HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Dulles Intl

$80+ Cheap flights from Dallas to Dulles Intl (IAD)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/18. Fares are subject to change and may not be available on all flights or dates of travel.
DFW — IAD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dallas to Dulles Intl with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

The best prices from Dallas to Washington, D.C. Dulles Intl are usually found in January or August, booked 79 days in advance, depart on a Tuesday or Saturday and return on a Saturday

Cheap flight deals from Dallas to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Dallas (A78) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 21, 2024.

Popular in

March

Cheapest in

January

Round-trip from

$138
(CheapOair)

One-way from

$80
(Frontier)
High demand for flights, 19% potential price rise
Search Deals
Best time to find cheap flights, 16% potential price drop
Search Deals
From Dallas to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Dallas to Washington, D.C. Dulles Intl
Search Deals

Find flight deals from Dallas to Dulles Intl

Cheapest flights from Dallas to Dulles Intl
Explore the most affordable flight options available from Dallas to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This FlightHub deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/257:00 amDFW - IAD
1 stop6h 25mFrontier
Mon 1/63:24 pmIAD - DFW
1 stop22h 55mFrontier
Deal found 11/20$138
This eDestinos deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/147:25 amDFW - IAD
1 stop25h 42mMultiple Airlines
Tue 12/1710:10 pmIAD - DFW
1 stop13h 27mMultiple Airlines
Deal found 11/19$188
This American Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/146:00 amDFW - IAD
1 stop6h 10mAmerican Airlines
Sat 12/145:01 pmIAD - DFW
Nonstop3h 38mAmerican Airlines
Deal found 11/20$228
This United Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/135:40 pmDFW - IAD
Nonstop2h 45mUnited Airlines
Mon 12/168:30 amIAD - DFW
Nonstop3h 36mUnited Airlines
Deal found 11/19$249
This Delta deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/244:30 pmDFW - IAD
1 stop7h 08mDelta
Wed 1/16:00 amIAD - DFW
1 stop5h 46mDelta
Deal found 11/20$268
This Southwest deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/243:45 pmDAL - IAD
1 stop6h 15mSouthwest
Tue 1/711:10 amIAD - DAL
1 stop7h 55mSouthwest
Deal found 11/20$348
This Delta deal was found by Cheapflights users on 11/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/126:00 amDAL - IAD
1 stop9h 04mDelta
Sun 12/156:00 amIAD - DAL
1 stop6h 28mDelta
Deal found 11/21$352
This Alaska Airlines deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/122:30 pmDAL - IAD
1 stop32h 29mAlaska Airlines
Sun 12/157:00 amIAD - DAL
1 stop31h 30mAlaska Airlines
Deal found 11/20$732

Find flights from Dallas to Dulles Intl within your budget

Customize your flight search to find flights from Dallas to Dulles Intl 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, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 1/18

6:50 pm-8:16 am

1 stop12h 26m

Washington, D.C. Dulles Intl

Mon 1/20

8:15 am-9:15 pm

1 stop14h 00m

$138

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 12/14

7:25 am-10:07 am

1 stop25h 42m

Washington, D.C. Dulles Intl

Tue 12/17

10:10 pm-10:37 am

1 stop13h 27m

$188

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 12/14

6:00 am-1:10 pm

1 stop6h 10m

Washington, D.C. Dulles Intl

Sat 12/14

5:01 pm-7:39 pm

Nonstop3h 38m

$228

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Fri 12/13

5:40 pm-9:25 pm

Nonstop2h 45m

Washington, D.C. Dulles Intl

Mon 12/16

8:30 am-11:06 am

Nonstop3h 36m

$249

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Tue 12/24

4:30 pm-12:38 am

1 stop7h 08m

Washington, D.C. Dulles Intl

Wed 1/1

6:00 am-10:46 am

1 stop5h 46m

$268

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Wed 1/15

5:20 pm-12:18 am

1 stop5h 58m

Washington, D.C. Dulles Intl

Sun 2/2

7:17 am-11:24 am

1 stop5h 07m

$268

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Sat 1/11

8:15 am-6:45 pm

1 stop9h 30m

Washington, D.C. Dulles Intl

Mon 1/13

11:10 am-9:50 pm

1 stop11h 40m

$326

DallasWashington, D.C.

DAL - IAD

DALIAD

Dallas Love Field

Thu 2/13

7:29 pm-5:32 am

1 stop33h 03m

Washington, D.C. Dulles Intl

Sun 2/16

7:00 am-6:29 pm

1 stop12h 29m

$492

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Sat 1/18

6:50 pm-8:16 am

1 stop12h 26m

$80

DallasWashington, D.C.

DFW - IAD

DFWIAD

Dallas/Fort Worth

Wed 2/26

5:30 pm-9:22 pm

Nonstop2h 52m

$125

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/21

Showing 1-10 of 18 results
1
2

Best time to book a flight from Dallas to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Dallas with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from Dallas to Dulles Intl

Get recent, data-driven insights about flights from Dallas to Dulles Intl including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Dallas to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Dallas to Dulles Intl. Price data was last updated on November 15, 2024.

