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Cheap flights from Houston George Bush Intcntl Airport to London from £262

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 9/9. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LON
19 Aug — 26 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Houston George Bush Intcntl to London are usually found in September or January, booked 24 days in advance, depart on a Monday or Tuesday and return on a Thursday

Cheap flight deals from George Bush Intcntl to London

Enter your travel dates to find the best prices.

Cheapest flights from George Bush Intcntl to London
Explore the most affordable flight options available from George Bush Intcntl to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 July 2026.

Wed 11/1111:50
IAH
-
LHR
1 stop13h 20m
Multiple Airlines
Wed 18/1106:50
LHR
-
IAH
2 stops20h 49m
Multiple Airlines
Deal found 20/7£624
Mon 17/821:10
IAH
-
STN
1 stop19h 00m
Turkish Airlines
Tue 1/917:35
STN
-
IAH
1 stop31h 40m
Turkish Airlines
Deal found 20/7£625
Wed 11/1119:10
IAH
-
LHR
1 stop12h 35m
Virgin Atlantic
Wed 18/1120:25
LHR
-
IAH
1 stop23h 00m
Virgin Atlantic
Deal found 20/7£630
Sun 4/1012:21
IAH
-
LGW
1 stop15h 39m
Multiple Airlines
Wed 14/1014:00
LGW
-
IAH
1 stop26h 24m
Multiple Airlines
Deal found 20/7£630
Wed 12/819:23
IAH
-
LGW
1 stop32h 37m
Multiple Airlines
Sat 22/814:00
LGW
-
IAH
1 stop24h 02m
Multiple Airlines
Deal found 17/7£631
Sun 6/908:57
IAH
-
LGW
1 stop19h 03m
Multiple Airlines
Sat 12/914:00
LGW
-
IAH
2 stops28h 40m
Multiple Airlines
Deal found 19/7£631
Wed 2/906:45
IAH
-
STN
2 stops25h 35m
Multiple Airlines
Tue 8/918:55
STN
-
IAH
2 stops24h 40m
Multiple Airlines
Deal found 16/7£632
Sat 8/819:23
IAH
-
LGW
1 stop32h 37m
Multiple Airlines
Sat 15/814:00
LGW
-
IAH
1 stop24h 45m
Multiple Airlines
Deal found 16/7£632
Sun 2/819:23
IAH
-
LGW
1 stop32h 37m
Multiple Airlines
Fri 21/814:00
LGW
-
IAH
1 stop30h 32m
Multiple Airlines
Deal found 20/7£633
Mon 31/811:35
IAH
-
LGW
2 stops18h 10m
Multiple Airlines
Sun 13/914:00
LGW
-
IAH
1 stop37h 00m
Multiple Airlines
Deal found 19/7£633
Wed 16/921:10
IAH
-
STN
1 stop19h 00m
Turkish Airlines
Thu 24/917:35
STN
-
IAH
1 stop31h 40m
Turkish Airlines
Deal found 20/7£634
Mon 10/819:23
IAH
-
LGW
1 stop32h 37m
Multiple Airlines
Fri 14/814:00
LGW
-
IAH
1 stop34h 25m
Multiple Airlines
Deal found 16/7£634

Find flight deals from George Bush Intcntl to London

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to London (LON). 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 20 July 2026.

Round-trip from

£624

One-way from

£263

Popular in

June

Cheapest in

September

Average price

£841

Good round-trip deal

£444 or less

Good one-way deal

£303 or less
11/11-18/11
  • 11/11-18/11
  • 3 total stops
  • 34h 09m total
  • Houston to London
Search Deals
18/9
  • 18/9
  • 3 total stops
  • 59h 02m total
  • Houston to London
Search Deals
Highest demand for flights based on searches. 26% potential increase in price (£173 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£30 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 Houston George Bush Intcntl to London (LON).
Search Deals
Price to beat on a one-way flight from Houston George Bush Intcntl to London (LON).
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from George Bush Intcntl to London 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 20 July 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to London that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonLondon

