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Cheap flights from Dallas/Fort Worth Airport to Washington, D.C. from $42

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Dallas/Fort Worth Airport to Washington, D.C. departing on 9/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Dallas/Fort Worth Airport to Washington, D.C.

Cheap round-trip flights

Frontier Logo
5:30 am - 9:29 amDFW-IAD
2h 59mnonstop
Frontier Logo
12:54 pm - 3:16 pmIAD-DFW
3h 22mnonstop
$79Frontier
Find Deal
Thu, Oct 9 - Sat, Oct 11
Frontier Logo
7:25 am - 11:27 amDFW-IAD
3h 02mnonstop
Frontier Logo
10:22 am - 12:39 pmIAD-DFW
3h 17mnonstop
$123Frontier
Find Deal
Sat, Aug 16 - Thu, Aug 21
Frontier Logo
8:00 am - 12:02 pmDFW-IAD
3h 02mnonstop
Frontier Logo
1:02 pm - 3:19 pmIAD-DFW
3h 17mnonstop
$125Frontier
Find Deal
Sat, Sep 13 - Sat, Sep 20
United Airlines Logo
12:10 pm - 4:12 pmDFW-IAD
3h 02mnonstop
United Airlines Logo
5:20 pm - 7:36 pmIAD-DFW
3h 16mnonstop
$134United Airlines
Find Deal
Tue, Sep 23 - Tue, Sep 23
American Airlines Logo
6:49 pm - 10:48 pmDFW-IAD
2h 59mnonstop
American Airlines Logo
5:27 pm - 8:14 pmIAD-DFW
3h 47mnonstop
$139American Airlines
Find Deal
Sat, Sep 13 - Wed, Nov 12
American Airlines Logo
6:49 pm - 10:48 pmDFW-IAD
2h 59mnonstop
American Airlines Logo
11:47 am - 2:00 pmIAD-DFW
3h 13mnonstop
$142American Airlines
Find Deal
Wed, Sep 3 - Wed, Sep 10
United Airlines Logo
12:10 pm - 4:11 pmDFW-IAD
3h 01mnonstop
United Airlines Logo
5:20 pm - 7:36 pmIAD-DFW
3h 16mnonstop
$154United Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
American Airlines Logo
3:00 pm - 6:56 pmDFW-IAD
2h 56mnonstop
American Airlines Logo
6:27 am - 8:37 amIAD-DFW
3h 10mnonstop
$155American Airlines
Find Deal
Tue, Aug 26 - Tue, Sep 2
American Airlines Logo
7:00 am - 11:01 amDFW-IAD
3h 01mnonstop
American Airlines Logo
6:27 am - 8:36 amIAD-DFW
3h 09mnonstop
$163American Airlines
Find Deal
Sat, Aug 30 - Sun, Aug 31
United Airlines Logo
7:25 am - 11:26 amDFW-IAD
3h 01mnonstop
United Airlines Logo
5:20 pm - 7:36 pmIAD-DFW
3h 16mnonstop
$168United Airlines
Find Deal
Sat, Aug 30 - Fri, Sep 5

Frontier flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

Our best Frontier deals on Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport flight tickets
Frontier
Oct 9
DFW5:30 amDallas/Fort Worth
2h 59m
IAD9:29 amWashington, D.C. Dulles Intl
Oct 11
IAD12:54 pmWashington, D.C. Dulles Intl
3h 22m
DFW3:16 pmDallas/Fort Worth
$79
Find similar
Frontier
Aug 16
DFW7:25 amDallas/Fort Worth
3h 02m
IAD11:27 amWashington, D.C. Dulles Intl
Aug 21
IAD10:22 amWashington, D.C. Dulles Intl
3h 17m
DFW12:39 pmDallas/Fort Worth
$123
Find similar
Frontier
Sep 13
DFW8:00 amDallas/Fort Worth
3h 02m
IAD12:02 pmWashington, D.C. Dulles Intl
Sep 20
IAD1:02 pmWashington, D.C. Dulles Intl
3h 17m
DFW3:19 pmDallas/Fort Worth
$125
Find similar

United Airlines flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

Our best United Airlines deals on Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Sep 23
DFW12:10 pmDallas/Fort Worth
3h 02m
IAD4:12 pmWashington, D.C. Dulles Intl
Sep 23
IAD5:20 pmWashington, D.C. Dulles Intl
3h 16m
DFW7:36 pmDallas/Fort Worth
$134
Find similar
United Airlines
Aug 27
DFW12:10 pmDallas/Fort Worth
3h 01m
IAD4:11 pmWashington, D.C. Dulles Intl
Sep 3
IAD5:20 pmWashington, D.C. Dulles Intl
3h 16m
DFW7:36 pmDallas/Fort Worth
$154
Find similar
United Airlines
Aug 30
DFW7:25 amDallas/Fort Worth
3h 01m
IAD11:26 amWashington, D.C. Dulles Intl
Sep 5
IAD5:20 pmWashington, D.C. Dulles Intl
3h 16m
DFW7:36 pmDallas/Fort Worth
$168
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 31, 2025.
Use the filters below to find and compare flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Thu 10/9

