Dulles Intl

$67+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — IAD
May 31 — Jun 71
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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 May 1, 2026.

This Kiwi.com deal was found by Cheapflights users on 4/27. 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 5/216:10 am
IAH
-
IAD
1 stop9h 11m
Frontier
Mon 5/258:47 pm
IAD
-
IAH
1 stop11h 47m
Frontier
Deal found 4/27$124
This Kiwi.com deal was found by Cheapflights users on 4/26. 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 5/288:02 pm
IAH
-
IAD
1 stop13h 10m
Frontier
Sat 5/3011:07 am
IAD
-
IAH
1 stop12h 43m
Frontier
Deal found 4/26$126
This Kiwi.com deal was found by Cheapflights users on 4/30. 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 5/308:29 am
IAH
-
IAD
1 stop10h 21m
Frontier
Tue 6/27:37 pm
IAD
-
IAH
1 stop12h 57m
Frontier
Deal found 4/30$129
This Kiwi.com deal was found by Cheapflights users on 4/29. 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 5/188:50 pm
IAH
-
IAD
1 stop12h 22m
Frontier
Tue 5/196:37 pm
IAD
-
IAH
1 stop15h 18m
Frontier
Deal found 4/29$134
This Kiwi.com deal was found by Cheapflights users on 5/1. 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 5/238:57 pm
IAH
-
IAD
1 stop12h 15m
Frontier
Tue 5/2611:07 am
IAD
-
IAH
1 stop12h 43m
Frontier
Deal found 5/1$139
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Wed 5/275:45 am
IAH
-
IAD
1 stop10h 42m
Multiple Airlines
Thu 5/2811:07 am
IAD
-
IAH
1 stop9h 31m
Multiple Airlines
Deal found 4/29$140
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Wed 5/205:45 am
IAH
-
IAD
1 stop10h 42m
Frontier
Mon 5/257:45 am
IAD
-
IAH
1 stop16h 05m
Frontier
Deal found 4/28$141
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Tue 5/199:55 am
IAH
-
IAD
1 stop6h 57m
Frontier
Wed 5/207:40 am
IAD
-
IAH
1 stop8h 18m
Frontier
Deal found 4/28$146
This Kiwi.com deal was found by Cheapflights users on 4/27. 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.
Tue 6/96:30 am
IAH
-
IAD
1 stop8h 50m
Frontier
Wed 6/108:57 pm
IAD
-
IAH
1 stop11h 26m
Frontier
Deal found 4/27$148
This Kiwi.com deal was found by Cheapflights users on 4/28. 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.
Wed 5/205:45 am
IAH
-
IAD
1 stop10h 42m
Multiple Airlines
Mon 5/252:52 pm
IAD
-
IAH
2 stops18h 58m
Multiple Airlines
Deal found 4/28$151
This Kiwi.com deal was found by Cheapflights users on 4/30. 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.
Wed 5/275:45 am
IAH
-
IAD
1 stop10h 42m
Frontier
Sun 5/318:47 pm
IAD
-
IAH
1 stop11h 47m
Frontier
Deal found 4/30$152
This Kiwi.com deal was found by Cheapflights users on 4/29. 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.
Tue 5/198:02 pm
IAH
-
IAD
1 stop13h 10m
Frontier
Mon 5/256:22 pm
IAD
-
IAH
2 stops38h 12m
Frontier
Deal found 4/29$153

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 May 1, 2026.

Round-trip from

$124
(Kiwi.com)

One-way from

$67
(Kiwi.com)

Popular in

December

Cheapest in

October

Average price

$257

Good round-trip deal

$250 or less

Good one-way deal

$213 or less
From Texas to Washington, D.C. Dulles Intl
One-way flight from Texas to Washington, D.C. Dulles Intl
Highest demand for flights based on searches. 4% potential increase in price ($13 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in May 2026
Price to beat on a round-trip flight from Texas to Washington, D.C. Dulles Intl.
Price to beat on a one-way flight from Texas to Washington, D.C. Dulles Intl.

