Cheap flights from Washington, D.C. Dulles Intl Airport to Austin from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Austin departing on 10/8. 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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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Austin

Cheap round-trip flights

Allegiant Air Logo
10:13 am - 12:32 pmIAD-AUS
3h 19mnonstop
Allegiant Air Logo
11:47 am - 3:56 pmAUS-IAD
3h 09mnonstop
$160Allegiant Air
Find Deal
Mon, Aug 4 - Mon, Aug 11
Allegiant Air Logo
10:13 am - 12:32 pmIAD-AUS
3h 19mnonstop
Allegiant Air Logo
11:47 am - 3:56 pmAUS-IAD
3h 09mnonstop
$170Allegiant Air
Find Deal
Mon, Aug 4 - Mon, Aug 11
United Airlines Logo
8:45 am - 11:09 amIAD-AUS
3h 24mnonstop
United Airlines Logo
12:11 pm - 4:27 pmAUS-IAD
3h 16mnonstop
$197United Airlines
Find Deal
Mon, Aug 11 - Thu, Aug 14
United Airlines Logo
1:15 pm - 3:40 pmIAD-AUS
3h 25mnonstop
United Airlines Logo
7:00 am - 2:37 pmAUS-IAD
6h 37m1 stop
$203United Airlines
Find Deal
Tue, Aug 12 - Tue, Aug 19
American Airlines Logo
11:51 am - 6:46 pmIAD-AUS
7h 55m1 stop
American Airlines Logo
4:54 pm - 10:48 pmAUS-IAD
4h 54m1 stop
$218American Airlines
Find Deal
Sat, Aug 30 - Sat, Sep 6
American Airlines Logo
6:27 am - 11:45 amIAD-AUS
6h 18m1 stop
American Airlines Logo
4:54 pm - 10:48 pmAUS-IAD
4h 54m1 stop
$219American Airlines
Find Deal
Sat, Aug 30 - Sat, Sep 6
Frontier Logo
6:10 am - 4:46 pmIAD-AUS
11h 36m1 stop
Frontier Logo
5:31 pm - 12:12 amAUS-IAD
5h 41m1 stop
$228Frontier
Find Deal
Thu, Jul 31 - Mon, Aug 4
Delta Logo
1:00 pm - 6:20 pmIAD-AUS
6h 20m1 stop
Delta Logo
5:35 am - 11:23 amAUS-IAD
4h 48m1 stop
$237Delta
Find Deal
Wed, Aug 13 - Sat, Aug 16
Frontier Logo
6:10 am - 4:46 pmIAD-AUS
11h 36m1 stop
Frontier Logo
5:31 pm - 12:12 amAUS-IAD
5h 41m1 stop
$238Frontier
Find Deal
Thu, Jul 31 - Mon, Aug 4
Delta Logo
7:36 pm - 12:14 amIAD-AUS
5h 38m1 stop
Delta Logo
8:00 am - 2:31 pmAUS-IAD
5h 31m1 stop
$262Delta
Find Deal
Fri, Aug 8 - Tue, Aug 19

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Austin flight tickets
United Airlines
Aug 11
IAD8:45 amWashington, D.C. Dulles Intl
3h 24m
AUS11:09 amAustin Bergstrom
Aug 14
AUS12:11 pmAustin Bergstrom
3h 16m
IAD4:27 pmWashington, D.C. Dulles Intl
United Airlines
Aug 12
IAD1:15 pmWashington, D.C. Dulles Intl
3h 25m
AUS3:40 pmAustin Bergstrom
Aug 19
AUS7:00 amAustin Bergstrom
6h 37m
1 stop
IAD2:37 pmWashington, D.C. Dulles Intl
United Airlines
Sep 13
IAD5:55 pmWashington, D.C. Dulles Intl
5h 58m
1 stop
AUS10:53 pmAustin Bergstrom
Sep 17
AUS7:15 amAustin Bergstrom
3h 16m
IAD11:31 amWashington, D.C. Dulles Intl

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Austin flight tickets
American Airlines
Aug 30
IAD11:51 amWashington, D.C. Dulles Intl
7h 55m
1 stop
AUS6:46 pmAustin Bergstrom
Sep 6
AUS4:54 pmAustin Bergstrom
4h 54m
1 stop
IAD10:48 pmWashington, D.C. Dulles Intl
American Airlines
Aug 30
IAD6:27 amWashington, D.C. Dulles Intl
6h 18m
1 stop
AUS11:45 amAustin Bergstrom
Sep 6
AUS4:54 pmAustin Bergstrom
4h 54m
1 stop
IAD10:48 pmWashington, D.C. Dulles Intl
American Airlines
Aug 16
IAD6:27 amWashington, D.C. Dulles Intl
8h 16m
1 stop
AUS1:43 pmAustin Bergstrom
Aug 18
AUS6:00 amAustin Bergstrom
8h 19m
2 stops
IAD3:19 pmWashington, D.C. Dulles Intl

See travel insights to Austin from

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

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Austin?

