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George Bush Intcntl

$555+ 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 8/20. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAH
Aug 13 — Aug 201
Thu 8/13
Thu 8/20
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 87 days in advance, depart on a Sunday or Wednesday 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 July 14, 2026.

This TravelUp deal was found by Cheapflights users on 7/13. 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.
Tue 9/158:15 am
LHR
-
IAH
1 stop14h 05m
JetBlue
Tue 9/295:15 pm
IAH
-
LHR
1 stop21h 30m
JetBlue
Deal found 7/13$789
This Scandinavian Airlines deal was found by Cheapflights users on 7/13. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/256:40 am
LHR
-
IAH
2 stops20h 36m
Scandinavian Airlines
Mon 9/282:44 pm
IAH
-
LHR
2 stops19h 16m
Scandinavian Airlines
Deal found 7/13$791
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 9/156:35 pm
LGW
-
IAH
2 stops44h 10m
Multiple Airlines
Tue 9/294:39 pm
IAH
-
LGW
1 stop35h 21m
Multiple Airlines
Deal found 7/13$793
This TravelUp deal was found by Cheapflights users on 7/13. 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.
Tue 9/298:40 am
LHR
-
IAH
1 stop33h 25m
JetBlue
Mon 10/511:45 am
IAH
-
LHR
1 stop15h 45m
JetBlue
Deal found 7/13$793
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 8/312:00 pm
LGW
-
IAH
2 stops38h 14m
Multiple Airlines
Mon 9/1412:21 pm
IAH
-
LGW
1 stop15h 39m
Multiple Airlines
Deal found 7/13$794
This Kiwi.com deal was found by Cheapflights users on 7/13. 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 11/310:10 am
LGW
-
IAH
1 stop14h 43m
Multiple Airlines
Tue 11/174:39 pm
IAH
-
LGW
1 stop31h 21m
Multiple Airlines
Deal found 7/13$796
This ChecknFly deal was found by Cheapflights users on 7/10. 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.
Fri 8/142:10 pm
LHR
-
IAH
1 stop14h 34m
Lufthansa
Sat 8/156:08 pm
IAH
-
LHR
2 stops21h 12m
Lufthansa
Deal found 7/10$798
This Kiwi.com deal was found by Cheapflights users on 7/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/62:00 pm
LGW
-
IAH
1 stop24h 02m
Multiple Airlines
Sat 9/1912:21 pm
IAH
-
LGW
1 stop15h 39m
Multiple Airlines
Deal found 7/12$800
This TravelUp deal was found by Cheapflights users on 7/12. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/196:40 am
LHR
-
IAH
2 stops23h 16m
Scandinavian Airlines
Mon 9/284:05 pm
IAH
-
LHR
2 stops20h 25m
Scandinavian Airlines
Deal found 7/12$800
This TravelUp deal was found by Cheapflights users on 7/10. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/78:40 am
LHR
-
IAH
1 stop33h 52m
JetBlue
Wed 9/165:15 pm
IAH
-
LHR
1 stop21h 30m
JetBlue
Deal found 7/10$801
This TravelUp deal was found by Cheapflights users on 7/13. 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.
Tue 11/312:20 pm
LHR
-
IAH
1 stop28h 34m
JetBlue
Tue 11/175:15 pm
IAH
-
LHR
1 stop21h 30m
JetBlue
Deal found 7/13$803
This Mytrip deal was found by Cheapflights users on 7/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/33:30 pm
LGW
-
IAH
2 stops30h 10m
Multiple Airlines
Wed 9/166:10 pm
IAH
-
LGW
2 stops20h 05m
Multiple Airlines
Deal found 7/12$804

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 July 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$789
(TravelUp)

One-way from

$555
(Kiwi.com)

Popular in

May

Cheapest in

January

Average price

$1,208

Good round-trip deal

$1,006 or less

Good one-way deal

$1,009 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. 8% potential increase in price ($98 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 14, 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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 9/25