5:30 am-9:29 am

Nonstop2h 59m

Washington, D.C. Dulles Intl

Sat 10/11

12:54 pm-3:16 pm

Nonstop3h 22m

$79

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 8/16

7:25 am-11:27 am

Nonstop3h 02m

Washington, D.C. Dulles Intl

Thu 8/21

10:22 am-12:39 pm

Nonstop3h 17m

$123

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 9/13

8:00 am-12:02 pm

Nonstop3h 02m

Washington, D.C. Dulles Intl

Sat 9/20

1:02 pm-3:19 pm

Nonstop3h 17m

$125

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Tue 9/23

12:10 pm-4:12 pm

Nonstop3h 02m

Washington, D.C. Dulles Intl

Tue 9/23

5:20 pm-7:36 pm

Nonstop3h 16m

$134

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 9/13

6:49 pm-10:48 pm

Nonstop2h 59m

Washington, D.C. Dulles Intl

Wed 11/12

5:27 pm-8:14 pm

Nonstop3h 47m

$139

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Wed 9/3

6:49 pm-10:48 pm

Nonstop2h 59m

Washington, D.C. Dulles Intl

Wed 9/10

11:47 am-2:00 pm

Nonstop3h 13m

$142

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Wed 8/27

12:10 pm-4:11 pm

Nonstop3h 01m

Washington, D.C. Dulles Intl

Wed 9/3

5:20 pm-7:36 pm

Nonstop3h 16m

$154

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Tue 8/26

3:00 pm-6:56 pm

Nonstop2h 56m

Washington, D.C. Dulles Intl

Tue 9/2

6:27 am-8:37 am

Nonstop3h 10m

$155

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 8/30

7:00 am-11:01 am

Nonstop3h 01m

Washington, D.C. Dulles Intl

Sun 8/31

6:27 am-8:36 am

Nonstop3h 09m

$163

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 8/30

7:25 am-11:26 am

Nonstop3h 01m

Washington, D.C. Dulles Intl

Fri 9/5

5:20 pm-7:36 pm

Nonstop3h 16m

$168

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, August is the cheapest month to fly from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $218. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of August, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $227.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Friday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $377. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport for around $731.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Dallas/Fort Worth Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as $311 when looking at flights departing in the evening. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $986 on average. Flights to Washington, D.C. Dulles Intl Airport from Dallas/Fort Worth Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Dallas/Fort Worth to Washington, D.C. Dulles Intl flight route?

Fly from Dallas/Fort Worth to Washington, D.C. Dulles Intl for the best Dallas/Fort Worth - Washington, D.C. Dulles Intl flight prices

How far in advance should I book a flight to Washington, D.C. Dulles Intl Airport?

You are more likely to see cheaper flights to Washington, D.C. Dulles Intl Airport from Dallas/Fort Worth Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Washington, D.C. Dulles Intl Airport for around $285 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Washington, D.C. Dulles Intl Airport from Dallas/Fort Worth Airport for as low as $202 on momondo.

What cabin class options are available on Dallas/Fort Worth to Washington, D.C. Dulles Intl flights?

There are 4 cabin classes available to choose from on Dallas/Fort Worth to Washington, D.C. Dulles Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport flight prices changed over time?

As of July 2025, prices for Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport flights are approximately 29% cheaper when compared to flights at the same time last year.

When to book flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport (DFW to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

Best Price Found

$42

Fastest flight time

2h 44m

Direct flights

Every day
The best one-way flight to Washington, D.C. Dulles Intl Airport from Dallas/Fort Worth Airport in the past 72 hours is $42. The best round-trip flight deal from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $79.
The fastest flight from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport takes 2h 44m
Direct flights go from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport every day.
Search flight deals

  • How far is Dallas/Fort Worth to Washington, D.C. Dulles Intl by plane?

    A flight from Dallas/Fort Worth to Washington, D.C. Dulles Intl will travel around 1169.3 mi. A reasonable flight in good conditions will take 2h 45m.

  • When did momondo last update prices for flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?

  • What is the most popular airline from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $85Free CancellationRating
5.9
3,239 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $107Free CancellationRating
6.3
8,049 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $158Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $195Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
DeltaPriceFrom $236Free CancellationRating
8.0
7,981 reviews
Search Delta flights

  • United Airlines Flights From Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

    United Airlines is one of the most popular airlines flying from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport, operating 21 flights/week on average for this route. A good United Airlines flight deal for Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport starts from $195 round-trip, up to an average price of $365. Our users have rated United Airlines at 7.4/10.

  • American Airlines Flights From Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport

    Across 10,000 American Airlines reviews on momondo, the average score is 7.2/10. American Airlines flies from Dallas/Fort Worth Airport to Washington, D.C. Dulles Intl Airport about 9 times each week, with ticket deals ranging from $158 to $300. Price data is based on momondo searches in the last 72 hours.

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Harpers Ferry
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie

Why use momondo?

Why should I use momondo to find a flight deal from Dallas to Washington, D.C.?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Dallas to Washington, D.C. for you.

Can I find flights from Dallas to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Dallas to Washington, D.C. flights to just show those with flexible booking policies.

How can momondo help me find flights from Dallas to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Dallas to Washington, D.C..

I’m not ready to book a flight from Dallas to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Dallas to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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