Dulles Intl

$69+ 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 10/4. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — IAD
ago. 4 — ago. 111
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Cheap 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 julio 30, 2025.

Round-trip from

$134
(United Airlines)

One-way from

$69
(American Airlines)

Popular in

March

Cheapest in

October

Average price

$269

Good round-trip deal

$155 or less

Good one-way deal

$93 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. 5% potential increase in price ($15 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($6 potential savings vs. average RT price).
Average for round-trip flights in July 2025
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.

Find 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 julio 30, 2025.

This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/2312:10 pmDFW - IAD
Nonstop3h 02mUnited Airlines
mar. 9/235:20 pmIAD - DFW
Nonstop3h 16mUnited Airlines
Deal found 7/29$134
This Frontier deal was found by Cheapflights users on 7/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/97:25 amDFW - IAD
Nonstop3h 02mFrontier
sáb. 8/1612:27 pmIAD - DFW
Nonstop3h 17mFrontier
Deal found 7/28$137
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/137:00 amDFW - IAD
Nonstop2h 57mAmerican Airlines
sáb. 9/206:25 amIAD - DFW
Nonstop3h 19mAmerican Airlines
Deal found 7/30$139
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
mar. 8/54:40 pmIAH - IAD
1 stop6h 39mFrontier
mié. 8/66:10 amIAD - IAH
1 stop8h 15mFrontier
Deal found 7/28$196
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/2610:20 amAUS - IAD
Nonstop3h 16mUnited Airlines
mar. 9/28:30 amIAD - AUS
Nonstop3h 30mUnited Airlines
Deal found 7/29$197
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/42:52 pmIAH - IAD
1 stop16h 54mAmerican Airlines
dom. 10/511:47 amIAD - IAH
1 stop7h 51mAmerican Airlines
Deal found 7/30$215
This American Airlines deal was found by Cheapflights users on 7/30. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/135:00 amAUS - IAD
1 stop4h 57mAmerican Airlines
mar. 9/166:25 amIAD - AUS
1 stop6h 13mAmerican Airlines
Deal found 7/30$217
This Frontier deal was found by Cheapflights users on 7/28. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/93:15 pmAUS - IAD
1 stop14h 19mFrontier
sáb. 8/166:10 amIAD - AUS
1 stop11h 36mFrontier
Deal found 7/28$218
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/307:00 amSAT - IAD
Nonstop3h 19mUnited Airlines
lun. 9/15:55 pmIAD - SAT
Nonstop3h 38mUnited Airlines
Deal found 7/29$219
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/93:06 pmSAT - IAD
1 stop14h 28mFrontier
mié. 8/137:30 amIAD - SAT
1 stop30h 36mFrontier
Deal found 7/29$225
This Southwest deal was found by Cheapflights users on 7/30. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/303:30 pmDAL - IAD
1 stop6h 20mSouthwest
jue. 9/47:35 amIAD - DAL
1 stop6h 55mSouthwest
Deal found 7/30$232
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 8/215:35 amAUS - IAD
1 stop5h 09mDelta
sáb. 8/236:15 pmIAD - AUS
1 stop5h 59mDelta
Deal found 7/29$237

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 julio 30, 2025.
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

Texas

Fly to

Dulles Intl

Route

Depart

Return

Price

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mar. 9/23

12:10 pm-4:12 pm

Nonstop3h 02m

Washington, D.C. Dulles Intl

mar. 9/23

5:20 pm-7:36 pm

Nonstop3h 16m

$134

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

sáb. 8/9

7:25 am-11:27 am

Nonstop3h 02m

Washington, D.C. Dulles Intl

sáb. 8/16

12:27 pm-2:44 pm

Nonstop3h 17m

$137

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

sáb. 9/13

7:00 am-10:57 am

Nonstop2h 57m

Washington, D.C. Dulles Intl

sáb. 9/20

6:25 am-8:44 am

Nonstop3h 19m

$139

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

jue. 8/21

5:51 pm-12:16 am

1 stop5h 25m

Washington, D.C. Dulles Intl

dom. 8/24

5:18 pm-10:39 pm

1 stop6h 21m

$196

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

mar. 8/26

10:20 am-2:36 pm

Nonstop3h 16m

Washington, D.C. Dulles Intl

mar. 9/2

8:30 am-11:00 am

Nonstop3h 30m

$197

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

sáb. 10/4

2:52 pm-8:46 am

1 stop16h 54m

Washington, D.C. Dulles Intl

dom. 10/5

11:47 am-6:38 pm

1 stop7h 51m

$215

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

sáb. 9/13

5:00 am-10:57 am

1 stop4h 57m

Washington, D.C. Dulles Intl

mar. 9/16

6:25 am-11:38 am

1 stop6h 13m

$217

AustinWashington, D.C.

AUS - IAD

AUSIAD

Austin Bergstrom

sáb. 8/9

3:15 pm-6:34 am

1 stop14h 19m

Washington, D.C. Dulles Intl

sáb. 8/16

6:10 am-4:46 pm

1 stop11h 36m

$218

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

sáb. 8/30

7:00 am-11:19 am

Nonstop3h 19m

Washington, D.C. Dulles Intl

lun. 9/1

5:55 pm-8:33 pm

Nonstop3h 38m

$219

San AntonioWashington, D.C.

SAT - IAD

SATIAD

San Antonio

sáb. 8/9

3:06 pm-6:34 am

1 stop14h 28m

Washington, D.C. Dulles Intl

mié. 8/13

7:30 am-1:06 pm

1 stop30h 36m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 60 results
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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

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

Currently, July is the cheapest month in which you can book a flight from Texas to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Texas to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 julio 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Texas to Washington, D.C. Dulles Intl Airport as you normally would.

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 julio 30, 2025.

The most flights from USTX to IAD are scheduled on a Tuesday (14 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 on average).

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

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated julio 30, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Southwest, and Delta from Texas to Washington, D.C. Dulles Intl Airport to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
8.0
Very good

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Boarding

8.1

Crew

8.5

Comfort

7.8

Overall

8.0

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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

    $69 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on United Airlines and Frontier, with prices starting from $70 and $88, 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 (94%), GOL (86%), Brussels Airlines( 85%).

  • 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 $52. While the most popular route (Dallas/Fort Worth - Washington, D.C. Dulles Intl) can be booked for $134 on average our data indicates $1,600 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, July is the cheapest month in which you can book a flight from Texas to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Texas to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Bowie

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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 7 airlines flying from Texas to Dulles Intl

Discover the top 7 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 julio 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$54Average$233FlexibilityNo cancel feeOn-time65%
FrontierCheapest$85Average$236FlexibilityNo cancel feeOn-time62%
Allegiant AirCheapest$100Average$184FlexibilityNo cancel feeOn-time88%
DeltaCheapest$134Average$358FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$158Average$376FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$195Average$442FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$204Average$470FlexibilityNo cancel feeOn-time63%

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