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Cheap flights from London Heathrow Airport to Houston George Bush Intcntl Airport from £286

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAH
27 Dec — 3 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 February or January, booked 54 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

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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 27 November 2025.

Wed 3/1214:50LHR - IAH
1 stop27h 54mMultiple Airlines
Sat 14/307:05IAH - LHR
2 stops20h 00mMultiple Airlines
Deal found 24/11£606
Tue 2/1214:50LHR - IAH
1 stop27h 54mMultiple Airlines
Fri 5/1208:49IAH - LHR
2 stops20h 36mMultiple Airlines
Deal found 25/11£607
Tue 2/1212:15LHR - IAH
3 stops32h 09mMultiple Airlines
Mon 8/1208:49IAH - LHR
2 stops28h 41mMultiple Airlines
Deal found 24/11£611
Thu 27/1114:50LHR - IAH
3 stops26h 19mMultiple Airlines
Thu 4/1218:35IAH - LHR
2 stops30h 35mMultiple Airlines
Deal found 26/11£612
Mon 8/1210:20LHR - IAH
2 stops19h 35mScandinavian Airlines
Mon 15/1218:39IAH - LHR
2 stops15h 21mScandinavian Airlines
Deal found 26/11£614
Tue 2/1214:50LHR - IAH
1 stop27h 54mMultiple Airlines
Sun 7/1219:51IAH - LHR
2 stops32h 24mMultiple Airlines
Deal found 25/11£617
Sun 14/1214:50LHR - IAH
1 stop27h 54mWestJet
Thu 22/113:35IAH - LHR
1 stop17h 15mWestJet
Deal found 24/11£619
Wed 17/1209:20LHR - IAH
1 stop14h 28mJetBlue
Mon 12/112:24IAH - LHR
1 stop12h 31mJetBlue
Deal found 26/11£623
Wed 24/1212:15LHR - IAH
2 stops17h 44mMultiple Airlines
Wed 7/105:46IAH - LHR
3 stops23h 04mMultiple Airlines
Deal found 24/11£629
Mon 15/1215:25LHR - IAH
Nonstop10h 35mBritish Airways
Wed 14/115:50IAH - LHR
Nonstop9h 00mBritish Airways
Deal found 26/11£630

Cheap 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 27 November 2025.

Round-trip from

£608

One-way from

£286

Popular in

July

Cheapest in

February

Average price

£686

Good round-trip deal

£676 or less

Good one-way deal

£457 or less
10/1-17/1
  • 10/1-17/1
  • 6 total stops
  • 54h 34m total
  • London to Houston
Search Deals
10/3
  • 10/3
  • 2 total stops
  • 34h 20m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£96 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£16 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 Heathrow to Houston George Bush Intcntl.
Search Deals
Price to beat on a one-way flight from London Heathrow to Houston George Bush Intcntl.
Search Deals

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 27 November 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 13/2

06:40-23:56

3 stops23h 16m

Houston George Bush Intcntl

Sat 21/2

14:23-16:00

2 stops19h 37m

£663

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 15/12

09:20-17:48

1 stop14h 28m

Houston George Bush Intcntl

Thu 22/1

12:24-06:55

1 stop12h 31m

£698

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 15/1

14:50-12:44

1 stop27h 54m

Houston George Bush Intcntl

Sun 25/1

18:20-12:50

1 stop36h 30m

£719

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 23/2

06:35-19:10

1 stop18h 35m

Houston George Bush Intcntl

Thu 26/2

21:05-21:05

1 stop18h 00m

£727

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 15/1

07:05-23:56

3 stops22h 51m

Houston George Bush Intcntl

Sun 25/1

16:06-21:35

3 stops23h 29m

£746

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 7/12

09:35-14:05

Nonstop10h 30m

Houston George Bush Intcntl

Sat 24/1

15:30-12:20

1 stop14h 50m

£749

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 16/4

06:30-19:15

1 stop18h 45m

Houston George Bush Intcntl

Tue 5/5

21:10-21:00

1 stop17h 50m

£750

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 15/1

09:35-14:05

Nonstop10h 30m

Houston George Bush Intcntl

Sun 25/1

16:50-10:00

1 stop11h 10m

£756

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 23/1

12:10-21:22

1 stop15h 12m

Houston George Bush Intcntl

Sun 25/1

14:55-07:50

1 stop10h 55m

£760

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 14/4

13:40-18:05

Nonstop10h 25m

Houston George Bush Intcntl

Sun 3/5

16:20-07:40

Nonstop9h 20m

£767

Flights are sorted by cheapest return flights first.

Deals found on 24/11

Showing 1-10 of 19 results
1
2

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 21 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 £507). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £686). 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 27 November 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 15% on the flight price compared to flying in the morning, which is usually more expensive.

How much does it cost for a return flight from London Heathrow Airport to Houston George Bush Intcntl Airport?

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 27 November 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.
Austrian Airlines
7.6
Good
874 reviews
Check prices

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Comfort

7.3

Overall

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.
Austrian Airlines
7.6
Good
874 reviews
Austrian Airlines
7.6
Good
874 reviews
Check prices

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Comfort

7.3

Overall

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.
Finnair
7.6
Good
1,334 reviews
Austrian Airlines
7.6
Good
874 reviews
Check prices

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Comfort

7.3

Overall

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.
United Airlines
7.4
Good
9,047 reviews
Austrian Airlines
7.6
Good
874 reviews
Check prices

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Comfort

7.3

Overall

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.
Lufthansa
6.8
Okay
7,594 reviews
Austrian Airlines
7.6
Good
874 reviews
Check prices

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Comfort

7.3

Overall

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.
British Airways
6.7
Okay
7,539 reviews
Austrian Airlines
7.6
Good
874 reviews
Check prices

Crew

8.1

Entertainment

6.8

Food

6.8

Boarding

7.6

Comfort

7.3

Overall

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 £698, Scandinavian Airlines can have you in Houston George Bush Intcntl Airport from London Heathrow Airport in 14h 28m. 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 (£193), Virgin Atlantic (£428), and JetBlue (£476) 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 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 £1,206, our data indicates the cheapest price to be £425. The most popular route (London Heathrow - Houston George Bush Intcntl), is priced around £486.

  • 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 £507). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £686). 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 27 November 2025.
British Airways flights from London Heathrow to Houston George Bush Intcntl
Lufthansa flights from London Heathrow to Houston George Bush Intcntl
Finnair flights from London Heathrow to Houston George Bush Intcntl

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 27 November 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£193Average£604FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Virgin AtlanticCheapest£428Average£787FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
JetBlueCheapest£476Average£623FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£496Average£740FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£507Average£764FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£514Average£660FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£546Average£732FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£562Average£598FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapest£607Average£830FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
United AirlinesCheapest£612Average£802FlexibilityNo 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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Why should you use Cheapflights to find cheap flight tickets from Heathrow to George Bush Intcntl?

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

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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