HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$107+ Cheap flights from Texas to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — IAD
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Texas to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Texas to Dulles Intl

Cheapest flights from Texas to Dulles Intl
Explore the most affordable flight options available from Texas to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This Booking.com deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/155:06 pm
DFW
-
IAD
Nonstop3h 06m
Frontier
Sat 8/227:24 pm
IAD
-
DFW
Nonstop3h 23m
Frontier
Deal found 7/23$200
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:13 am
DFW
-
IAD
1 stop10h 01m
Frontier
Mon 8/247:24 pm
IAD
-
DFW
Nonstop3h 23m
Frontier
Deal found 7/21$202
This Frontier deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/186:00 am
DFW
-
IAD
1 stop12h 44m
Frontier
Tue 8/257:24 pm
IAD
-
DFW
Nonstop3h 23m
Frontier
Deal found 7/22$203
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:06 pm
DFW
-
IAD
Nonstop3h 06m
Frontier
Sat 8/156:49 am
IAD
-
DFW
1 stop10h 18m
Frontier
Deal found 7/21$204
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/206:17 am
DFW
-
IAD
1 stop9h 57m
Frontier
Thu 8/276:20 am
IAD
-
DFW
1 stop6h 56m
Frontier
Deal found 7/21$205
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:00 am
DFW
-
IAD
1 stop6h 14m
Frontier
Tue 8/186:20 am
IAD
-
DFW
1 stop10h 40m
Frontier
Deal found 7/21$206
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:00 am
DFW
-
IAD
1 stop11h 52m
Frontier
Sat 8/156:49 am
IAD
-
DFW
1 stop10h 18m
Frontier
Deal found 7/22$207
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/510:00 am
DFW
-
IAD
1 stop6h 14m
Frontier
Sun 9/66:20 am
IAD
-
DFW
1 stop10h 40m
Frontier
Deal found 7/22$208
This Kiwi.com deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2810:00 am
DFW
-
IAD
1 stop6h 14m
Frontier
Mon 8/317:24 pm
IAD
-
DFW
Nonstop3h 23m
Frontier
Deal found 7/20$209
This Frontier deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/308:20 am
DFW
-
IAD
Nonstop3h 15m
Frontier
Mon 11/27:00 am
IAD
-
DFW
1 stop8h 54m
Frontier
Deal found 7/21$210
This Kiwi.com deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/85:06 pm
DFW
-
IAD
Nonstop3h 06m
Frontier
Thu 8/207:24 pm
IAD
-
DFW
Nonstop3h 23m
Frontier
Deal found 7/22$211
This Kiwi.com deal was found by Cheapflights users on 7/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:00 am
DFW
-
IAD
1 stop6h 14m
Frontier
Mon 8/248:39 pm
IAD
-
DFW
1 stop20h 21m
Frontier
Deal found 7/18$212

Find flight deals from Texas to Dulles Intl

Keep the following information in mind while searching for Texas to Dulles Intl flight deals. Data was last updated July 23, 2026.

Round-trip from

$200
(Frontier)

One-way from

$107
(WAYA)

Popular in

June

Cheapest in

October

Average price

$383

Good round-trip deal

$317 or less

Good one-way deal

$170 or less
From Texas to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Texas to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Texas to Washington, D.C. Dulles Intl.
Search Deals
Price to beat on a one-way flight from Texas to Washington, D.C. Dulles Intl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Texas to Dulles Intl 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, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
Use the filters below to find and compare flights from Texas to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Tue 8/18

8:10 am-2:05 pm

1 stop4h 55m

Washington, D.C. Dulles Intl

Wed 8/19

11:10 am-5:41 pm

1 stop7h 31m

$247

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Wed 8/26

6:00 am-2:05 pm

1 stop7h 05m

Washington, D.C. Dulles Intl

Sat 8/29

5:47 pm-10:26 pm

1 stop5h 39m

$248

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 9/5

3:07 pm-11:26 pm

1 stop7h 19m

Washington, D.C. Dulles Intl

Sun 9/6

6:10 am-10:24 am

1 stop5h 14m

$259

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Sat 10/24

6:50 pm-12:31 am

1 stop4h 41m

Washington, D.C. Dulles Intl

Fri 10/30

6:12 pm-10:44 pm

1 stop5h 32m

$269

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Tue 8/18

6:33 pm-12:34 am

1 stop5h 01m

Washington, D.C. Dulles Intl

Sat 8/22

6:00 am-9:31 am

1 stop4h 31m

$271

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Thu 10/8

2:00 pm-9:30 pm

1 stop6h 30m

Washington, D.C. Dulles Intl

Tue 10/13

3:05 pm-9:52 pm

1 stop7h 47m

$303

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

Fri 10/30

2:22 pm-8:48 pm

1 stop5h 26m

Washington, D.C. Dulles Intl

Sat 10/31

2:48 pm-7:22 pm

1 stop5h 34m

$309

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

Sat 9/5

7:50 pm-11:55 pm

Nonstop3h 05m

Washington, D.C. Dulles Intl

Tue 9/15

5:55 pm-8:18 pm

Nonstop3h 23m

$311

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Sat 9/5

5:59 pm-12:34 am

1 stop5h 35m

Washington, D.C. Dulles Intl

Sun 9/6

6:00 am-9:38 am

1 stop4h 38m

$311

HoustonWashington, D.C.

HOU - IAD

HOUIAD

Houston Hobby

Thu 8/20

6:00 am-11:33 am

1 stop4h 33m

Washington, D.C. Dulles Intl

Sun 8/23

6:00 am-9:50 am

1 stop4h 50m

$312

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

Best time to book a flight from Texas to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Texas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Texas to Washington, D.C. Dulles Intl Airport

What is the cheapest month to book a flight from Texas to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Texas to Washington, D.C. Dulles Intl Airport (average of $283). Flying from Texas to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $461). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from TX to IAD?

