HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$86+ Cheap flights from Washington, D.C. (WAS) 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — IAH
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington, D.C. to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. to Houston George Bush Intcntl are usually found in September or August, booked 64 days in advance, depart on a Friday or Thursday and return on a Friday

Cheap flight deals from Washington, D.C. to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) 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 July 30, 2025.

Round-trip from

$103
(Mytrip)

One-way from

$87
(FlightHub)

Popular in

December

Cheapest in

September

Average price

$284

Good round-trip deal

$167 or less

Good one-way deal

$133 or less
From Washington, D.C. (WAS) to Houston George Bush Intcntl
Search Deals
One-way flight from Washington, D.C. (WAS) to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($16 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals
Price to beat on a round-trip flight from Washington, D.C. (WAS) to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from Washington, D.C. (WAS) to Houston George Bush Intcntl.
Search Deals

Find flight deals from Washington, D.C. to George Bush Intcntl

Cheapest flights from Washington, D.C. to George Bush Intcntl
Explore the most affordable flight options available from Washington, D.C. to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/307:05 amBWI - IAH
1 stop6h 05mSpirit Airlines
Sat 9/65:50 amIAH - BWI
1 stop8h 35mSpirit Airlines
Deal found 7/30$103
This Cheapflightsfares deal was found by Cheapflights users on 7/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/305:37 pmIAD - IAH
1 stop6h 19mFrontier
Sat 9/65:46 pmIAH - IAD
1 stop5h 09mFrontier
Deal found 7/28$186
This Frontier deal was found by Cheapflights users on 7/29. 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.
Tue 8/121:00 pmDCA - IAH
1 stop11h 49mFrontier
Sat 8/167:00 amIAH - DCA
1 stop13h 57mFrontier
Deal found 7/29$238
This Mytrip deal was found by Cheapflights users on 7/29. 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.
Wed 9/35:40 pmIAD - IAH
3 stops25h 32mMultiple Airlines
Tue 9/1612:47 pmIAH - IAD
3 stops21h 36mMultiple Airlines
Deal found 7/29$247
This JetBlue deal was found by Cheapflights users on 7/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/188:50 amDCA - IAH
1 stop8h 11mJetBlue
Sun 8/2412:23 pmIAH - DCA
1 stop6h 40mJetBlue
Deal found 7/28$251
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/138:45 amDCA - IAH
Nonstop3h 36mAmerican Airlines
Sun 9/145:05 pmIAH - DCA
Nonstop3h 11mAmerican Airlines
Deal found 7/30$276
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/2311:03 amIAD - IAH
Nonstop3h 14mUnited Airlines
Mon 8/257:50 pmIAH - IAD
Nonstop3h 05mUnited Airlines
Deal found 7/28$277
This United Airlines deal was found by Cheapflights users on 7/28. 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.
Fri 9/197:59 pmDCA - IAH
Nonstop3h 13mUnited Airlines
Sun 9/217:50 pmIAH - DCA
Nonstop3h 04mUnited Airlines
Deal found 7/28$277
This Delta deal was found by Cheapflights users on 7/29. 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.
Fri 8/226:20 pmDCA - IAH
1 stop6h 36mDelta
Sun 8/245:45 amIAH - DCA
1 stop4h 35mDelta
Deal found 7/29$297
This Trip.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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/303:59 pmDCA - IAH
Nonstop3h 25mMultiple Airlines
Mon 9/18:08 pmIAH - DCA
1 stop19h 51mMultiple Airlines
Deal found 7/30$325

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 July 30, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Houston George Bush Intcntl Airport that are best for you.

Fly from

Washington, D.C.

