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George Bush Intcntl

$436+ Cheap flights from London (LON) 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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAH
Mar 23 — Mar 301
Mon 3/23
Mon 3/30
1 adult, Economy
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Find cheap flights from London to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from London to Houston George Bush Intcntl are usually found in January or September, booked 63 days in advance, depart on a Sunday or Thursday and return on a Wednesday

Cheap flight deals from London to George Bush Intcntl

Cheapest flights from London to George Bush Intcntl
Explore the most affordable flight options available from London to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 21, 2026.

This Mytrip deal was found by Cheapflights users on 2/21. 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 3/76:00 am
LHR
-
IAH
2 stops24h 30m
Multiple Airlines
Wed 3/114:34 pm
IAH
-
LHR
2 stops24h 06m
Multiple Airlines
Deal found 2/21$717
This Kiwi.com deal was found by Cheapflights users on 2/21. 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 3/162:00 pm
LGW
-
IAH
2 stops25h 24m
Multiple Airlines
Sat 4/47:47 am
IAH
-
LGW
1 stop20h 13m
Multiple Airlines
Deal found 2/21$719
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 3/162:00 pm
LGW
-
IAH
1 stop25h 18m
Multiple Airlines
Tue 4/711:15 am
IAH
-
LGW
1 stop16h 45m
Multiple Airlines
Deal found 2/20$720
This Mytrip deal was found by Cheapflights users on 2/20. 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 3/76:40 am
LHR
-
IAH
3 stops22h 29m
Multiple Airlines
Tue 3/175:45 am
IAH
-
LHR
3 stops33h 10m
Multiple Airlines
Deal found 2/20$720
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 3/78:30 am
LGW
-
IAH
2 stops21h 29m
Multiple Airlines
Tue 3/177:19 pm
IAH
-
LGW
1 stop29h 41m
Multiple Airlines
Deal found 2/20$722
This Mytrip deal was found by Cheapflights users on 2/18. 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 4/136:40 am
LHR
-
IAH
3 stops21h 57m
Multiple Airlines
Mon 4/277:35 am
IAH
-
LHR
3 stops23h 20m
Multiple Airlines
Deal found 2/18$723
This Mytrip deal was found by Cheapflights users on 2/21. 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.
Tue 3/38:30 am
LGW
-
IAH
2 stops21h 29m
Multiple Airlines
Tue 3/2411:15 am
IAH
-
LGW
1 stop17h 45m
Multiple Airlines
Deal found 2/21$725
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 9/12:00 pm
LGW
-
IAH
1 stop14h 19m
Multiple Airlines
Tue 9/2212:55 pm
IAH
-
LGW
2 stops17h 45m
Multiple Airlines
Deal found 2/19$728
This Kiwi.com deal was found by Cheapflights users on 2/18. 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.
Wed 3/42:50 pm
LHR
-
IAH
1 stop27h 55m
Multiple Airlines
Sat 3/217:05 am
IAH
-
LHR
2 stops29h 25m
Multiple Airlines
Deal found 2/18$728
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 3/122:00 pm
LGW
-
IAH
2 stops26h 45m
Multiple Airlines
Sat 3/218:19 am
IAH
-
LGW
1 stop20h 46m
Multiple Airlines
Deal found 2/18$731
This Kiwi.com deal was found by Cheapflights users on 2/19. 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 3/122:00 pm
LGW
-
IAH
1 stop25h 18m
Multiple Airlines
Thu 3/199:15 pm
IAH
-
LGW
1 stop31h 45m
Multiple Airlines
Deal found 2/19$732
This Kiwi.com deal was found by Cheapflights users on 2/20. 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 4/161:05 pm
LGW
-
IAH
2 stops24h 54m
Multiple Airlines
Fri 4/247:05 am
IAH
-
LGW
1 stop17h 15m
Multiple Airlines
Deal found 2/20$733

Find flight deals from London to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 February 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$717
(Mytrip)

One-way from

$436
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$1,003

Good round-trip deal

$781 or less

Good one-way deal

$858 or less
Provider with most accurate pricing for London (LON)-Houston George Bush Intcntl flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Houston George Bush Intcntl flights.
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From London (LON) to Houston George Bush Intcntl
Search Deals
One-way flight from London (LON) to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($17 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals
Price to beat on a round-trip flight from London (LON) to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from London (LON) to Houston George Bush Intcntl.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from London 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 February 21, 2026.
Use the filters below to find and compare flights from London to Houston George Bush Intcntl Airport that are best for you.

