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Cheap flights from Austin to Washington, D.C. from $91

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 3/9. 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

Enter your travel dates to find the best prices.
Frontier Logo
7:19 pm - 7:58 pm
AUS
-
IAD
23h 39m1 stop
Frontier Logo
8:49 am - 6:34 pm
IAD
-
AUS
10h 45m1 stop
$218Frontier
Thu, Jan 15 - Sun, Jan 18
Frontier Logo
11:16 am - 8:33 am
AUS
-
IAD
20h 17m1 stop
Frontier Logo
5:37 pm - 5:02 pm
IAD
-
AUS
24h 25m1 stop
$222Frontier
Sat, Jan 31 - Sun, Feb 1
Multiple Airlines Logo
11:16 am - 8:33 am
AUS
-
IAD
20h 17m1 stop
Multiple Airlines Logo
5:37 pm - 10:34 am
IAD
-
AUS
17h 57m2 stops
$226Multiple Airlines
Sat, Jan 31 - Sun, Feb 1
Multiple Airlines Logo
11:16 am - 8:40 am
AUS
-
IAD
20h 24m1 stop
Multiple Airlines Logo
8:00 am - 11:15 am
IAD
-
AUS
28h 15m1 stop
$231Multiple Airlines
Thu, Jan 29 - Sat, Jan 31
Multiple Airlines Logo
11:16 am - 8:40 am
AUS
-
IAD
20h 24m1 stop
Multiple Airlines Logo
8:00 am - 11:15 am
IAD
-
AUS
28h 15m1 stop
$238Multiple Airlines
Thu, Jan 29 - Sat, Jan 31
Frontier Logo
5:42 pm - 9:08 am
AUS
-
IAD
14h 26m1 stop
Frontier Logo
6:00 am - 5:07 pm
IAD
-
AUS
12h 07m1 stop
$253Frontier
Fri, Jan 9 - Sun, Jan 18
Frontier Logo
5:42 pm - 9:08 am
AUS
-
IAD
14h 26m1 stop
Frontier Logo
9:35 am - 10:21 am
IAD
-
AUS
25h 46m1 stop
$273Frontier
Fri, Jan 9 - Fri, Jan 23
Multiple Airlines Logo
6:05 pm - 4:46 pm
AUS
-
IAD
21h 41m1 stop
Multiple Airlines Logo
4:22 pm - 10:48 pm
IAD
-
AUS
31h 26m3 stops
$275Multiple Airlines
Thu, Jan 8 - Mon, Jan 12
Multiple Airlines Logo
5:58 pm - 10:44 am
AUS
-
IAD
15h 46m1 stop
Multiple Airlines Logo
8:00 am - 10:37 am
IAD
-
AUS
27h 37m2 stops
$278Multiple Airlines
Fri, Jan 30 - Wed, Feb 11
Multiple Airlines Logo
5:30 am - 8:50 am
AUS
-
IAD
26h 20m2 stops
Multiple Airlines Logo
6:00 am - 5:00 pm
IAD
-
AUS
12h 00m1 stop
$291Multiple Airlines
Fri, Jan 2 - Thu, Jan 8

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

Our best Alaska Airlines deals on Austin to Washington, D.C. Dulles Intl Airport flight tickets
Alaska Airlines
Jan 13
AUS7:15 amAustin Bergstrom
32h 11m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Jan 20
IAD6:04 pmWashington, D.C. Dulles Intl
22h 50m
1 stop
AUS3:54 pmAustin Bergstrom
$364
Find similar
Alaska Airlines
Feb 20
AUS7:00 pmAustin Bergstrom
21h 20m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Feb 23
IAD7:05 amWashington, D.C. Dulles Intl
32h 30m
1 stop
AUS2:35 pmAustin Bergstrom
$374
Find similar
Alaska Airlines
Jan 21
AUS7:15 amAustin Bergstrom
32h 11m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
Jan 24
IAD6:04 pmWashington, D.C. Dulles Intl
24h 55m
1 stop
AUS5:59 pmAustin Bergstrom
$375
Find similar

