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Cheap flights from London to Houston George Bush Intcntl Airport from £328

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 13/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAH
6 Dec — 13 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

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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 6 November 2025.

Sun 23/1112:15LHR - IAH
3 stops25h 09mMultiple Airlines
Wed 3/1220:35IAH - LHR
3 stops32h 15mMultiple Airlines
Deal found 5/11£580
Tue 18/1113:00LGW - IAH
1 stop27h 47mMultiple Airlines
Sat 10/121:44IAH - LGW
2 stops26h 16mMultiple Airlines
Deal found 4/11£583
Sat 6/1206:30LHR - IAH
2 stops28h 11mMultiple Airlines
Sat 13/1215:55IAH - LHR
1 stop16h 25mMultiple Airlines
Deal found 5/11£584
Fri 5/1219:30LHR - IAH
2 stops34h 29mMultiple Airlines
Fri 12/1205:00IAH - LHR
2 stops29h 00mMultiple Airlines
Deal found 5/11£588
Sun 28/1214:10LGW - IAH
1 stop23h 11mMultiple Airlines
Fri 9/118:05IAH - LGW
2 stops53h 55mMultiple Airlines
Deal found 5/11£589
Wed 12/1120:35LHR - IAH
3 stops33h 24mMultiple Airlines
Wed 19/1105:45IAH - LHR
3 stops23h 05mMultiple Airlines
Deal found 5/11£589
Sat 29/1120:15LGW - IAH
2 stops46h 29mMultiple Airlines
Fri 5/1220:07IAH - LGW
1 stop31h 58mMultiple Airlines
Deal found 5/11£590
Sat 22/1114:50LHR - IAH
2 stops26h 29mMultiple Airlines
Wed 3/1213:35IAH - LHR
1 stop17h 15mMultiple Airlines
Deal found 5/11£591
Sun 23/1109:20LHR - IAH
1 stop30h 11mJetBlue
Wed 3/1218:45IAH - LHR
1 stop30h 10mJetBlue
Deal found 5/11£591
Wed 12/1119:25LGW - IAH
2 stops44h 42mMultiple Airlines
Wed 26/1120:08IAH - LGW
1 stop31h 52mMultiple Airlines
Deal found 5/11£592
Mon 24/1114:50LHR - IAH
2 stops25h 42mMultiple Airlines
Thu 4/1213:35IAH - LHR
1 stop17h 15mMultiple Airlines
Deal found 5/11£593
Wed 19/1111:55LGW - IAH
2 stops18h 04mMultiple Airlines
Thu 27/1108:29IAH - LGW
2 stops20h 26mMultiple Airlines
Deal found 4/11£594

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 6 November 2025.

Round-trip from

£577

One-way from

£328

Popular in

July

Cheapest in

January

Average price

£706

Good round-trip deal

£671 or less

Good one-way deal

£470 or less
WestJet
  • WestJet
  • 23/11-26/11
  • 2 total stops
  • 45h 09m total
  • London to Houston
Search Deals
13/12
  • 13/12
  • 2 total stops
  • 59h 58m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£56 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 November 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 6 November 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

Fri 13/3

14:00-07:54

1 stop22h 54m

Houston George Bush Intcntl

Thu 19/3

08:44-10:00

1 stop20h 16m

£588

LondonHouston

LCY - IAH

LCYIAH

London City

Wed 4/2

09:50-21:53

2 stops18h 03m

Houston George Bush Intcntl

Tue 10/2

06:00-09:15

2 stops21h 15m

£596

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Sat 6/12

16:55-23:59

3 stops37h 04m

Houston George Bush Intcntl

Sat 13/12

10:41-20:40

3 stops27h 59m

£612

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 20/11

16:20-20:19

1 stop33h 59m

Houston George Bush Intcntl

Sat 22/11

18:36-07:55

1 stop31h 19m

£621

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Fri 13/3

14:00-07:54

1 stop22h 54m

Houston George Bush Intcntl

Sat 21/3

08:44-10:05

1 stop20h 21m

£625

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 19/11

13:00-00:08

2 stops17h 08m

Houston George Bush Intcntl

Sat 10/1

20:17-10:00

1 stop31h 43m

£634

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 23/1

07:05-23:58

3 stops22h 53m

Houston George Bush Intcntl

Sat 31/1

10:44-18:30

2 stops25h 46m

£635

LondonHouston

STN - IAH

STNIAH

London Stansted

Fri 12/12

05:55-23:59

3 stops24h 04m

Houston George Bush Intcntl

Tue 16/12

08:00-23:10

3 stops33h 10m

£635

LondonHouston

STN - IAH

STNIAH

London Stansted

Sat 6/12

07:40-23:59

3 stops46h 19m

Houston George Bush Intcntl

Sat 13/12

05:33-07:50

2 stops20h 17m

£650

LondonHouston

STN - IAH

STNIAH

London Stansted

Sat 15/11

18:55-13:55

2 stops25h 00m

Houston George Bush Intcntl

Sun 23/11

16:05-18:20

2 stops20h 15m

£652

Flights are sorted by cheapest return flights first.

Deals found on 5/11

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 31 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 £514). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £704). 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 6 November 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.

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 6 November 2025.

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

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 37% 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 £399.

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 6 November 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
864 reviews
Check prices

Food

6.8

Boarding

7.6

Comfort

7.3

Overall

7.6

Crew

8.1

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
864 reviews
Austrian Airlines
7.6
Good
864 reviews
Check prices

Food

6.8

Boarding

7.6

Comfort

7.3

Overall

7.6

Crew

8.1

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
1,335 reviews
Austrian Airlines
7.6
Good
864 reviews
Check prices

Food

6.8

Boarding

7.6

Comfort

7.3

Overall

7.6

Crew

8.1

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
9,001 reviews
Austrian Airlines
7.6
Good
864 reviews
Check prices

Food

6.8

Boarding

7.6

Comfort

7.3

Overall

7.6

Crew

8.1

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
7,555 reviews
Austrian Airlines
7.6
Good
864 reviews
Check prices

Food

6.8

Boarding

7.6

Comfort

7.3

Overall

7.6

Crew

8.1

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
7,496 reviews
Austrian Airlines
7.6
Good
864 reviews
Check prices

Food

6.8

Boarding

7.6

Comfort

7.3

Overall

7.6

Crew

8.1

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 £657, United Airlines can have you in Houston George Bush Intcntl Airport from London in 14h 28m. 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 £394. Other airlines that can offer you cheap pricing are JetBlue, from £482, and Icelandair, from £502. WestJet is currently priced 47% 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?

    £339 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Iberia and Virgin Atlantic, with prices starting from £545 and £553, respectively.

  • 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 (85%), Austrian Airlines (85%) and Brussels Airlines (85%).

  • 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 £419. On average you can expect to pay £894. The most popular route, (London Heathrow - Houston George Bush Intcntl), can usually be booked for £477.

  • 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 £514). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £704). 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 6 November 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 6 November 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£394Average£612FlexibilityNo cancel feeOn-time60%
Search WestJet flights
JetBlueCheapest£482Average£613FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£502Average£753FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£513Average£774FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£522Average£664FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£549Average£801FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£553Average£744FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£569Average£605FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapest£615Average£836FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
United AirlinesCheapest£620Average£814FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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Millions of users choose and trust Cheapflights to book the best flight deals from London to George Bush Intcntl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from London to George Bush Intcntl with no change fees?

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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