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Cheap flights from London to Houston George Bush Intcntl Airport from £392

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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAH
30 Nov — 7 Dec1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London to Houston George Bush Intcntl are usually found in January or March, booked 77 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Find flight deals from London to George Bush Intcntl

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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 31 October 2025.

Thu 27/1114:00LGW - IAH
2 stops33h 16mMultiple Airlines
Thu 4/1210:00IAH - LGW
2 stops18h 00mMultiple Airlines
Deal found 30/10£569
Mon 3/1114:00LGW - IAH
1 stop35h 52mMultiple Airlines
Thu 13/1108:39IAH - LGW
1 stop19h 21mMultiple Airlines
Deal found 30/10£571
Sat 15/1106:40LHR - IAH
2 stops21h 07mMultiple Airlines
Tue 18/1105:45IAH - LHR
3 stops29h 15mMultiple Airlines
Deal found 29/10£572
Wed 12/1109:50LCY - IAH
2 stops17h 57mMultiple Airlines
Wed 19/1105:45IAH - LCY
3 stops21h 20mMultiple Airlines
Deal found 29/10£573
Thu 11/1208:30LGW - IAH
2 stops21h 29mMultiple Airlines
Fri 9/106:00IAH - LGW
2 stops22h 55mMultiple Airlines
Deal found 29/10£574
Sat 15/1109:20LHR - IAH
1 stop33h 21mJetBlue
Tue 18/1113:38IAH - LHR
1 stop11h 17mJetBlue
Deal found 29/10£574
Tue 2/1214:50LHR - IAH
1 stop27h 54mWestJet
Thu 8/113:35IAH - LHR
1 stop17h 15mWestJet
Deal found 30/10£574
Mon 8/1214:00LGW - IAH
1 stop14h 43mMultiple Airlines
Wed 24/1219:25IAH - LGW
1 stop32h 35mMultiple Airlines
Deal found 29/10£575
Mon 17/1114:00LGW - IAH
1 stop15h 59mMultiple Airlines
Mon 1/1206:10IAH - LGW
3 stops22h 45mMultiple Airlines
Deal found 30/10£578
Tue 11/1114:50LHR - IAH
1 stop27h 54mMultiple Airlines
Tue 25/1120:54IAH - LHR
2 stops33h 56mMultiple Airlines
Deal found 29/10£578
Sat 1/1114:00LGW - IAH
2 stops36h 09mMultiple Airlines
Fri 14/1112:49IAH - LGW
1 stop15h 11mMultiple Airlines
Deal found 29/10£579
Mon 10/1114:00LGW - IAH
1 stop15h 59mMultiple Airlines
Thu 20/1108:29IAH - LGW
1 stop19h 31mMultiple Airlines
Deal found 29/10£580

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 31 October 2025.

Round-trip from

£569

One-way from

£392

Popular in

July

Cheapest in

January

Average price

£748

Good round-trip deal

£652 or less

Good one-way deal

£465 or less
27/11-4/12
  • 27/11-4/12
  • 4 total stops
  • 51h 16m total
  • London to Houston
Search Deals
9/1
  • 9/1
  • 3 total stops
  • 25h 28m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (£57 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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

 
Customise 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 858,174 searches. Data last updated 31 October 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

Wed 12/11

09:20-17:51

1 stop14h 31m

Houston George Bush Intcntl

Wed 19/11

13:38-06:55

1 stop11h 17m

£580

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 5/12

09:20-17:48

1 stop14h 28m

Houston George Bush Intcntl

Fri 9/1

12:30-06:55

1 stop12h 25m

£626

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 17/11

09:20-17:51

1 stop14h 31m

Houston George Bush Intcntl

Mon 24/11

10:16-06:55

1 stop14h 39m

£629

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 12/2

07:05-23:59

3 stops22h 54m

Houston George Bush Intcntl

Wed 18/2

16:00-21:35

3 stops23h 35m

£634

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 14/2

07:30-19:08

2 stops17h 38m

Houston George Bush Intcntl

Sat 14/2

21:34-13:30

1 stop33h 56m

£652

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 12/2

14:00-08:42

1 stop24h 42m

Houston George Bush Intcntl

Wed 18/2

18:42-10:00

1 stop33h 18m

£659

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 17/11

09:20-17:51

1 stop14h 31m

Houston George Bush Intcntl

Sun 23/11

10:22-06:55

1 stop14h 33m

£659

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 14/11

09:20-17:51

1 stop14h 31m

Houston George Bush Intcntl

Wed 19/11

13:38-06:55

1 stop11h 17m

£659

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 7/12

09:20-17:48

1 stop14h 28m

Houston George Bush Intcntl

Thu 8/1

12:30-06:55

1 stop12h 25m

£665

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 16/11

09:20-17:51

1 stop14h 31m

Houston George Bush Intcntl

Sat 6/12

13:36-06:55

1 stop11h 19m

£672

Flights are sorted by cheapest return flights first.

