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 $122. Other airlines that can offer you cheap pricing are American Airlines, from $138, and Delta, from $236. These flights start at 60% 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 $59. United Airlines flights start at $70 while deals on American Airlines start at $85 one-way.

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.

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).

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

On average you can expect to pay $1,463 for a flight from Washington, D.C. Dulles Intl Airport to Dallas. The cheapest flight overall is $58 while the most popular route, (Washington, D.C. Dulles Intl - Dallas/Fort Worth) is currently priced at $79.

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

Consider Mesa Airlines (100%), Royal Air Maroc (88%) or United Airlines (80%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Dallas.

What are the most popular airlines that fly from Washington, D.C. Dulles Intl Airport to Dallas?

When booking a flight from Washington, D.C. Dulles Intl Airport to Dallas, you may want to consider flying on American Airlines, Delta or Frontier as they are the most popular for this route.

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

Departing on a Thursday is a good option for securing a great price. You can expect to save up to 54% when planning your travel around this day of the week.

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

Our data shows that August tends to be the cheapest month to fly to Dallas from Washington, D.C. Dulles Intl Airport. Users have commonly found prices around $270 for the month, but tickets can be as low as $92. Due to multiple factors, prepare for potentially higher prices in December.

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.

$59+ Flights from Washington, D.C. Dulles Intl Airport to Dallas

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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dallas are usually found in June or July, booked 66 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Dulles Intl to Dallas

Round-trip from	$122 (Priceline)
One-way from	$59 (Cheapflightsfares)
Popular in	April
Cheapest in	June
Average price	$249

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 ($33 potential increase over avg. RT price).

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Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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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 July 29, 2025.

Sat 8/912:27 pmIAD - DFW

Nonstop3h 17mFrontier

Sat 8/167:25 amDFW - IAD

Nonstop3h 02mFrontier

Deal found 7/27

$122

Wed 9/106:25 amIAD - DFW

Nonstop3h 19mAmerican Airlines

Wed 9/177:00 amDFW - IAD

Nonstop2h 57mAmerican Airlines

Deal found 7/27

$138

Fri 8/2212:50 pmIAD - DFW

Nonstop3h 16mUnited Airlines

Tue 9/2312:10 pmDFW - IAD

Nonstop3h 02mUnited Airlines

Deal found 7/29

$188

Sat 8/309:00 amIAD - DAL

1 stop7h 07mDelta

Sat 9/66:00 amDAL - IAD

1 stop4h 23mDelta

Deal found 7/29

$236

Sat 8/307:00 amIAD - DAL

1 stop6h 25mSouthwest

Sat 9/67:00 amDAL - IAD

1 stop7h 00mSouthwest

Deal found 7/27

$242

Best flights from Dulles Intl to Dallas
Discover carefully curated flight deals from Dulles Intl to Dallas that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated July 29, 2025.

Sat 8/912:27 pmIAD - DFW

Nonstop3h 17mFrontier

Sat 8/167:25 amDFW - IAD

Nonstop3h 02mFrontier

Deal found 7/27

$122

Wed 9/106:25 amIAD - DFW

Nonstop3h 19mAmerican Airlines

Wed 9/177:00 amDFW - IAD

Nonstop2h 57mAmerican Airlines

Deal found 7/27

$138

Sat 8/309:00 amIAD - DAL

1 stop7h 07mDelta

Sat 9/66:00 amDAL - IAD

1 stop4h 23mDelta

Deal found 7/29

$236

Sat 8/307:00 amIAD - DAL

1 stop6h 25mSouthwest

Sat 9/67:00 amDAL - IAD

1 stop7h 00mSouthwest

Deal found 7/27

$242

Last-minute flights from Dulles Intl to Dallas
Discover last-minute flight deals from Dulles Intl to Dallas. Data last updated July 29, 2025 and is based on user searches.

