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Cheap flights from London to Houston George Bush Intcntl Airport from £269

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 15/5. Fares are subject to change and may not be available on all flights or dates of travel.
LON — IAH
21 Apr — 28 Apr1
1 adult

Cheapflights Tip: The best prices from London to Houston George Bush Intcntl are usually found in March or September, booked 78 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 16 April 2025.

Round-trip from

£456

One-way from

£269

Popular in

August

Cheapest in

March

Average price

£747

Good round-trip deal

£647 or less

Good one-way deal

£685 or less
12/5-20/5
  • 12/5-20/5
  • 5 total stops
  • 63h 21m total
  • London to Houston
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15/5
  • 15/5
  • 3 total stops
  • 40h 16m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£75 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
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Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Houston George Bush Intcntl.
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Price to beat on a one-way flight from London (LON) to Houston George Bush Intcntl.
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Find 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 16 April 2025.

Thu 24/414:00LGW - IAH
1 stop16h 25mMultiple Airlines
Wed 7/518:44IAH - LGW
1 stop29h 36mMultiple Airlines
Deal found 15/4£447
Mon 12/508:40LHR - IAH
3 stops30h 05mMultiple Airlines
Tue 20/518:44IAH - LHR
2 stops33h 16mMultiple Airlines
Deal found 15/4£456
Thu 4/912:10LGW - IAH
1 stop32h 07mIcelandair
Wed 24/915:15IAH - LGW
1 stop12h 20mIcelandair
Deal found 15/4£521
Wed 10/908:25LHR - IAH
1 stop35h 52mIcelandair
Wed 17/915:15IAH - LHR
1 stop33h 15mIcelandair
Deal found 14/4£539
Sat 25/1013:00LHR - IAH
2 stops25h 21mLufthansa
Sat 1/1119:55IAH - LHR
1 stop13h 50mLufthansa
Deal found 14/4£554
Wed 21/513:05LCY - IAH
3 stops30h 45mMultiple Airlines
Wed 28/507:05IAH - LCY
3 stops29h 40mMultiple Airlines
Deal found 14/4£556
Thu 22/518:55STN - IAH
2 stops24h 20mMultiple Airlines
Wed 28/515:30IAH - STN
2 stops24h 55mMultiple Airlines
Deal found 14/4£573
Wed 24/906:30LHR - IAH
2 stops23h 46mIberia
Thu 2/1015:30IAH - LHR
Nonstop9h 10mIberia
Deal found 14/4£582
Thu 1/509:25LHR - IAH
Nonstop10h 15mBritish Airways
Thu 22/516:43IAH - LHR
1 stop12h 22mBritish Airways
Deal found 14/4£601
Mon 5/508:25LHR - IAH
1 stop15h 38mJetBlue
Mon 12/511:51IAH - LHR
1 stop12h 39mJetBlue
Deal found 14/4£605
Thu 8/505:30LGW - IAH
1 stop37h 10mTurkish Airlines
Tue 13/521:00IAH - LGW
1 stop19h 20mTurkish Airlines
Deal found 15/4£632
Thu 4/913:40LHR - IAH
Nonstop10h 15mBrussels Airlines
Wed 24/920:15IAH - LHR
Nonstop9h 20mBrussels Airlines
Deal found 14/4£639

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 16 April 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

