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
4:14 pm - 12:31 am
AUS
-
IAD
7h 17m
1 stop
Multiple Airlines Logo
6:00 am - 12:24 am
IAD
-
AUS
19h 24m
2 stops
$256Multiple Airlines
Mon, Mar 30 - Wed, Apr 1
Multiple Airlines Logo
5:40 pm - 12:36 am
AUS
-
IAD
5h 56m
1 stop
Multiple Airlines Logo
7:05 am - 11:40 pm
IAD
-
AUS
17h 35m
2 stops
$257Multiple Airlines
Thu, May 14 - Sat, May 16
Frontier Logo
5:40 pm - 7:27 am
AUS
-
IAD
12h 47m
2 stops
Frontier Logo
8:09 am - 7:46 pm
IAD
-
AUS
12h 37m
1 stop
$258Frontier
Fri, May 15 - Mon, May 18
Frontier Logo
9:47 pm - 9:54 am
AUS
-
IAD
11h 07m
2 stops
Frontier Logo
7:11 pm - 5:08 pm
IAD
-
AUS
22h 57m
1 stop
$259Frontier
Fri, May 1 - Sun, May 3
Frontier Logo
8:39 pm - 12:36 am
AUS
-
IAD
26h 57m
2 stops
Frontier Logo
9:51 am - 4:45 pm
IAD
-
AUS
7h 54m
1 stop
$260Frontier
Thu, May 7 - Mon, May 11
Frontier Logo
5:40 pm - 12:36 am
AUS
-
IAD
5h 56m
1 stop
Frontier Logo
8:09 am - 7:46 pm
IAD
-
AUS
12h 37m
1 stop
$261Frontier
Fri, May 15 - Sun, May 17
Frontier Logo
6:02 pm - 12:36 am
AUS
-
IAD
5h 34m
1 stop
Frontier Logo
11:17 am - 12:15 pm
IAD
-
AUS
25h 58m
2 stops
$262Frontier
Fri, Apr 24 - Sun, Apr 26
Frontier Logo
5:40 pm - 7:27 am
AUS
-
IAD
12h 47m
2 stops
Frontier Logo
8:09 am - 7:46 pm
IAD
-
AUS
12h 37m
1 stop
$263Frontier
Thu, May 14 - Sun, May 17
Frontier Logo
8:50 pm - 8:56 am
AUS
-
IAD
11h 06m
2 stops
Frontier Logo
11:17 am - 7:25 pm
IAD
-
AUS
9h 08m
1 stop
$265Frontier
Sat, Apr 25 - Sun, Apr 26
Multiple Airlines Logo
9:25 am - 12:36 am
AUS
-
IAD
14h 11m
2 stops
Multiple Airlines Logo
8:09 am - 7:46 pm
IAD
-
AUS
12h 37m
1 stop
$266Multiple Airlines
Wed, May 13 - Sun, May 17

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

Our best American Airlines deals on Austin to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Apr 9
AUS3:36 pmAustin Bergstrom
7h 23m
1 stop
IAD11:59 pmWashington, D.C. Dulles Intl
Apr 13
IAD5:59 pmWashington, D.C. Dulles Intl
5h 51m
1 stop
AUS10:50 pmAustin Bergstrom
$281
American Airlines
Apr 21
AUS2:46 pmAustin Bergstrom
7h 40m
1 stop
IAD11:26 pmWashington, D.C. Dulles Intl
May 5
IAD10:32 amWashington, D.C. Dulles Intl
9h 07m
2 stops
AUS6:39 pmAustin Bergstrom
$286
American Airlines
Apr 21
AUS1:55 pmAustin Bergstrom
8h 11m
2 stops
IAD11:06 pmWashington, D.C. Dulles Intl
May 5
IAD10:32 amWashington, D.C. Dulles Intl
9h 07m
2 stops
AUS6:39 pmAustin Bergstrom
$292

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

Our best Frontier deals on Austin to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
May 15
AUS5:40 pmAustin Bergstrom
12h 47m
2 stops
IAD7:27 amWashington, D.C. Dulles Intl
May 18
IAD8:09 amWashington, D.C. Dulles Intl
12h 37m
1 stop
AUS7:46 pmAustin Bergstrom
$258
Frontier
May 1
AUS9:47 pmAustin Bergstrom
11h 07m
2 stops
IAD9:54 amWashington, D.C. Dulles Intl
May 3
IAD7:11 pmWashington, D.C. Dulles Intl
22h 57m
1 stop
AUS5:08 pmAustin Bergstrom
$259
Frontier
May 7
AUS8:39 pmAustin Bergstrom
26h 57m
2 stops
IAD12:36 amWashington, D.C. Dulles Intl
May 11
IAD9:51 amWashington, D.C. Dulles Intl
7h 54m
1 stop
AUS4:45 pmAustin Bergstrom
$260

momondo Fare Finder

 
Customize your flight search to find flights from Austin to Washington, D.C. Dulles Intl Airport 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 March 11, 2026.
Use the filters below to find and compare flights from Austin to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Mon 3/30