6:40 am-11:56 pm

2 stops23h 16m

Houston George Bush Intcntl

Tue 9/29

4:05 pm-9:40 pm

2 stops23h 35m

$831

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Tue 8/4

2:00 pm-8:45 am

1 stop24h 45m

Houston George Bush Intcntl

Thu 8/13

7:23 pm-10:00 am

1 stop32h 37m

$971

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 11/12

5:20 pm-7:05 pm

1 stop31h 45m

Houston George Bush Intcntl

Tue 11/17

2:55 pm-9:55 am

1 stop37h 00m

$984

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 11/12

10:05 am-7:05 pm

1 stop39h 00m

Houston George Bush Intcntl

Tue 11/17

9:00 pm-9:10 am

1 stop30h 10m

$995

LondonHouston

STN - IAH

STNIAH

London Stansted

Sat 11/21

5:20 pm-7:05 pm

1 stop31h 45m

Houston George Bush Intcntl

Mon 11/30

9:00 pm-9:55 am

1 stop30h 55m

$1,001

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 9/17

5:35 pm-7:15 pm

1 stop31h 40m

Houston George Bush Intcntl

Tue 9/22

9:10 pm-10:25 pm

1 stop19h 15m

$1,002

LondonHouston

STN - IAH

STNIAH

London Stansted

Fri 9/25

5:35 pm-7:15 pm

1 stop31h 40m

Houston George Bush Intcntl

Tue 9/29

9:10 pm-4:40 pm

1 stop37h 30m

$1,030

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 9/17

5:35 pm-12:45 pm

1 stop25h 10m

Houston George Bush Intcntl

Sat 10/17

9:10 pm-9:55 am

1 stop30h 45m

$1,031

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Fri 9/25

7:25 am-7:15 pm

1 stop17h 50m

Houston George Bush Intcntl

Tue 9/29

9:10 pm-10:25 pm

1 stop19h 15m

$1,034

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sun 11/1

10:40 am-10:54 am

2 stops30h 14m

Houston George Bush Intcntl

Mon 11/9

11:44 am-3:45 pm

2 stops22h 01m

$1,061

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/10

Showing 1-10 of 60 resultsSorted by cheapest first
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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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy3 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

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

Currently, April is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of $64). Flying from London to Houston George Bush Intcntl Airport in June is currently the most expensive (average of $554). 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 14, 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 July 14, 2026.

The most flights from LON to IAH are scheduled on a Monday (22 on average). You will have fewer flight options on Thursday, 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?

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 155 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 10% of flights being delayed.

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

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 86 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.

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 July 14, 2026.
Read through reviews of airlines operating flights from London to Houston George Bush Intcntl Airport, such as United Airlines,Brussels Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,991 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
United Airlines
7.4
Good
9,991 reviews
United Airlines
7.4
Good
9,991 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Brussels Airlines
7.2
Good
422 reviews
United Airlines
7.4
Good
9,991 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
JetBlue
7.1
Good
3,010 reviews
United Airlines
7.4
Good
9,991 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
Lufthansa
6.8
Okay
8,134 reviews
United Airlines
7.4
Good
9,991 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours
British Airways
6.7
Okay
8,116 reviews
United Airlines
7.4
Good
9,991 reviews

Comfort

7.3

Crew

8.1

Entertainment

7.1

Food

6.7

Overall

7.4

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

FERNANDO,Sep 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

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 Scandinavian Airlines, Turkish Airlines, and TAP AIR PORTUGAL fly from London to Houston George Bush Intcntl Airport in about 23h 16m. The time it takes to get you to your destination can typically vary by up to 8h 29m. 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?

    Lufthansa, at $604, was found to be the cheapest airline from London to Houston George Bush Intcntl Airport.Alternate airlines to your destination round-trip include Austrian Airlines and United Airlines. Lufthansa is currently priced 43% 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 JetBlue, which is currently one of the cheapest options available, starting at $562. Aer Lingus flights start at $697 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 Stansted - Houston George Bush Intcntl.

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

    Consider Air Canada (81%), Austrian Airlines (81%) or Brussels Airlines (81%) 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 $1,620, our data shows the cheapest flight currently is $810. When looking at the most popular route, (London Heathrow - Houston George Bush Intcntl), you can expect to pay $710 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, April is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of $64). Flying from London to Houston George Bush Intcntl Airport in June is currently the most expensive (average of $554). 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
Katy
Spring
The Woodlands
Conroe
Jersey Village
Humble
Tomball
Cypress
Montgomery

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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 July 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$604Average$1,310FlexibilityNo cancel feeOn-time76%
Austrian AirlinesCheapest$695Average$1,389FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$716Average$1,222FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$782Average$1,015FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$785Average$1,085FlexibilityNo cancel feeOn-time71%
JetBlueCheapest$843Average$970FlexibilityNo cancel feeOn-time62%

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