In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, 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 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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

The most popular airlines flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

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

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

How can I find direct flights from Dallas/Fort Worth 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/Fort Worth to Dulles Intl.

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

Yes. Cheapflights offers flight deals from Dallas/Fort Worth 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.

$68+ Flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

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Cheapflights Tip: The best prices from Dallas/Fort Worth to Washington, D.C. Dulles Intl are usually found in August or February, booked 77 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Dallas/Fort Worth to Dulles Intl

Round-trip from	$116 (CheapOair)
One-way from	$68 (Priceline)
Popular in	December
Cheapest in	August
Average price	$288
Good round-trip deal	$173 or less
Good one-way deal	$112 or less

From Dallas/Fort Worth to Washington, D.C. Dulles Intl

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One-way flight from Dallas/Fort Worth to Washington, D.C. Dulles Intl

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Highest demand for flights based on searches. 11% potential increase in price ($37 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).

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Average for round-trip flights in July 2025

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Price to beat on a round-trip flight from Dallas/Fort Worth to Washington, D.C. Dulles Intl.

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Price to beat on a one-way flight from Dallas/Fort Worth to Washington, D.C. Dulles Intl.

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Find flight deals from Dallas/Fort Worth to Dulles Intl

Cheapest flights from Dallas/Fort Worth to Dulles Intl
Explore the most affordable flight options available from Dallas/Fort Worth to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

vie. 7/256:05 amDFW - IAD

Nonstop3h 02mFrontier

lun. 7/2811:04 amIAD - DFW

Nonstop3h 17mFrontier

Deal found 7/1

$117

sáb. 8/97:00 amDFW - IAD

Nonstop3h 01mAmerican Airlines

mar. 8/126:27 amIAD - DFW

Nonstop3h 10mAmerican Airlines

Deal found 7/3

$139

jue. 8/77:30 amDFW - IAD

Nonstop3h 02mUnited Airlines

mar. 8/1212:40 pmIAD - DFW

Nonstop3h 16mUnited Airlines

Deal found 7/1

$148

Best flights from Dallas/Fort Worth to Dulles Intl
Discover carefully curated flight deals from Dallas/Fort Worth to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated julio 3, 2025.

vie. 8/86:05 amDFW - IAD

Nonstop3h 02mFrontier

dom. 8/1011:02 amIAD - DFW

Nonstop3h 17mFrontier

Deal found 7/3

$116

sáb. 8/97:00 amDFW - IAD

Nonstop3h 01mAmerican Airlines

mar. 8/126:27 amIAD - DFW

Nonstop3h 10mAmerican Airlines

Deal found 7/3

$139

jue. 8/77:30 amDFW - IAD

Nonstop3h 02mUnited Airlines

mar. 8/1212:40 pmIAD - DFW

Nonstop3h 16mUnited Airlines

Deal found 7/1

$148

Last-minute flights from Dallas/Fort Worth to Dulles Intl
Discover last-minute flight deals from Dallas/Fort Worth to Dulles Intl. Data last updated julio 3, 2025 and is based on user searches.

dom. 7/136:05 amDFW - IAD

Nonstop3h 02mFrontier

jue. 7/2411:04 amIAD - DFW

Nonstop3h 17mFrontier

Deal found 6/30

$134

vie. 7/256:05 amDFW - IAD

Nonstop3h 02mFrontier

lun. 7/2811:04 amIAD - DFW

Nonstop3h 17mFrontier

Deal found 7/1

$117

jue. 8/77:30 amDFW - IAD

Nonstop3h 02mUnited Airlines

mar. 8/1212:40 pmIAD - DFW

Nonstop3h 16mUnited Airlines

Deal found 7/1

$148

sáb. 8/97:00 amDFW - IAD

Nonstop3h 01mAmerican Airlines

mar. 8/126:27 amIAD - DFW

Nonstop3h 10mAmerican Airlines

Deal found 7/3

$139

One-way flights from Dallas/Fort Worth to Dulles Intl
Search for one-way flight options from Dallas/Fort Worth to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated julio 3, 2025.

dom. 8/105:50 pmDFW - IAD

1 stop5h 29mFrontier

Deal found 7/2

$68

mar. 9/95:20 pmDFW - IAD

Nonstop3h 02mUnited Airlines

Deal found 7/1

$70

mar. 9/236:49 pmDFW - IAD

Nonstop2h 56mAmerican Airlines

Deal found 7/2

$72

jue. 7/316:25 amDFW - IAD

1 stop6h 24mMultiple Airlines

Deal found 7/1

$107

jue. 11/279:40 amDFW - IAD

1 stop6h 01mDelta

Deal found 7/3

$119

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

vie. 7/25

6:05 am-10:07 am

Nonstop3h 02m

Washington, D.C. Dulles Intl

lun. 7/28

11:04 am-1:21 pm

Nonstop3h 17m

$117

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

sáb. 8/9

7:00 am-11:01 am

Nonstop3h 01m

Washington, D.C. Dulles Intl

mar. 8/12

6:27 am-8:37 am

Nonstop3h 10m

$139

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

jue. 8/7

7:30 am-11:32 am

Nonstop3h 02m

Washington, D.C. Dulles Intl

mar. 8/12

12:40 pm-2:56 pm

Nonstop3h 16m

$148

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

dom. 8/10

5:50 pm-12:19 am

1 stop5h 29m

$68

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mar. 9/9

5:20 pm-9:22 pm

Nonstop3h 02m

$70

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mar. 9/23

7:00 am-10:57 am

Nonstop2h 57m

$72

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

mar. 9/23

7:15 am-2:33 pm

1 stop6h 18m

$119

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

jue. 9/4

4:42 pm-3:53 pm

2 stops22h 11m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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

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

Airports

DFW

For a quick departure, use the Skylink Train to efficiently move between terminals at DFW. Trains run every two minutes.

