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$70+ Cheap flights from Dulles Intl (IAD) to Dallas/Fort Worth (DFW)

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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DFW
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dallas/Fort Worth are usually found in August or July, booked 85 days in advance, depart on a Friday or Saturday and return on a Friday

Cheap flight deals from Dulles Intl to Dallas/Fort Worth

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Dallas/Fort Worth (DFW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 17, 2025.

Round-trip from

$122
(Priceline)

One-way from

$70
(United Airlines)

Popular in

April

Cheapest in

August

Average price

$248

Good round-trip deal

$188 or less

Good one-way deal

$99 or less
From Washington, D.C. Dulles Intl to Dallas/Fort Worth
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One-way flight from Washington, D.C. Dulles Intl to Dallas/Fort Worth
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Highest demand for flights based on searches. 14% potential increase in price ($49 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Dallas/Fort Worth.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Dallas/Fort Worth.
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Find flight deals from Dulles Intl to Dallas/Fort Worth

Cheapest flights from Dulles Intl to Dallas/Fort Worth
Explore the most affordable flight options available from Dulles Intl to Dallas/Fort Worth. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/17. 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 10/41:02 pmIAD - DFW
Nonstop3h 17mFrontier
Wed 10/812:00 pmDFW - IAD
1 stop6h 46mFrontier
Deal found 9/17$121
This Mytrip deal was found by Cheapflights users on 9/17. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2512:54 pmIAD - DFW
Nonstop3h 22mFrontier
Mon 10/271:51 pmDFW - IAD
1 stop8h 31mFrontier
Deal found 9/17$122
This Cheapflightsfares deal was found by Cheapflights users on 9/15. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2910:17 amIAD - DFW
Nonstop3h 17mFrontier
Fri 10/35:15 amDFW - IAD
Nonstop3h 02mFrontier
Deal found 9/15$123
This Frontier deal was found by Cheapflights users on 9/15. 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.
Thu 10/210:17 amIAD - DFW
Nonstop3h 17mFrontier
Sun 10/55:15 amDFW - IAD
Nonstop3h 02mFrontier
Deal found 9/15$124
This Priceline deal was found by Cheapflights users on 9/17. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1112:54 pmIAD - DFW
Nonstop3h 22mFrontier
Mon 10/135:10 amDFW - IAD
Nonstop2h 59mFrontier
Deal found 9/17$125
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/21:55 pmIAD - DFW
1 stop9h 37mFrontier
Sat 10/48:00 amDFW - IAD
Nonstop3h 02mFrontier
Deal found 9/15$127
This CheapOair deal was found by Cheapflights users on 9/15. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/271:02 pmIAD - DFW
Nonstop3h 17mFrontier
Sun 9/288:00 amDFW - IAD
1 stop12h 19mFrontier
Deal found 9/15$129
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 10/1112:54 pmIAD - DFW
Nonstop3h 22mFrontier
Wed 10/1512:00 pmDFW - IAD
1 stop6h 46mFrontier
Deal found 9/16$130
This Priceline deal was found by Cheapflights users on 9/14. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2810:17 amIAD - DFW
Nonstop3h 17mFrontier
Sun 10/55:15 amDFW - IAD
Nonstop3h 02mFrontier
Deal found 9/14$132
This Priceline deal was found by Cheapflights users on 9/15. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/21:55 pmIAD - DFW
1 stop6h 59mFrontier
Fri 10/35:15 amDFW - IAD
Nonstop3h 02mFrontier
Deal found 9/15$133

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Dallas/Fort Worth 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 September 17, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport that are best for you.

Fly from

Dulles Intl

Fly to

Dallas/Fort Worth

Route

Depart

Return

Price

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 10/22

6:01 am-1:21 pm

1 stop8h 20m

Dallas/Fort Worth

Sat 11/1

7:25 am-11:14 am

Nonstop2h 49m

$178

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 10/4

12:40 pm-2:57 pm

Nonstop3h 17m

Dallas/Fort Worth

Tue 10/7

5:25 pm-9:25 pm

Nonstop3h 00m

$184

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 10/29

12:54 pm-3:30 pm

Nonstop3h 36m

Dallas/Fort Worth

Fri 10/31

12:05 pm-8:51 pm

1 stop7h 46m

$195

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 10/22

5:20 pm-7:37 pm

Nonstop3h 17m

Dallas/Fort Worth

Thu 10/23

2:26 pm-10:06 pm

1 stop6h 40m

$202

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Tue 9/30

12:40 pm-2:56 pm

Nonstop3h 16m

Dallas/Fort Worth

Wed 10/1

11:32 am-3:35 pm

Nonstop3h 03m

$209

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Tue 10/7

5:20 pm-7:36 pm

Nonstop3h 16m

Dallas/Fort Worth

Thu 10/9

2:26 pm-10:06 pm

1 stop6h 40m

$225

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Fri 10/31

12:54 pm-3:30 pm

Nonstop3h 36m

Dallas/Fort Worth

Tue 11/4

5:35 pm-9:24 pm

Nonstop2h 49m

$236

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 10/4

9:00 am-3:02 pm

1 stop7h 02m

Dallas/Fort Worth

Wed 10/15

4:04 pm-11:18 pm

1 stop6h 14m

$237

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 10/18

6:00 am-10:18 am

1 stop5h 18m

Dallas/Fort Worth

Tue 10/21

3:15 pm-11:40 pm

1 stop7h 25m

$237

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Thu 10/30

12:54 pm-3:30 pm

Nonstop3h 36m

Dallas/Fort Worth

Sun 11/2

8:44 pm-5:16 am

1 stop7h 32m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 22 results
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The best insider tips for Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport trip
Airports
IAD

In the afternoon and evening, IAD's check-in area can be crowded, so plan extra time for security and check-in.