The price you pay for your flight from Dallas to Washington, D.C. Dulles Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 79 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Dallas to Washington, D.C. Dulles Intl Airport?

Currently, September is the cheapest month in which you can book a flight from Dallas to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Dallas to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DFW to IAD?

Find hourly flight availability from Dallas to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

When flying from Dallas to Washington, D.C. Dulles Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 45% versus a flight in the afternoon.

What is the cheapest day to fly from Dallas to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Dallas to Dulles Intl. Price data was last updated on November 18, 2024.

Travelers seeking maximum savings on their Dallas to Washington, D.C. Dulles Intl Airport flight should consider departing on Monday at noon when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Dallas to Washington, D.C. Dulles Intl Airport

Explore weekly flight availability from Dallas to Dulles Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated November 21, 2024.

The most flights from A78 to IAD are scheduled on a Tuesday (13 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

Temperature in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Dulles Intl. Reviews last updated November 21, 2024.
Read through reviews of airlines operating flights from Dallas to Washington, D.C., such as Frontier, American Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.1
Very good
5,015 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Alaska Airlines
8.0
Very good
9,458 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
8,758 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,172 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
5,015 reviews

Overall

8.1

Comfort

8.1

Crew

8.7

Entertainment

7.7

Food

7.2

Boarding

8.2

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Related info for your journey

Find useful and relevant information for your journey from Dallas to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Dallas to Washington, D.C. Dulles Intl Airport round-trip?

    Our cheapest airline available from Dallas to Washington, D.C. Dulles Intl Airport is Frontier. Our recent data shows that you can find tickets from as low as $138 on this airline. Additional options worth looking into are American Airlines and United Airlines, starting at $228 and $249 round-trip. Frontier is currently priced 57% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Dallas to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $80. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Dallas to Washington, D.C. Dulles Intl Airport for a low price.

  • What are the most reliable airlines from Dallas to Washington, D.C. Dulles Intl Airport?

    The top 3 most reliable airlines when flying from Dallas to Washington, D.C. Dulles Intl Airport are Iberia (90%), Brussels Airlines (84%) and United Airlines (84%).

  • What are the cheapest flights from Dallas to Washington, D.C. Dulles Intl Airport?

    Looking at all options, your cheapest flight can be booked for $103. While the most popular route (Dallas/Fort Worth - Washington, D.C. Dulles Intl) can be booked for $148 on average our data indicates $1,001 when flying from Dallas to Washington, D.C. Dulles Intl Airport.

  • Can I find deals for flights from Dallas to Dulles Intl that include hotel bookings?

    Yes. In addition to deals on Dallas to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dallas to Dulles Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dallas to Dulles Intl.

  • Can I find deals for business class flights from Dallas to Dulles Intl?

    Yes. Cheapflights offers flight deals from Dallas to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Dallas to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Dallas to Washington, D.C. Dulles Intl Airport (average of $300). Flying from Dallas to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $376). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Dallas to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Dallas/Fort Worth to Baltimore flights
Dallas/Fort Worth to Dulles Intl flights
Dallas/Fort Worth to Reagan-National flights
Hobby to Baltimore flights
Hobby to Reagan-National flights
George Bush Intcntl to Baltimore flights
Hobby to Dulles Intl flights
George Bush Intcntl to Dulles Intl flights
Austin to Dulles Intl flights
George Bush Intcntl to Reagan-National flights
Austin to Baltimore flights
Austin to Reagan-National flights
Love Field to Baltimore flights
San Antonio to Dulles Intl flights
Love Field to Dulles Intl flights
San Antonio to Reagan-National flights
Love Field to Reagan-National flights
San Antonio to Baltimore flights
El Paso to Dulles Intl flights
El Paso to Reagan-National flights
El Paso to Baltimore flights
McAllen to Reagan-National flights
McAllen to Dulles Intl flights
Midland to Dulles Intl flights
Amarillo to Reagan-National flights
McAllen to Baltimore flights
Midland to Baltimore flights
Amarillo to Dulles Intl flights
Lubbock to Dulles Intl flights
Killeen to Dulles Intl flights
Midland to Reagan-National flights
Corpus Christi to Dulles Intl flights
Lubbock to Baltimore flights
Corpus Christi to Reagan-National flights
Amarillo to Baltimore flights
Killeen to Reagan-National flights
Killeen to Baltimore flights
Lubbock to Reagan-National flights
College Station to Dulles Intl flights
Corpus Christi to Baltimore flights
Tyler to Dulles Intl flights
College Station to Reagan-National flights
College Station to Baltimore flights
Waco to Dulles Intl flights
Abilene to Baltimore flights
Brownsville to Dulles Intl flights
Harlingen to Baltimore flights
Harlingen to Dulles Intl flights
Waco to Reagan-National flights
Abilene to Reagan-National flights

Top 5 airlines flying from Dallas to Dulles Intl

Discover the top 5 airlines that operate flights from Dallas to Dulles Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$49Average$196FlexibilityNo cancel feeOn-time65%
FrontierCheapest$67Average$190FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$191Average$314FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$209Average$387FlexibilityNo cancel feeOn-time69%
DeltaCheapest$226Average$343FlexibilityNo cancel feeOn-timeN/A
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
View all available airlines