Tue 8/511:49 amIAD - DFW

Nonstop3h 11mAmerican Airlines

Tue 8/127:00 amDFW - IAD

Nonstop3h 01mAmerican Airlines

Deal found 7/29

$269

Tue 8/53:37 pmIAD - DAL

1 stop6h 51mDelta

Tue 8/195:45 amDAL - IAD

1 stop4h 59mDelta

Deal found 7/28

$288

Tue 8/56:00 amIAD - DFW

1 stop5h 08mDelta

Wed 8/2011:13 amDFW - IAD

1 stop6h 36mDelta

Deal found 7/28

$288

Tue 8/52:25 pmIAD - DAL

1 stop8h 25mSouthwest

Tue 8/126:35 amDAL - IAD

1 stop8h 40mSouthwest

Deal found 7/29

$324

Wed 8/66:10 amIAD - DFW

2 stops16h 54mMultiple Airlines

Thu 8/76:25 amDFW - IAD

1 stop6h 24mMultiple Airlines

Deal found 7/26

$195

Fri 8/811:04 amIAD - DFW

Nonstop3h 17mFrontier

Sat 8/238:00 amDFW - IAD

Nonstop3h 02mFrontier

Deal found 7/27

$134

Sat 8/912:27 pmIAD - DFW

Nonstop3h 17mFrontier

Sat 8/167:25 amDFW - IAD

Nonstop3h 02mFrontier

Deal found 7/27

$122

Sat 8/168:45 amIAD - DFW

Nonstop3h 27mUnited Airlines

Wed 8/2012:10 pmDFW - IAD

Nonstop3h 01mUnited Airlines

Deal found 7/29

$194

Sat 8/306:27 amIAD - DFW

Nonstop3h 09mAmerican Airlines

Sat 9/612:38 pmDFW - IAD

Nonstop3h 09mAmerican Airlines

Deal found 7/29

$139

Sat 8/309:00 amIAD - DAL

1 stop7h 07mDelta

Sat 9/66:00 amDAL - IAD

1 stop4h 23mDelta

Deal found 7/29

$236

Sat 8/307:00 amIAD - DAL

1 stop6h 25mSouthwest

Sat 9/67:00 amDAL - IAD

1 stop7h 00mSouthwest

Deal found 7/27

$242

One-way flights from Dulles Intl to Dallas
Search for one-way flight options from Dulles Intl to Dallas. Find affordable one-way fares based on user searches. Data last updated July 29, 2025.

Sat 8/1612:27 pmIAD - DFW

Nonstop3h 17mFrontier

Deal found 7/27

$59

Wed 9/312:50 pmIAD - DFW

Nonstop3h 16mUnited Airlines

Deal found 7/28

$70

Wed 8/2011:51 amIAD - DFW

Nonstop3h 09mAmerican Airlines

Deal found 7/29

$85

Sat 8/307:00 amIAD - DAL

1 stop6h 25mSouthwest

Deal found 7/29

$104

Tue 8/263:26 pmIAD - DAL

1 stop6h 42mDelta

Deal found 7/29

$119

Wed 8/2012:39 pmIAD - DFW

1 stop5h 32mDelta

Deal found 7/29

$119

Mon 9/810:49 amIAD - DFW

2 stops14h 05mMultiple Airlines

Deal found 7/28

$126

Cheapflights Fare Finder

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

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 8/9

12:27 pm-2:44 pm

Nonstop3h 17m

Dallas/Fort Worth

Sat 8/16

7:25 am-11:27 am

Nonstop3h 02m

$122

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 9/10

6:25 am-8:44 am

Nonstop3h 19m

Dallas/Fort Worth

Wed 9/17

7:00 am-10:57 am

Nonstop2h 57m

$138

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Sat 8/30

9:00 am-3:07 pm

1 stop7h 07m

Dallas Love Field

Sat 9/6

6:00 am-11:23 am

1 stop4h 23m

$236

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Sat 8/30

7:00 am-12:25 pm

1 stop6h 25m

Dallas Love Field

Sat 9/6

7:00 am-3:00 pm

1 stop7h 00m

$242

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Sat 8/16

12:27 pm-2:44 pm

Nonstop3h 17m

$59

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 9/3

12:50 pm-3:06 pm

Nonstop3h 16m

$70

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 8/20

11:51 am-2:00 pm

Nonstop3h 09m

$85

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Sat 8/30

7:00 am-12:25 pm

1 stop6h 25m

$104

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Tue 8/26

3:26 pm-9:08 pm

1 stop6h 42m

$119

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 8/20

12:39 pm-5:11 pm

1 stop5h 32m

$119

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 11 results

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

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Dallas trip

Airports

IAD

Expect long security queues at IAD, especially in the afternoon. Plan ahead to ensure a smooth departure experience.

