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Dulles Intl

$77+ Cheap flights from Dallas 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 12/24. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — IAD
déc. 25 — janv. 11
jeu. 12/25
jeu. 1/1
1 adult, Economy
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Cheapflights Tip: The best prices from Dallas 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

Find flight deals from Dallas to Dulles Intl

Cheapest flights from Dallas to Dulles Intl
Explore the most affordable flight options available from Dallas to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 25, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
mer. 12/176:05 amDFW - IAD
1 stop7h 24mFrontier
mer. 12/317:01 pmIAD - DFW
1 stop14h 21mFrontier
Deal found 11/24$128
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
jeu. 12/117:14 pmDFW - IAD
1 stop18h 51mFrontier
lun. 12/156:58 pmIAD - DFW
1 stop28h 56mFrontier
Deal found 11/24$131
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
mer. 12/2410:42 amDFW - IAD
1 stop6h 05mFrontier
mer. 12/317:01 pmIAD - DFW
1 stop14h 21mFrontier
Deal found 11/25$136
This Kiwi.com deal was found by Cheapflights users on 11/25. 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.
mer. 12/2410:42 amDFW - IAD
1 stop6h 05mMultiple Airlines
mer. 12/316:05 amIAD - DFW
1 stop13h 42mMultiple Airlines
Deal found 11/25$149
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
sam. 12/611:41 amDFW - IAD
1 stop7h 43mMultiple Airlines
mer. 12/179:00 amIAD - DFW
1 stop10h 47mMultiple Airlines
Deal found 11/24$152
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
jeu. 12/117:14 pmDFW - IAD
1 stop18h 51mFrontier
mar. 12/169:00 amIAD - DFW
1 stop14h 54mFrontier
Deal found 11/24$154
This Trip.com deal was found by Cheapflights users on 11/23. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/176:05 amDFW - IAD
1 stop7h 24mFrontier
mar. 12/305:37 pmIAD - DFW
1 stop6h 22mFrontier
Deal found 11/23$156
This Kiwi.com deal was found by Cheapflights users on 11/24. 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. 12/166:05 amDFW - IAD
1 stop7h 24mFrontier
mar. 12/239:58 pmIAD - DFW
1 stop10h 58mFrontier
Deal found 11/24$162
This FlightHub deal was found by Cheapflights users on 11/24. 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.
sam. 12/208:55 pmDFW - IAD
1 stop17h 58mFrontier
mar. 12/239:58 pmIAD - DFW
1 stop16h 56mFrontier
Deal found 11/24$163
This Frontier deal was found by Cheapflights users on 11/25. 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.
mar. 12/236:00 amDFW - IAD
1 stop9h 37mFrontier
mer. 12/316:05 amIAD - DFW
1 stop10h 39mFrontier
Deal found 11/25$164
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
lun. 12/1512:20 pmDFW - IAD
1 stop9h 45mMultiple Airlines
mar. 12/169:00 amIAD - DFW
1 stop14h 54mMultiple Airlines
Deal found 11/24$165
This Kiwi.com deal was found by Cheapflights users on 11/24. 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.
mer. 12/106:05 amDFW - IAD
1 stop7h 24mFrontier
lun. 12/156:58 pmIAD - DFW
1 stop28h 56mFrontier
Deal found 11/24$166

Cheap flight deals from Dallas to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) 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 novembre 25, 2025.

Round-trip from

$126
(Kiwi.com)

One-way from

$77
(WAYA)

Popular in

November

Cheapest in

August

Average price

$369
From Dallas to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Dallas to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Dallas 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 novembre 25, 2025.
Use the filters below to find and compare flights from Dallas to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Dallas

