$70 Cheap United flights Washington (IAD) to Dallas (DFW)

View $70 flight on Sat, Nov 8, 2025Opens in a new window

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$70 Cheap United flights Washington (IAD) to Dallas (DFW)

Prices were available within the past 7 days and start at $70 for one-way flights and $139 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, Sep 13 - Tue, Sep 16
IAD
Washington
DFW
Dallas
$139 Roundtrip, just found
$139
Roundtrip
just found
Select United flight, departing Sat, Sep 13 from Washington to Dallas, returning Tue, Sep 16, priced at $139 just found
United
Tue, Oct 21 - Tue, Oct 28
IAD
Washington
DFW
Dallas
$158 Roundtrip, found 4 hours ago
$158
Roundtrip
found 4 hours ago
Select United flight, departing Tue, Oct 21 from Washington to Dallas, returning Tue, Oct 28, priced at $158 found 4 hours ago
United
Tue, Oct 21 - Wed, Oct 29
IAD
Washington
DFW
Dallas
$159 Roundtrip, found 2 hours ago
$159
Roundtrip
found 2 hours ago
Select United flight, departing Tue, Oct 21 from Washington to Dallas, returning Wed, Oct 29, priced at $159 found 2 hours ago
United
Tue, Sep 9 - Sat, Sep 13
IAD
Washington
DFW
Dallas
$162 Roundtrip, found 11 hours ago
$162
Roundtrip
found 11 hours ago
Select United flight, departing Tue, Sep 9 from Washington to Dallas, returning Sat, Sep 13, priced at $162 found 11 hours ago
United
Wed, Oct 1 - Sat, Oct 11
IAD
Washington
DFW
Dallas
$163 Roundtrip, found 23 hours ago
$163
Roundtrip
found 23 hours ago
Select United flight, departing Wed, Oct 1 from Washington to Dallas, returning Sat, Oct 11, priced at $163 found 23 hours ago
United
Wed, Oct 1 - Sat, Oct 4
IAD
Washington
DFW
Dallas
$164 Roundtrip, found 2 hours ago
$164
Roundtrip
found 2 hours ago
Select United flight, departing Wed, Oct 1 from Washington to Dallas, returning Sat, Oct 4, priced at $164 found 2 hours ago
Flights from Washington (IAD) to Dallas (DFW)
Origin airport
Washington Dulles Intl.
Destination airport
Dallas-Fort Worth Intl.
Airlines serving
Alaska Airlines, American Airlines, Delta, Frontier Airlines, United
Popular airline
Frontier Airlines
Distance
1170 mi
Average flight time
2 hours 16 mins

Frequently asked questions

How much is a United Airlines flight from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW)?
Finding cheap one-way United Airlines flights from IAD to DFW from $70 on Expedia is easy — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $139 for your next exciting getaway.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAD to DFW with United Airlines?
Search for one-way or return flights to Dallas in February or January. You could find an affordable fare with United Airlines during these off-peak months.
What is the cheapest time to book flights from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW) with United Airlines?
Search for affordable United Airlines flights from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW) one to three months before your departure. Travelers who book domestic flights 34 to 86 days in advance can save 25% compared to those who book just 6 to 12 days ahead. No matter the fare type and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive day is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book their travel on a Monday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC's global airline sales database.
Does United Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW)?
United Airlines has direct flights from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW), with 21 weekly departures. Simply select the "Nonstop" and "Airline" filters during your search on Expedia to show all direct United Airlines flights to DFW.
How long does it take to fly from IAD to DFW with United Airlines?
From takeoff till touchdown, a nonstop United Airlines flight from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW) typically takes 3h 41m.
Which day of the week has the most United Airlines flights from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW)?
United Airlines operates the most flights from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW) on Sunday. With up to 3 daily departures, you'll get the most options and flexibility on this day.
What is the earliest United Airlines flight from IAD to DFW?
The earliest United Airlines flight from IAD to DFW departs at 8:30AM UTC-5, arriving at 11:22AM UTC-6. If you'd like to jet off later in the day, the last United Airlines flight leaves IAD at 6:10PM UTC-5 and lands at DFW at 9:02PM UTC-6. Flying before midday is often a good idea as morning flights tend to experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports does United Airlines fly into in Dallas?
Dallas-Fort Worth Intl. Airport (DFW) is the main Dallas hub for United Airlines flights from Washington Dulles Intl. Airport (IAD).
Why fly with United Airlines from IAD to DFW?
Depart from IAD to DFW with United Airlines and enjoy a host of benefits including a rewarding loyalty program. When booking through Expedia as a United Mileage Plus and One Key™ member, you may also earn OneKeyCash™* to spend on select future travel purchases.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.
What type of plane does United Airlines fly from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW)?
You'll likely be seated on an Airbus A320 or an Airbus A319 when flying United Airlines from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW). However, keep in mind that a different aircraft may be assigned depending on operational requirements.
Can I change or cancel my United Airlines flight from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW)?
Changes are generally free within 24 hours of making a booking, but your airline may charge a fee after that. For more information about altering your flights, head to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your itinerary without extra charges, check the "No cancel fee" or "Changes included" filter when planning your next getaway.

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