Fly to

George Bush Intcntl

Route

Depart

Return

Price

BaltimoreHouston

BWI - IAH

BWIIAH

Baltimore/Washington

Sat 8/30

7:05 am-12:10 pm

1 stop6h 05m

Houston George Bush Intcntl

Sat 9/6

5:50 am-3:25 pm

1 stop8h 35m

$103

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 8/30

5:37 pm-10:56 pm

1 stop6h 19m

Houston George Bush Intcntl

Sat 9/6

5:46 pm-11:55 pm

1 stop5h 09m

$186

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Tue 8/12

1:00 pm-11:49 pm

1 stop11h 49m

Houston George Bush Intcntl

Sat 8/16

7:00 am-9:57 pm

1 stop13h 57m

$238

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Wed 9/3

5:40 pm-6:12 pm

3 stops25h 32m

Houston George Bush Intcntl

Tue 9/16

12:47 pm-11:23 am

3 stops21h 36m

$247

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Mon 8/18

8:50 am-4:01 pm

1 stop8h 11m

Houston George Bush Intcntl

Sun 8/24

12:23 pm-8:03 pm

1 stop6h 40m

$251

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 9/13

8:45 am-11:21 am

Nonstop3h 36m

Houston George Bush Intcntl

Sun 9/14

5:05 pm-9:16 pm

Nonstop3h 11m

$276

Washington, D.C.Houston

IAD - IAH

IADIAH

Washington, D.C. Dulles Intl

Sat 8/23

11:03 am-1:17 pm

Nonstop3h 14m

Houston George Bush Intcntl

Mon 8/25

7:50 pm-11:55 pm

Nonstop3h 05m

$277

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 9/19

7:59 pm-10:12 pm

Nonstop3h 13m

Houston George Bush Intcntl

Sun 9/21

7:50 pm-11:54 pm

Nonstop3h 04m

$277

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Fri 8/22

6:20 pm-11:56 pm

1 stop6h 36m

Houston George Bush Intcntl

Sun 8/24

5:45 am-11:20 am

1 stop4h 35m

$297

Washington, D.C.Houston

DCA - IAH

DCAIAH

Washington, D.C. Reagan-National

Sat 8/30

3:59 pm-6:24 pm

Nonstop3h 25m

Houston George Bush Intcntl

Mon 9/1

8:08 pm-4:59 pm

1 stop19h 51m

$325

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Showing 1-10 of 25 results
1
2
3

The best insider tips for Washington, D.C. 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. to Houston George Bush Intcntl Airport trip
Airports
DCA

DCA has two parking garages; reserve online in advance as lots fill quickly. Parking Garage 1 serves Terminal 1, Garage 2 serves Terminal 2.

Read more about DCAby Emily Zemler
IAD

Security queues at IAD can be long; pay attention to which lanes support CLEAR or TSA PreCheck to save time.

Read more about IADby Ramsey Qubein
IAH

For a quick trip to Houston, Uber or Lyft from IAH takes about 25 minutes. Pick-up is available at Terminals A, B, and 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
Emily Zemler

Emily Zemler

Expert on DCA

Emily Zemler

Emily Zemler

Emily is a freelance writer and book author based in London covering entertainment and travel. Her work has appeared in Los Angeles Times, Observer, and Conde Nast Traveler She has ventured to more than 40 countries and all seven continents, always in search of a great art museum. She has written extensively about hotels, luxury travel, and aviation.

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 Washington, D.C. to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Washington, D.C. 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. to Houston George Bush Intcntl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to George Bush Intcntl. Price data was last updated on July 25, 2025.

The price you pay for your flight from Washington, D.C. to Houston George Bush Intcntl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 64 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 Washington, D.C. to Houston George Bush Intcntl Airport?

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

Find hourly flight availability from Washington, D.C. 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 July 30, 2025.

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. to Houston George Bush Intcntl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to George Bush Intcntl. Price data was last updated on July 27, 2025.

Travelers seeking maximum savings on their Washington, D.C. to Houston George Bush Intcntl Airport flight should consider departing on Thursday 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.

Weekly flight availability from Washington, D.C. to Houston George Bush Intcntl Airport

Explore weekly flight availability from Washington, D.C. 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 July 30, 2025.

The most flights from WAS to IAH are scheduled on a Monday (31 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (3 on average).

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 July 30, 2025.
Peruse reviews from past customers who have flown with Delta, United Airlines, and American Airlines from Washington, D.C. to Houston George Bush Intcntl 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.
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,980 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,896 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,048 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Frontier
5.9
Fair
3,237 reviews
Delta
8.0
Very good
7,980 reviews

Food

7.3

Boarding

8.2

Comfort

7.9

Crew

8.5

Overall

8.0

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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. to Houston George Bush Intcntl Airport round-trip?

    Currently priced at $103, Spirit Airlines will fly you from Washington, D.C. to Houston George Bush Intcntl Airport and back. In addition to Spirit Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Frontier and American Airlines - these airlines can fly you to your destination from $186 and $276, respectively. You may be able to fly from Washington, D.C. to Houston George Bush Intcntl Airport for 66% less than the average price by searching for these airlines.

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $87. However, be on the lookout for offers from Frontier and American Airlines, as they are both options that can get you from Washington, D.C. to Houston George Bush Intcntl Airport for a low price.

  • What are the most popular routes from Washington, D.C. to Houston George Bush Intcntl Airport?

    The most popular route from Washington, D.C. to Houston George Bush Intcntl Airport is Washington, D.C. Dulles Intl - Houston George Bush Intcntl. You may also consider Washington, D.C. Reagan-National - Houston George Bush Intcntl or Baltimore/Washington - Houston George Bush Intcntl.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Washington, D.C. to Houston George Bush Intcntl Airport on time: Spirit Airlines (69%), Air New Zealand (69%), Virgin Australia (66%).

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

    Looking for the cheapest flight from Washington, D.C. to Houston George Bush Intcntl Airport? While on average our users pay $821, our data indicates the cheapest price to be $47. The most popular route (Washington, D.C. Dulles Intl - Houston George Bush Intcntl), is priced around $199.

  • Can I find deals for flights from Washington, D.C. to George Bush Intcntl that include hotel bookings?

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

  • How can I find direct flights from Washington, D.C. 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 Washington, D.C. to George Bush Intcntl.

  • Can I find deals for business class flights from Washington, D.C. to George Bush Intcntl?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington, D.C. to George Bush Intcntl

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

Top 5 airlines flying from Washington, D.C. to George Bush Intcntl

Discover the top 5 airlines that operate flights from Washington, D.C. 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$95Average$178FlexibilityNo cancel feeOn-time65%
FrontierCheapest$109Average$201FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$198Average$386FlexibilityNo cancel feeOn-time69%
DeltaCheapest$228Average$330FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$234Average$361FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.