Fly to

Dulles Intl

Route

Depart

Return

Price

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

ven. 1/9

6:06 am-4:46 pm

1 stop9h 40m

Washington, D.C. Dulles Intl

lun. 1/12

4:22 pm-10:59 pm

1 stop7h 37m

$127

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

sam. 1/10

3:09 pm-7:40 am

1 stop15h 31m

Washington, D.C. Dulles Intl

mar. 1/13

6:00 am-5:00 pm

1 stop12h 00m

$144

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mar. 12/23

6:00 am-11:38 am

1 stop28h 38m

Washington, D.C. Dulles Intl

mar. 12/30

6:34 am-9:30 am

1 stop27h 56m

$164

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mer. 12/24

9:09 pm-11:38 am

2 stops13h 29m

Washington, D.C. Dulles Intl

mer. 12/31

7:01 pm-8:22 am

1 stop14h 21m

$184

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

sam. 1/10

3:09 pm-7:40 am

1 stop15h 31m

Washington, D.C. Dulles Intl

lun. 1/12

4:22 pm-10:59 pm

1 stop7h 37m

$190

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

ven. 1/9

12:45 pm-4:31 pm

Nonstop2h 46m

Washington, D.C. Dulles Intl

lun. 1/12

5:26 pm-8:15 pm

Nonstop3h 49m

$198

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mer. 12/24

3:59 pm-11:49 pm

1 stop6h 50m

Washington, D.C. Dulles Intl

mer. 12/31

5:40 pm-8:27 pm

Nonstop3h 47m

$207

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

lun. 1/19

7:00 am-2:15 pm

1 stop6h 15m

Washington, D.C. Dulles Intl

sam. 1/24

11:39 am-10:53 pm

1 stop12h 14m

$216

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

ven. 12/5

6:05 am-4:24 pm

1 stop9h 19m

Washington, D.C. Dulles Intl

dim. 12/7

9:21 am-11:16 am

1 stop26h 55m

$232

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

sam. 1/17

6:10 am-2:45 pm

1 stop7h 35m

Washington, D.C. Dulles Intl

ven. 2/6

10:08 am-3:12 pm

1 stop6h 04m

$238

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/23

Showing 1-10 of 41 results
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Best time to book a flight from Dallas to Dulles Intl

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dallas to Dulles Intl. Price data was last updated on November 21, 2025.

The price you pay for your flight from Dallas to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 64 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, May is the cheapest month in which you can book a flight from Dallas to Washington, D.C. Dulles Intl Airport (average of $63). Flying from Dallas to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $237). 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 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 novembre 25, 2025.

When flying from Dallas 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 58% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Dallas to Dulles Intl. Price data was last updated on December 16, 2024.

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

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

Explore weekly flight availability from Dallas 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 novembre 25, 2025.

The most flights from A78 to IAD are scheduled on a Tuesday (17 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (1 on average).

How often are flights from Dallas to Washington, D.C. delayed?

About 18% of weekly flights between Dallas and Washington, D.C. have experienced delays in the past year, with the average delay time being 143 minutes.

What is the most punctual flight time for Dallas to Washington, D.C. flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Saturday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Dallas to Washington, D.C. flights?

Over the last year, Frontier have had the lowest number of delays on this route, with just 7% of flights being delayed.

The best insider tips for Dallas 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 to Washington, D.C. Dulles Intl Airport trip
Airports
DFW

DFW offers a DART Orange Line connecting downtown Dallas to Terminal A, making public transit a viable option for reaching the airport.

Read more about DFWby Chris Dong
IAD

The Washington Metro Silver Line reaches IAD in under 40 minutes, offering a cost-effective way to travel to the city.

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

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 novembre 25, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Dallas to Washington, D.C. Dulles Intl Airport. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
7,998 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,044 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,042 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Spirit Airlines
6.3
Okay
8,157 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Frontier
5.8
Fair
3,096 reviews
Delta
7.9
Good
7,998 reviews

Comfort

7.9

Entertainment

7.9

Boarding

8.1

Overall

7.9

Crew

8.5

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

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

    For as low as $238, Frontier can have you in Washington, D.C. Dulles Intl Airport from Dallas in 7h 35m. The distance between Dallas and Washington, D.C. Dulles Intl Airport is about 1161 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Our cheapest airline available from Dallas to Washington, D.C. Dulles Intl Airport is Spirit Airlines. Our recent data shows that you can find tickets from as low as $90 on this airline. Additional options worth looking into are Frontier and Delta, starting at $90 and $134 round-trip. Spirit Airlines is currently priced 67% below the average price you’ll pay for this route.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as $99. However, be on the lookout for offers from Delta and Southwest, as they are both options that can get you from Dallas to Washington, D.C. Dulles Intl Airport for a low price.

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

    The top 3 most reliable airlines when flying from Dallas to Washington, D.C. Dulles Intl Airport are Mesa Airlines (100%), Brussels Airlines (93%) and United Airlines (90%).

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

    Looking at all options, your cheapest flight can be booked for $49. While the most popular route (Dallas/Fort Worth - Washington, D.C. Dulles Intl) can be booked for $123 on average, our data indicates $726 when flying from Dallas to Washington, D.C. Dulles Intl Airport.

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

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

  • How can I find direct flights from Dallas 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 to Dulles Intl.

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

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

    Currently, May is the cheapest month in which you can book a flight from Dallas to Washington, D.C. Dulles Intl Airport (average of $63). Flying from Dallas to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $237). 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
Woodbridge
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Fairfax
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Falls Church
Bowie
Largo
McLean
Clinton

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Alternative routes for Dallas to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Dallas to Dulles Intl

Discover the top 5 airlines that operate flights from Dallas 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 novembre 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$90Average$164FlexibilityNo cancel feeOn-time65%
FrontierCheapest$90Average$164FlexibilityNo cancel feeOn-time62%
DeltaCheapest$134Average$307FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$149Average$296FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$195Average$352FlexibilityNo cancel feeOn-time69%

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