IAD

Use the Washington Metro Silver Line for a cost-effective ride to D.C. from IAD, taking less than 40 minutes.

Our travel experts

Chris Dong

Expert on DFW

Ramsey Qubein

Expert on IAD

Best time to book a flight from Dallas/Fort Worth to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Dallas/Fort Worth 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/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

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

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, August is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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?

When flying from Dallas/Fort Worth Airport 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 73% versus a flight at noon.

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

Travelers seeking maximum savings on their Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport flight should consider departing on Tuesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

The most flights from DFW to IAD are scheduled on a Thursday (13 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (5 on average).

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

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very good

7,982 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,861 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

American Airlines

7.2

Good

10,000 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Frontier

5.9

Fair

3,286 reviews

Delta

8.0

Very good

7,982 reviews

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

What are the cheapest airlines flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport round-trip?
According to our current data, Frontier ($116), American Airlines ($139), and United Airlines ($148) offers the cheapest pricing from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport. Frontier is currently priced 60% below the average price you’ll pay for this route.
What are the cheapest airlines to fly from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport one-way?
One-way options have recently been found by users for as low as $68 on Frontier. Other airlines that offer cheap prices include United Airlines from $70 and American Airlines from $72 one-way.
What are the most reliable airlines from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?
The top 3 most reliable airlines when flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport are Mesa Airlines (83%), Iberia (82%) and Frontier (81%).
What are the cheapest flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?
Looking at all options, your cheapest flight can be booked for $53. While the most popular route (Dallas/Fort Worth - Washington, D.C. Dulles Intl) can be booked for $98 on average our data indicates $1,643 when flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport.
Can I find deals for flights from Dallas/Fort Worth to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Dallas/Fort Worth to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Dallas/Fort Worth 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/Fort Worth to Dulles Intl.
Can I find deals for business class flights from Dallas/Fort Worth to Dulles Intl?
Yes. Cheapflights offers flight deals from Dallas/Fort Worth 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/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?
Currently, August is the cheapest month in which you can book a flight from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport (average of $309). Flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport in July is currently the most expensive (average of $345). 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

Arlington

Woodbridge

Alexandria

Tysons

Silver Spring

Fredericksburg

Linthicum Heights

Gaithersburg

Fairfax

Easton

Towson

Waldorf

Laurel

Falls Church

Rockville

Springfield

National Harbor

Manassas

Dundalk

Bowie

Browse thousands of different options on Cheapflights for your next trip

Top 5 airlines flying from Dallas/Fort Worth to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Frontier	Cheapest$72	Average$145	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$107	Average$224	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$170	Average$306	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$198	Average$371	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$236	Average$296	FlexibilityNo cancel fee	On-timeN/A

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$68+ Cheap flights from Dallas/Fort Worth (DFW) 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 8/10. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Dallas/Fort Worth to Dulles Intl 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 Dallas/Fort Worth to Washington, D.C. Dulles Intl are usually found in August or February, booked 77 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Dallas/Fort Worth to Dulles Intl

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Dallas/Fort Worth to Dulles Intl

Cheapest flights from Dallas/Fort Worth to Dulles IntlExplore the most affordable flight options available from Dallas/Fort Worth to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Explore the most affordable flight options available from Dallas/Fort Worth to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.

Cheapflights Fare Finder

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

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

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

Airports

DFW

IAD

Our travel experts

Best time to book a flight from Dallas/Fort Worth to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Dallas/Fort Worth with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Dallas/Fort Worth to Dulles Intl. Price data was last updated on June 27, 2025.

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

What is the cheapest time of day to fly from DFW to IAD?

Find hourly flight availability from Dallas/Fort Worth 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 julio 3, 2025.

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

Use this chart to determine the cheapest time to fly round-trip from Dallas/Fort Worth to Dulles Intl. Price data was last updated on June 29, 2025.

Weekly flight availability from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

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

Reviews of airlines servicing Dulles Intl

Read through reviews of airlines operating flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Dallas/Fort Worth to Dulles Intl. 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 Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport round-trip?

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

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

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

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

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

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

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

Traveling to a place near Dallas/Fort Worth Airport?

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Alternative routes for Dallas/Fort Worth to Dulles Intl

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Top 5 airlines flying from Dallas/Fort Worth to Dulles Intl

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Cheapest flights from Dallas/Fort Worth to Dulles Intl
Explore the most affordable flight options available from Dallas/Fort Worth to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 3, 2025.