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Cheap flights from London to Houston George Bush Intcntl Airport from £412

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 19/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAH
17 Aug — 24 Aug1
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 September, booked 87 days in advance, depart on a Thursday or Friday and return on a Monday

Cheap flight deals from London to George Bush Intcntl

Enter your travel dates to find the best prices.

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 18 July 2026.

Thu 27/814:00
LGW
-
IAH
1 stop24h 02m
Multiple Airlines
Mon 21/912:21
IAH
-
LGW
1 stop15h 39m
Multiple Airlines
Deal found 16/7£567
Sat 3/1006:40
LHR
-
IAH
2 stops23h 16m
Scandinavian Airlines
Sat 17/1012:10
IAH
-
LHR
2 stops23h 30m
Scandinavian Airlines
Deal found 16/7£567
Fri 16/1006:40
LHR
-
IAH
2 stops23h 17m
Scandinavian Airlines
Fri 30/1014:26
IAH
-
LHR
2 stops23h 04m
Scandinavian Airlines
Deal found 17/7£568
Fri 21/814:00
LGW
-
IAH
1 stop30h 32m
Multiple Airlines
Sat 19/912:21
IAH
-
LGW
1 stop15h 39m
Multiple Airlines
Deal found 16/7£569
Wed 2/919:30
LHR
-
IAH
2 stops33h 10m
Scandinavian Airlines
Fri 11/914:44
IAH
-
LHR
2 stops16h 51m
Scandinavian Airlines
Deal found 15/7£569
Tue 25/810:20
LHR
-
IAH
2 stops19h 34m
Scandinavian Airlines
Thu 24/914:44
IAH
-
LHR
2 stops19h 16m
Scandinavian Airlines
Deal found 16/7£570
Wed 19/809:30
LHR
-
IAH
1 stop34h 05m
United Airlines
Fri 21/812:40
IAH
-
LHR
1 stop19h 30m
United Airlines
Deal found 18/7£572
Fri 28/814:00
LGW
-
IAH
1 stop24h 02m
Multiple Airlines
Fri 25/912:21
IAH
-
LGW
1 stop15h 39m
Multiple Airlines
Deal found 16/7£572
Mon 24/814:00
LGW
-
IAH
1 stop30h 32m
Multiple Airlines
Wed 23/912:21
IAH
-
LGW
1 stop15h 39m
Multiple Airlines
Deal found 16/7£573
Sun 23/814:00
LGW
-
IAH
1 stop24h 02m
Multiple Airlines
Mon 21/912:21
IAH
-
LGW
1 stop15h 39m
Multiple Airlines
Deal found 16/7£574
Fri 2/1014:00
LGW
-
IAH
2 stops24h 42m
Multiple Airlines
Mon 5/1012:21
IAH
-
LGW
1 stop15h 39m
Multiple Airlines
Deal found 16/7£574
Thu 1/1014:00
LGW
-
IAH
1 stop26h 40m
Multiple Airlines
Sat 3/1012:21
IAH
-
LGW
1 stop15h 39m
Multiple Airlines
Deal found 16/7£577

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 18 July 2026.

Round-trip from

£567

One-way from

£412

Popular in

July

Cheapest in

January

Average price

£917

Good round-trip deal

£779 or less

Good one-way deal

£572 or less
27/8-21/9
  • 27/8-21/9
  • 2 total stops
  • 39h 41m total
  • London to Houston
Search Deals
19/10
  • 19/10
  • 2 total stops
  • 28h 40m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£70 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return 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

 
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 18 July 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 return flight

