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Dulles Intl

$64+ Cheap flights from George Bush Intcntl (IAH) 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — IAD
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Washington, D.C. Dulles Intl are usually found in August or October, booked 74 days in advance, depart on a Friday or Monday and return on a Friday

Cheap flight deals from George Bush Intcntl to Dulles Intl

Cheapest flights from George Bush Intcntl to Dulles Intl
Explore the most affordable flight options available from George Bush Intcntl to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:00 amIAH - IAD
1 stop9h 37mFrontier
lun. 1/198:53 pmIAD - IAH
1 stop26h 04mFrontier
Deal found 12/15$224
This CheapOair deal was found by Cheapflights users on 12/14. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/186:00 amIAH - IAD
1 stop11h 16mFrontier
lun. 1/56:05 amIAD - IAH
1 stop11h 15mFrontier
Deal found 12/14$225
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/246:08 pmIAH - IAD
2 stops23h 08mFrontier
mar. 12/309:58 pmIAD - IAH
1 stop10h 56mFrontier
Deal found 12/15$248
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/256:00 amIAH - IAD
1 stop11h 16mFrontier
mar. 12/309:58 pmIAD - IAH
1 stop10h 56mFrontier
Deal found 12/15$253
This Frontier deal was found by Cheapflights users on 12/16. 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.
vie. 12/196:00 amIAH - IAD
1 stop11h 16mFrontier
mié. 1/75:42 pmIAD - IAH
1 stop5h 49mFrontier
Deal found 12/16$267
This Trip.com deal was found by Cheapflights users on 12/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 12/186:00 amIAH - IAD
1 stop11h 16mFrontier
dom. 1/116:00 amIAD - IAH
1 stop17h 31mFrontier
Deal found 12/13$270
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 12/306:00 amIAH - IAD
1 stop9h 37mMultiple Airlines
lun. 1/1910:08 pmIAD - IAH
2 stops18h 00mMultiple Airlines
Deal found 12/15$273
This Kiwi.com deal was found by Cheapflights users on 12/13. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:55 pmIAH - IAD
2 stops22h 21mMultiple Airlines
dom. 1/49:58 pmIAD - IAH
1 stop12h 17mMultiple Airlines
Deal found 12/13$279
This Kiwi.com deal was found by Cheapflights users on 12/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:55 pmIAH - IAD
2 stops22h 21mMultiple Airlines
lun. 1/57:06 pmIAD - IAH
1 stop28h 25mMultiple Airlines
Deal found 12/15$286
This Expedia deal was found by Cheapflights users on 12/15. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/316:10 amIAH - IAD
1 stop10h 37mFrontier
lun. 1/59:58 pmIAD - IAH
1 stop13h 03mFrontier
Deal found 12/15$288
This United Airlines deal was found by Cheapflights users on 12/15. 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.
mié. 12/247:50 pmIAH - IAD
Nonstop2h 59mUnited Airlines
mar. 1/66:03 amIAD - IAH
Nonstop3h 42mUnited Airlines
Deal found 12/15$289

Find flight deals from George Bush Intcntl to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 diciembre 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$134
(Kiwi.com)

One-way from

$64
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$479

Good round-trip deal

$604 or less

Good one-way deal

$350 or less
Provider with most accurate pricing for Houston George Bush Intcntl-Washington, D.C. Dulles Intl flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Washington, D.C. Dulles Intl flights.
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From Houston George Bush Intcntl to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Houston George Bush Intcntl to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($42 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Houston George Bush Intcntl to Washington, D.C. Dulles Intl.
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Price to beat on a one-way flight from Houston George Bush Intcntl to Washington, D.C. Dulles Intl.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl 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 2,558,603 searches. Data last updated diciembre 16, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

George Bush Intcntl

Fly to

Dulles Intl

Route

Depart

Return

Price

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

sáb. 1/24

12:10 pm-4:14 pm

Nonstop3h 04m

Washington, D.C. Dulles Intl

mié. 1/28

12:50 pm-3:35 pm

Nonstop3h 45m

$285

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

sáb. 1/17

5:00 am-11:46 am

1 stop5h 46m

Washington, D.C. Dulles Intl

mié. 1/21

5:45 pm-8:31 pm

Nonstop3h 46m

$295

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mié. 1/14

6:20 pm-10:18 pm

Nonstop2h 58m

Washington, D.C. Dulles Intl

mié. 1/21

12:42 pm-5:22 pm

1 stop5h 40m

$295

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

sáb. 1/17

2:30 pm-9:22 pm

1 stop5h 52m

Washington, D.C. Dulles Intl

dom. 1/18

8:15 am-11:02 am

Nonstop3h 47m

$299

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mié. 3/4

7:05 am-2:44 pm

1 stop6h 39m

Washington, D.C. Dulles Intl

jue. 3/5

7:32 pm-11:56 pm

1 stop5h 24m

$340

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mar. 1/6

4:50 pm-8:49 pm

Nonstop2h 59m

Washington, D.C. Dulles Intl

vie. 1/23

12:35 pm-3:18 pm

Nonstop3h 43m

$341

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

mié. 3/4

6:15 pm-10:16 pm

Nonstop3h 01m

Washington, D.C. Dulles Intl

vie. 3/6

10:05 pm-12:30 am

Nonstop3h 25m

$341

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

lun. 3/9

6:35 pm-10:36 pm

Nonstop3h 01m

Washington, D.C. Dulles Intl

jue. 3/19

6:00 am-8:36 am

Nonstop3h 36m

$355

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

jue. 3/26

4:40 pm-8:41 pm

Nonstop3h 01m

Washington, D.C. Dulles Intl

lun. 3/30

10:05 pm-12:29 am

Nonstop3h 24m

$355

HoustonWashington, D.C.

