Cheap flights from London Heathrow Airport to Houston George Bush Intcntl Airport from £294

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 4/2. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAH
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from London Heathrow to Houston George Bush Intcntl are usually found in January or February, booked 54 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from Heathrow to George Bush Intcntl

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to George Bush Intcntl
Explore the most affordable flight options available from Heathrow to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Wed 10/1209:20LHR - IAH
1 stop33h 21mJetBlue
Wed 4/314:55IAH - LHR
1 stop34h 00mJetBlue
Deal found 3/12£627
Wed 31/1213:00LHR - IAH
1 stop14h 44mAir Canada
Wed 7/107:10IAH - LHR
1 stop17h 20mAir Canada
Deal found 2/12£648
Thu 11/1209:20LHR - IAH
1 stop14h 28mJetBlue
Sun 14/1218:45IAH - LHR
1 stop30h 10mJetBlue
Deal found 3/12£654
Thu 11/1209:20LHR - IAH
1 stop14h 28mJetBlue
Mon 2/212:24IAH - LHR
1 stop12h 31mJetBlue
Deal found 2/12£657
Thu 11/1207:05LHR - IAH
3 stops22h 54mScandinavian Airlines
Mon 2/216:06IAH - LHR
2 stops23h 34mScandinavian Airlines
Deal found 2/12£659
Thu 11/1217:10LHR - IAH
2 stops36h 49mMultiple Airlines
Mon 2/218:20IAH - LHR
1 stop36h 30mMultiple Airlines
Deal found 2/12£660
Tue 9/1214:50LHR - IAH
1 stop27h 54mMultiple Airlines
Mon 2/216:15IAH - LHR
2 stops21h 55mMultiple Airlines
Deal found 2/12£671
Thu 11/1212:20LHR - IAH
2 stops35h 28mIcelandair
Sun 14/1213:36IAH - LHR
2 stops37h 54mIcelandair
Deal found 4/12£678
Tue 9/1214:50LHR - IAH
1 stop27h 54mMultiple Airlines
Fri 9/119:27IAH - LHR
2 stops44h 08mMultiple Airlines
Deal found 4/12£679
Wed 10/1215:15LHR - IAH
2 stops38h 44mMultiple Airlines
Mon 2/218:20IAH - LHR
1 stop36h 30mMultiple Airlines
Deal found 2/12£683
Mon 8/1209:20LHR - IAH
1 stop14h 28mJetBlue
Mon 15/1213:36IAH - LHR
1 stop11h 19mJetBlue
Deal found 3/12£685

Find flight deals from Heathrow to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 5 December 2025.

Round-trip from

£614

One-way from

£294

Popular in

July

Cheapest in

January

Average price

£847

Good round-trip deal

£706 or less

Good one-way deal

£453 or less
8/1-15/1
  • 8/1-15/1
  • 3 total stops
  • 35h 44m total
  • London to Houston
4/2
  • 4/2
  • 3 total stops
  • 33h 28m total
  • London to Houston
Highest demand for flights based on searches. 14% potential increase in price (£92 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (£16 potential savings vs. average return price).
Average for round-trip flights in December 2025
Price to beat on a round-trip flight from London Heathrow to Houston George Bush Intcntl.
Price to beat on a one-way flight from London Heathrow to Houston George Bush Intcntl.

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow 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 5 December 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Houston George Bush Intcntl Airport that are best for you.

