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

$460+ 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 5/15. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAH
May 11 — May 181
Mon 5/11
Mon 5/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from London to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

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

2. Select your favorite providers

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

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from London to Houston George Bush Intcntl are usually found in January or September, booked 63 days in advance, depart on a Thursday or Sunday 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 April 11, 2026.

This TravelUp deal was found by Cheapflights users on 4/6. 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 5/2612:20 pm
LGW
-
IAH
1 stop31h 06m
JetBlue
Thu 6/42:25 pm
IAH
-
LGW
1 stop13h 10m
JetBlue
Deal found 4/6$845
This Travcart deal was found by Cheapflights users on 4/7. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2011:55 am
LHR
-
IAH
1 stop34h 49m
JetBlue
Thu 5/2811:56 am
IAH
-
LHR
1 stop26h 49m
JetBlue
Deal found 4/7$846
This Mytrip deal was found by Cheapflights users on 4/6. 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 5/269:05 pm
LHR
-
IAH
3 stops32h 31m
Multiple Airlines
Thu 6/47:15 am
IAH
-
LHR
3 stops27h 10m
Multiple Airlines
Deal found 4/6$847
This Travcart deal was found by Cheapflights users on 4/7. 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 Travcart is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/298:40 am
LHR
-
IAH
1 stop33h 04m
JetBlue
Wed 5/612:44 pm
IAH
-
LHR
1 stop11h 46m
JetBlue
Deal found 4/7$851
This Mytrip deal was found by Cheapflights users on 4/7. 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 5/166:00 am
LGW
-
IAH
3 stops37h 25m
Multiple Airlines
Tue 5/196:50 am
IAH
-
LGW
3 stops28h 20m
Multiple Airlines
Deal found 4/7$855
This Mytrip deal was found by Cheapflights users on 4/6. 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 4/188:45 am
STN
-
IAH
3 stops29h 38m
Multiple Airlines
Tue 4/212:29 pm
IAH
-
STN
3 stops26h 11m
Multiple Airlines
Deal found 4/6$855
This Mytrip deal was found by Cheapflights users on 4/6. 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 4/217:05 am
LGW
-
IAH
3 stops40h 34m
Multiple Airlines
Sat 4/251:07 pm
IAH
-
LGW
2 stops21h 18m
Multiple Airlines
Deal found 4/6$857
This Mytrip deal was found by Cheapflights users on 4/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/117:05 am
LHR
-
IAH
3 stops22h 31m
Multiple Airlines
Thu 5/286:50 am
IAH
-
LHR
2 stops27h 35m
Multiple Airlines
Deal found 4/10$858
This Mytrip deal was found by Cheapflights users on 4/7. 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 4/148:30 am
LHR
-
IAH
3 stops21h 29m
Multiple Airlines
Tue 4/217:00 am
IAH
-
LHR
3 stops22h 50m
Multiple Airlines
Deal found 4/7$859
This TravelUp deal was found by Cheapflights users on 4/9. 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.
Thu 5/218:15 am
LHR
-
IAH
1 stop14h 29m
JetBlue
Mon 7/275:09 pm
IAH
-
LHR
1 stop31h 21m
JetBlue
Deal found 4/9$860
This Mytrip deal was found by Cheapflights users on 4/11. 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.
Wed 5/67:45 am
STN
-
IAH
3 stops44h 31m
Multiple Airlines
Sat 5/164:06 pm
IAH
-
STN
3 stops25h 09m
Multiple Airlines
Deal found 4/11$861
This Kiwi.com deal was found by Cheapflights users on 4/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/282:00 pm
LGW
-
IAH
1 stop23h 33m
Multiple Airlines
Fri 6/55:29 pm
IAH
-
LGW
1 stop30h 51m
Multiple Airlines
Deal found 4/10$863

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 April 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$845
(TravelUp)

One-way from

$460
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$1,083

Good round-trip deal

$896 or less

Good one-way deal

$810 or less
Provider with most accurate pricing for London (LON)-Houston George Bush Intcntl flight deals.
Search Deals
Provider most trusted by Cheapflights users for London (LON)-Houston George Bush Intcntl flights.
Search Deals
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. 6% potential increase in price ($68 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 April 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 April 11, 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

