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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
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 June or July, booked 66 days in advance, depart on a Friday or Thursday 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 August 1, 2025.

Round-trip from

$123
(Frontier)

One-way from

$70
(American Airlines)

Popular in

April

Cheapest in

June

Average price

$257

Good round-trip deal

$167 or less

Good one-way deal

$109 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. 9% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 1, 2025.

This Frontier deal was found by Cheapflights users on 7/31. 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.
Sat 9/201:02 pmIAD - DFW
Nonstop3h 17mFrontier
Mon 9/225:15 amDFW - IAD
Nonstop3h 02mFrontier
Deal found 7/31$123
This American Airlines deal was found by Cheapflights users on 7/31. 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.
Wed 9/36:25 amIAD - DFW
Nonstop3h 18mAmerican Airlines
Wed 9/312:38 pmDFW - IAD
Nonstop3h 12mAmerican Airlines
Deal found 7/31$134
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2712:50 pmIAD - DFW
Nonstop3h 16mUnited Airlines
Wed 9/35:20 pmDFW - IAD
Nonstop3h 02mUnited Airlines
Deal found 7/30$154

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 August 1, 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

Sat 9/20

1:02 pm-3:19 pm

Nonstop3h 17m

Dallas/Fort Worth

Mon 9/22

5:15 am-9:17 am

Nonstop3h 02m

$123

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 9/3

6:25 am-8:43 am

Nonstop3h 18m

Dallas/Fort Worth

Wed 9/3

12:38 pm-4:50 pm

Nonstop3h 12m

$134

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 8/27

12:50 pm-3:06 pm

Nonstop3h 16m

Dallas/Fort Worth

Wed 9/3

5:20 pm-9:22 pm

Nonstop3h 02m

$154

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Tue 11/18

6:04 am-8:42 am

Nonstop3h 38m

$70

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Fri 8/29

10:22 am-12:39 pm

Nonstop3h 17m

$72

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 8/27

12:50 pm-3:06 pm

Nonstop3h 16m

$85

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Tue 11/18

7:00 am-12:25 pm

1 stop6h 25m

$119

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Fri 9/5

4:43 pm-9:41 am

2 stops17h 58m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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 July 25, 2025.

Booking 66 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 August 1, 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 72% 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 July 27, 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.

Weekly flight availability from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport

Explore weekly flight availability from Dulles Intl to Dallas/Fort Worth. 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 August 1, 2025.

The most flights from IAD to DFW are scheduled on a Thursday (17 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 on average).

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 August 1, 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
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

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
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

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
8,900 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

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
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

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
5.9
Fair
3,239 reviews
Delta
8.0
Very good
7,981 reviews

Comfort

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Entertainment

7.9

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.

  • 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 Frontier. Our recent data shows that you can find tickets from as low as $123 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $134 and $154 round-trip. You may be able to fly from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport for 59% less than the average price by searching for these airlines.

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

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $70. Users have also found prices from $72 and $85 on Frontier and United Airlines, respectively.

  • 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%), Royal Air Maroc (88%), United Airlines( 80%).

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

    On average you can expect to pay $1,463 for a flight from Washington, D.C. Dulles Intl Airport to Dallas/Fort Worth Airport. The cheapest flight overall is $58 while the most popular route, (Washington, D.C. Dulles Intl - Dallas/Fort Worth) is currently priced at $79.

  • 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
Richardson
Plano
Denton
Allen
Frisco
Mansfield
Grapevine
Cedar Hill
Garland
Durant
Saginaw
Rockwall
McKinney
Weatherford
Denison
Burleson
Granbury
Carrollton

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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.
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Dulles Intl to Love Field flights
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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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$145FlexibilityNo cancel feeOn-time65%
FrontierCheapest$94Average$160FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$165Average$305FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$204Average$376FlexibilityNo cancel feeOn-time69%
DeltaCheapest$246Average$288FlexibilityNo cancel feeOn-timeN/A

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