Fly from

London

Fly to

George Bush Intcntl

Route

Depart

Return

Price

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sun 3/8

1:00 pm-3:41 pm

2 stops31h 41m

Houston George Bush Intcntl

Tue 3/24

12:46 pm-10:00 am

1 stop16h 14m

$734

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 3/12

2:00 pm-11:45 am

2 stops26h 45m

Houston George Bush Intcntl

Tue 3/24

12:46 pm-10:00 am

1 stop16h 14m

$765

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 3/12

2:00 pm-11:45 am

2 stops26h 45m

Houston George Bush Intcntl

Mon 3/23

4:30 pm-10:00 am

1 stop12h 30m

$804

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 3/18

1:00 pm-3:27 pm

1 stop31h 27m

Houston George Bush Intcntl

Wed 3/25

9:15 pm-10:00 am

1 stop31h 45m

$827

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Mon 4/13

2:00 pm-10:18 am

1 stop26h 18m

Houston George Bush Intcntl

Mon 4/27

9:32 am-10:00 am

1 stop18h 28m

$833

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 5/7

1:05 pm-8:08 am

2 stops25h 03m

Houston George Bush Intcntl

Mon 5/11

9:32 am-10:00 am

1 stop18h 28m

$859

LondonHouston

STN - IAH

STNIAH

London Stansted

Tue 4/14

6:15 am-7:10 pm

1 stop18h 55m

Houston George Bush Intcntl

Mon 4/20

2:30 pm-10:10 pm

1 stop25h 40m

$916

LondonHouston

STN - IAH

STNIAH

London Stansted

Sat 6/27

10:50 am-7:10 pm

1 stop38h 20m

Houston George Bush Intcntl

Wed 7/1

9:05 pm-4:40 pm

1 stop37h 35m

$930

LondonHouston

STN - IAH

STNIAH

London Stansted

Tue 6/23

6:15 am-7:10 pm

1 stop18h 55m

Houston George Bush Intcntl

Fri 7/17

9:05 pm-10:10 pm

1 stop19h 05m

$938

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Fri 5/29

2:00 pm-10:30 pm

1 stop14h 30m

Houston George Bush Intcntl

Mon 6/15

9:32 am-10:00 am

1 stop18h 28m

$940

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/17

Showing 1-10 of 60 results
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Compare providers for flights from London 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 London to George Bush Intcntl in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars
OvagoPrice Accuracy2 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 London-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 London-Houston George Bush Intcntl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Houston George Bush Intcntl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-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 London-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 London to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from London 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 London to Houston George Bush Intcntl Airport

How far ahead should I book a flight from London to Houston George Bush Intcntl Airport?

Use this chart to determine the optimal time to book a round-trip flight from London to George Bush Intcntl. Price data was last updated on February 20, 2026.

To ensure you get the cheapest price possible for a flight from London to Houston George Bush Intcntl Airport, you should look to book at least 63 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London to Houston George Bush Intcntl Airport?

Currently, January is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of $518). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $917). 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 LON to IAH?

Find hourly flight availability from London 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 February 21, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London to Houston George Bush Intcntl Airport as you normally would.

Weekly flight availability from London to Houston George Bush Intcntl Airport

Explore weekly flight availability from London 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 February 21, 2026.

The most flights from LON to IAH are scheduled on a Saturday (22 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (17 on average).

How often are flights from London to Houston delayed?

About 14% of weekly flights between London and Houston have experienced delays in the past year, with the average delay time being 148 minutes.

What is the most punctual flight time for London to Houston flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Thursday tends to have the lowest number of delays on this route, whereas Wednesday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on London to Houston flights?

Over the last year, United Airlines have had the lowest number of delays on this route, with just 11% of flights being delayed.

The best insider tips for London 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 London 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 LHR

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 February 21, 2026.
Read through reviews of airlines operating flights from London to Houston George Bush Intcntl Airport, such as United Airlines, Brussels Airlines, and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,341 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sep 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
United Airlines
7.4
Good
9,341 reviews
United Airlines
7.4
Good
9,341 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sep 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Brussels Airlines
7.2
Good
387 reviews
United Airlines
7.4
Good
9,341 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sep 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
Lufthansa
6.8
Okay
7,802 reviews
United Airlines
7.4
Good
9,341 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sep 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.
British Airways
6.7
Okay
7,757 reviews
United Airlines
7.4
Good
9,341 reviews

Food

6.6

Crew

8.1

Boarding

7.7

Entertainment

7.1

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Tim,Sep 2025

LHR - IAD

The premium economy seats were very comfortable and the attention and service by the flight attendants was superb.

Related info for your journey

Find useful and relevant information for your journey from London 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 London to Houston George Bush Intcntl Airport?

    Airlines like Turkish Airlines, United Airlines, and Virgin Atlantic fly from London to Houston George Bush Intcntl Airport in about 18h 28m. The time it takes to get you to your destination can typically vary by up to 4h 32m. Airlines will cover a distance of 4820 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Houston George Bush Intcntl Airport round-trip?

    JetBlue, at $241, was found to be the cheapest airline from London to Houston George Bush Intcntl Airport.Alternate airlines to your destination round-trip include Lufthansa and Austrian Airlines. JetBlue is currently priced 75% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from London to Houston George Bush Intcntl Airport one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at $543. Aer Lingus flights start at $671 while deals on Iberia start at $697 one-way.

  • What are the most popular routes from London to Houston George Bush Intcntl Airport?

    The most popular flight routes from London to Houston George Bush Intcntl Airport are London Heathrow - Houston George Bush Intcntl, London Gatwick - Houston George Bush Intcntl and London City - Houston George Bush Intcntl.

  • What are the most reliable airlines from London to Houston George Bush Intcntl Airport?

    Consider Air Canada (85%), Austrian Airlines (85%) or Brussels Airlines (85%) when booking your flight. These represent the most reliable airlines when flying from London to Houston George Bush Intcntl Airport.

  • What are the cheapest flights from London to Houston George Bush Intcntl Airport?

    While on average a flight from London to Houston George Bush Intcntl Airport is generally $1,531, our data shows the cheapest flight currently is $563. When looking at the most popular route, (London Heathrow - Houston George Bush Intcntl), you can expect to pay $678 for that flight.

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

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

  • How can I find direct flights from London 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 London to George Bush Intcntl.

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

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

    Currently, January is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of $518). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of $917). 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
Katy
The Woodlands
Spring
Humble
Tomball
Conroe
Jersey Village
Cypress

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Top 6 airlines flying from London to George Bush Intcntl

Discover the top 6 airlines that operate flights from London 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 February 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$241Average$876FlexibilityNo cancel feeOn-time62%
LufthansaCheapest$577Average$1,074FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$695Average$1,193FlexibilityNo cancel feeOn-time78%
American AirlinesCheapest$785Average$1,085FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$809Average$1,015FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$820Average$1,101FlexibilityNo cancel feeOn-time69%

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