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

View AU$123 flight on Wed, 24 Sep. 2025Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, 14 Oct. - Tue, 21 Oct.
IAD
Washington
DFW
Dallas
AU$375 Return, found 3 days ago
AU$375
Return
found 3 days ago
Select American Airlines flight, departing Tue, 14 Oct. from Washington to Dallas, returning Tue, 21 Oct., priced at AU$375 found 3 days ago
Delta
Wed, 15 Oct. - Wed, 22 Oct.
IAD
Washington
DFW
Dallas
AU$382 Return, found 2 days ago
AU$382
Return
found 2 days ago
Select Delta flight, departing Wed, 15 Oct. from Washington to Dallas, returning Wed, 22 Oct., priced at AU$382 found 2 days ago
American Airlines
Wed, 15 Oct. - Wed, 22 Oct.
IAD
Washington
DFW
Dallas
AU$398 Return, found 2 days ago
AU$398
Return
found 2 days ago
Select American Airlines flight, departing Wed, 15 Oct. from Washington to Dallas, returning Wed, 22 Oct., priced at AU$398 found 2 days ago
American Airlines
Thu, 16 Oct. - Thu, 23 Oct.
IAD
Washington
DFW
Dallas
AU$402 Return, found 4 days ago
AU$402
Return
found 4 days ago
Select American Airlines flight, departing Thu, 16 Oct. from Washington to Dallas, returning Thu, 23 Oct., priced at AU$402 found 4 days ago
American Airlines
Thu, 16 Oct. - Thu, 23 Oct.
IAD
Washington
DFW
Dallas
AU$426 Return, found 4 days ago
AU$426
Return
found 4 days ago
Select American Airlines flight, departing Thu, 16 Oct. from Washington to Dallas, returning Thu, 23 Oct., priced at AU$426 found 4 days ago
American Airlines
Thu, 16 Oct. - Thu, 23 Oct.
IAD
Washington
DFW
Dallas
AU$441 Return, found 4 days ago
AU$441
Return
found 4 days ago
Select American Airlines flight, departing Thu, 16 Oct. from Washington to Dallas, returning Thu, 23 Oct., priced at AU$441 found 4 days ago
Delta
Wed, 15 Oct. - Wed, 22 Oct.
IAD
Washington
DFW
Dallas
AU$443 Return, found 2 days ago
AU$443
Return
found 2 days ago
Select Delta flight, departing Wed, 15 Oct. from Washington to Dallas, returning Wed, 22 Oct., priced at AU$443 found 2 days ago
Delta
Wed, 15 Oct. - Wed, 22 Oct.
IAD
Washington
DFW
Dallas
AU$459 Return, found 2 days ago
AU$459
Return
found 2 days ago
Select Delta flight, departing Wed, 15 Oct. from Washington to Dallas, returning Wed, 22 Oct., priced at AU$459 found 2 days ago
United
Wed, 15 Oct. - Wed, 22 Oct.
IAD
Washington
DFW
Dallas
AU$479 Return, found 2 days ago
AU$479
Return
found 2 days ago
Select United flight, departing Wed, 15 Oct. from Washington to Dallas, returning Wed, 22 Oct., priced at AU$479 found 2 days ago
Alaska Airlines
Mon, 13 Oct. - Mon, 20 Oct.
IAD
Washington
DFW
Dallas
AU$938 Return, found 4 days ago
AU$938
Return
found 4 days ago
Select Alaska Airlines flight, departing Mon, 13 Oct. from Washington to Dallas, returning Mon, 20 Oct., priced at AU$938 found 4 days ago

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

June is typically the cheapest month to fly

From AU$135 - AU$380 per traveller.

Graph displaying average flight prices per month

Flight from Washington to Dallas route information
Origin airport
Washington Dulles Intl.
Destination airport
Dallas-Fort Worth Intl.
Return price
AU$375
Distance
1872 km
Average flight time
2 hours 19 mins

Your quick guide to flights from Washington to Dallas

Pick up great flights from Washington to Dallas

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Washington to Dallas. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Washington to Dallas that take around hours.

Find cheap flights from Washington to Dallas

From the great flight deals with prices currently ranging from AU$375 to AU$938, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Washington to Dallas around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Dallas is normally in October.

Reasons to book your flight from Washington to Dallas with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Washington to Dallas across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Dallas right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Washington Dulles Intl. Airport (IAD) to DFW Airport?
Round-trip journeys between IAD and DFW Airport start from AU$375. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year — book today to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Dulles Intl. Airport to DFW Airport?
This varies from airline to airline, as each has its own set of terms and conditions. Visit the Customer Service Portal, where there are easy-to-follow instructions on how to cancel your flight online.
How do I find cheap flights from IAD to Dallas Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Dulles Intl. Airport to DFW Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Dulles Intl. Airport to DFW Airport?
It's around 1 900 kilometres between Chantilly and Dallas, so you'll be in your seat for a while. Keep yourself entertained with things like playing cards (if you're travelling with friends) or a gripping book.
Which airlines fly direct from Dulles Intl. Airport to Dallas Airport?
There are several airlines that fly directly from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW). United Airlines (UA) is a top choice, offering 86 flights every month. Another carrier operating on this route is American Airlines (AA). You'll have 60 flights each month to select from.
Are Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW) flight tickets cheaper when they're purchased at the last minute?
It is possible to nab an amazing last-minute deal from Dulles Intl. Airport to Dallas Airport, but it can also be hit-or-miss. As many airlines advertise prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares carrier prices and updates flight deals often, so you can be sure you're always seeing the latest offers.

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