Dallas

$92+ 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 5/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DFW
Apr 2 — Apr 91
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dallas are usually found in August or October, booked 90 days in advance, depart on a Wednesday or Friday 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 March 28, 2025.

Round-trip from

$183
(American Airlines)

One-way from

$92
(American Airlines)

Popular in

March

Cheapest in

August

Average price

$399
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. 2% potential increase in price ($8 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 March 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 March 28, 2025.

This American Airlines deal was found by Cheapflights users on 3/27. 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 5/246:17 amIAD - DFW
Nonstop3h 31mAmerican Airlines
Wed 5/287:05 pmDFW - IAD
Nonstop2h 52mAmerican Airlines
Deal found 3/27$183
This Delta deal was found by Cheapflights users on 3/27. 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 10/47:50 pmIAD - DAL
1 stop4h 48mDelta
Wed 10/1510:20 amDAL - IAD
1 stop7h 28mDelta
Deal found 3/27$187
This Delta deal was found by Cheapflights users on 3/27. 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 5/32:45 pmIAD - DFW
1 stop7h 23mDelta
Wed 5/75:40 amDFW - IAD
1 stop5h 04mDelta
Deal found 3/27$187
This Cheapflightsfares deal was found by Cheapflights users on 3/27. 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.
Tue 5/2712:47 pmIAD - DFW
Nonstop3h 28mFrontier
Sat 5/319:15 amDFW - IAD
Nonstop3h 02mFrontier
Deal found 3/27$198
This United Airlines deal was found by Cheapflights users on 3/27. 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.
Sat 8/95:45 pmIAD - DFW
Nonstop3h 18mUnited Airlines
Mon 8/1110:35 amDFW - IAD
1 stop5h 55mUnited Airlines
Deal found 3/27$229
This Southwest deal was found by Cheapflights users on 3/26. 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.
Thu 7/105:00 amIAD - DAL
1 stop9h 05mSouthwest
Wed 7/1612:00 pmDAL - IAD
1 stop9h 45mSouthwest
Deal found 3/26$262
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/258:25 amIAD - DFW
3 stops15h 20mMultiple Airlines
Tue 4/2912:30 pmDFW - IAD
3 stops21h 50mMultiple Airlines
Deal found 3/27$294
This Sun Country Air deal was found by Cheapflights users on 3/27. 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.
Thu 4/1712:37 pmIAD - DFW
1 stop23h 15mSun Country Air
Sun 4/208:30 amDFW - IAD
1 stop25h 13mSun Country Air
Deal found 3/27$325

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 March 28, 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 5/24

6:17 am-8:48 am

Nonstop3h 31m

Dallas/Fort Worth

Wed 5/28

7:05 pm-10:57 pm

Nonstop2h 52m

$183

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Wed 5/7

3:37 pm-9:07 pm

1 stop6h 30m

Dallas Love Field

Sat 5/10

3:59 pm-9:34 pm

1 stop4h 35m

$187

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 5/3

2:45 pm-9:08 pm

1 stop7h 23m

Dallas/Fort Worth

Wed 5/7

5:40 am-11:44 am

1 stop5h 04m

$187

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Tue 5/27

12:47 pm-3:15 pm

Nonstop3h 28m

Dallas/Fort Worth

Sat 5/31

9:15 am-1:17 pm

Nonstop3h 02m

$198

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Fri 6/6

8:15 am-10:31 am

Nonstop3h 16m

Dallas/Fort Worth

Sun 6/8

5:25 pm-11:58 pm

1 stop5h 33m

$253

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Thu 7/10

5:00 am-1:05 pm

1 stop9h 05m

Dallas Love Field

Wed 7/16

12:00 pm-10:45 pm

1 stop9h 45m

$262

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Fri 4/25

8:25 am-10:45 pm

3 stops15h 20m

Dallas/Fort Worth

Tue 4/29

12:30 pm-11:20 am

3 stops21h 50m

$294

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Thu 4/17

12:37 pm-10:52 am

1 stop23h 15m

Dallas/Fort Worth

Sun 4/20

8:30 am-10:43 am

1 stop25h 13m

$325

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 5/24

5:07 pm-7:39 pm

Nonstop3h 32m

$92

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Wed 4/30

12:29 pm-5:51 pm

1 stop6h 22m

$94

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March 21, 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 March 28, 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 9% 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. 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

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 March 28, 2025.

The most flights from IAD to A78 are scheduled on a Thursday (15 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 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 March 28, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines 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.

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.6

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.6

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.6

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
8.0
Very good

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.6

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.6

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Comfort

8.1

Overall

8.1

Boarding

8.2

Crew

8.6

Food

7.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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 $183. Other airlines that can offer you cheap pricing are Delta, from $187, and Frontier, from $198. These flights start at 47% 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 American Airlines, which is currently one of the cheapest options available, starting at $92. Delta flights start at $94 while deals on Frontier start at $100 one-way.

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

    Consider American Airlines (80%), GOL (80%) or Brussels Airlines (78%) 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 $901 for a flight from Washington, D.C. Dulles Intl Airport to Dallas. The cheapest flight overall is $69 while the most popular route, (Washington, D.C. Dulles Intl - Dallas/Fort Worth) is currently priced at $187.

  • 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$48Average$190FlexibilityNo cancel feeOn-time65%
FrontierCheapest$82Average$187FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$140Average$508FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$192Average$501FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$223Average$468FlexibilityNo cancel feeOn-time69%
DeltaCheapest$227Average$385FlexibilityNo cancel feeOn-timeN/A
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