Deals found on 29/10

Showing 1-10 of 60 results
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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 return 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 return flight from London to George Bush Intcntl. Price data was last updated on 24 October 2025.

Booking 77 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Houston George Bush Intcntl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of £508). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £697). 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 31 October 2025.

A simple way to save on the total cost of your ticket is to fly from London to Houston George Bush Intcntl Airport in the evening. If you’re flexible enough to do this you can expect to save up to 21% on your trip compared to booking a flight at midday.

How much does it cost for a return flight from London to Houston George Bush Intcntl Airport?

What’s the top stopover airport for flights from London to Houston George Bush Intcntl Airport?

Share of one-stop return flights from London to Houston George Bush Intcntl Airport chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Boston (BOS) – chosen by Cheapflights users on 36% of one-stop itineraries from London to Houston George Bush Intcntl Airport on Cheapflights.

What’s the cheapest stopover airport for flights from London to Houston George Bush Intcntl Airport?

Average return fare for one-stop flights from London to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Calgary (YYC) is the most affordable one-stop option, with an average return flight price of £394.

What’s the fastest stopover option from London to Houston George Bush Intcntl Airport?

Shortest average travel time for one-stop one-way flights from London to Houston George Bush Intcntl Airport, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) have the shortest average one-way travel time for one-stop routes: 12h 47m.

Which airport typically offers the quickest stopover for flights from London to Houston George Bush Intcntl Airport?

Average stopover duration for one-stop one-way flights from London to Houston George Bush Intcntl Airport, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Chicago (ORD) offer the fastest connection on this route, with an average stopover time of 1h 25m.

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 31 October 2025.
Check out reviews from past customers who have flown with Austrian Airlines, Finnair, andUnited Airlines from London to Houston George Bush Intcntl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
862 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.8

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Austrian Airlines
7.6
Good
862 reviews
Austrian Airlines
7.6
Good
862 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.8

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Finnair
7.6
Good
1,333 reviews
Austrian Airlines
7.6
Good
862 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.8

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
United Airlines
7.4
Good
8,997 reviews
Austrian Airlines
7.6
Good
862 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.8

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
Lufthansa
6.8
Okay
7,542 reviews
Austrian Airlines
7.6
Good
862 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.8

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the flight.
British Airways
6.7
Okay
7,488 reviews
Austrian Airlines
7.6
Good
862 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Food

6.8

Comfort

7.3

Entertainment

6.8

Reviews

1 / 20
10.0
Excellent

Andrew,Sept 2025

FLR - VIE

Staff was really nice, they provided water as a beverage. Otherwise you had to purchase beverages or food. A complementary chocolate was provided at the end of the 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.

  • How long is the flight from London to Houston George Bush Intcntl Airport?

    For as low as £580, JetBlue can have you in Houston George Bush Intcntl Airport from London in 14h 31m. London and Houston George Bush Intcntl Airport are separated by a distance of 4820 mi. Both multi-stop and direct 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?

    Cheapflights users have booked flights from London to Houston George Bush Intcntl Airport round-trip from £390. Other airlines that can offer you cheap pricing are JetBlue, from £476, and Icelandair, from £497. WestJet is currently priced 47% below the average price you’ll pay for this route.

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

    The most popular route from London to Houston George Bush Intcntl Airport is London Heathrow - Houston George Bush Intcntl. You may also consider London Gatwick - Houston George Bush Intcntl or London City - Houston George Bush Intcntl.

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

    The top 3 most reliable airlines when flying from London to Houston George Bush Intcntl Airport are Air Canada (88%), Austrian Airlines (88%) and Brussels Airlines (88%).

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

    The cheapest flight price from London to Houston George Bush Intcntl Airport is £415. On average you can expect to pay £890. The most popular route, (London Heathrow - Houston George Bush Intcntl), can usually be booked for £478.

  • 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 holiday 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, September is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of £508). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £697). 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

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Fly from London to George Bush Intcntl on these airlines

Choose from the following airlines for your flight from London to George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on 31 October 2025.
British Airways flights from London to Houston George Bush Intcntl
Lufthansa flights from London to Houston George Bush Intcntl
Finnair flights from London to Houston George Bush Intcntl

Top 10 airlines flying from London to George Bush Intcntl

Discover the top 10 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 858,174 searches. Data last updated 31 October 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£390Average£606FlexibilityNo cancel feeOn-time60%
Search WestJet flights
JetBlueCheapest£476Average£607FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£497Average£762FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£509Average£765FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£517Average£650FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£543Average£793FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£547Average£738FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£563Average£599FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapest£608Average£825FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
United AirlinesCheapest£613Average£808FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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How does Cheapflights help users find flights from London to George Bush Intcntl?

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Users can book flights with no change fees policies with our dedicated filters. Book flights from London to George Bush Intcntl flexibly with Cheapflights today.

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