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George Bush Intcntl

$117+ 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 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — IAH
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 April, booked 90 days in advance, depart on a Friday or Thursday 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 June 12, 2025.

Round-trip from

$217
(United Airlines)

One-way from

$117
(Trip.com)

Popular in

December

Cheapest in

September

Average price

$364

Good round-trip deal

$376 or less

Good one-way deal

$214 or less
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. 4% potential increase in price ($15 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 June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/10. 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 9/166:00 amIAD - IAH
Nonstop3h 14mUnited Airlines
Tue 9/237:50 pmIAH - IAD
Nonstop3h 05mUnited Airlines
Deal found 6/10$217
This FlightHub deal was found by Cheapflights users on 6/10. 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.
Fri 8/225:37 pmIAD - IAH
1 stop5h 49mFrontier
Sun 8/245:51 pmIAH - IAD
1 stop5h 18mFrontier
Deal found 6/10$218
This Delta deal was found by Cheapflights users on 6/9. 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.
Wed 8/67:02 amIAD - IAH
1 stop6h 00mDelta
Mon 8/111:07 pmIAH - IAD
1 stop7h 35mDelta
Deal found 6/9$237
This Mytrip deal was found by Cheapflights users on 6/10. 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 6/234:54 pmIAD - IAH
2 stops32h 17mMultiple Airlines
Fri 6/279:33 pmIAH - IAD
1 stop22h 19mMultiple Airlines
Deal found 6/10$258
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Thu 8/76:34 amIAD - IAH
1 stop11h 08mAmerican Airlines
Mon 8/118:41 amIAH - IAD
1 stop13h 15mAmerican Airlines
Deal found 6/11$273

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 June 12, 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

Thu 8/28

10:05 pm-12:17 am

Nonstop3h 12m

Houston George Bush Intcntl

Tue 9/2

7:50 pm-11:55 pm

Nonstop3h 05m

$217

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Fri 8/22

5:37 pm-10:26 pm

1 stop5h 49m

Houston George Bush Intcntl

Sun 8/24

5:51 pm-12:09 am

1 stop5h 18m

$218

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Wed 8/6

7:02 am-12:02 pm

1 stop6h 00m

Houston George Bush Intcntl

Mon 8/11

1:07 pm-9:42 pm

1 stop7h 35m

$237

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Mon 6/23

4:54 pm-12:11 am

2 stops32h 17m

Houston George Bush Intcntl

Fri 6/27

9:33 pm-8:52 pm

1 stop22h 19m

$258

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Thu 8/7

6:34 am-4:42 pm

1 stop11h 08m

Houston George Bush Intcntl

Mon 8/11

8:41 am-10:56 pm

1 stop13h 15m

$273

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Wed 7/9

6:10 am-10:37 pm

1 stop17h 27m

$117

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Tue 8/12

12:45 pm-5:25 pm

1 stop5h 40m

$119

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 8/16

3:26 pm-8:00 pm

1 stop5h 34m

$126

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 6/21

4:16 pm-11:00 pm

1 stop7h 44m

$129

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Mon 8/4

6:35 am-4:43 pm

1 stop11h 08m

$142

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 11 results
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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 navigate the busy area efficiently.

Read more about IADby Ramsey Qubein
IAH

For a quick ride to downtown Houston from IAH, Uber or Lyft are recommended, taking about 25 minutes.

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 June 9, 2025.

The best time to book flights from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport is 89 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 June 12, 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 30% 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 June 8, 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. Tuesday at noon 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 Houston George Bush Intcntl Airport

Explore weekly flight availability from Dulles Intl to George Bush Intcntl. 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 June 12, 2025.

The most flights from IAD to IAH are scheduled on a Wednesday (21 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

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 June 12, 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
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Frontier
5.9
Fair
3,295 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Entertainment

7.1

Overall

8.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, United Airlines ($217), Frontier ($218), and Delta ($237) offers the cheapest pricing from Washington, D.C. Dulles Intl Airport to Houston George Bush Intcntl Airport. These flights start at 41% 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 United Airlines, which is currently one of the cheapest options available, starting at $119. Delta flights start at $126 while deals on Frontier start at $138 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 China (82%) 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 $1,015, our data indicates the cheapest price to be $152. 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, 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
Montgomery
Humble
Conroe
Spring
The Woodlands
Tomball
Katy
Jersey Village

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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 5 airlines flying from Dulles Intl to George Bush Intcntl

Discover the top 5 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$150FlexibilityNo cancel feeOn-time65%
FrontierCheapest$110Average$200FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$202Average$369FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$234Average$418FlexibilityNo cancel feeOn-time71%
DeltaCheapest$240Average$297FlexibilityNo cancel feeOn-timeN/A

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