4:14 pm-12:31 am

1 stop7h 17m

Washington, D.C. Dulles Intl

Wed 4/1

6:00 am-12:24 am

2 stops19h 24m

$256

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 5/14

5:40 pm-12:36 am

1 stop5h 56m

Washington, D.C. Dulles Intl

Sat 5/16

7:05 am-11:40 pm

2 stops17h 35m

$257

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 5/15

5:40 pm-7:27 am

2 stops12h 47m

Washington, D.C. Dulles Intl

Mon 5/18

8:09 am-7:46 pm

1 stop12h 37m

$258

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 5/1

9:47 pm-9:54 am

2 stops11h 07m

Washington, D.C. Dulles Intl

Sun 5/3

7:11 pm-5:08 pm

1 stop22h 57m

$259

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 5/7

8:39 pm-12:36 am

2 stops26h 57m

Washington, D.C. Dulles Intl

Mon 5/11

9:51 am-4:45 pm

1 stop7h 54m

$260
Quickest round-trip

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 5/15

5:40 pm-12:36 am

1 stop5h 56m

Washington, D.C. Dulles Intl

Sun 5/17

8:09 am-7:46 pm

1 stop12h 37m

$261

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 4/24

6:02 pm-12:36 am

1 stop5h 34m

Washington, D.C. Dulles Intl

Sun 4/26

11:17 am-12:15 pm

2 stops25h 58m

$262

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 5/14

5:40 pm-7:27 am

2 stops12h 47m

Washington, D.C. Dulles Intl

Sun 5/17

8:09 am-7:46 pm

1 stop12h 37m

$263

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sat 4/25

8:50 pm-8:56 am

2 stops11h 06m

Washington, D.C. Dulles Intl

Sun 4/26

11:17 am-7:25 pm

1 stop9h 08m

$265

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Wed 5/13

9:25 am-12:36 am

2 stops14h 11m

Washington, D.C. Dulles Intl

Sun 5/17

8:09 am-7:46 pm

1 stop12h 37m

$266

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 Washington, D.C. from

How to get the cheapest flight ticket from Austin to Washington, D.C. Dulles Intl Airport

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 Washington, D.C. Dulles Intl Airport?

In general, August is the cheapest month to fly from Austin to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $353. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $377.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $567. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Austin to Washington, D.C. Dulles Intl Airport for around $863.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Austin in the morning is the least expensive time of day to depart. momondo users have found prices as low as $695 when looking at flights departing in the morning. If you have a flexible travel schedule, then try to avoid flying in the afternoon when prices are $858 on average. Flights to Washington, D.C. Dulles Intl Airport from Austin in the afternoon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Austin Bergstrom to Washington, D.C. Dulles Intl flight route?

Fly from Austin Bergstrom to Washington, D.C. Dulles Intl for the best Austin Bergstrom - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Austin when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $486 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Austin for as low as $230 on momondo.

What cabin class options are available on Austin Bergstrom to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Austin Bergstrom to Washington, D.C. Dulles Intl 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 Austin to Washington, D.C. Dulles Intl Airport flights?

No. A direct flight is the cheapest option for a flight between Austin to Washington, D.C. Dulles Intl Airport.

How have Austin to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of March 2026, prices for Austin to Washington, D.C. Dulles Intl Airport flights are approximately 85% more expensive when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Austin to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Austin to Washington, D.C. Dulles Intl Airport (AUS to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Austin to Washington, D.C. Dulles Intl Airport

Best Price Found

$268

Fastest flight time

3h 07m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Austin in the past 72 hours is $268. The best round-trip flight deal from Austin to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $524.
The fastest flight from Austin to Washington, D.C. Dulles Intl Airport takes 3h 07m
Direct flights go from Austin to Washington, D.C. Dulles Intl Airport every day.
  • How far is Austin Bergstrom to Washington, D.C. Dulles Intl by plane?

    There are 1295.3 mi between Austin Bergstrom and Washington, D.C. Dulles Intl. Typically, this will take 3h 07m by plane in normal conditions.

  • When did momondo last update prices for flights from Austin Bergstrom Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Austin Bergstrom Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Austin Bergstrom Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Austin Bergstrom Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Austin Bergstrom Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The necessary travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Austin to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Austin to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Austin to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Austin to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Allegiant AirPriceFrom $92Free CancellationRating
7.3
714 reviews
Search Allegiant Air flights
DeltaPriceFrom $118Free CancellationRating
7.9
8,286 reviews
Search Delta flights
FrontierPriceFrom $141Free CancellationRating
5.7
3,035 reviews
Search Frontier flights
American AirlinesPriceFrom $210Free CancellationRating
7.1
11,432 reviews
Search American Airlines flights
United AirlinesPriceFrom $275Free CancellationRating
7.4
9,418 reviews
Search United Airlines flights
  • United Airlines Flights From Austin to Washington, D.C. Dulles Intl Airport

    The lowest priced United Airlines flight from Austin to Washington, D.C. Dulles Intl Airport from the last 72 hours was $275. Generally, United Airlines has 10 flights on this route every week with an average price of $502. United Airlines is rated 7.4/10 by our users.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Colonial Beach
Laurel
Towson
Gaithersburg
Silver Spring
Fredericksburg
Rockville
Tysons
Manassas
Springfield
Bethesda
Fairfax
Sterling

Why use momondo?

Why should I use momondo to find a flight deal from Austin to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Austin to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Austin to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Austin with this policy.

How can momondo help me find flights from Austin to Washington, D.C.?

momondo helps you find the best flight between Austin and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Austin to Washington, D.C. right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Austin to Washington, D.C. 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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1 adult
Fri 4/10
Fri 4/17

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