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$107+ 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 9/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DFW
Aug 28 — Sep 41
Fri 8/28
Fri 9/4
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dallas are usually found in September or October, booked 90 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap 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 July 29, 2026.

This Gotogate deal was found by Cheapflights users on 7/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:45 am
IAD
-
DFW
1 stop9h 15m
Frontier
Sun 8/232:22 pm
DFW
-
IAD
Nonstop3h 07m
Frontier
Deal found 7/28$225
This Kiwi.com deal was found by Cheapflights users on 7/28. 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.
Sat 8/159:30 am
IAD
-
DFW
1 stop21h 18m
Frontier
Wed 8/1910:00 am
DFW
-
IAD
1 stop11h 52m
Frontier
Deal found 7/28$226
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:20 am
IAD
-
DFW
1 stop10h 40m
Frontier
Sat 8/224:16 pm
DFW
-
IAD
2 stops18h 27m
Frontier
Deal found 7/27$227
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/87:00 am
IAD
-
DFW
1 stop8h 54m
Frontier
Thu 10/153:59 pm
DFW
-
IAD
1 stop7h 29m
Frontier
Deal found 7/27$228
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 8/1712:00 pm
IAD
-
DFW
2 stops24h 29m
Multiple Airlines
Sat 8/222:22 pm
DFW
-
IAD
Nonstop3h 07m
Multiple Airlines
Deal found 7/28$229
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/277:24 pm
IAD
-
DFW
Nonstop3h 23m
Frontier
Mon 9/72:22 pm
DFW
-
IAD
Nonstop3h 07m
Frontier
Deal found 7/26$230
This Trip.com deal was found by Cheapflights users on 7/27. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/217:24 pm
IAD
-
DFW
Nonstop3h 23m
Frontier
Mon 8/242:22 pm
DFW
-
IAD
Nonstop3h 07m
Frontier
Deal found 7/27$231
This Super.com deal was found by Cheapflights users on 7/29. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1812:30 pm
IAD
-
DFW
Nonstop3h 16m
Frontier
Sun 9/207:30 am
DFW
-
IAD
Nonstop3h 03m
Frontier
Deal found 7/29$232
This Frontier deal was found by Cheapflights users on 7/26. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/127:48 am
IAD
-
DFW
1 stop9h 19m
Frontier
Sat 8/155:06 pm
DFW
-
IAD
Nonstop3h 06m
Frontier
Deal found 7/26$233
This Kiwi.com deal was found by Cheapflights users on 7/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/111:32 pm
IAD
-
DFW
2 stops22h 25m
Frontier
Sat 8/154:16 pm
DFW
-
IAD
1 stop5h 36m
Frontier
Deal found 7/27$234
This FlightHub deal was found by Cheapflights users on 7/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/147:48 am
IAD
-
DFW
1 stop5h 42m
Frontier
Tue 8/182:22 pm
DFW
-
IAD
Nonstop3h 07m
Frontier
Deal found 7/26$236
This Delta deal was found by Cheapflights users on 7/28. 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.
Wed 8/196:00 am
IAD
-
DAL
1 stop4h 38m
Delta
Mon 8/315:59 pm
DAL
-
IAD
1 stop5h 35m
Delta
Deal found 7/28$271

Find 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 July 29, 2026.

Round-trip from

$224
(Kiwi.com)

One-way from

$107
(Kiwi.com)

Popular in

July

Cheapest in

September

Average price

$470
From Washington, D.C. Dulles Intl to Dallas
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Dallas
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($36 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in July 2026
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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 July 29, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 9/2