Find hourly flight availability from Texas to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 23, 2026.

It’s optimal to fly from Texas to Washington, D.C. Dulles Intl Airport in the morning. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight in the evening.

Weekly flight availability from Texas to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Texas to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 23, 2026.

The most flights from USTX to IAD are scheduled on a Thursday (19 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (10 on average).

How much does it cost to fly round-trip from Texas to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment.
Texas to Washington, D.C. Dulles Intl Airport flights typically cost between $202 and $361 in August.
The cheapest round-trip price found within the last 5 days was $200 on Frontier (Aug 15-Aug 22).

How far ahead should I book a flight from Texas to Washington, D.C. Dulles Intl Airport?

Booking 80 days in advance of your planned departure date is, on average, the best time to get cheap flights from Texas to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest day to fly from Texas to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Texas to Dulles Intl. Price data was last updated on July 18, 2026.

Travelers seeking maximum savings on their Texas to Washington, D.C. Dulles Intl Airport flight should consider departing on Wednesday at noon when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Texas to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Texas to Washington, D.C. Dulles Intl Airport?

    A quick flight from Texas to Washington, D.C. Dulles Intl Airport can take about 4h 55m. Delta provides one of the quickest options available for as low as $247. There are 1169 mi between Texas and Washington, D.C. Dulles Intl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Texas to Washington, D.C. Dulles Intl Airport one-way?

    $44 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Southwest and American Airlines, with prices starting from $80 and $97, respectively.

  • What are the most popular routes from Texas to Washington, D.C. Dulles Intl Airport?

    When deciding which route to take from Texas to Washington, D.C. Dulles Intl Airport consider Dallas/Fort Worth - Washington, D.C. Dulles Intl, Houston Hobby - Washington, D.C. Dulles Intl or Austin Bergstrom - Washington, D.C. Dulles Intl as they are the most popular.

  • What are the most reliable airlines from Texas to Washington, D.C. Dulles Intl Airport?

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Texas, check out the most reliable airlines to get you to your destination on time: Mesa Airlines (100%), Iberia (83%), United Airlines( 81%).

  • What are the cheapest flights from Texas to Washington, D.C. Dulles Intl Airport?

    Looking at all options, your cheapest flight can be booked for $94. While the most popular route (Dallas/Fort Worth - Washington, D.C. Dulles Intl) can be booked for $164 on average, our data indicates $1,549 when flying from Texas to Washington, D.C. Dulles Intl Airport.

  • Can I find deals for flights from Texas to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Texas to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Texas to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Texas to Dulles Intl.

  • Can I find deals for business class flights from Texas to Dulles Intl?

    Yes. Cheapflights offers flight deals from Texas to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Texas to Washington, D.C. Dulles Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Texas to Washington, D.C. Dulles Intl Airport (average of $283). Flying from Texas to Washington, D.C. Dulles Intl Airport in March is currently the most expensive (average of $461). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Tysons
Arlington
Owings Mills
Springfield
Lanham
Reston
Herndon
Rockville
Chantilly
Hyattsville
Fredericksburg
Falls Church
Hanover
Manassas
Laurel
Sterling
Clinton
Hunt Valley
Cordova

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Texas to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Baltimore flights
Los Angeles to Reagan-National flights
Boston to Reagan-National flights
Los Angeles to Baltimore flights
O'Hare Intl to Baltimore flights
Hobby to Baltimore flights
Dallas/Fort Worth to Reagan-National flights
Los Angeles to Dulles Intl flights
Boston to Baltimore flights
San Francisco to Dulles Intl flights
O'Hare Intl to Reagan-National flights
Atlanta to Baltimore flights
Seattle to Reagan-National flights
Atlanta to Dulles Intl flights
San Francisco to Reagan-National flights
O'Hare Intl to Dulles Intl flights
Seattle to Dulles Intl flights
Tampa to Dulles Intl flights
Orlando to Dulles Intl flights
Atlanta to Reagan-National flights
Boston to Dulles Intl flights
Tampa to Baltimore flights
Fort Lauderdale to Baltimore flights
Hobby to Reagan-National flights
San Francisco to Baltimore flights
Minneapolis to Reagan-National flights
Denver to Dulles Intl flights
Orlando to Reagan-National flights
Tampa to Reagan-National flights
George Bush Intcntl to Baltimore flights
Hobby to Dulles Intl flights
Minneapolis to Baltimore flights
Denver to Baltimore flights
Orlando to Baltimore flights
Miami to Reagan-National flights
Minneapolis to Dulles Intl flights
Detroit to Baltimore flights
Ontario to Dulles Intl flights
Charlotte to Baltimore flights
Miami to Dulles Intl flights
Fort Lauderdale to Dulles Intl flights
Seattle to Baltimore flights
George Bush Intcntl to Reagan-National flights
John F Kennedy Intl to Dulles Intl flights
Austin to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
Ontario to Baltimore flights
Miami to Baltimore flights
Ontario to Reagan-National flights

Top 5 airlines flying from Texas to Dulles Intl

Discover the top 5 airlines that operate flights from Texas to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$75Average$290FlexibilityNo cancel feeOn-time62%
DeltaCheapest$108Average$454FlexibilityNo cancel feeOn-timeN/A
Allegiant AirCheapest$121Average$281FlexibilityNo cancel feeOn-time88%
American AirlinesCheapest$161Average$518FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$195Average$489FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.