STN - IAH

STNIAH

London Stansted

Wed 5/13

8:20 am-1:25 pm

3 stops35h 05m

Houston George Bush Intcntl

Thu 5/28

6:50 am-9:20 pm

3 stops32h 30m

$934

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 4/23

2:05 pm-12:45 pm

1 stop28h 40m

Houston George Bush Intcntl

Mon 4/27

2:30 pm-4:40 pm

1 stop20h 10m

$967

LondonHouston

STN - IAH

STNIAH

London Stansted

Sun 5/24

9:00 am-1:35 pm

3 stops34h 35m

Houston George Bush Intcntl

Sun 5/31

7:20 am-8:35 pm

3 stops31h 15m

$994

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 5/23

6:55 am-4:30 pm

1 stop15h 35m

Houston George Bush Intcntl

Sat 5/23

7:50 pm-10:10 am

1 stop32h 20m

$1,040

LondonHouston

SEN - IAH

SENIAH

London Southend

Wed 4/22

8:25 am-8:17 pm

3 stops41h 52m

Houston George Bush Intcntl

Fri 4/24

11:39 am-9:45 pm

3 stops28h 06m

$1,075

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 6/11

5:35 pm-12:45 pm

1 stop25h 10m

Houston George Bush Intcntl

Thu 6/18

9:05 pm-9:55 am

1 stop30h 50m

$1,129

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 6/11

5:35 pm-12:45 pm

1 stop25h 10m

Houston George Bush Intcntl

Mon 6/15

9:05 pm-9:55 am

1 stop30h 50m

$1,129

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 6/18

10:40 pm-12:45 pm

1 stop20h 05m

Houston George Bush Intcntl

Fri 8/7

9:05 pm-10:25 pm

1 stop19h 20m

$1,134

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 9/10

11:20 am-10:55 am

2 stops29h 35m

Houston George Bush Intcntl

Wed 9/30

11:45 am-3:35 pm

2 stops21h 50m

$1,137

LondonHouston

STN - IAH

STNIAH

London Stansted

Mon 6/8

10:50 am-7:10 pm

1 stop38h 20m

Houston George Bush Intcntl

Sat 6/13

9:05 pm-9:55 am

1 stop30h 50m

$1,142

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/6

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 April.
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 April 10, 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 $911). 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 April 11, 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 April 11, 2026.

The most flights from LON to IAH are scheduled on a Tuesday (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 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 April 11, 2026.
Read through reviews of airlines operating flights from London to Houston George Bush Intcntl Airport, such as United Airlines,Brussels Airlines, andLufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,572 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

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
9,572 reviews
United Airlines
7.4
Good
9,572 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

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
400 reviews
United Airlines
7.4
Good
9,572 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

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
7,912 reviews
United Airlines
7.4
Good
9,572 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

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
7,871 reviews
United Airlines
7.4
Good
9,572 reviews

Comfort

7.3

Overall

7.4

Entertainment

7.1

Boarding

7.7

Food

6.6

Crew

8.1

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 TAP AIR PORTUGAL fly from London to Houston George Bush Intcntl Airport in about 15h 35m. The time it takes to get you to your destination can typically vary by up to 14h. 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?

    Austrian Airlines, at $695, was found to be the cheapest airline from London to Houston George Bush Intcntl Airport.Alternate airlines to your destination round-trip include United Airlines and American Airlines. Austrian Airlines is currently priced 31% 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 Iberia, which is currently one of the cheapest options available, starting at $697. Austrian Airlines flights start at $742 while deals on Lufthansa start at $743 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 (85%), Austrian Airlines (84%) or Brussels Airlines (84%) 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 $1,337, our data shows the cheapest flight currently is $642. When looking at the most popular route, (London Heathrow - Houston George Bush Intcntl), you can expect to pay $745 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 $911). 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
The Woodlands
Spring
Montgomery
Tomball
Jersey Village
Humble
Cypress
Conroe

Browse thousands of different options on Cheapflights for your next trip

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

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 April 11, 2026.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest$695Average$1,217FlexibilityNo cancel feeOn-time78%
United AirlinesCheapest$716Average$1,102FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$785Average$1,198FlexibilityNo cancel feeOn-time71%
British AirwaysCheapest$822Average$982FlexibilityNo cancel feeOn-time70%

100% Free

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

Book with Flexibility

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

Travel Smart

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