12:40 pm-3:00 pm

Nonstop3h 20m

Dallas/Fort Worth

Mon 9/7

7:20 am-11:23 am

Nonstop3h 03m

$251

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Wed 8/19

6:00 am-9:38 am

1 stop4h 38m

Dallas Love Field

Wed 8/19

6:33 pm-12:34 am

1 stop5h 01m

$271

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Sat 9/5

5:47 pm-10:26 pm

1 stop5h 39m

Dallas Love Field

Sat 9/12

12:00 pm-8:14 pm

1 stop7h 14m

$271

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Wed 10/21

6:12 pm-10:39 pm

1 stop5h 27m

Dallas Love Field

Mon 10/26

6:12 am-2:08 pm

1 stop6h 56m

$271

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Sat 8/29

6:00 am-9:31 am

1 stop4h 31m

Dallas Love Field

Tue 9/1

10:30 am-4:42 pm

1 stop5h 12m

$271

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 10/14

6:00 am-11:13 am

1 stop6h 13m

Dallas/Fort Worth

Sat 10/17

11:32 am-5:10 pm

1 stop4h 38m

$271

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Tue 9/15

12:26 pm-6:02 pm

1 stop6h 36m

Dallas Love Field

Sat 9/19

3:59 pm-12:41 am

1 stop7h 42m

$307

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Wed 9/2

10:16 am-1:52 pm

1 stop4h 36m

Dallas Love Field

Mon 9/7

6:33 pm-12:34 am

1 stop5h 01m

$333

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Wed 9/23

6:07 pm-9:57 pm

1 stop4h 50m

Dallas Love Field

Thu 9/24

6:30 am-2:11 pm

1 stop6h 41m

$333

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 8/29

5:47 pm-9:56 pm

1 stop5h 09m

Dallas/Fort Worth

Thu 9/3

5:20 am-11:33 am

1 stop5h 13m

$333

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 45 resultsSorted by cheapest first
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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

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

Currently, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dallas (average of $243). Flying from Washington, D.C. Dulles Intl Airport to Dallas in July is currently the most expensive (average of $470). 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 July 29, 2026.

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 evening tend to be the most expensive. A flight at noon could potentially save you up to 35% on airfare.

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 July 29, 2026.

The most flights from IAD to A78 are scheduled on a Wednesday (19 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (13 on average).

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Dallas?

Airfare is typical for this route at the moment.
Washington, D.C. Dulles Intl Airport to Dallas flights typically cost between $201 and $511 in August.
The cheapest round-trip price found within the last 5 days was $224 on Frontier (Aug 31-Sep 2).

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

About 14% of weekly flights between Washington, D.C. and Dallas have experienced delays in the past year, with the average delay time being 176 minutes.

What is the most punctual flight time for Washington, D.C. to Dallas 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 Sunday has historically faced a higher average of delays compared to other days of the week.

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

Over the last year, Frontier have had the lowest number of delays on this route, with just 9% of flights being delayed.

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

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 89 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 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 July 25, 2026.

Travelers seeking maximum savings on their Washington, D.C. Dulles Intl Airport to Dallas flight should consider departing on Sunday at noon 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.

The best insider tips for Washington, D.C. Dulles Intl Airport to Dallas flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Dallas trip
Our travel experts
Chris Dong

Chris Dong

Expert on DFW

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

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 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 July 29, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAmerican Airlines from Washington, D.C. Dulles Intl Airport to Dallas. 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
7.8
Good
8,489 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Matt,Sep 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
Delta
7.8
Good
8,489 reviews
Delta
7.8
Good
8,489 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Matt,Sep 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
United Airlines
7.4
Good
10,047 reviews
Delta
7.8
Good
8,489 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Matt,Sep 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
American Airlines
7.1
Good
11,842 reviews
Delta
7.8
Good
8,489 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Matt,Sep 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.
Frontier
5.6
Fair
2,748 reviews
Delta
7.8
Good
8,489 reviews

Food

7.2

Crew

8.5

Entertainment

7.8

Boarding

8.1

Comfort

7.8

Overall

7.8

Reviews

1 / 20
10.0
Excellent

Matt,Sep 2023

LAX - DAL

The crew was exceptional. The best crew on all 4 flight we took on this trip.

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.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Dallas?

    United Airlines and Delta can get you from Washington, D.C. Dulles Intl Airport to Dallas in just under 3h 20m. Your travel time can differ by up to 1h 18m. The distance between Washington, D.C. Dulles Intl Airport and Dallas is about 1169 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 $78. Other airlines that can offer you cheap pricing are Delta, from $173, and American Airlines, from $178. These flights start at 77% 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 $46. Delta flights start at $72 while deals on American Airlines start at $85 one-way.

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

    Consider Fiji Airways (100%), Mesa Airlines (100%) or GOL (96%) 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 $1,066 for a flight from Washington, D.C. Dulles Intl Airport to Dallas. The cheapest flight overall is $94 while the most popular route, (Washington, D.C. Dulles Intl - Dallas/Fort Worth) is currently priced at $148.

  • 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, September is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dallas (average of $243). Flying from Washington, D.C. Dulles Intl Airport to Dallas in July is currently the most expensive (average of $470). 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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Top 4 airlines flying from Dulles Intl to Dallas

Discover the top 4 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 July 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$78Average$260FlexibilityNo cancel feeOn-time62%
DeltaCheapest$173Average$476FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$411FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$195Average$481FlexibilityNo cancel feeOn-time69%

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