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$71+ Cheap flights from Dulles Intl (IAD) to Dallas

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 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — DFW
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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The best prices from Washington, D.C. Dulles Intl to Dallas are usually found in October or August, booked 90 days in advance, depart on a Wednesday or Saturday and return on a Friday

Cheap flight deals from Dulles Intl to Dallas

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Dallas (A78). 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 February 20, 2025.

Round-trip from

$129
(Mytrip)

One-way from

$71
(Frontier)

Popular in

May

Cheapest in

October

Average price

$329
From Washington, D.C. Dulles Intl to Dallas
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One-way flight from Washington, D.C. Dulles Intl to Dallas
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Highest demand for flights based on searches. 5% potential increase in price ($19 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Find flight deals from Dulles Intl to Dallas

Cheapest flights from Dulles Intl to Dallas
Explore the most affordable flight options available from Dulles Intl to Dallas. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Frontier deal was found by Cheapflights users on 2/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/134:09 pmIAD - DFW
1 stop9h 32mFrontier
Thu 4/35:40 amDFW - IAD
1 stop10h 16mFrontier
Deal found 2/19$129
This United Airlines deal was found by Cheapflights users on 2/20. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1812:35 pmIAD - DFW
Nonstop3h 45mUnited Airlines
Mon 3/245:29 pmDFW - IAD
Nonstop2h 52mUnited Airlines
Deal found 2/20$238
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 3/196:18 amIAD - DFW
Nonstop3h 39mAmerican Airlines
Sun 3/237:00 amDFW - IAD
Nonstop2h 57mAmerican Airlines
Deal found 2/20$243
This KAYAK deal was found by Cheapflights users on 2/20. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/105:14 pmIAD - DFW
1 stop5h 53mDelta
Thu 3/135:30 amDFW - IAD
1 stop5h 03mDelta
Deal found 2/20$253
This Southwest deal was found by Cheapflights users on 2/20. 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 4/222:50 pmIAD - DAL
1 stop6h 45mSouthwest
Wed 5/146:00 amDAL - IAD
1 stop7h 05mSouthwest
Deal found 2/20$257
This Delta deal was found by Cheapflights users on 2/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/136:00 amIAD - DAL
1 stop6h 33mDelta
Tue 4/16:41 pmDAL - IAD
1 stop4h 50mDelta
Deal found 2/19$263
This Mytrip deal was found by Cheapflights users on 2/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/248:25 amIAD - DFW
3 stops34h 10mMultiple Airlines
Wed 3/267:00 amDFW - IAD
2 stops34h 35mMultiple Airlines
Deal found 2/20$284

Find flights from Dulles Intl to Dallas within your budget

Customize your flight search to find flights from Dulles Intl to Dallas 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Dulles Intl

