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Dulles Intl

$73+ 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 12/7. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — IAD
Dec 10 — Dec 171
Wed 12/10
Wed 12/17
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 November 10, 2025.

This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Mon 12/89:10 amDFW - IAD
1 stop7h 15mFrontier
Tue 12/99:00 amIAD - DFW
1 stop14h 54mFrontier
Deal found 11/9$129
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Thu 12/49:10 amDFW - IAD
1 stop8h 08mMultiple Airlines
Mon 12/86:58 pmIAD - DFW
1 stop24h 49mMultiple Airlines
Deal found 11/9$130
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Wed 12/36:05 amDFW - IAD
1 stop7h 24mMultiple Airlines
Tue 12/99:00 amIAD - DFW
1 stop10h 47mMultiple Airlines
Deal found 11/9$132
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Thu 12/49:10 amDFW - IAD
1 stop8h 08mMultiple Airlines
Tue 12/99:00 amIAD - DFW
1 stop10h 47mMultiple Airlines
Deal found 11/9$135
This Frontier deal was found by Cheapflights users on 11/10. 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.
Wed 12/176:05 amDFW - IAD
1 stop7h 24mFrontier
Sun 1/1110:49 amIAD - DFW
Nonstop3h 40mFrontier
Deal found 11/10$136
This CheapOair deal was found by Cheapflights users on 11/9. 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 11/206:00 amDFW - IAD
1 stop10h 46mFrontier
Mon 11/2411:20 amIAD - DFW
Nonstop3h 38mFrontier
Deal found 11/9$138
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Fri 11/286:40 amDFW - IAD
Nonstop2h 55mFrontier
Tue 12/29:00 amIAD - DFW
1 stop25h 14mFrontier
Deal found 11/9$142
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Wed 12/36:05 amDFW - IAD
1 stop7h 24mMultiple Airlines
Wed 12/109:00 amIAD - DFW
1 stop10h 47mMultiple Airlines
Deal found 11/9$144
This eDestinos deal was found by Cheapflights users on 11/9. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:15 amDFW - IAD
1 stop9h 09mFrontier
Tue 12/99:00 amIAD - DFW
1 stop14h 54mFrontier
Deal found 11/9$148
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Sun 12/79:10 amDFW - IAD
1 stop6h 14mMultiple Airlines
Tue 12/99:00 amIAD - DFW
1 stop10h 47mMultiple Airlines
Deal found 11/9$149
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Thu 11/274:27 pmDFW - IAD
1 stop6h 32mFrontier
Tue 12/29:00 amIAD - DFW
1 stop25h 14mFrontier
Deal found 11/9$152
This Kiwi.com deal was found by Cheapflights users on 11/9. 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.
Mon 12/89:10 amDFW - IAD
1 stop7h 15mFrontier
Mon 12/155:45 amIAD - DFW
2 stops15h 15mFrontier
Deal found 11/9$155

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 November 10, 2025.

Round-trip from

$129
(Kiwi.com)

One-way from

$73
(Kiwi.com)

Popular in

November

Cheapest in

August

Average price

$377
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 ($46 potential increase over avg. RT price).
Search Deals
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 November 10, 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

Wed 12/10

7:25 am-11:14 am

Nonstop2h 49m

Washington, D.C. Dulles Intl

Sat 12/13

12:52 pm-3:27 pm

Nonstop3h 35m

$197

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Tue 12/16

7:25 am-11:14 am

Nonstop2h 49m

Washington, D.C. Dulles Intl

Wed 12/24

5:40 pm-8:27 pm

Nonstop3h 47m

$197

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Mon 12/8

6:21 pm-12:12 am

1 stop4h 51m

Washington, D.C. Dulles Intl

Mon 12/15

5:03 pm-9:57 pm

1 stop5h 54m

$217

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Mon 12/8

6:37 pm-12:12 am

1 stop4h 35m

Washington, D.C. Dulles Intl

Mon 12/15

7:35 pm-11:56 pm

1 stop5h 21m

$217

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Tue 12/16

12:25 pm-10:00 pm

1 stop8h 35m

Washington, D.C. Dulles Intl

Wed 12/17

7:40 am-3:05 pm

1 stop8h 25m

$267

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Fri 12/5

10:52 am-6:12 pm

1 stop6h 20m

Washington, D.C. Dulles Intl

Mon 12/8

5:59 pm-12:26 am

1 stop7h 27m

$267

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Thu 11/27

7:01 am-2:39 pm

1 stop6h 38m

Washington, D.C. Dulles Intl

Sat 12/6

9:00 am-3:18 pm

1 stop7h 18m

$267

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Thu 12/11

7:25 am-11:14 am

Nonstop2h 49m

Washington, D.C. Dulles Intl

Tue 12/16

8:30 am-1:25 pm

1 stop5h 55m

$269

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Thu 12/11

7:25 am-11:14 am

Nonstop2h 49m

Washington, D.C. Dulles Intl

Sun 12/14

5:36 pm-8:13 pm

Nonstop3h 37m

$277

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Thu 12/25

6:05 am-12:13 pm

1 stop5h 08m

Washington, D.C. Dulles Intl

Tue 12/30

6:00 am-11:24 am

1 stop6h 24m

$279

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/8

Showing 1-10 of 40 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 7, 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 November 10, 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. Tuesday at noon 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 November 10, 2025.

The most flights from A78 to IAD are scheduled on a Sunday (16 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (4 on average).

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 November 10, 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
8,007 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

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
8,007 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

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
9,012 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

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
11,045 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

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
8,136 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

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
3,113 reviews
Delta
7.9
Good
8,007 reviews

Crew

8.5

Overall

7.9

Entertainment

7.9

Comfort

7.9

Boarding

8.1

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 $197, United Airlines can have you in Washington, D.C. Dulles Intl Airport from Dallas in 2h 49m. The distance between Dallas and Washington, D.C. Dulles Intl Airport is about 1169 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%), United Airlines (92%) and Brussels 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 $78. While the most popular route (Dallas/Fort Worth - Washington, D.C. Dulles Intl) can be booked for $110 on average, our data indicates $931 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
Fairfax
Fredericksburg
Falls Church
Linthicum Heights
Manassas
Laurel
Towson
National Harbor
Waldorf
Bowie
Largo
McLean

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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 November 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$90Average$164FlexibilityNo cancel feeOn-time65%
FrontierCheapest$90Average$163FlexibilityNo cancel feeOn-time62%
DeltaCheapest$134Average$307FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$149Average$295FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$196Average$356FlexibilityNo cancel feeOn-time69%

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