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Dulles Intl

$70+ Cheap flights from Dallas/Fort Worth (DFW) 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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — IAD
oct. 17 — oct. 241
ven. 10/17
ven. 10/24
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas/Fort Worth to Washington, D.C. Dulles Intl are usually found in August or July, booked 64 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Dallas/Fort Worth to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dallas/Fort Worth (DFW) to Dulles Intl (IAD). 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 septembre 17, 2025.

Round-trip from

$114
(CheapOair)

One-way from

$70
(United Airlines)

Popular in

December

Cheapest in

August

Average price

$226

Good round-trip deal

$165 or less

Good one-way deal

$105 or less
From Dallas/Fort Worth to Washington, D.C. Dulles Intl
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One-way flight from Dallas/Fort Worth to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 17% potential increase in price ($57 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 Dallas/Fort Worth to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Dallas/Fort Worth to Washington, D.C. Dulles Intl.
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Find flight deals from Dallas/Fort Worth to Dulles Intl

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

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.
ven. 10/175:10 amDFW - IAD
Nonstop2h 59mFrontier
lun. 10/204:45 pmIAD - DFW
1 stop6h 54mFrontier
Deal found 9/15$114
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.
ven. 10/245:10 amDFW - IAD
Nonstop2h 59mFrontier
lun. 10/2710:33 pmIAD - DFW
1 stop13h 41mFrontier
Deal found 9/15$115
This Frontier 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 10/118:00 amDFW - IAD
Nonstop2h 59mFrontier
sam. 10/184:22 pmIAD - DFW
1 stop8h 19mFrontier
Deal found 9/16$116
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.
lun. 9/295:15 amDFW - IAD
Nonstop3h 02mFrontier
sam. 10/41:02 pmIAD - DFW
Nonstop3h 17mFrontier
Deal found 9/15$117
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.
sam. 9/278:00 amDFW - IAD
Nonstop3h 02mFrontier
sam. 9/271:02 pmIAD - DFW
Nonstop3h 17mFrontier
Deal found 9/17$118
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.
dim. 9/285:15 amDFW - IAD
Nonstop3h 02mFrontier
dim. 10/510:17 amIAD - DFW
Nonstop3h 17mFrontier
Deal found 9/15$119
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.
jeu. 10/169:06 amDFW - IAD
1 stop5h 32mFrontier
lun. 10/2010:04 amIAD - DFW
Nonstop3h 22mFrontier
Deal found 9/17$121
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.
sam. 9/2711:00 amDFW - IAD
1 stop6h 24mFrontier
sam. 10/41:02 pmIAD - DFW
Nonstop3h 17mFrontier
Deal found 9/17$122
This Cheapflightsfares 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 10/25:15 amDFW - IAD
Nonstop3h 02mFrontier
ven. 10/310:17 amIAD - DFW
Nonstop3h 17mFrontier
Deal found 9/14$123
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.
dim. 9/285:15 amDFW - IAD
Nonstop3h 02mFrontier
sam. 10/1112:54 pmIAD - DFW
Nonstop3h 22mFrontier
Deal found 9/17$126
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 10/55:15 amDFW - IAD
Nonstop3h 02mFrontier
sam. 10/114:22 pmIAD - DFW
1 stop8h 19mFrontier
Deal found 9/14$127
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.
jeu. 9/255:45 pmDFW - IAD
1 stop5h 30mFrontier
sam. 9/271:02 pmIAD - DFW
Nonstop3h 17mFrontier
Deal found 9/15$128