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 5/9

06:40-23:52

2 stops23h 12m

Houston George Bush Intcntl

Fri 2/10

14:44-13:35

2 stops16h 51m

£585

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 7/9

08:40-12:32

1 stop33h 52m

Houston George Bush Intcntl

Mon 21/9

17:15-20:45

1 stop21h 30m

£612

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 17/9

06:40-21:16

2 stops20h 36m

Houston George Bush Intcntl

Tue 22/9

16:05-17:40

2 stops19h 35m

£679

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 12/11

17:20-19:05

1 stop31h 45m

Houston George Bush Intcntl

Tue 17/11

14:55-09:55

1 stop37h 00m

£731

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 17/9

07:30-12:45

1 stop35h 15m

Houston George Bush Intcntl

Tue 22/9

21:10-16:40

1 stop37h 30m

£737

LondonHouston

STN - IAH

STNIAH

London Stansted

Fri 9/10

06:55-19:15

1 stop18h 20m

Houston George Bush Intcntl

Tue 13/10

21:10-16:40

1 stop37h 30m

£742

LondonHouston

STN - IAH

STNIAH

London Stansted

Sun 11/10

06:55-12:45

1 stop35h 50m

Houston George Bush Intcntl

Sun 18/10

21:10-22:10

1 stop19h 00m

£752

LondonHouston

STN - IAH

STNIAH

London Stansted

Fri 9/10

17:35-19:15

1 stop31h 40m

Houston George Bush Intcntl

Sun 18/10

21:10-16:40

1 stop37h 30m

£755

LondonHouston

STN - IAH

STNIAH

London Stansted

Tue 15/9

17:35-19:15

1 stop31h 40m

Houston George Bush Intcntl

Thu 24/9

21:10-09:55

1 stop30h 45m

£757

LondonHouston

STN - IAH

STNIAH

London Stansted

Wed 16/9

17:45-19:15

1 stop31h 30m

Houston George Bush Intcntl

Mon 21/9

21:10-22:10

1 stop19h 00m

£757

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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

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 £623). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £928). 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 18 July 2026.

When flying from London to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 18 July 2026.

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

Copenhagen (CPH) is the most affordable one-stop option, with an average return flight price of £424.

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 Newark (EWR) have the shortest average one-way travel time for one-stop routes: 12h 43m.

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 40m.

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 past 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?

Booking 86 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.

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 18 July 2026.
Check out reviews from past customers who have flown with Austrian Airlines,United Airlines, andJetBlue 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
947 reviews
Check prices

Food

6.8

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
Austrian Airlines
7.6
Good
947 reviews
Austrian Airlines
7.6
Good
947 reviews
Check prices

Food

6.8

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
United Airlines
7.4
Good
10,006 reviews
Austrian Airlines
7.6
Good
947 reviews
Check prices

Food

6.8

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
JetBlue
7.1
Good
3,012 reviews
Austrian Airlines
7.6
Good
947 reviews
Check prices

Food

6.8

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
Lufthansa
6.8
Okay
8,143 reviews
Austrian Airlines
7.6
Good
947 reviews
Check prices

Food

6.8

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.
British Airways
6.7
Okay
8,122 reviews
Austrian Airlines
7.6
Good
947 reviews
Check prices

Food

6.8

Crew

8.1

Entertainment

6.8

Boarding

7.6

Overall

7.6

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Anonymous,Jul 2026

VIE - IAD

The vegetarian choice wasn’t good. The snack was bad. Otherwise, everything was great.

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 £585, Scandinavian Airlines can have you in Houston George Bush Intcntl Airport from London in 23h 12m. 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 £84. Other airlines that can offer you cheap pricing are Iberia, from £348, and Virgin Atlantic, from £386. Frontier is currently priced 89% 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?

    £451 is the cheapest one-way deal found within the past few days, from Finnair. You may also be able to find cheap deals on British Airways and Lufthansa, with prices starting from £457 and £541, 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 Stansted - 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 Austrian Airlines (79%), Brussels Airlines (79%) and United Airlines (79%).

  • 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 £457. On average you can expect to pay £1,757. The most popular route, (London Heathrow - Houston George Bush Intcntl), can usually be booked for £454.

  • 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, January is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of £623). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £928). 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 18 July 2026.
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 18 July 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest£84Average£120FlexibilityNo cancel feeOn-time62%
Search Frontier flights
IberiaCheapest£348Average£1,022FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£386Average£707FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
IcelandairCheapest£483Average£781FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£518Average£709FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
Air CanadaCheapest£551Average£587FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Brussels AirlinesCheapest£568Average£777FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
FinnairCheapest£577Average£797FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£579Average£733FlexibilityNo cancel feeOn-time70%
Search British Airways flights
American AirlinesCheapest£579Average£838FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find London to George Bush Intcntl flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to George Bush Intcntl?

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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Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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