A modern airport control tower with a spherical top and a curved, white-roofed building in the foreground.

£98 Cheap Flights from Dallas (DFW) to Washington (IAD)

View £98 flight on Fri, 11 Sept 2026Opens in a new window

Flight 1

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

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 25% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at £98 for one-way flights and £448 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Fri, 11 Sept - Tue, 15 Sept
DFW
Dallas
IAD
Washington
£448 Return, found 1 day ago
£448
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 11 Sept from Dallas to Washington, returning Tue, 15 Sept, priced at £448 found 1 day ago
Alaska Airlines
Thu, 10 Sept - Mon, 14 Sept
DFW
Dallas
IAD
Washington
£453 Return, found 6 days ago
£453
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 10 Sept from Dallas to Washington, returning Mon, 14 Sept, priced at £453 found 6 days ago
Alaska Airlines
Thu, 10 Sept - Mon, 14 Sept
DFW
Dallas
IAD
Washington
£459 Return, found 15 hours ago
£459
Return
found 15 hours ago
Select Alaska Airlines flight, departing Thu, 10 Sept from Dallas to Washington, returning Mon, 14 Sept, priced at £459 found 15 hours ago
Alaska Airlines
Thu, 10 Sept - Sun, 13 Sept
DFW
Dallas
IAD
Washington
£470 Return, found 6 days ago
£470
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 10 Sept from Dallas to Washington, returning Sun, 13 Sept, priced at £470 found 6 days ago
Alaska Airlines
Sat, 19 Sept - Sat, 26 Sept
DFW
Dallas
IAD
Washington
£473 Return, found 2 days ago
£473
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 19 Sept from Dallas to Washington, returning Sat, 26 Sept, priced at £473 found 2 days ago
Alaska Airlines
Fri, 11 Sept - Tue, 15 Sept
DFW
Dallas
IAD
Washington
£475 Return, found 1 day ago
£475
Return
found 1 day ago
Select Alaska Airlines flight, departing Fri, 11 Sept from Dallas to Washington, returning Tue, 15 Sept, priced at £475 found 1 day ago
Alaska Airlines
Tue, 1 Sept - Sat, 5 Sept
DFW
Dallas
IAD
Washington
£476 Return, found 6 days ago
£476
Return
found 6 days ago
Select Alaska Airlines flight, departing Tue, 1 Sept from Dallas to Washington, returning Sat, 5 Sept, priced at £476 found 6 days ago
Alaska Airlines
Sat, 5 Sept - Wed, 9 Sept
DFW
Dallas
IAD
Washington
£481 Return, found 22 hours ago
£481
Return
found 22 hours ago
Select Alaska Airlines flight, departing Sat, 5 Sept from Dallas to Washington, returning Wed, 9 Sept, priced at £481 found 22 hours ago
Alaska Airlines
Thu, 10 Sept - Mon, 14 Sept
DFW
Dallas
IAD
Washington
£487 Return, found 6 days ago
£487
Return
found 6 days ago
Select Alaska Airlines flight, departing Thu, 10 Sept from Dallas to Washington, returning Mon, 14 Sept, priced at £487 found 6 days ago
Alaska Airlines
Sat, 19 Sept - Sat, 26 Sept
DFW
Dallas
IAD
Washington
£488 Return, found 2 days ago
£488
Return
found 2 days ago
Select Alaska Airlines flight, departing Sat, 19 Sept from Dallas to Washington, returning Sat, 26 Sept, priced at £488 found 2 days ago

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 centre is 8 minutes. Flights from £448
DCA
Ronald Reagan Washington National
CheapestClosest
Average driving time to city centre8 min
Flights from £448

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

February is typically the cheapest month to fly

From £54 - £142 per traveller.

Frequently asked questions

How much does a flight from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?
One-way flights typically cost between £239 and £666 and return flights often range between £239 and £666. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
How do I find cheap flights from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The best airline to fly with from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.) will differ from traveller to traveller. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, Frontier Airlines typically offers the lowest fares. United Airlines offers the most daily flights from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the earliest flight from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Dallas-Fort Worth Intl. (DFW) to Washington Dulles Intl. (IAD) typically departs at approximately 12:55 AM local time, operated by Frontier Airlines. This is a seasonal service active in January and December. An early departure like this can help you maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You'll find the most flights from Dallas-Fort Worth Intl. (DFW) to Washington Dulles Intl. (IAD) on a Friday, with around 73 flights available. This gives you plenty of options for your travel plans. Compared to other days, Fridays offer notably more flight options. Major airlines on this route include United Airlines, Delta Air Lines, and American Airlines.
What are the most popular departure times for flights from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Dallas-Fort Worth Intl. (DFW) to Washington Dulles Intl. (IAD) are in the early morning, between 6am and 9am. About 26% of passengers prefer this time window. Many major carriers, including Delta Air Lines, United Airlines and Frontier Airlines, offer flights during this window. These early flights are popular because they allow you to arrive at your destination with plenty of time for business meetings or to start your day of exploring.
How do I earn miles on a Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Can I cancel or change the date of my flight from Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
If you booked your Dallas, TX (DFW-Dallas-Fort Worth Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Dallas-Fort Worth Intl.
Destination airport
Washington Dulles Intl.
Airlines serving
Alaska Airlines
Return price
£448
Distance
1872 km
Average flight time
4 hours 5 mins

Book with confidence

Compare flights from Dallas to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Dallas to Washington. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Washington Dulles Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Dallas-Fort Worth Intl. to Washington Dulles Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Dallas-Fort Worth Intl. (DFW) to Washington Dulles Intl. (IAD)

The easiest way to view the best deals on flights from Dallas to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Dallas-Fort Worth Intl. to Washington Dulles Intl. start at just £448 and range up to £488.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Dallas and Washington
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Dallas to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Dallas-Fort Worth Intl. to Washington Dulles Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Dallas to Washington easily and book with confidence

Explore a world of travel with Expedia

*Available to Expedia members.