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George Bush Intcntl

$445+ 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 8/26. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAH
Aug 5 — Aug 121
Tue 8/5
Tue 8/12
1 adult, Economy
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Cheapflights Tip: The best prices from London to Houston George Bush Intcntl are usually found in March or January, booked 77 days in advance, depart on a Tuesday or Saturday and return on a Wednesday

Cheap 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 July 31, 2025.

Round-trip from

$791
(Kiwi.com)

One-way from

$445
(Mytrip)

Popular in

August

Cheapest in

March

Average price

$1,223

Good round-trip deal

$914 or less

Good one-way deal

$923 or less
From London (LON) to Houston George Bush Intcntl
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One-way flight from London (LON) to Houston George Bush Intcntl
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Highest demand for flights based on searches. 12% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from London (LON) to Houston George Bush Intcntl.
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Price to beat on a one-way flight from London (LON) to Houston George Bush Intcntl.
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Find 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 July 31, 2025.

This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/287:20 amLHR - IAH
2 stops27h 40mMultiple Airlines
Sat 9/138:30 amIAH - LHR
1 stop15h 20mMultiple Airlines
Deal found 7/29$791
This Booking.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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/1610:00 amLGW - IAH
1 stop17h 50mMultiple Airlines
Sun 10/127:35 amIAH - LGW
1 stop16h 45mMultiple Airlines
Deal found 7/30$792
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/298:25 amLHR - IAH
1 stop32h 24mJetBlue
Fri 9/52:39 pmIAH - LHR
1 stop33h 51mJetBlue
Deal found 7/30$793
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.
Wed 9/248:45 amLCY - IAH
2 stops25h 45mMultiple Airlines
Tue 9/309:32 amIAH - LCY
3 stops27h 13mMultiple Airlines
Deal found 7/30$795
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.
Fri 8/2911:40 amSTN - IAH
3 stops26h 29mMultiple Airlines
Fri 9/55:50 amIAH - STN
2 stops22h 50mMultiple Airlines
Deal found 7/30$796
This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/298:25 amLHR - IAH
1 stop32h 24mIcelandair
Fri 9/52:39 pmIAH - LHR
1 stop33h 51mIcelandair
Deal found 7/30$799
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/29:30 amLHR - IAH
2 stops18h 44mAir Canada
Tue 9/1612:00 pmIAH - LHR
1 stop12h 35mAir Canada
Deal found 7/30$808
This Ovago 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1112:10 pmLGW - IAH
1 stop31h 30mJetBlue
Thu 9/252:35 pmIAH - LGW
1 stop13h 00mJetBlue
Deal found 7/30$809
This lol.travel 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/247:25 amLHR - IAH
1 stop15h 00mUnited Airlines
Tue 9/91:51 pmIAH - LHR
1 stop15h 34mUnited Airlines
Deal found 7/30$836
This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/46:40 amLHR - IAH
2 stops23h 16mScandinavian Airlines
Wed 9/241:15 pmIAH - LHR
2 stops23h 15mScandinavian Airlines
Deal found 7/31$838
This Lufthansa 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/248:45 amLCY - IAH
1 stop15h 05mLufthansa
Tue 9/306:20 pmIAH - LCY
1 stop16h 05mLufthansa
Deal found 7/30$911
This The Travel House 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 The Travel House is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/247:50 pmSTN - IAH
1 stop26h 45mLufthansa
Thu 10/24:45 pmIAH - STN
1 stop20h 15mLufthansa
Deal found 7/31$916

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 July 31, 2025.
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

