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George Bush Intcntl

$100+ Cheap flights from Dulles Intl (IAD) to George Bush Intcntl (IAH)

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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IAH
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. Dulles Intl to Houston George Bush Intcntl are usually found in September or November, booked 63 days in advance, depart on a Thursday or Friday and return on a Friday

Cheap flight deals from Dulles Intl to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to George Bush Intcntl (IAH). 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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$187
(Delta)

One-way from

$100
(Mytrip)

Popular in

March

Cheapest in

September

Average price

$452

Good round-trip deal

$385 or less

Good one-way deal

$180 or less
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Houston George Bush Intcntl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Houston George Bush Intcntl flights.
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From Washington, D.C. Dulles Intl to Houston George Bush Intcntl
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One-way flight from Washington, D.C. Dulles Intl to Houston George Bush Intcntl
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Highest demand for flights based on searches. 8% potential increase in price ($33 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Washington, D.C. Dulles Intl to Houston George Bush Intcntl.
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Price to beat on a one-way flight from Washington, D.C. Dulles Intl to Houston George Bush Intcntl.
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Find flight deals from Dulles Intl to George Bush Intcntl

Cheapest flights from Dulles Intl to George Bush Intcntl
Explore the most affordable flight options available from Dulles Intl to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Delta deal was found by Cheapflights users on 3/27. 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.
Sat 4/1912:29 pmIAD - IAH
1 stop8h 01mDelta
Wed 4/236:00 amIAH - IAD
1 stop4h 23mDelta
Deal found 3/27$187
This American Airlines deal was found by Cheapflights users on 3/27. 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 4/234:52 pmIAD - IAH
2 stops7h 51mAmerican Airlines
Sat 4/266:44 amIAH - IAD
1 stop5h 58mAmerican Airlines
Deal found 3/27$192
This Frontier deal was found by Cheapflights users on 3/27. 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 5/19:14 amIAD - IAH
1 stop10h 18mFrontier
Sat 5/38:17 amIAH - IAD
1 stop7h 17mFrontier
Deal found 3/27$198
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Thu 5/15:40 pmIAD - IAH
3 stops25h 59mMultiple Airlines
Tue 5/61:29 pmIAH - IAD
3 stops20h 51mMultiple Airlines
Deal found 3/27$261
This United Airlines deal was found by Cheapflights users on 3/28. 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.
Sat 4/1910:12 pmIAD - IAH
Nonstop3h 27mUnited Airlines
Tue 4/227:51 pmIAH - IAD
Nonstop3h 08mUnited Airlines
Deal found 3/28$269

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to George Bush Intcntl 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 March 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Dulles Intl

Fly to

George Bush Intcntl

Route

Depart

Return

Price

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 4/19

12:29 pm-7:30 pm

1 stop8h 01m

Houston George Bush Intcntl

Wed 4/23

6:00 am-11:23 am

1 stop4h 23m

$187

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Wed 4/23

4:52 pm-11:43 pm

2 stops7h 51m

Houston George Bush Intcntl

Sat 4/26

6:44 am-1:42 pm

1 stop5h 58m

$192

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Thu 5/1

9:14 am-6:32 pm

1 stop10h 18m

Houston George Bush Intcntl

Sat 5/3

8:17 am-4:34 pm

1 stop7h 17m

$198

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Thu 5/1

5:40 pm-6:39 pm

3 stops25h 59m

Houston George Bush Intcntl

Tue 5/6

1:29 pm-11:20 am

3 stops20h 51m

$261

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 4/19

10:12 pm-12:39 am

Nonstop3h 27m

Houston George Bush Intcntl

Tue 4/22

7:51 pm-11:59 pm

Nonstop3h 08m

$269

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Tue 4/29

5:40 pm-6:39 pm

3 stops25h 59m

$100

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Wed 5/14

5:02 am-12:49 pm

2 stops8h 47m

$104

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Thu 4/24

9:08 am-6:19 pm

1 stop10h 11m

$105

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sun 4/20

6:00 am-10:54 am

1 stop5h 54m

$114

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sun 4/27

6:09 am-8:35 am

Nonstop3h 26m

$135

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 12 results
1
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Compare providers for flights from Dulles Intl to George Bush Intcntl

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 Dulles Intl to George Bush Intcntl in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapTicketsDealPrice 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 Washington, D.C. Dulles Intl Airport-Houston George Bush Intcntl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Houston George Bush Intcntl Airport flights, Cheapflights users trust FlightHub the most. FlightHub 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 Washington, D.C. Dulles Intl Airport-Houston George Bush Intcntl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport trip
Airports
IAD

Check-in at IAD can be crowded in the afternoon and evening. Arrive early to avoid long lines and ensure a smooth departure.

Read more about IADby Ramsey Qubein
IAH

For a quick ride to downtown Houston from IAH, Uber or Lyft is recommended, taking about 25 minutes from Terminals A, B, or C.

Read more about IAHby Evie Carrick
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

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

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

Cheapflights Insights

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dulles Intl to George Bush Intcntl. Price data was last updated on March 21, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport is 63 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport (average of $241). Flying from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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 IAH?

Find hourly flight availability from Dulles Intl to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 2025.

When flying from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 33% versus a flight at noon.

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

Use this chart to determine the cheapest time to fly round-trip from Dulles Intl to George Bush Intcntl. Price data was last updated on March 23, 2025.

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

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 3.2 in.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. 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 George Bush Intcntl. Reviews last updated March 28, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines from Washington, D.C. to Houston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,896 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Frontier
6.0
Okay
3,271 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Boarding

8.2

Food

7.1

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl to George Bush Intcntl. 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 Houston George Bush Intcntl Airport round-trip?

    According to our current data, Delta ($187), American Airlines ($192), and Frontier ($198) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport. These flights start at 50% 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 Houston George Bush Intcntl Airport one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $104. Frontier flights start at $105 while deals on Delta start at $114 one-way.

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

    Consider Emirates (84%), Avianca (83%) or Air New Zealand (80%) when booking your flight. These represent the most reliable airlines when flying from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport.

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

    Looking for the cheapest flight from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport? While on average our users pay $1,153, our data indicates the cheapest price to be $135. The most popular route (Washington, D.C. Dulles Intl - Houston George Bush Intcntl), is priced around $186.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport (average of $241). Flying from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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
Conroe
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Alternative routes for Dulles Intl to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Dulles Intl to George Bush Intcntl

Discover the top 4 airlines that operate flights from Dulles Intl to George Bush Intcntl. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$163FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$218Average$374FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$234Average$384FlexibilityNo cancel feeOn-time71%
DeltaCheapest$240Average$292FlexibilityNo cancel feeOn-timeN/A
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