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George Bush Intcntl

$116+ 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IAH
Sep 3 — Sep 101
Thu 9/3
Thu 9/10
1 adult, Economy
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Find cheap flights from Dulles Intl to George Bush Intcntl with Cheapflights

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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 October, booked 7 days in advance, depart on a Saturday or Tuesday and return on a Friday

Cheap 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 August 4, 2026.

This Kiwi.com deal was found by Cheapflights users on 8/3. 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.
Fri 10/99:16 pm -
2 stops14h 08m
Mon 10/128:44 pm -
1 stop19h 52m
Deal found 8/3$221
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sat 9/58:39 pm -
1 stop11h 41m
Mon 9/77:55 pm -
1 stop11h 09m
Deal found 8/1$223
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Mon 8/248:39 pm -
1 stop11h 41m
Mon 8/319:58 pm -
2 stops18h 16m
Deal found 8/2$224
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Thu 10/19:04 pm -
1 stop15h 19m
Tue 10/610:09 pm -
2 stops25h 01m
Deal found 8/1$225
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Tue 9/18:39 pm -
1 stop11h 41m
Tue 9/84:32 pm -
1 stop5h 20m
Deal found 8/2$226
This Kiwi.com deal was found by Cheapflights users on 8/2. 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.
Sat 8/227:00 am -
1 stop16h 14m
Sat 9/57:55 pm -
2 stops20h 19m
Deal found 8/2$227
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Mon 8/318:39 pm -
1 stop11h 41m
Mon 9/73:25 pm -
1 stop17h 42m
Deal found 7/31$228
This Kiwi.com deal was found by Cheapflights users on 7/30. 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.
Mon 8/1712:00 pm -
2 stops27h 32m
Mon 8/246:00 am -
1 stop10h 14m
Deal found 7/30$229
This Kiwi.com deal was found by Cheapflights users on 7/31. 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.
Fri 9/48:39 pm -
1 stop11h 41m
Tue 9/86:00 am -
1 stop10h 14m
Deal found 7/31$230
This United Airlines deal was found by Cheapflights users on 7/31. 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 9/56:30 am -
Nonstop3h 14m
Mon 9/77:20 am -
Nonstop3h 08m
Deal found 7/31$231
This Kiwi.com deal was found by Cheapflights users on 8/1. 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.
Sat 8/227:00 am -
1 stop16h 14m
Sun 8/236:00 am -
1 stop10h 14m
Deal found 8/1$232

Find 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 August 4, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$221
(Kiwi.com)

One-way from

$116
(Super.com)

Popular in

July

Cheapest in

September

Average price

$471

Good round-trip deal

$465 or less

Good one-way deal

$259 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
Search Deals
Highest demand for flights based on searches. 17% potential increase in price ($85 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
Search Deals
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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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 August 4, 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 9/12

3:15 pm-7:33 pm

1 stop5h 18m

Houston George Bush Intcntl

Tue 9/15

5:40 am-11:30 am

1 stop4h 50m

$237

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Tue 9/29

12:52 pm-3:13 pm

Nonstop3h 21m

Houston George Bush Intcntl

Wed 9/30

8:20 pm-12:30 am

Nonstop3h 10m

$269

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Tue 9/1

8:31 am-10:52 am

Nonstop3h 21m

Houston George Bush Intcntl

Wed 9/2

4:45 pm-8:56 pm

Nonstop3h 11m

$307

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Tue 9/8

5:15 pm-10:05 pm

1 stop5h 50m

Houston George Bush Intcntl

Thu 9/10

2:44 pm-8:14 pm

1 stop4h 30m

$335

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Mon 11/2

5:54 pm-8:30 pm

Nonstop3h 36m

Houston George Bush Intcntl

Sun 11/8

8:38 pm-12:37 am

Nonstop2h 59m

$385

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 9/5

5:55 pm-8:18 pm

Nonstop3h 23m

Houston George Bush Intcntl

Sun 9/13

6:40 pm-10:45 pm

Nonstop3h 05m

$387

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sun 10/25

8:34 am-11:10 am

Nonstop3h 36m

Houston George Bush Intcntl

Thu 10/29

4:45 pm-8:49 pm

Nonstop3h 04m

$387

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Tue 8/25

5:30 pm-8:37 am

1 stop16h 07m

Houston George Bush Intcntl

Sat 8/29

4:45 pm-8:57 pm

Nonstop3h 12m

$412

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 8/22

5:55 pm-8:18 pm

Nonstop3h 23m

Houston George Bush Intcntl

Sun 8/30

2:40 pm-7:20 am

1 stop15h 40m

$427

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Fri 8/28

12:57 pm-3:17 pm

Nonstop3h 20m

Houston George Bush Intcntl

Mon 9/7

7:50 pm-11:55 pm

Nonstop3h 05m

$432

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 23 resultsSorted by cheapest first
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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 August.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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.

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?

The best time to book flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport is 6 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, September 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 $192). Flying from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $536). 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 August 4, 2026.

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 morning, which can drop the price by up to 6% versus a flight in the afternoon.

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 August 1, 2026.

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

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport flights typically cost between $386 and $595 in October.
The cheapest round-trip price found within the last 5 days was $221 on Frontier (Oct 9-Oct 12).

The best insider tips for Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl 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 Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport trip
Our travel experts
Evie Carrick

Evie Carrick

Expert on IAH

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

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 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 August 4, 2026.
Read through reviews of airlines operating flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport, such as United Airlines,American Airlines, andFrontier. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,059 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
10,059 reviews
United Airlines
7.4
Good
10,059 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
American Airlines
7.1
Good
11,845 reviews
United Airlines
7.4
Good
10,059 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Frontier
5.6
Fair
2,736 reviews
United Airlines
7.4
Good
10,059 reviews

Food

6.6

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

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.

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

    For as low as $269, Delta can have you in Houston George Bush Intcntl Airport from Washington, D.C. Dulles Intl Airport in 3h 21m. There are 1188 mi between Washington, D.C. Dulles Intl Airport and Houston George Bush Intcntl Airport. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, Frontier ($149), United Airlines ($248), and American Airlines ($317) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport. These flights start at 63% lower than the current average price 3 months from now.

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

    Consider Air China (89%), Avianca (84%) or United Airlines (83%) 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 $965, our data indicates the cheapest price to be $164. The most popular route (Washington, D.C. Dulles Intl - Houston George Bush Intcntl), is priced around $217.

  • 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, September 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 $192). Flying from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $536). 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 Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Katy
Conroe
The Woodlands
Spring
Jersey Village
Humble
Tomball
Cypress
Montgomery

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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.
Baltimore to Hobby flights
Dulles Intl to Hobby flights
Reagan-National to Hobby flights
Baltimore to George Bush Intcntl flights
Reagan-National to George Bush Intcntl flights

Top 3 airlines flying from Dulles Intl to George Bush Intcntl

Discover the top 3 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 August 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$149Average$191FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$248Average$479FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$317Average$476FlexibilityNo cancel feeOn-time71%

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