Cheapflights Fare Finder

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

Fly from

Dallas/Fort Worth

Fly to

Dulles Intl

Route

Depart

Return

Price

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mar. 12/9

7:25 am-11:14 am

Nonstop2h 49m

Washington, D.C. Dulles Intl

mer. 1/7

12:50 pm-8:03 pm

1 stop8h 13m

$174

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mer. 10/29

7:40 am-4:25 pm

1 stop7h 45m

Washington, D.C. Dulles Intl

mar. 11/4

5:39 pm-8:15 pm

Nonstop3h 36m

$178

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

jeu. 12/11

7:25 am-11:14 am

Nonstop2h 49m

Washington, D.C. Dulles Intl

dim. 12/14

8:20 am-10:56 am

Nonstop3h 36m

$197

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

ven. 11/14

8:00 am-4:25 pm

1 stop7h 25m

Washington, D.C. Dulles Intl

sam. 11/15

8:30 am-11:06 am

Nonstop3h 36m

$205

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

ven. 12/12

7:25 am-11:14 am

Nonstop2h 49m

Washington, D.C. Dulles Intl

mar. 12/16

6:30 am-12:09 pm

1 stop6h 39m

$207

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mer. 10/22

11:32 am-3:35 pm

Nonstop3h 03m

Washington, D.C. Dulles Intl

sam. 10/25

5:20 pm-7:36 pm

Nonstop3h 16m

$219

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mar. 10/28

11:28 am-4:57 pm

1 stop4h 29m

Washington, D.C. Dulles Intl

mer. 10/29

10:11 am-2:59 pm

1 stop5h 48m

$237

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mer. 10/29

11:28 am-4:57 pm

1 stop4h 29m

Washington, D.C. Dulles Intl

mar. 11/4

5:10 pm-9:48 pm

1 stop5h 38m

$237

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mer. 10/1

7:15 am-2:33 pm

1 stop6h 18m

Washington, D.C. Dulles Intl

mar. 10/7

12:27 pm-4:46 pm

1 stop5h 19m

$237

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

sam. 11/8

4:04 pm-11:20 pm

1 stop6h 16m

Washington, D.C. Dulles Intl

dim. 11/9

6:00 am-10:26 am

1 stop5h 26m

$237

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/15

Showing 1-10 of 24 results
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The best insider tips for Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl 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 Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport trip
Airports
DFW

For a quick departure, use the Skylink Train to efficiently move between terminals at DFW. Trains run every two minutes.

Read more about DFWby Chris Dong
IAD

Use the Washington Metro Silver Line for a cost-effective ride to D.C. from IAD, taking less than 40 minutes.

Read more about IADby Ramsey Qubein
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 Dallas/Fort Worth to Dulles Intl

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

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

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

Booking 64 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas/Fort Worth Airport 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 Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Dallas/Fort Worth Airport 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 DFW to IAD?

Find hourly flight availability from Dallas/Fort Worth 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 septembre 17, 2025.

When flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 60% versus a flight at noon.

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

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

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

How much does it cost to fly round-trip from Dallas/Fort Worth Airport 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 septembre 17, 2025.
Read through reviews of airlines operating flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl 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

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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

Food

7.3

Comfort

7.9

Overall

8.0

Boarding

8.2

Crew

8.5

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 Dallas/Fort Worth 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 Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?

    Departing from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport will take you 2h 49m. The distance from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport is about 1169 mi. Generally, flights for this route are nonstop.

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

    According to our current data, Frontier ($88), Spirit Airlines ($107), and American Airlines ($149) offers the cheapest pricing from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport. Frontier is currently priced 68% below the average price you’ll pay for this route.

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

    The top 3 most reliable airlines when flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport are Frontier (100%), GOL (100%) and Iberia (87%).

  • What are the cheapest flights from Dallas/Fort Worth Airport 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 $128 on average, our data indicates $683 when flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport (average of $292). Flying from Dallas/Fort Worth Airport 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
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
National Harbor
Dundalk

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Dallas/Fort Worth to Dulles Intl

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

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

Discover the top 5 airlines that operate flights from Dallas/Fort Worth 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 septembre 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$88Average$155FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$107Average$224FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$149Average$292FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$197Average$365FlexibilityNo cancel feeOn-time69%
DeltaCheapest$236Average$294FlexibilityNo cancel feeOn-timeN/A

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