£129 Cheap United flights from Washington to Dallas (IAD→DFW)

View £129 flight on Thu, 7 May 2026Opens in a new window

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United flights from Washington to Dallas (IAD→DFW)

Prices were available within the past 7 days and start at £129 for one-way flights and £246 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, 14 May - Tue, 19 May
IAD
Washington
DFW
Dallas
£246 Return, found 5 days ago
£246
Return
found 5 days ago
Select United flight, departing Thu, 14 May from Washington to Dallas, returning Tue, 19 May, priced at £246 found 5 days ago
United
Thu, 14 May - Tue, 19 May
IAD
Washington
DFW
Dallas
£250 Return, found 5 days ago
£250
Return
found 5 days ago
Select United flight, departing Thu, 14 May from Washington to Dallas, returning Tue, 19 May, priced at £250 found 5 days ago
United
Thu, 7 May - Fri, 8 May
IAD
Washington
DFW
Dallas
£255 Return, found 5 days ago
£255
Return
found 5 days ago
Select United flight, departing Thu, 7 May from Washington to Dallas, returning Fri, 8 May, priced at £255 found 5 days ago
United
Thu, 14 May - Tue, 19 May
IAD
Washington
DFW
Dallas
£262 Return, found 5 days ago
£262
Return
found 5 days ago
Select United flight, departing Thu, 14 May from Washington to Dallas, returning Tue, 19 May, priced at £262 found 5 days ago

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

June is typically the cheapest month to fly

From £67 - £454 per traveller.

Frequently asked questions

How much is a United Airlines flight from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW)?
Make use of the "Price (lowest to highest)" filter on Expedia to find cheap United Airlines round-trip flights from £246 from IAD to DFW. Affordable one-way fares from £129 are also available.**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?
February is one of the cheapest months to jet away to Dallas with United Airlines. You could also find excellent prices on one-way and round-trip tickets in January.
Does United Airlines fly nonstop from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW)?
United Airlines operates direct flights from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW), with 21 departures each week. Just apply the "Nonstop" and "Airline" filters while searching on Expedia to find all direct United Airlines flights to DFW.
How long does it take to fly from IAD to DFW with United Airlines?
It takes approximately 3h 41m to travel nonstop from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW) with United Airlines.
Which day of the week has the most United Airlines flights from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW)?
Sunday has the most United Airlines flights from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW). With 3 daily departures, this is the best day to book something that will work for your schedule.
What airports does United Airlines fly into in Dallas?
Get on a United Airlines flight from Washington Dulles Intl. Airport (IAD) to Dallas, and you're most likely to come in to Dallas-Fort Worth Intl. Airport (DFW). This is the airline's primary hub here.
What type of plane does United Airlines fly from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW)?
United Airlines generally flies Airbus A320 planes for flights from Washington Dulles Intl. Airport (IAD) to Dallas-Fort Worth Intl. Airport (DFW). This airline also operates the Airbus A319 on this route. Keep in mind that aircraft type can change due to operational reasons, so the plane you catch might be different on your travel date.
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 add a charge after that time. For more information about modifying your flights, go to your "Trips," select your flight and click on "Manage Booking." If you want the freedom to change your plans without additional costs, tick the "No cancel fee" or "Changes included" filter when planning your next getaway.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
Dallas-Fort Worth Intl.
Airlines serving
Alaska Airlines
Popular airline
Alaska Airlines
Distance
1872 km
Average flight time
4 hours 9 mins

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