DFW

Use the DART Orange Line for a convenient train ride from DFW to downtown Dallas, with a station at Terminal A.

Our travel experts

Chris Dong

Expert on DFW

Ramsey Qubein

Expert on IAD

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?

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 66 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?

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 at noon could potentially save you up to 72% on airfare.

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

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

The most flights from IAD to A78 are scheduled on a Tuesday (18 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (9 on average).

Reviews of airlines servicing Dallas

Read reviews from past customers who have flown Southwest, Delta, and United 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.

Southwest

8.0

Very good

4,238 reviews

Reviews

1 / 20

8.0

Excellent

Gina,Jul 2025

LAS - DEN

We experienced bad weather, which turned our 1.5 hour flight from Las Vegas to Denver, into 3.5. The pilot and crew kept us updated and explained that we had to circle and or possibly redirect to another airport. After circling for sometime, we were able to land smoothly in Denver. Thank you to all the flight crew, tower control, and all who got us to our destination safely.

Southwest

8.0

Very good

4,238 reviews

Southwest

8.0

Very good

4,238 reviews

Reviews

1 / 20

8.0

Excellent

Gina,Jul 2025

LAS - DEN

Delta

8.0

Very good

7,977 reviews

Southwest

8.0

Very good

4,238 reviews

Reviews

1 / 20

8.0

Excellent

Gina,Jul 2025

LAS - DEN

United Airlines

7.4

Good

8,893 reviews

Southwest

8.0

Very good

4,238 reviews

Reviews

1 / 20

8.0

Excellent

Gina,Jul 2025

LAS - DEN

American Airlines

7.2

Good

10,000 reviews

Southwest

8.0

Very good

4,238 reviews

Reviews

1 / 20

8.0

Excellent

Gina,Jul 2025

LAS - DEN

Frontier

5.9

Fair

3,238 reviews

Southwest

8.0

Very good

4,238 reviews

Reviews

1 / 20

8.0

Excellent

Gina,Jul 2025

LAS - DEN

Related info for your journey

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 $122. Other airlines that can offer you cheap pricing are American Airlines, from $138, and Delta, from $236. These flights start at 60% 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 $59. United Airlines flights start at $70 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 Mesa Airlines (100%), Royal Air Maroc (88%) or United Airlines (80%) 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 $1,463 for a flight from Washington, D.C. Dulles Intl Airport to Dallas. The cheapest flight overall is $58 while the most popular route, (Washington, D.C. Dulles Intl - Dallas/Fort Worth) is currently priced at $79.
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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Complete your trip

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Top 6 airlines flying from Dulles Intl to Dallas

Airline	Cheapest	Average	Flexibility	On-time
Spirit Airlines	Cheapest$48	Average$145	FlexibilityNo cancel fee	On-time65%
Frontier	Cheapest$94	Average$160	FlexibilityNo cancel fee	On-time62%
Southwest	Cheapest$140	Average$508	FlexibilityNo cancel fee	On-time63%
American Airlines	Cheapest$165	Average$305	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$204	Average$376	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$236	Average$360	FlexibilityNo cancel fee	On-timeN/A

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$59+ 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 8/16. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dulles Intl to Dallas with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Dallas are usually found in June or July, booked 66 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Dulles Intl to Dallas

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Dulles Intl to Dallas

Cheapest flights from Dulles Intl to DallasExplore 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, 2025.

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, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Dallas that are best for you.

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

Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Dallas trip

Airports

IAD

DFW

Our travel experts

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.

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 July 25, 2025.

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

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, 2025.

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.

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, 2025.

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, 2025.

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?

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

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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

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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, 2025.