$104 Cheap Flights from Dallas (DAL) to Washington (IAD)

View $104 flight on Fri, Oct 31, 2025Opens in a new window

Popular airlines from Love Field Airport (DAL) to Washington Dulles Intl. Airport (IAD)

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Cheap Flights from Dallas to Washington (DAL-IAD)

Prices were available within the past 7 days and start at $104 for one-way flights and $222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Thu, Nov 20 - Sat, Nov 22
DAL
Dallas
IAD
Washington
$222 Roundtrip, found 6 days ago
$222
Roundtrip
found 6 days ago
Select Southwest Airlines flight, departing Thu, Nov 20 from Dallas to Washington, returning Sat, Nov 22, priced at $222 found 6 days ago
Southwest Airlines
Tue, Oct 21 - Fri, Oct 31
DAL
Dallas
IAD
Washington
$232 Roundtrip, found 9 hours ago
$232
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Tue, Oct 21 from Dallas to Washington, returning Fri, Oct 31, priced at $232 found 9 hours ago
Delta
Sat, Sep 20 - Mon, Sep 22
DAL
Dallas
IAD
Washington
$237 Roundtrip, just found
$237
Roundtrip
just found
Select Delta flight, departing Sat, Sep 20 from Dallas to Washington, returning Mon, Sep 22, priced at $237 just found
Southwest Airlines
Sat, Aug 30 - Tue, Sep 9
DAL
Dallas
IAD
Washington
$237 Roundtrip, found 9 hours ago
$237
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Sat, Aug 30 from Dallas to Washington, returning Tue, Sep 9, priced at $237 found 9 hours ago
Delta
Tue, Aug 19 - Wed, Aug 20
DAL
Dallas
IAD
Washington
$239 Roundtrip, found 4 hours ago
$239
Roundtrip
found 4 hours ago
Select Delta flight, departing Tue, Aug 19 from Dallas to Washington, returning Wed, Aug 20, priced at $239 found 4 hours ago
Southwest Airlines
Wed, Oct 29 - Fri, Oct 31
DAL
Dallas
IAD
Washington
$242 Roundtrip, found 1 hour ago
$242
Roundtrip
found 1 hour ago
Select Southwest Airlines flight, departing Wed, Oct 29 from Dallas to Washington, returning Fri, Oct 31, priced at $242 found 1 hour ago
Southwest Airlines
Fri, Aug 22 - Sat, Aug 30
DAL
Dallas
IAD
Washington
$242 Roundtrip, found 13 hours ago
$242
Roundtrip
found 13 hours ago
Select Southwest Airlines flight, departing Fri, Aug 22 from Dallas to Washington, returning Sat, Aug 30, priced at $242 found 13 hours ago
Delta
Mon, Aug 25 - Wed, Aug 27
DAL
Dallas
IAD
Washington
$247 Roundtrip, found 1 hour ago
$247
Roundtrip
found 1 hour ago
Select Delta flight, departing Mon, Aug 25 from Dallas to Washington, returning Wed, Aug 27, priced at $247 found 1 hour ago
Southwest Airlines
Sat, Aug 30 - Mon, Sep 8
DAL
Dallas
IAD
Washington
$247 Roundtrip, found 11 hours ago
$247
Roundtrip
found 11 hours ago
Select Southwest Airlines flight, departing Sat, Aug 30 from Dallas to Washington, returning Mon, Sep 8, priced at $247 found 11 hours ago
Southwest Airlines
Wed, Aug 20 - Sat, Aug 30
DAL
Dallas
IAD
Washington
$252 Roundtrip, found 9 hours ago
$252
Roundtrip
found 9 hours ago
Select Southwest Airlines flight, departing Wed, Aug 20 from Dallas to Washington, returning Sat, Aug 30, priced at $252 found 9 hours ago

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

August is typically the cheapest month to fly

From $176 - $568 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. Cheapest and Closest option available. Average driving time to city center is 8 minutes. Flights from $248
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city center8 min
Flights from $248
Flights from Dallas (DAL) to Washington (IAD)
Origin airport
Love Field
Destination airport
Washington Dulles Intl.
Airlines serving
Delta, Southwest Airlines
Roundtrip price
$221
Distance
1162 mi

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 November. 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 $104 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 Love Field Airport (DAL) to Washington Dulles Intl. Airport (IAD) cost?
Discover the latest flight deals from DAL to IAD by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from DAL to IAD?
The cheapest flights from DAL 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 Love Field Airport (DAL) to Washington Dulles Intl. Airport (IAD)?
While Dallas, TX (DAL-Love Field) doesn't have any direct flights to Washington Dulles Intl. Airport (IAD), other airports have nonstop options. Taking off from Dallas-Fort Worth Intl. Airport (DFW) will get you to Washington without any detours.
What is the cheapest airline that flies from DAL to IAD?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from DAL to IAD. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Love Field Airport (DAL) to Washington Dulles Intl. Airport (IAD)?
Nonstop flights from Love Field Airport (DAL) to Washington Dulles Intl. Airport (IAD) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DAL to IAD?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary depending on a number of factors, such as the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Love Field Airport (DAL) to Washington Dulles Intl. Airport (IAD)?
Opt for a flight from Love Field Airport (DAL) to Washington Dulles Intl. Airport (IAD) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures later than this are on average 22% more likely to be 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 Love Field Airport (DAL)?
If you're departing on a direct flight from Love Field Airport (DAL) to Washington, you can land at either Ronald Reagan Washington National Airport (DCA) or Baltimore Washington Intl. Thurgood Marshall Airport (BWI).
Is it cheaper to buy a plane ticket from Love Field Airport (DAL) to Washington Dulles Intl. Airport (IAD) last-minute?
Booking your plane ticket from DAL to IAD right before your getaway is usually more expensive. However, if you're flexible with your departure times and dates, you could score a cheap last-minute fare.
Is it cheaper to book a DAL to IAD flight and hotel package?
Securing a DAL to IAD flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Choose from our impressive range of hotels and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Love Field Airport (DAL) to Washington Dulles Intl. Airport (IAD)?
In most instances, you can cancel or modify your DAL to IAD flight. However, additional charges may apply, especially if you made your booking over 24 hours ago. Check your itinerary for the airline's fees and policies on flight changes, or if you want further details, head to our Customer Service portal.

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*Available to One Key members.