Dallas

$77+ Cheap flights from Dulles Intl (IAD) to Dallas

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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DFW
Apr 29 — May 61
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dallas are usually found in October or August, booked 90 days in advance, depart on a Friday or Wednesday and return on a Friday

Cheap flight deals from Dulles Intl to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Dallas (A78). 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 April 24, 2025.

Round-trip from

$165
(Frontier)

One-way from

$78
(Cheapflightsfares)

Popular in

April

Cheapest in

October

Average price

$396
From Washington, D.C. Dulles Intl to Dallas
One-way flight from Washington, D.C. Dulles Intl to Dallas
Highest demand for flights based on searches. 7% potential increase in price ($27 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
Average for round-trip flights in April 2025

Find flight deals from Dulles Intl to Dallas

Cheapest flights from Dulles Intl to Dallas
Explore the most affordable flight options available from Dulles Intl to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 24, 2025.

This Frontier deal was found by Cheapflights users on 4/23. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/244:49 pmIAD - DFW
1 stop6h 04mFrontier
Tue 5/278:00 amDFW - IAD
Nonstop3h 02mFrontier
Deal found 4/23$165
This American Airlines deal was found by Cheapflights users on 4/23. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/316:17 amIAD - DFW
Nonstop3h 31mAmerican Airlines
Sat 5/3112:23 pmDFW - IAD
Nonstop2h 54mAmerican Airlines
Deal found 4/23$186
This United Airlines deal was found by Cheapflights users on 4/23. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/288:15 amIAD - DFW
Nonstop3h 16mUnited Airlines
Wed 6/47:30 amDFW - IAD
Nonstop3h 02mUnited Airlines
Deal found 4/23$190
This Southwest deal was found by Cheapflights users on 4/23. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/315:05 amIAD - DAL
1 stop6h 50mSouthwest
Fri 6/63:50 pmDAL - IAD
1 stop6h 40mSouthwest
Deal found 4/23$233
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/246:00 pmIAD - DAL
1 stop6h 53mDelta
Sat 5/313:59 pmDAL - IAD
1 stop4h 35mDelta
Deal found 4/23$237
This Delta deal was found by Cheapflights users on 4/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/305:24 pmIAD - DFW
1 stop5h 41mDelta
Tue 6/39:47 amDFW - IAD
1 stop5h 58mDelta
Deal found 4/23$237
This CheapOair deal was found by Cheapflights users on 4/23. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2212:49 pmIAD - DFW
1 stop21h 02mMultiple Airlines
Mon 5/266:05 amDFW - IAD
Nonstop3h 02mMultiple Airlines
Deal found 4/23$299
This Sun Country Air deal was found by Cheapflights users on 4/23. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2012:16 pmIAD - DFW
1 stop22h 49mSun Country Air
Sun 6/225:35 pmDFW - IAD
1 stop17h 44mSun Country Air
Deal found 4/23$335

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Dallas 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 April 24, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Dallas that are best for you.

Fly from

Dulles Intl

Fly to

Dallas

Route

Depart

Return

Price

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 5/31

2:02 pm-4:30 pm

Nonstop3h 28m

Dallas/Fort Worth

Wed 6/4

11:22 am-12:49 pm

1 stop24h 27m

$165

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 8/23

7:07 am-9:20 am

Nonstop3h 13m

Dallas/Fort Worth

Sat 8/23

12:19 pm-4:26 pm

Nonstop3h 07m

$176

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 5/24

12:49 pm-3:05 pm

Nonstop3h 16m

Dallas/Fort Worth

Fri 5/30

5:25 pm-11:58 pm

1 stop5h 33m

$194

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Sat 5/31

5:05 am-10:55 am

1 stop6h 50m

Dallas Love Field

Fri 6/6

3:50 pm-11:30 pm

1 stop6h 40m

$233

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Tue 8/12

12:35 pm-5:49 pm

1 stop6h 14m

Dallas Love Field

Tue 8/19

6:00 am-12:00 pm

1 stop5h 00m

$237

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Fri 5/30

5:24 pm-10:05 pm

1 stop5h 41m

Dallas/Fort Worth

Tue 6/3

4:09 pm-11:35 pm

1 stop6h 26m

$237

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Thu 5/29

5:15 am-6:48 pm

1 stop14h 33m

Dallas/Fort Worth

Mon 6/2

10:57 pm-11:59 pm

2 stops24h 02m

$286

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Thu 5/22

12:49 pm-8:51 am

1 stop21h 02m

Dallas/Fort Worth

Thu 5/29

6:00 pm-11:53 am

1 stop16h 53m

$315

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Thu 5/22

10:52 am-1:20 pm

Nonstop3h 28m

$77

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Tue 7/1

8:45 am-11:02 am

Nonstop3h 17m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 18 results
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The best insider tips for Washington, D.C. Dulles Intl Airport to Dallas 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 trip
Airports
IAD

For quicker check-in at IAD, locate your airline’s counter by walking around the first row if not visible initially.

Read more about IADby Ramsey Qubein
DFW

Upon arrival at DFW, use the DART Orange Line for a convenient train ride to downtown Dallas from Terminal A.

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

Have a flexible travel schedule? Discover the best time to fly to Dallas 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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Dallas. Price data was last updated on April 18, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Dallas, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dallas (average of $216). Flying from Washington, D.C. Dulles Intl Airport to Dallas 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. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 24, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Dallas is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 10% on airfare.

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

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

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Dallas flight should consider departing on Thursday evenings when fares are most often at their lowest. Tuesday evenings 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

Explore weekly flight availability from Dulles Intl to Dallas. 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 April 24, 2025.

The most flights from IAD to A78 are scheduled on a Wednesday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Dallas by month

Plan your trip to Dallas by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dallas ranges from 1.9 - 4.9 inches per month. May is typically the wettest month, when rainfall can reach 4.9 in. August is typically the driest time to visit Dallas when rainfall is around 1.9 in.

Temperature in Dallas by month

Plan your trip to Dallas by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dallas, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. 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. Reviews last updated April 24, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest and Delta from Washington, D.C. to Dallas by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
8.0
Very good

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Food

7.1

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.1

Overall

8.0

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Dallas. 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 round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Dallas round-trip from $165. Other airlines that can offer you cheap pricing are American Airlines, from $186, and United Airlines, from $190. These flights start at 52% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $78. United Airlines flights start at $90 while deals on Southwest start at $100 one-way.

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

    Consider Iberia (100%), United Airlines (84%) or Royal Air Maroc (83%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Dallas.

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

    On average you can expect to pay $642 for a flight from Washington, D.C. Dulles Intl Airport to Dallas. The cheapest flight overall is $80 while the most popular route, (Washington, D.C. Dulles Intl - Dallas/Fort Worth) is currently priced at $102.

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

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

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

    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.

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Dallas 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?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dallas (average of $216). Flying from Washington, D.C. Dulles Intl Airport to Dallas 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

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Alternative routes for Dulles Intl to Dallas

See prices for flight routes from nearby airports that may be better suited for you.

Top 6 airlines flying from Dulles Intl to Dallas

Discover the top 6 airlines that operate flights from Dulles Intl to Dallas. 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$162FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$90Average$189FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$140Average$532FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$188Average$499FlexibilityNo cancel feeOn-time71%
DeltaCheapest$216Average$382FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$225Average$387FlexibilityNo cancel feeOn-time69%

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