Fly from

Heathrow

Fly to

George Bush Intcntl

Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 30/1

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

Tue 10/2

11:55-05:55

1 stop12h 00m

£731

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 20/2

10:20-23:37

2 stops19h 17m

Houston George Bush Intcntl

Thu 26/2

12:42-21:40

2 stops26h 58m

£734

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 16/1

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

Fri 23/1

17:00-11:15

1 stop12h 15m

£738

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 15/1

10:20-23:37

2 stops19h 17m

Houston George Bush Intcntl

Sun 25/1

16:06-21:35

3 stops23h 29m

£743

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 6/4

06:30-17:25

2 stops16h 55m

Houston George Bush Intcntl

Thu 30/4

14:48-12:20

1 stop15h 32m

£743

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 22/1

10:00-14:45

Nonstop10h 45m

Houston George Bush Intcntl

Mon 26/1

16:20-07:30

Nonstop9h 10m

£750

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 12/1

13:25-21:39

1 stop14h 14m

Houston George Bush Intcntl

Sun 25/1

16:50-10:50

1 stop12h 00m

£755

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 16/4

13:40-18:05

Nonstop10h 25m

Houston George Bush Intcntl

Wed 22/4

16:20-07:40

Nonstop9h 20m

£762

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 26/1

06:40-21:13

3 stops20h 33m

Houston George Bush Intcntl

Sun 26/4

13:15-18:50

3 stops23h 35m

£781

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 7/1

13:25-21:39

1 stop14h 14m

Houston George Bush Intcntl

Thu 15/1

19:05-10:15

Nonstop9h 10m

£803

Flights are sorted by cheapest return flights first.

Deals found on 3/12

Showing 1-10 of 22 results
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Best time to book a flight from Heathrow to George Bush Intcntl

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

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

Use this chart to determine the optimal time to book a return flight from Heathrow to George Bush Intcntl. Price data was last updated on 28 November 2025.

The price you pay for your flight from London Heathrow Airport to Houston George Bush Intcntl Airport 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.

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

Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of £501). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £680). 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 LHR to IAH?

Find hourly flight availability from Heathrow 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 5 December 2025.

It’s typically best to fly out from London Heathrow Airport to Houston George Bush Intcntl Airport in the evening. Doing so could potentially save you 14% on the flight price compared to flying in the morning, which is usually more expensive.

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 5 December 2025.
Read through reviews of airlines operating flights from London Heathrow Airport to Houston George Bush Intcntl Airport, such as Austrian Airlines, Finnair, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.1

Overall

7.6

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

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.

Crew

8.1

Overall

7.6

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

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.

Crew

8.1

Overall

7.6

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

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.

Crew

8.1

Overall

7.6

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

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.

Crew

8.1

Overall

7.6

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

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.

Crew

8.1

Overall

7.6

Comfort

7.3

Food

6.8

Entertainment

6.8

Boarding

7.6

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 Heathrow 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 Heathrow Airport to Houston George Bush Intcntl Airport?

    For as low as £731, United Airlines can have you in Houston George Bush Intcntl Airport from London Heathrow Airport in 14h 45m. London Heathrow Airport 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 Heathrow Airport to Houston George Bush Intcntl Airport round-trip?

    According to our current data, WestJet (£191), Virgin Atlantic (£424), and JetBlue (£471) offers the cheapest pricing from London Heathrow Airport to Houston George Bush Intcntl Airport. Users have found that WestJet is 74% cheaper than the other options available to this destination.

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

    The cheapest airline one-way is WestJet, with whom users have recently found tickets for as low as £258. However, be on the lookout for offers from Lufthansa and British Airways, as they are both options that can get you from London Heathrow Airport to Houston George Bush Intcntl Airport for a low price.

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

    The top 3 most reliable airlines when flying from London Heathrow Airport to Houston George Bush Intcntl Airport are Air Canada (87%), Austrian Airlines (87%) and Brussels Airlines (87%).

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

    Looking for the cheapest flight from London Heathrow Airport to Houston George Bush Intcntl Airport? While on average our users pay £900, our data indicates the cheapest price to be £416. The most popular route (London Heathrow - Houston George Bush Intcntl), is priced around £454.

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

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

  • How can I find direct flights from Heathrow 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 Heathrow to George Bush Intcntl.

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

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

    Currently, September is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of £501). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £680). 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 Heathrow to George Bush Intcntl on these airlines

Choose from the following airlines for your flight from Heathrow to George Bush Intcntl. Flights are based on user searches made on Cheapflights and were last updated on 5 December 2025.

Top 10 airlines flying from Heathrow to George Bush Intcntl

Discover the top 10 airlines that operate flights from Heathrow 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 5 December 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£191Average£598FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapest£424Average£778FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£471Average£630FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£491Average£742FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£500Average£753FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£509Average£652FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£540Average£724FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£556Average£590FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapest£600Average£816FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
United AirlinesCheapest£605Average£792FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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

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

Not ready to book yet? You can track prices for flights from Heathrow to George Bush Intcntl on Cheapflights with our Price Alert feature and get notified when better prices are available.

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