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

View $70 flight on Tue, Nov 18, 2025Opens in a new window

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

Prices were available within the past 7 days and start at $70 for one-way flights and $140 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Wed, Dec 3 - Tue, Dec 9
DFW
Dallas
IAD
Washington
$140 Roundtrip, found 1 hour ago
$140
Roundtrip
found 1 hour ago
Select United flight, departing Wed, Dec 3 from Dallas to Washington, returning Tue, Dec 9, priced at $140 found 1 hour ago
United
Tue, Oct 28 - Sat, Nov 1
DFW
Dallas
IAD
Washington
$151 Roundtrip, found 1 hour ago
$151
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Oct 28 from Dallas to Washington, returning Sat, Nov 1, priced at $151 found 1 hour ago
United
Sat, Nov 1 - Sat, Nov 8
DFW
Dallas
IAD
Washington
$152 Roundtrip, found 18 hours ago
$152
Roundtrip
found 18 hours ago
Select United flight, departing Sat, Nov 1 from Dallas to Washington, returning Sat, Nov 8, priced at $152 found 18 hours ago
United
Tue, Sep 16 - Sat, Sep 20
DFW
Dallas
IAD
Washington
$154 Roundtrip, found 1 hour ago
$154
Roundtrip
found 1 hour ago
Select United flight, departing Tue, Sep 16 from Dallas to Washington, returning Sat, Sep 20, priced at $154 found 1 hour ago
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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
Popular airline
Frontier Airlines
Distance
1170 mi

Frequently asked questions

How much is a United Airlines flight from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)?
Landing cheap one-way United Airlines flights from DFW to IAD from $70 on Expedia is a breeze — just filter by "Price (lowest to highest)." Or check out our budget-friendly return fares from $140 for your next break.**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 DFW to IAD with United Airlines?
Search for one-way or round-trip flights to Washington in January or February. You could find an affordable fare with United Airlines during these off-season months.
What is the cheapest time to book flights from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD) with United Airlines?
Search for cheap United Airlines flights from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD) one to three months before your day of 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 class and journey, the best day of the week to book a domestic flight is usually Sunday and the most expensive is typically Monday. Passengers who book on a Sunday can save 6% on average compared to those who book 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 Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)?
Skip the layovers and fly from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD) on one of United Airlines's 21 direct weekly flights. Make use of our "Nonstop" and "Airline" filters to find the United Airlines flight that'll land at IAD at a time that suits you.
How long does it take to fly from DFW to IAD with United Airlines?
Leave Dallas-Fort Worth Intl. Airport (DFW) for Washington Dulles Intl. Airport (IAD) on a direct United Airlines flight, and you'll be in the sky for around 2h 49m.
Which day of the week has the most United Airlines flights from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)?
If flexibility is what you're after, Friday offers the most choice for United Airlines flights from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD). You can pick from 3 different departures.
What is the earliest United Airlines flight from DFW to IAD?
The first flight from DFW to IAD with United Airlines leaves at 7:45AM UTC-6. You'll touch down at 11:32AM UTC-5. The final United Airlines flight of the day leaves at 5:35PM UTC-6 and arrives at 9:25PM UTC-5. With 20% fewer cancellations for departures before noon, heading out early is typically the best choice.**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 Washington?
When jetting off from Dallas-Fort Worth Intl. Airport (DFW) to Washington with United Airlines, you'll probably arrive at Washington Dulles Intl. Airport (IAD). This is the airline's main hub in the city. Other nearby airports like Ronald Reagan Washington National Airport (DCA) and Baltimore Washington Intl. Thurgood Marshall Airport (BWI) may offer lower fares, so it's a smart idea to check out all available options on Expedia.
Why fly with United Airlines from DFW to IAD?
A rewarding loyalty program and the ability to collect points through United Mileage Plus are the start of the reasons to jet off from DFW to IAD with United Airlines. Plus, when you join Expedia's free One Key™ program, you can receive OneKeyCash™* alongside United Airlines's loyalty program earnings. It's yours to spend on future travel plans.*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 Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)?
For the Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD) route, United Airlines typically uses Airbus A320 and Embraer 175 planes. Don't forget that last-minute changes are possible for operational purposes, so your flight may be on another aircraft.
Can I change or cancel my United Airlines flight from Dallas-Fort Worth Intl. Airport (DFW) to Washington Dulles Intl. Airport (IAD)?
Changes are usually free within 24 hours of booking, but your airline may add a charge after that time. For further information about altering your flights, check out your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to adjust your plans without being charged, tick the "Changes included" and "No cancel fee" filters when organizing your next getaway.

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