IAH - IAD

IAHIAD

Houston George Bush Intcntl

lun. 3/16

6:35 pm-10:36 pm

Nonstop3h 01m

Washington, D.C. Dulles Intl

mar. 3/31

8:30 am-11:02 am

Nonstop3h 32m

$355

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 19 results
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Compare providers for flights from George Bush Intcntl to Dulles Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Dulles Intl in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston George Bush Intcntl Airport-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Washington, D.C. Dulles Intl Airport flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from George Bush Intcntl to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from George Bush Intcntl 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.

Cheapflights Insights

Everything you need to know about your flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Dulles Intl. Price data was last updated on December 12, 2025.

The price you pay for your flight from Houston George Bush Intcntl Airport 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 73 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 Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport (average of $145). Flying from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $264). 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 IAH to IAD?

Find hourly flight availability from George Bush Intcntl 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 diciembre 16, 2025.

It’s optimal to fly from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport in the evening. By choosing this option you can save up to 11% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from George Bush Intcntl to Dulles Intl. Price data was last updated on December 13, 2025.

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

The best insider tips for Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport trip
Airports
IAH

Check the IAH website for security wait times to ensure a smooth departure. Both standard and TSA PreCheck lines are available.

Read more about IAHBy Evie Carrick
IAD

Use the Washington Metro Silver Line for a cost-effective trip to downtown D.C. from IAD, taking less than 40 minutes.

Read more about IADBy Ramsey Qubein
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

Evie Carrick

Evie Carrick

Evie Carrick is a writer and editor who has lived in five countries and traveled to over 50, with extensive experience flying around the world. She was born in Colorado, but has spent time flying to both coasts to visit family. She writes regularly for Travel + Leisure, BuzzFeed, and SKI and recently published seven travel journals with Simon & Schuster.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on IAD

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

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 diciembre 16, 2025.
Peruse reviews from past customers who have flown with United Airlines, American Airlines, and Spirit Airlines from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,094 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,094 reviews
United Airlines
7.4
Good
9,094 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
American Airlines
7.2
Good
11,047 reviews
United Airlines
7.4
Good
9,094 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Spirit Airlines
6.3
Okay
8,188 reviews
United Airlines
7.4
Good
9,094 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Frontier
5.8
Fair
3,082 reviews
United Airlines
7.4
Good
9,094 reviews

Overall

7.4

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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

  • How long is the flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

    Airlines like United Airlines fly from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport in about 3h 04m. The time it takes to get you to your destination is usually consistent. Houston George Bush Intcntl Airport and Washington, D.C. Dulles Intl Airport are separated by a distance of 1188 mi. All flights are typically nonstop.

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

    Our cheapest airline available from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport is Spirit Airlines. Our recent data shows that you can find tickets from as low as $63 on this airline. Additional options worth looking into are Frontier and American Airlines, starting at $123 and $236 round-trip. Spirit Airlines is priced at 83% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $55. Users have also found prices from $134 and $144 on United Airlines and Delta, respectively.

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

    Before booking your flight to Washington, D.C. Dulles Intl Airport from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: ITA Airways (100%), Air China (94%), Avianca( 87%).

  • What are the cheapest flights from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

    Looking at all options, your cheapest flight can be booked for $125. While the most popular route (Houston George Bush Intcntl - Washington, D.C. Dulles Intl) can be booked for $99 on average, our data indicates $1,067 when flying from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport.

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

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

  • How can I find direct flights from George Bush Intcntl to Dulles Intl?

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

  • Can I find deals for business class flights from George Bush Intcntl to Dulles Intl?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport?

    Currently, October is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport (average of $145). Flying from Houston George Bush Intcntl Airport to Washington, D.C. Dulles Intl Airport in February is currently the most expensive (average of $264). 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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Hanover
Silver Spring
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
National Harbor
Bowie
Largo
McLean
Clinton
Cordova

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Alternative routes for George Bush Intcntl to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Baltimore flights
Hobby to Dulles Intl flights
Hobby to Reagan-National flights
George Bush Intcntl to Baltimore flights
George Bush Intcntl to Reagan-National flights

Top 4 airlines flying from George Bush Intcntl to Dulles Intl

Discover the top 4 airlines that operate flights from George Bush Intcntl 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 2,558,603 searches. Data last updated diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$63Average$183FlexibilityNo cancel feeOn-time65%
FrontierCheapest$129Average$239FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$236Average$313FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$265Average$423FlexibilityNo cancel feeOn-time69%

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