IAH - STN

IAHSTN

Houston George Bush Intcntl

Mon 21/9

14:30-22:10

1 stop25h 40m

London Stansted

Wed 30/9

06:55-19:15

1 stop18h 20m

£640

HoustonLondon

IAH - STN

IAHSTN

Houston George Bush Intcntl

Wed 9/9

21:10-16:40

1 stop37h 30m

London Stansted

Fri 18/9

06:55-19:15

1 stop18h 20m

£640

HoustonLondon

IAH - STN

IAHSTN

Houston George Bush Intcntl

Tue 20/10

21:10-16:40

1 stop37h 30m

London Stansted

Tue 27/10

17:20-20:05

1 stop31h 45m

£642

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Thu 15/10

21:10-16:45

1 stop37h 35m

London Gatwick

Tue 20/10

17:35-19:15

1 stop31h 40m

£646

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 9/9

21:10-09:55

1 stop30h 45m

London Gatwick

Fri 18/9

07:25-19:15

1 stop17h 50m

£646

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 16/9

21:10-22:30

1 stop19h 20m

London Gatwick

Thu 24/9

10:50-12:45

1 stop31h 55m

£647

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 27/10

18:10-11:50

1 stop36h 40m

London Heathrow

Fri 6/11

06:35-16:20

1 stop15h 45m

£648

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 2/9

13:45-10:00

1 stop14h 15m

London Gatwick

Sun 6/9

14:00-08:02

1 stop24h 02m

£660

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Tue 20/10

15:55-09:25

1 stop11h 30m

London Gatwick

Tue 27/10

16:45-11:42

2 stops23h 57m

£662

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Mon 9/11

12:55-15:45

2 stops20h 50m

London Gatwick

Tue 17/11

10:00-23:58

2 stops19h 58m

£665

Flights are sorted by cheapest return flights first.

Deals found on 20/7

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from George Bush Intcntl to London

Have a flexible travel schedule? Discover the best time to fly to London from George Bush Intcntl 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 Houston George Bush Intcntl Airport to London

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

Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of £520). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of £1,057). 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 IAH to LON?

Find hourly flight availability from George Bush Intcntl to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 20 July 2026.

When flying from Houston George Bush Intcntl Airport to London, 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 Houston George Bush Intcntl Airport to London

Explore weekly flight availability from George Bush Intcntl to London. 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 20 July 2026.

The most flights from IAH to LON 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 for a return flight from Houston George Bush Intcntl Airport to London?

How often are flights from Houston to London delayed?

About 22% of weekly flights between Houston and London have experienced delays in the past year, with the average delay time being 146 minutes.

What is the most punctual flight time for Houston to London flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Saturday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Houston to London flights?

Over the past year, British Airways have had the lowest number of delays on this route, with just 16% of flights being delayed.

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

The price you pay for your flight from Houston George Bush Intcntl Airport to London may vary depending on when you book. For the best chance of a lower fare, look to book 54 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated 20 July 2026.
Read through reviews of airlines operating flights from Houston George Bush Intcntl Airport to London, such as United Airlines,Lufthansa, andBritish Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,014 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
10,014 reviews
United Airlines
7.4
Good
10,014 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
Lufthansa
6.8
Okay
8,150 reviews
United Airlines
7.4
Good
10,014 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
British Airways
6.7
Okay
8,124 reviews
United Airlines
7.4
Good
10,014 reviews
Check prices

Comfort

7.3

Crew

8.1

Entertainment

7.1

Overall

7.4

Boarding

7.7

Food

6.6

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to London. 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 Houston George Bush Intcntl Airport to London?

    A quick flight from Houston George Bush Intcntl Airport to London can take about 11h 30m. Turkish Airlines provides one of the quickest options available for as low as £662. Airlines will cover a distance of 4840 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to London round-trip?

    Flying on Virgin Atlantic is currently your cheapest option to London, with prices starting at £301. Additional return tickets that might be worth considering are offered by Lufthansa and United Airlines, with the lowest prices starting at £385 and £388, respectively. These flights start at 52% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to London one-way?

    For one-way options, check prices for British Airways. According to our data, you can fly for as low as £290. Users have also found prices from £292 and £300 on United Airlines and Lufthansa, respectively.

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

    The most popular flight routes from Houston George Bush Intcntl Airport to London are Houston George Bush Intcntl - London Heathrow, Houston George Bush Intcntl - London Gatwick and Houston George Bush Intcntl - London Stansted.

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

    Before booking your flight to London from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: American Airlines (76%), Aer Lingus (76%), Finnair( 76%).

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

    On average you can expect to pay £755 for a flight from Houston George Bush Intcntl Airport to London. The cheapest flight overall is £249 while the most popular route, (Houston George Bush Intcntl - London Heathrow) is currently priced at £613.

  • Can I find deals for flights from George Bush Intcntl to London that include hotel bookings?

    Yes. In addition to deals on George Bush Intcntl to London flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from George Bush Intcntl to London?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to London.

  • Can I find deals for business class flights from George Bush Intcntl to London?

    Yes. Cheapflights offers flight deals from George Bush Intcntl to London 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 Houston George Bush Intcntl Airport to London?

    Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London (average of £520). Flying from Houston George Bush Intcntl Airport to London in June is currently the most expensive (average of £1,057). 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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Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from George Bush Intcntl to London

Discover the top 4 airlines that operate flights from George Bush Intcntl to London. 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 20 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£301Average£491FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapest£385Average£465FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£388Average£681FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
British AirwaysCheapest£423Average£578FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

Cheapflights makes it easy to find George Bush Intcntl to London 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 George Bush Intcntl to London?

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

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

Can Cheapflights notify me if prices for flights from George Bush Intcntl to London become cheaper?

Yes! Start tracking prices for George Bush Intcntl to London flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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