Read more about IADby Ramsey Qubein
DFW

For quick access to Dallas, use the DART Orange Line from Terminal A, connecting downtown Dallas to DFW Airport.

Read more about DFWby Chris Dong
Our travel experts
Chris Dong

Chris Dong

Expert on DFW

Chris Dong

Chris Dong

Chris is a consumer travel reporter covering aviation, trending travel news, hotels, and loyalty programs—all for leading global publications like Travel + Leisure, The Washington Post, AFAR, and more. In addition to writing, Chris is a video host for Travel + Leisure, giving consumers an inside look at the latest in air travel.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Dulles Intl to Dallas/Fort Worth

Have a flexible travel schedule? Discover the best time to fly to Dallas/Fort Worth from Dulles Intl 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 Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport

How far ahead should I book a flight from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport?

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Dallas/Fort Worth. Price data was last updated on September 12, 2025.

Booking 85 days in advance of your planned departure date is, on average, the best time to get cheap flights from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth 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 Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport (average of $216). Flying from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport in March is currently the most expensive (average of $295). 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 IAD to DFW?

Find hourly flight availability from Dulles Intl to Dallas/Fort Worth. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 17, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight at noon could potentially save you up to 73% on airfare.

What is the cheapest day to fly from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport?

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Dallas/Fort Worth. Price data was last updated on September 14, 2025.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport flight should consider departing on Saturday 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.

Reviews of airlines servicing Dallas/Fort Worth

Get insights into the airlines that provide service to Dallas/Fort Worth. 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 Dallas/Fort Worth. Reviews last updated September 17, 2025.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,961 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,926 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,023 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.8
Fair
3,173 reviews
Delta
8.0
Very good
7,961 reviews

Entertainment

7.9

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Dallas/Fort Worth. 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 Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport?

    A quick flight from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport can take about 8h 20m. United Airlines provides one of the quickest options available for as low as $178. The distance between Washington, D.C. Dulles Intl Airport and Dallas/Fort Worth Airport is about 1169 mi.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport round-trip?

    Our cheapest airline available from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport is Spirit Airlines. Our recent data shows that you can find tickets from as low as $62 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $93 and $159 round-trip. You may be able to fly from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport for 78% less than the average price by searching for these airlines.

  • What are the most reliable airlines from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport?

    Before booking your flight to Dallas/Fort Worth Airport from Washington, D.C. Dulles Intl Airport, check out the most reliable airlines to get you to your destination on time: Mesa Airlines (100%), Frontier (94%), GOL( 90%).

  • What are the cheapest flights from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport?

    On average you can expect to pay $874 for a flight from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport. The cheapest flight overall is $54 while the most popular route, (Washington, D.C. Dulles Intl - Dallas/Fort Worth) is currently priced at $118.

  • Can I find deals for flights from Dulles Intl to Dallas/Fort Worth that include hotel bookings?

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

  • How can I find direct flights from Dulles Intl to Dallas/Fort Worth?

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

  • Can I find deals for business class flights from Dulles Intl to Dallas/Fort Worth?

    Yes. Cheapflights offers flight deals from Dulles Intl to Dallas/Fort Worth 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 Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport (average of $216). Flying from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport in March is currently the most expensive (average of $295). 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 Dallas/Fort Worth Airport?

Book flights to Dallas/Fort Worth Airport if you plan to visit one of these locations
Fort Worth
Arlington
Allen
Frisco
Mansfield
Grapevine
Denton
Garland
Cedar Hill
Plano
Durant
McKinney
Rockwall
Richardson
Weatherford
Denison
Burleson
Carrollton
Granbury
Cleburne

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Alternative routes for Dulles Intl to Dallas/Fort Worth

See prices for flight routes from nearby airports that may be better suited for you.
Baltimore to Dallas/Fort Worth flights
Reagan-National to Dallas/Fort Worth flights
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Dulles Intl to Love Field flights
Reagan-National to Love Field flights

Top 5 airlines flying from Dulles Intl to Dallas/Fort Worth

Discover the top 5 airlines that operate flights from Dulles Intl to Dallas/Fort Worth. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$62Average$189FlexibilityNo cancel feeOn-time65%
FrontierCheapest$93Average$159FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$159Average$297FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$206Average$376FlexibilityNo cancel feeOn-time69%
DeltaCheapest$247Average$290FlexibilityNo cancel feeOn-timeN/A

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