$70 Cheap Flights from Dallas (DFW) to Washington (IAD)

View $70 flight on Sat, Oct 25, 2025Opens in a new window

Popular airlines from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Dallas to Washington (DFW-IAD)

Prices were available within the past 7 days and start at $70 for one-way flights and $128 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frontier Airlines
Sat, Sep 6 - Sat, Sep 20
DFW
Dallas
IAD
Washington
$128 Roundtrip, just found
$128
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Sep 6 from Dallas to Washington, returning Sat, Sep 20, priced at $128 just found
Frontier Airlines
Sat, Oct 18 - Mon, Oct 20
DFW
Dallas
IAD
Washington
$133 Roundtrip, just found
$133
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 18 from Dallas to Washington, returning Mon, Oct 20, priced at $133 just found
Frontier Airlines
Mon, Sep 22 - Thu, Sep 25
DFW
Dallas
IAD
Washington
$138 Roundtrip, found 1 hour ago
$138
Roundtrip
found 1 hour ago
Select Frontier Airlines flight, departing Mon, Sep 22 from Dallas to Washington, returning Thu, Sep 25, priced at $138 found 1 hour ago
United
Sat, Oct 25 - Tue, Nov 4
DFW
Dallas
IAD
Washington
$139 Roundtrip, just found
$139
Roundtrip
just found
Select United flight, departing Sat, Oct 25 from Dallas to Washington, returning Tue, Nov 4, priced at $139 just found
United
Tue, Oct 21 - Sat, Oct 25
DFW
Dallas
IAD
Washington
$140 Roundtrip, found 4 hours ago
$140
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Oct 21 from Dallas to Washington, returning Sat, Oct 25, priced at $140 found 4 hours ago
Frontier Airlines
Sat, Oct 18 - Sat, Oct 25
DFW
Dallas
IAD
Washington
$141 Roundtrip, just found
$141
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 18 from Dallas to Washington, returning Sat, Oct 25, priced at $141 just found
Frontier Airlines
Fri, Oct 10 - Mon, Oct 13
DFW
Dallas
IAD
Washington
$143 Roundtrip, just found
$143
Roundtrip
just found
Select Frontier Airlines flight, departing Fri, Oct 10 from Dallas to Washington, returning Mon, Oct 13, priced at $143 just found
Frontier Airlines
Sat, Oct 25 - Mon, Oct 27
DFW
Dallas
IAD
Washington
$146 Roundtrip, just found
$146
Roundtrip
just found
Select Frontier Airlines flight, departing Sat, Oct 25 from Dallas to Washington, returning Mon, Oct 27, priced at $146 just found
American Airlines
Sat, Aug 23 - Tue, Aug 26
DFW
Dallas
IAD
Washington
$169 Roundtrip, just found
$169
Roundtrip
just found
Select American Airlines flight, departing Sat, Aug 23 from Dallas to Washington, returning Tue, Aug 26, priced at $169 just found
Alaska Airlines
Wed, Aug 13 - Fri, Aug 22
DFW
Dallas
IAD
Washington
$684 Roundtrip, found 2 hours ago
$684
Roundtrip
found 2 hours ago
Select Alaska Airlines flight, departing Wed, Aug 13 from Dallas to Washington, returning Fri, Aug 22, priced at $684 found 2 hours ago

Find the cheapest month to fly from Dallas (DFW) to Washington (IAD)

June is typically the cheapest month to fly

From $88 - $159 per traveler.

Graph displaying average flight prices per month

Alternative airports near Washington

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Ronald Reagan Washington National DCA. Closest option available. Average driving time to city center is 8 minutes. Flights from $257
DCA
Ronald Reagan Washington National
Closest
Average driving time to city center8 min
Flights from $257
Flights from Dallas (DFW) to Washington (IAD)
Origin airport
Dallas-Fort Worth Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Roundtrip price
$125
Distance
1170 mi
Average flight time
4 hours 22 mins

Dallas to Washington Flights

The cheapest times to fly from Dallas to Washington

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Dallas to Washington are during the month of September. You can find some of the cheapest flights from Dallas to Washington with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Dallas to Washington

Sunday is one of the best days to book for cheap flights from Dallas to Washington: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Dallas to Washington

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Dallas to Washington in 2025. You can also book with separate airlines for your outbound and return journeys, from $70 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Dallas to Washington flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Dallas to Washington airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD) cost?
Cheap round-trip flights from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD) start from $111. This information is based on the cheapest price found on Expedia for this return journey departing within the next three months. This airfare is for a United and Spirit Airlines flight leaving DFW on August 12 2025 and touching down at IAD. The price was last updated on July 23 2025 and has not changed since.
What is the cheapest month to fly from DFW to IAD?
The cheapest flights from DFW to IAD are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)?
You can fly nonstop from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD) on a United Airlines flight.
What is the cheapest airline that flies from DFW to IAD?
Right now, the cheapest carrier offering one-way flights from DFW to IAD is United. You can book a seat on this route from $70. This fare is based on the lowest price found on Expedia departing within the next three months. The flight takes off from DFW on October 18 2025. Prices were last updated on July 23 2025 and have not changed since.
How many flights per day from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)?
Daily, an average of 5 direct flights operate from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD). Select the departure date that best suits your plans.
What are the most popular departure times for flights from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)?
The 12 PM departures from DFW to IAD are the busiest. They can also be more expensive. If you're looking to save, book during off-peak hours.
What day of the week has the most flights from DFW to IAD?
If you jet off on a Sunday, you'll get the greatest range of choices for flights from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD).
What is the earliest flight from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)?
Dallas-Fort Worth Intl. Airport (DFW)'s first flight to Washington Dulles Intl. Airport (IAD) departs at approximately 7:45AM UTC-6. With a total journey time of 2h 47m, you'll touch down at around 11:32AM UTC-5.
How long does it take to fly from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)?
It takes about 2 hours and 49 minutes to cover the 1,150 mi from DFW to IAD.
What airline has the least delays from DFW to IAD?
With 80% of flights usually arriving as scheduled, American Airlines has the best on-time performance for nonstop flights from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD). To check your flight status and get notified about any changes, use the Expedia App.
What is the best time to fly from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)?
To avoid possible delays on the Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD) route, travel before 3 PM. Departures after this time have a 22% higher chance of being canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Washington from Dallas-Fort Worth Intl. Airport (DFW)?
Dallas-Fort Worth Intl. Airport (DFW) has direct flights to Washington. These are some of the airports you can fly to without stopovers:

  • Ronald Reagan Washington National Airport (DCA)
  • Washington Dulles Intl. Airport (IAD)
  • Baltimore Washington Intl. Thurgood Marshall Airport (BWI)

Is it cheaper to buy a plane ticket from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD) last-minute?
Last-minute bookings from DFW to IAD are generally more expensive. To lock in the best rates, start searching for flights as early as possible. That being said, if you're flexible with your travel dates, it's possible to score a cheap fare right before you leave.
Is it cheaper to book a DFW to IAD flight and hotel package?
Opting for a DFW to IAD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your trip all in one place. Choose from our impressive range of stays and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)?
If you booked your DFW to IAD flight in the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the fare type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, go to our Customer Service portal for more information.

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