LHR - IAH

LHRIAH

London Heathrow

Thu 8/28

7:20 am-5:00 am

2 stops27h 40m

Houston George Bush Intcntl

Sat 9/13

8:30 am-5:50 am

1 stop15h 20m

$791

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sat 8/16

10:00 am-9:50 pm

1 stop17h 50m

Houston George Bush Intcntl

Sun 10/12

7:35 am-6:20 am

1 stop16h 45m

$792

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 8/29

8:25 am-10:49 am

1 stop32h 24m

Houston George Bush Intcntl

Fri 9/5

2:39 pm-6:30 am

1 stop33h 51m

$793

LondonHouston

LCY - IAH

LCYIAH

London City

Wed 9/24

8:45 am-4:30 am

2 stops25h 45m

Houston George Bush Intcntl

Tue 9/30

9:32 am-6:45 pm

3 stops27h 13m

$795

LondonHouston

STN - IAH

STNIAH

London Stansted

Fri 8/29

11:40 am-8:09 am

3 stops26h 29m

Houston George Bush Intcntl

Fri 9/5

5:50 am-10:40 am

2 stops22h 50m

$796

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 8/29

8:25 am-10:49 am

1 stop32h 24m

Houston George Bush Intcntl

Fri 9/5

2:39 pm-6:30 am

1 stop33h 51m

$799

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 9/2

9:30 am-10:14 pm

2 stops18h 44m

Houston George Bush Intcntl

Tue 9/16

12:00 pm-6:35 am

1 stop12h 35m

$808

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 9/11

12:10 pm-1:40 pm

1 stop31h 30m

Houston George Bush Intcntl

Thu 9/25

2:35 pm-9:35 am

1 stop13h 00m

$809

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 8/24

7:25 am-4:25 pm

1 stop15h 00m

Houston George Bush Intcntl

Tue 9/9

1:51 pm-11:25 am

1 stop15h 34m

$836

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 9/4

6:40 am-11:56 pm

2 stops23h 16m

Houston George Bush Intcntl

Wed 9/24

1:15 pm-6:30 pm

2 stops23h 15m

$838

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/31

Showing 1-10 of 30 results
1
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The best insider tips for London 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 London to Houston George Bush Intcntl Airport trip
Airports
LHR

For a smooth departure from Heathrow, ensure all liquids are in one small bag to avoid long security checks.

Read more about LHRby Ramsey Qubein
IAH

For a quick exit from IAH, Uber or Lyft pickups are 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
Ramsey Qubein

Ramsey Qubein

Expert on LHR

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 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 July 25, 2025.

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 77 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, August is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of $241). Flying from London 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 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 July 31, 2025.

It’s optimal to fly from London to Houston George Bush Intcntl Airport in the afternoon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight at noon.

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 July 31, 2025.

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

How much does it cost to fly round-trip from London to Houston George Bush Intcntl Airport?

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 31, 2025.
Read through reviews of airlines operating flights from London to Houston George Bush Intcntl Airport, such as KLM, SWISS, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,383 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,686 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
United Airlines
7.4
Good
8,900 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Virgin Atlantic
7.4
Good
655 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Turkish Airlines
7.3
Good
3,933 reviews
KLM
7.8
Good
1,383 reviews

Comfort

7.7

Boarding

7.8

Food

7.3

Crew

8.4

Overall

7.8

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

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.

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

    JetBlue, at $793, was found to be the cheapest airline from London to Houston George Bush Intcntl Airport.Alternate airlines to your destination round-trip include Icelandair and Air Canada. JetBlue is currently priced 18% 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 $602. JetBlue flights start at $770 while deals on Lufthansa start at $809 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 (72%), Austrian Airlines (72%) or Brussels Airlines (72%) 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 $1,977, our data shows the cheapest flight currently is $728. When looking at the most popular route, (London Heathrow - Houston George Bush Intcntl), you can expect to pay $615 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, August is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of $241). Flying from London 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

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Top 4 airlines flying from London to George Bush Intcntl

Discover the top 4 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 July 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$759Average$1,162FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$768Average$1,003FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$830Average$1,067FlexibilityNo cancel feeOn-time76%
IberiaCheapest$982Average$1,442FlexibilityNo cancel feeOn-time77%

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