Fly to

Dallas

Route

Depart

Return

Price

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Thu 3/13

4:09 pm-12:41 am

1 stop9h 32m

Dallas/Fort Worth

Thu 4/3

5:40 am-4:56 pm

1 stop10h 16m

$129

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Tue 3/18

12:35 pm-3:20 pm

Nonstop3h 45m

Dallas/Fort Worth

Mon 3/24

5:29 pm-9:21 pm

Nonstop2h 52m

$238

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Wed 3/19

6:18 am-8:57 am

Nonstop3h 39m

Dallas/Fort Worth

Sun 3/23

7:00 am-10:57 am

Nonstop2h 57m

$243

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Mon 3/10

5:14 pm-10:07 pm

1 stop5h 53m

Dallas/Fort Worth

Thu 3/13

5:30 am-11:33 am

1 stop5h 03m

$253

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Tue 4/22

2:50 pm-8:35 pm

1 stop6h 45m

Dallas Love Field

Wed 5/14

6:00 am-2:05 pm

1 stop7h 05m

$257

Washington, D.C.Dallas

IAD - DAL

IADDAL

Washington, D.C. Dulles Intl

Thu 3/13

6:00 am-11:33 am

1 stop6h 33m

Dallas Love Field

Wed 4/2

6:41 pm-12:31 am

1 stop4h 50m

$263

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Mon 3/24

8:25 am-5:35 pm

3 stops34h 10m

Dallas/Fort Worth

Wed 3/26

7:00 am-6:35 pm

2 stops34h 35m

$284

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Fri 5/9

8:01 am-7:36 pm

1 stop12h 35m

$71

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Tue 4/22

5:55 pm-8:29 pm

Nonstop3h 34m

$119

Washington, D.C.Dallas

IAD - DFW

IADDFW

Washington, D.C. Dulles Intl

Mon 3/10

5:40 pm-9:11 pm

3 stops28h 31m

$122

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 16 results
1
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Best time to book a flight from Dulles Intl to Dallas

Have a flexible travel schedule? Discover the best time to fly to Dallas from Dulles Intl 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 Dulles Intl to Dallas

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to Dallas. Price data was last updated on February 14, 2025.

To ensure you get the cheapest price possible for a flight from Washington, D.C. Dulles Intl Airport to Dallas, you should look to book at least 90 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dallas (average of $216). Flying from Washington, D.C. Dulles Intl Airport to Dallas in March is currently the most expensive (average of $295). 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 IAD to DFW?

Find hourly flight availability from Dulles Intl to Dallas. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Dallas is to remain as flexible as possible. Flights that are in the afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 20% on airfare.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to Dallas. Price data was last updated on December 16, 2024.

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

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

Explore weekly flight availability from Dulles Intl to Dallas. 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 February 20, 2025.

The most flights from IAD to A78 are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (7 on average).

Rainfall in Dallas by month

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

In terms of precipitation, rainfall in Dallas ranges from 1.9 - 4.9 inches per month. May is typically the wettest month, when rainfall can reach 4.9 in. August is typically the driest time to visit Dallas when rainfall is around 1.9 in.

Temperature in Dallas by month

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

If weather is an important factor for your trip to Dallas, 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 86.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 46.4 F).

Reviews of airlines servicing Dallas

Get insights into the airlines that provide service to Dallas. 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 Dallas. Reviews last updated February 20, 2025.
Get a feel of what it's like to fly with Southwest, Alaska Airlines and Delta from Washington, D.C. to Dallas by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to Dallas. 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 Washington, D.C. Dulles Intl Airport to Dallas round-trip?

    Cheapflights users have booked flights from Washington, D.C. Dulles Intl Airport to Dallas round-trip from $129. Other airlines that can offer you cheap pricing are United Airlines, from $238, and American Airlines, from $243. These flights start at 62% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with Frontier, which is currently one of the cheapest options available, starting at $71. United Airlines flights start at $119 while deals on American Airlines start at $126 one-way.

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

    Consider United Airlines (82%), Mesa Airlines (81%) or American Airlines (75%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Dallas.

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

    On average you can expect to pay $762 for a flight from Washington, D.C. Dulles Intl Airport to Dallas. The cheapest flight overall is $118 while the most popular route, (Washington, D.C. Dulles Intl - Dallas/Fort Worth) is currently priced at $135.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Dallas 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 Washington, D.C. Dulles Intl Airport to Dallas?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Dallas (average of $216). Flying from Washington, D.C. Dulles Intl Airport to Dallas in March is currently the most expensive (average of $295). 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

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Alternative routes for Dulles Intl to Dallas

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Dulles Intl to Dallas

Discover the top 6 airlines that operate flights from Dulles Intl to Dallas. 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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$45Average$190FlexibilityNo cancel feeOn-time65%
FrontierCheapest$81Average$186FlexibilityNo cancel feeOn-time62%
SouthwestCheapest$140Average$508FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$191Average$493FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$211Average$462FlexibilityNo cancel feeOn-time69%
DeltaCheapest$216Average$417FlexibilityNo cancel feeOn-timeN/A
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