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.

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

Travelers have found that booking a Thursday departure is the best way to save up to 94% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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.

$69+ Flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

Find cheap flights from Dallas/Fort Worth to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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

Cheap flight deals from Dallas/Fort Worth to Dulles Intl

Round-trip from	$123 (Frontier)
One-way from	$69 (American Airlines)
Popular in	December
Cheapest in	August
Average price	$227
Good round-trip deal	$155 or less
Good one-way deal	$93 or less

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 14% potential increase in price ($49 potential increase over avg. RT price).

Search Deals

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

Search Deals

Average for round-trip flights in July 2025

Search Deals

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

Search Deals

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

Search Deals

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 July 31, 2025.

Sat 8/167:25 amDFW - IAD

Nonstop3h 02mFrontier

Mon 8/1811:04 amIAD - DFW

Nonstop3h 17mFrontier

Deal found 7/31

$123

Tue 9/2312:10 pmDFW - IAD

Nonstop3h 02mUnited Airlines

Tue 9/235:20 pmIAD - DFW

Nonstop3h 16mUnited Airlines

Deal found 7/29

$134

Sat 9/136:49 pmDFW - IAD

Nonstop2h 59mAmerican Airlines

Wed 11/125:27 pmIAD - DFW

Nonstop3h 47mAmerican Airlines

Deal found 7/31

$139

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 July 31, 2025.

Sat 8/167:25 amDFW - IAD

Nonstop3h 02mFrontier

Thu 8/2110:22 amIAD - DFW

Nonstop3h 17mFrontier

Deal found 7/31

$123

Tue 9/2312:10 pmDFW - IAD

Nonstop3h 02mUnited Airlines

Tue 9/235:20 pmIAD - DFW

Nonstop3h 16mUnited Airlines

Deal found 7/29

$134

Sat 9/136:49 pmDFW - IAD

Nonstop2h 59mAmerican Airlines

Wed 11/125:27 pmIAD - DFW

Nonstop3h 47mAmerican Airlines

Deal found 7/31

$139

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 July 31, 2025 and is based on user searches.

Wed 8/65:30 amDFW - IAD

1 stop5h 20mDelta

Tue 8/1212:39 pmIAD - DFW

1 stop5h 32mDelta

Deal found 7/28

$289

Sat 8/97:25 amDFW - IAD

Nonstop3h 02mFrontier

Sat 8/1612:27 pmIAD - DFW

Nonstop3h 17mFrontier

Deal found 7/28

$137

Sat 8/97:00 amDFW - IAD

Nonstop3h 01mAmerican Airlines

Tue 8/126:27 amIAD - DFW

Nonstop3h 10mAmerican Airlines

Deal found 7/29

$269

Sat 8/167:25 amDFW - IAD

Nonstop3h 02mFrontier

Thu 8/2110:22 amIAD - DFW

Nonstop3h 17mFrontier

Deal found 7/31

$123

Tue 8/263:00 pmDFW - IAD

Nonstop2h 56mAmerican Airlines

Tue 9/26:27 amIAD - DFW

Nonstop3h 10mAmerican Airlines

Deal found 7/28

$155

Sat 8/307:25 amDFW - IAD

Nonstop3h 01mUnited Airlines

Sat 9/612:48 pmIAD - DFW

Nonstop3h 16mUnited Airlines

Deal found 7/30

$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 July 31, 2025.

Sat 10/412:38 pmDFW - IAD

Nonstop3h 09mAmerican Airlines

Deal found 7/30

$69

Wed 10/2912:10 pmDFW - IAD

Nonstop2h 49mUnited Airlines

Deal found 7/31

$70

Thu 8/285:25 amDFW - IAD

Nonstop3h 02mFrontier

Deal found 7/31

$82

Tue 9/2310:48 amDFW - IAD

1 stop6h 34mDelta

Deal found 7/31

$119

Thu 10/309:00 pmDFW - IAD

2 stops14h 52mMultiple Airlines

Deal found 7/31

$130

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

Sat 8/16

7:25 am-11:27 am

Nonstop3h 02m

Washington, D.C. Dulles Intl

Thu 8/21

10:22 am-12:39 pm

Nonstop3h 17m

$123

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Tue 9/23

12:10 pm-4:12 pm

Nonstop3h 02m

Washington, D.C. Dulles Intl

Tue 9/23

5:20 pm-7:36 pm

Nonstop3h 16m

$134

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 9/13

6:49 pm-10:48 pm

Nonstop2h 59m

Washington, D.C. Dulles Intl

Wed 11/12

5:27 pm-8:14 pm

Nonstop3h 47m

$139

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 10/4

12:38 pm-4:47 pm

Nonstop3h 09m

$69

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Wed 10/29

12:10 pm-3:59 pm

Nonstop2h 49m

$70

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Thu 8/28

5:25 am-9:27 am

Nonstop3h 02m

$82

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Tue 9/23

10:48 am-6:22 pm

1 stop6h 34m

$119

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Thu 10/30

9:00 pm-12:52 pm

2 stops14h 52m

$130

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

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, July 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 $306). Flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 69% 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 Wednesday 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 (16 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (7 on average).

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

7,981 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

7,981 reviews

Delta

8.0

Very good

7,981 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

8,900 reviews

Delta

8.0

Very good

7,981 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

7,981 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

3,239 reviews

Delta

8.0

Very good

7,981 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 ($123), United Airlines ($134), and American Airlines ($139) offers the cheapest pricing from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport. Frontier is currently priced 56% 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 $69 on American Airlines. Other airlines that offer cheap prices include United Airlines from $70 and Frontier 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 (94%), GOL (86%) and Brussels Airlines (85%).
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 $52. While the most popular route (Dallas/Fort Worth - Washington, D.C. Dulles Intl) can be booked for $132 on average our data indicates $1,600 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, July 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 $306). Flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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

Woodbridge

Arlington

Alexandria

Tysons

Silver Spring

Fredericksburg

Gaithersburg

Towson

Linthicum Heights

Easton

Fairfax

Manassas

Falls Church

Waldorf

Laurel

Rockville

Oxon Hill

National Harbor

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$85	Average$151	FlexibilityNo cancel fee	On-time62%
Spirit Airlines	Cheapest$107	Average$223	FlexibilityNo cancel fee	On-time65%
American Airlines	Cheapest$158	Average$300	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$195	Average$365	FlexibilityNo cancel fee	On-time69%
Delta	Cheapest$236	Average$292	FlexibilityNo cancel fee	On-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$69+ 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 10/4. 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 July, booked 77 days in advance, depart on a Friday or Thursday 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 July 31, 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 July 31, 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 July 25, 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 July 31, 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 July 27, 2025.

Weekly flight availability 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 Washington, D.C. Dulles Intl Airport?

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 Dallas/Fort Worth to Dulles Intl

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

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

100% Free

Book with Flexibility

Travel Smart

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 July 31, 2025.