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 May 1, 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

Sat 5/23

6:37 pm-12:51 am

1 stop5h 14m

Washington, D.C. Dulles Intl

Wed 6/3

7:38 pm-12:26 am

1 stop5h 48m

$230

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 5/23

6:37 pm-12:51 am

1 stop5h 14m

Washington, D.C. Dulles Intl

Wed 5/27

6:08 am-11:12 am

1 stop6h 04m

$230

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Sat 5/23

6:44 pm-12:51 am

1 stop5h 07m

Washington, D.C. Dulles Intl

Wed 6/3

7:38 pm-11:56 pm

1 stop5h 18m

$230

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Wed 5/27

6:44 pm-12:51 am

1 stop5h 07m

Washington, D.C. Dulles Intl

Thu 5/28

7:38 pm-11:56 pm

1 stop5h 18m

$230

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Sat 5/23

6:44 pm-12:51 am

1 stop5h 07m

Washington, D.C. Dulles Intl

Wed 5/27

5:33 pm-11:56 pm

1 stop7h 23m

$230

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Sat 5/23

6:44 pm-12:51 am

1 stop5h 07m

Washington, D.C. Dulles Intl

Tue 6/2

7:38 pm-11:56 pm

1 stop5h 18m

$230

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Thu 5/28

5:24 pm-12:31 am

1 stop6h 07m

Washington, D.C. Dulles Intl

Thu 6/4

8:30 am-10:53 am

Nonstop3h 23m

$231

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Sat 5/23

6:44 pm-12:51 am

1 stop5h 07m

Washington, D.C. Dulles Intl

Thu 6/4

10:11 am-3:13 pm

1 stop6h 02m

$241

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Sat 5/23

6:44 pm-12:51 am

1 stop5h 07m

Washington, D.C. Dulles Intl

Sat 5/30

8:05 am-2:07 pm

1 stop7h 02m

$241

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Thu 5/28

6:44 pm-12:51 am

1 stop5h 07m

Washington, D.C. Dulles Intl

Sat 5/30

8:05 am-2:07 pm

1 stop7h 02m

$241

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/30

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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

Currently, March is the cheapest month in which you can book a flight from Texas to Washington, D.C. Dulles Intl Airport (average of $42). Flying from Texas to Washington, D.C. Dulles Intl Airport in May is currently the most expensive (average of $722). 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 May 1, 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 20% on the cost of your flight, compared to a flight in the afternoon.

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 April 25, 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. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 May 1, 2026.

The most flights from USTX to IAD are scheduled on a Friday (15 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

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

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 6h 07m. Delta provides one of the quickest options available for as low as $220. 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 Allegiant Air and Southwest, with prices starting from $75 and $80, respectively.

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

  • 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%), Brussels Airlines (94%), United Airlines( 94%).

  • 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 $99. While the most popular route (Dallas/Fort Worth - Washington, D.C. Dulles Intl) can be booked for $149 on average, our data indicates $1,042 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, March is the cheapest month in which you can book a flight from Texas to Washington, D.C. Dulles Intl Airport (average of $42). Flying from Texas to Washington, D.C. Dulles Intl Airport in May is currently the most expensive (average of $722). 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
Owings Mills
Springfield
Arlington
Silver Spring
Herndon
Rockville
Hyattsville
Manassas
Fredericksburg
Woodbridge
Hanover
Laurel
Largo
Upper Marlboro
Waldorf
Clinton
Hunt Valley
Cordova

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Alternative routes for Texas to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Texas to Dulles Intl

Discover the top 6 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 May 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$63Average$179FlexibilityNo cancel feeOn-time65%
FrontierCheapest$73Average$207FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$89Average$166FlexibilityNo cancel feeOn-time88%
DeltaCheapest$118Average$372FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$148Average$408FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$174Average$467FlexibilityNo cancel feeOn-time69%

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