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
Dec 25
AUS1:26 pmAustin Bergstrom
8h 07m
1 stop
IAD10:33 pmWashington, D.C. Dulles Intl
Jan 1
IAD6:05 amWashington, D.C. Dulles Intl
9h 36m
1 stop
AUS2:41 pmAustin Bergstrom
$397
Find similar
American Airlines
Dec 24
AUS3:24 pmAustin Bergstrom
23h 52m
1 stop
IAD4:16 pmWashington, D.C. Dulles Intl
Jan 1
IAD6:05 amWashington, D.C. Dulles Intl
9h 36m
1 stop
AUS2:41 pmAustin Bergstrom
$457
Find similar
American Airlines
Dec 25
AUS12:40 pmAustin Bergstrom
8h 53m
1 stop
IAD10:33 pmWashington, D.C. Dulles Intl
Dec 31
IAD9:12 amWashington, D.C. Dulles Intl
6h 49m
1 stop
AUS3:01 pmAustin Bergstrom
$489
Find similar

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 December 15, 2025.
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

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 1/15

7:19 pm-7:58 pm

1 stop23h 39m

Washington, D.C. Dulles Intl

Sun 1/18

8:49 am-6:34 pm

1 stop10h 45m

$218

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sat 1/31

11:16 am-8:33 am

1 stop20h 17m

Washington, D.C. Dulles Intl

Sun 2/1

5:37 pm-5:02 pm

1 stop24h 25m

$222

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Sat 1/31

11:16 am-8:33 am

1 stop20h 17m

Washington, D.C. Dulles Intl

Sun 2/1

5:37 pm-10:34 am

2 stops17h 57m

$226

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 1/29

11:16 am-8:40 am

1 stop20h 24m

Washington, D.C. Dulles Intl

Sat 1/31

8:00 am-11:15 am

1 stop28h 15m

$231

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 1/29

11:16 am-8:40 am

1 stop20h 24m

Washington, D.C. Dulles Intl

Sat 1/31

8:00 am-11:15 am

1 stop28h 15m

$238

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 1/9

5:42 pm-9:08 am

1 stop14h 26m

Washington, D.C. Dulles Intl

Sun 1/18

6:00 am-5:07 pm

1 stop12h 07m

$253

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 1/9

5:42 pm-9:08 am

1 stop14h 26m

Washington, D.C. Dulles Intl

Fri 1/23

9:35 am-10:21 am

1 stop25h 46m

$273

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Thu 1/8

6:05 pm-4:46 pm

1 stop21h 41m

Washington, D.C. Dulles Intl

Mon 1/12

4:22 pm-10:48 pm

3 stops31h 26m

$275

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 1/30

5:58 pm-10:44 am

1 stop15h 46m

Washington, D.C. Dulles Intl

Wed 2/11

8:00 am-10:37 am

2 stops27h 37m

$278

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

Fri 1/2

5:30 am-8:50 am

2 stops26h 20m

Washington, D.C. Dulles Intl

Thu 1/8

6:00 am-5:00 pm

1 stop12h 00m

$291

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 $355. 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 $575. When flying out on a Sunday, 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 $883.

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 $721 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 $886 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 $480 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 $241 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 December 2025, prices for Austin to Washington, D.C. Dulles Intl Airport flights are approximately 20% 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

$294

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 $294. The best round-trip flight deal from Austin to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $553.
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.
Search flight deals

  • 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 $100Free CancellationRating
7.2
700 reviews
Search Allegiant Air flights
FrontierPriceFrom $130Free CancellationRating
5.8
3,080 reviews
Search Frontier flights
American AirlinesPriceFrom $210Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
DeltaPriceFrom $236Free CancellationRating
7.9
8,008 reviews
Search Delta flights
United AirlinesPriceFrom $277Free CancellationRating
7.4
9,092 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 $277. Generally, United Airlines has 18 flights on this route every week with an average price of $506. 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Harpers Ferry
Rockville
Gaithersburg
Reston
Manassas
Sterling
Fairfax

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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