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George Bush Intcntl

$356+ 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 6/18. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAH
jun. 17 — jun. 241
mar. 6/17
mar. 6/24
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 September, booked 77 days in advance, depart on a Sunday or Tuesday 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 junio 12, 2025.

Round-trip from

$697
(Mytrip)

One-way from

$356
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$930

Good round-trip deal

$811 or less

Good one-way deal

$742 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. 11% potential increase in price ($120 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($26 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 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 junio 12, 2025.

This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 8/2210:00 amLGW - IAH
1 stop17h 00mMultiple Airlines
jue. 9/411:02 pmIAH - LGW
1 stop29h 53mMultiple Airlines
Deal found 6/11$697
This The Travel House deal was found by Cheapflights users on 6/12. 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.
vie. 8/298:25 amLHR - IAH
1 stop32h 13mIcelandair
lun. 9/82:39 pmIAH - LHR
1 stop33h 51mIcelandair
Deal found 6/12$700
This Booking.com 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/67:05 amLHR - IAH
3 stops23h 14mMultiple Airlines
lun. 10/205:00 amIAH - LHR
2 stops27h 35mMultiple Airlines
Deal found 6/10$701
This ChecknFly 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/412:10 pmLGW - IAH
1 stop31h 33mIcelandair
dom. 9/142:39 pmIAH - LGW
1 stop12h 56mIcelandair
Deal found 6/10$707
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/228:25 amLHR - IAH
1 stop35h 18mJetBlue
mié. 11/512:15 pmIAH - LHR
1 stop11h 40mJetBlue
Deal found 6/11$760
This The Travel House deal was found by Cheapflights users on 6/12. 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.
sáb. 11/226:40 amLHR - IAH
2 stops23h 16mScandinavian Airlines
sáb. 12/61:15 pmIAH - LHR
2 stops20h 45mScandinavian Airlines
Deal found 6/12$797
This Cheapflightsfares deal was found by Cheapflights users on 6/12. 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.
mar. 8/262:50 pmLHR - IAH
Nonstop10h 25mBritish Airways
mar. 9/163:30 pmIAH - LHR
Nonstop9h 10mBritish Airways
Deal found 6/12$800
This ChecknFly 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/69:30 amLHR - IAH
2 stops29h 06mLufthansa
sáb. 9/204:50 pmIAH - LHR
1 stop12h 35mLufthansa
Deal found 6/10$801
This ChecknFly 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 ChecknFly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/26:10 pmLHR - IAH
2 stops34h 22mFinnair
mié. 9/102:27 pmIAH - LHR
1 stop12h 33mFinnair
Deal found 6/11$837
This American Airlines deal was found by Cheapflights users on 6/12. 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.
mié. 9/243:00 pmLHR - IAH
1 stop13h 00mAmerican Airlines
jue. 10/26:39 pmIAH - LHR
1 stop11h 36mAmerican Airlines
Deal found 6/12$848
This American Airlines deal was found by Cheapflights users on 6/12. 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.
mié. 11/1212:30 pmLGW - IAH
2 stops16h 34mAmerican Airlines
mié. 11/1911:27 amIAH - LGW
2 stops15h 33mAmerican Airlines
Deal found 6/12$853
This TravelUp 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 11/1812:10 pmLHR - IAH
1 stop16h 36mVirgin Atlantic
mar. 12/211:50 amIAH - LHR
2 stops13h 05mVirgin Atlantic
Deal found 6/11$857

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 junio 12, 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

LGW - IAH

LGWIAH

London Gatwick

vie. 8/22

10:00 am-9:00 pm

1 stop17h 00m

Houston George Bush Intcntl

jue. 9/4

11:02 pm-10:55 am

1 stop29h 53m

$697

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

vie. 8/29

8:25 am-10:38 am

1 stop32h 13m

Houston George Bush Intcntl

lun. 9/8

2:39 pm-6:30 am

1 stop33h 51m

$700

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

lun. 10/6

7:05 am-12:19 am

3 stops23h 14m

Houston George Bush Intcntl

lun. 10/20

5:00 am-2:35 pm

2 stops27h 35m

$701

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

jue. 9/4

12:10 pm-1:43 pm

1 stop31h 33m

Houston George Bush Intcntl

dom. 9/14

2:39 pm-9:35 am

1 stop12h 56m

$707

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

mié. 10/22

8:25 am-1:43 pm

1 stop35h 18m

Houston George Bush Intcntl

mié. 11/5

12:15 pm-5:55 am

1 stop11h 40m

$760

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

sáb. 11/22

6:40 am-11:56 pm

2 stops23h 16m

Houston George Bush Intcntl

sáb. 12/6

1:15 pm-4:00 pm

2 stops20h 45m

$797

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

mar. 8/26

2:50 pm-7:15 pm

Nonstop10h 25m

Houston George Bush Intcntl

mar. 9/16

3:30 pm-6:40 am

Nonstop9h 10m

$800

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

sáb. 9/6

1:00 pm-8:36 am

2 stops25h 36m

Houston George Bush Intcntl

sáb. 9/20

8:15 pm-11:35 am

Nonstop9h 20m

$801

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

mar. 9/2

6:10 pm-10:32 pm

2 stops34h 22m

Houston George Bush Intcntl

mié. 9/10

2:27 pm-9:00 am

1 stop12h 33m

$837

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

mié. 9/24

3:00 pm-10:00 pm

1 stop13h 00m

Houston George Bush Intcntl

jue. 10/2

6:39 pm-12:15 pm

1 stop11h 36m

$848

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 47 results
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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 June 9, 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 junio 12, 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 23% 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 junio 12, 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).

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 junio 12, 2025.
See what other customers who have flown with Delta, KLM and Finnair from London to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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
7,946 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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!
Air France
7.5
Good
1,463 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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!
SWISS
7.5
Good
1,623 reviews
Delta
8.0
Very good
7,946 reviews

Crew

8.5

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.3

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 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?

    Icelandair, at $700, was found to be the cheapest airline from London to Houston George Bush Intcntl Airport.Alternate airlines to your destination round-trip include JetBlue and Scandinavian Airlines. Icelandair is currently priced 27% 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 $665. Avianca flights start at $796 while deals on British Airways start at $833 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 (80%), Austrian Airlines (80%) or Brussels Airlines (80%) 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 $1,542, our data shows the cheapest flight currently is $661. When looking at the most popular route, (London Heathrow - Houston George Bush Intcntl), you can expect to pay $626 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.

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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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$741Average$1,167FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$768Average$982FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$830Average$1,072FlexibilityNo cancel feeOn-time76%
IberiaCheapest$982Average$1,442FlexibilityNo cancel feeOn-time77%

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