Mon 12/5

08:40-08:45

3 stops30h 05m

Houston George Bush Intcntl

Tue 20/5

18:44-10:00

2 stops33h 16m

£456

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 30/4

10:00-18:18

1 stop14h 18m

Houston George Bush Intcntl

Sat 28/6

16:25-06:55

1 stop32h 30m

£471

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Thu 4/9

12:10-14:17

1 stop32h 07m

Houston George Bush Intcntl

Wed 24/9

15:15-09:35

1 stop12h 20m

£521

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 10/9

08:25-14:17

1 stop35h 52m

Houston George Bush Intcntl

Wed 17/9

15:15-06:30

1 stop33h 15m

£539

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 10/7

13:40-17:55

Nonstop10h 15m

Houston George Bush Intcntl

Sat 23/8

18:30-05:55

2 stops29h 25m

£555

LondonHouston

LCY - IAH

LCYIAH

London City

Wed 21/5

13:05-13:50

3 stops30h 45m

Houston George Bush Intcntl

Wed 28/5

07:05-18:45

3 stops29h 40m

£556

LondonHouston

STN - IAH

STNIAH

London Stansted

Thu 22/5

18:55-13:15

2 stops24h 20m

Houston George Bush Intcntl

Wed 28/5

15:30-22:25

2 stops24h 55m

£573

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 24/9

06:30-00:16

2 stops23h 46m

Houston George Bush Intcntl

Thu 2/10

15:30-06:40

Nonstop9h 10m

£582

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 1/5

09:25-13:40

Nonstop10h 15m

Houston George Bush Intcntl

Thu 22/5

16:43-11:05

1 stop12h 22m

£601

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 5/5

08:25-18:03

1 stop15h 38m

Houston George Bush Intcntl

Mon 12/5

11:51-06:30

1 stop12h 39m

£605

Flights are sorted by cheapest return flights first.

Deals found on 15/4

Showing 1-10 of 55 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 11 April 2025.

Booking 78 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, February is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of £680). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). 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 16 April 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 15% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from London to Houston George Bush Intcntl Airport?

Use this chart to determine the cheapest time to fly return from London to George Bush Intcntl. Price data was last updated on 15 September 2024.

Travellers seeking maximum savings on their London to Houston George Bush Intcntl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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 16 April 2025.

The most flights from LON to IAH are scheduled on a Monday (22 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (12 on average).

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston George Bush Intcntl Airport ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston George Bush Intcntl Airport when rainfall is around 81.0 mm.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

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 16 April 2025.
To help decide which airline to fly from London to Houston, see what other customers have to say about Delta, KLM and Finnair. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very Good
7,917 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,326 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,269 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
775 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.5
Good
1,435 reviews
Delta
8.0
Very Good
7,917 reviews
Check prices

Overall

8.0

Food

7.3

Crew

8.5

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 £521. Other airlines that can offer you cheap pricing are Lufthansa, from £555, and Iberia, from £582. Icelandair is currently priced 27% 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?

    £380 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Icelandair and Lufthansa, with prices starting from £572 and £592, 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 City - Houston George Bush Intcntl or London Gatwick - 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 (83%), Austrian Airlines (83%) and Brussels Airlines (83%).

  • 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 £449. On average you can expect to pay £1,136. The most popular route, (London Heathrow - Houston George Bush Intcntl), can usually be booked for £380.

  • Where are the most common stopover locations when flying from London to Houston George Bush Intcntl Airport?

    Flights departing from London and landing in Houston George Bush Intcntl Airport stopover in Miami most frequently.

  • What are some popular things to do or see while on a stopover in Miami?

    The majority of Miami visitors spend their time at Bayfront Park, Kaseya Center, and Bayside Marketplace. Those on a stopover in Miami interested in visiting Bayfront Park, Kaseya Center, or Bayside Marketplace can do so by traveling 6.4 mi, 6.2 mi, and 6.4 mi, respectively from Miami. Travellers can book a car hire at Miami for about £25 per day to make their sightseeing more efficient.

  • Where are the least popular stopover locations for London to Houston George Bush Intcntl Airport flights?

    London to Houston George Bush Intcntl Airport flights have a stopover in Dallas least often.

  • 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, February is the cheapest month in which you can book a flight from London to Houston George Bush Intcntl Airport (average of £680). Flying from London to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). 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.

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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 16 April 2025.
British Airways flights from London to Houston George Bush Intcntl
Finnair flights from London to Houston George Bush Intcntl
Lufthansa 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 16 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£388Average£475FlexibilityNo cancel feeOn-time60%
Search WestJet flights
JetBlueCheapest£475Average£594FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£479Average£572FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
IberiaCheapest£500Average£813FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£508Average£636FlexibilityNo cancel feeOn-time76%
Search Finnair flights
LufthansaCheapest£516Average£807FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£546Average£722FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£606Average£824FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Brussels AirlinesCheapest£620Average£824FlexibilityNo cancel feeOn-timeN/A
Search Brussels Airlines flights
Turkish AirlinesCheapest£622Average£704FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights

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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.

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

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