What is the cheapest month to fly to Austin?

The cheapest month to fly to Austin from Washington, D.C. Dulles Intl Airport is in August. Flight prices, which tend to average around $353, are often lower during this time because this is during the off-season. If you’re not able to fly to Austin in August, then July is your next best option. Flight prices from Washington, D.C. Dulles Intl Airport to Austin during July average around $358.

What is the cheapest day to depart on your flight to Austin?

The cheapest day to depart on your flight to Austin is on a Saturday when prices can be found for as low as $473. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Washington, D.C. Dulles Intl Airport to Austin for around $555.

What is the cheapest time of day to depart on your flight to Austin?

In the evening is the cheapest time of day to fly from Washington, D.C. Dulles Intl Airport to Austin when you can find flight prices for as low as $323. Flying to Austin in the evening is an ideal time because this is during off-peak travel hours. Flights to Austin are more costly at noon, with an average ticket price of $503. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Austin?

You are more likely to see cheaper flights to Austin from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Austin for around $482 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Austin from Washington, D.C. Dulles Intl Airport for as low as $350 on momondo.

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

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

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

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

As of July 2025, prices for Washington, D.C. Dulles Intl Airport to Austin flights are approximately 5% more expensive when compared to flights at the same time last year.

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

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

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

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

Best Price Found

$99

Fastest flight time

3h 19m

Direct flights

Every day

Airports in Austin

1 airport
The best one-way flight to Austin from Washington, D.C. Dulles Intl Airport in the past 72 hours is $99. The best round-trip flight deal from Washington, D.C. Dulles Intl Airport to Austin found on momondo in the last 72 hours is $160.
The fastest flight from Washington, D.C. Dulles Intl Airport to Austin takes 3h 19m
Direct flights go from Washington, D.C. Dulles Intl Airport to Austin every day.
There is 1 airport near Austin: Austin Bergstrom (AUS)

  • How far is Washington, D.C. Dulles Intl to Austin Bergstrom by plane?

    Austin Bergstrom is 1295.3 mi away from Washington, D.C. Dulles Intl. In terms of flight time, this usually takes a little over 3h 19m.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. Dulles Intl Airport to Austin Bergstrom Airport.

  • What documentation or ID do you need to fly to Austin Bergstrom Airport?

    The travel and health documents required for your trip to Austin Bergstrom Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Austin Bergstrom Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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


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

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Austin with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.9
3,252 reviews
Search Frontier flights
Allegiant AirPriceFrom $115Free CancellationRating
7.2
702 reviews
Search Allegiant Air flights
DeltaPriceFrom $222Free CancellationRating
8.0
7,959 reviews
Search Delta flights
American AirlinesPriceFrom $255Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
8,864 reviews
Search United Airlines flights
SouthwestPriceFrom $447Free CancellationRating
8.0
4,239 reviews
Search Southwest flights
  • United Airlines Flights From Washington, D.C. Dulles Intl Airport to Austin

    United Airlines flight deals from Washington, D.C. Dulles Intl Airport to Austin start from $283 round-trip. Over the 16 United Airlines flights for this route in a normal week, average airfare is usually $523 round-trip - but some users have found much cheaper deals with momondo.


Traveling to a place near Austin?

Book flights to Austin if you plan to visit one of these locations
Fredericksburg
San Marcos
Round Rock
Wimberley
Georgetown
Canyon Lake
Marble Falls
Dripping Springs
Cedar Park
Horseshoe Bay
Pflugerville
Seguin
Kyle
Bastrop
Buda
Flatonia

Why use momondo?

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

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

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

All flight searches from Washington, D.C. to Austin on momondo can be filtered to show those which offer flexible booking policies.

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

Once you have performed a search for Washington, D.C. to Austin flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Washington, D.C. to Austin 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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