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Cheap flights from London Heathrow Airport to Houston George Bush Intcntl Airport from £313

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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAH
13 Nov — 20 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from London Heathrow to Houston George Bush Intcntl are usually found in February or January, booked 88 days in advance, depart on a Wednesday or Thursday 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 14 October 2025.

Sat 15/1106:40LHR - IAH
2 stops21h 07mMultiple Airlines
Thu 20/1105:34IAH - LHR
3 stops28h 51mMultiple Airlines
Deal found 12/10£558
Mon 10/1109:20LHR - IAH
1 stop14h 31mJetBlue
Thu 20/1110:16IAH - LHR
1 stop14h 39mJetBlue
Deal found 12/10£559
Tue 4/1109:20LHR - IAH
1 stop14h 31mJetBlue
Wed 11/212:30IAH - LHR
1 stop12h 25mJetBlue
Deal found 12/10£560
Mon 3/1109:20LHR - IAH
1 stop33h 21mIcelandair
Sat 15/1113:38IAH - LHR
2 stops49h 07mIcelandair
Deal found 12/10£561
Mon 3/1109:20LHR - IAH
1 stop33h 21mIcelandair
Fri 5/1218:45IAH - LHR
1 stop30h 10mIcelandair
Deal found 12/10£562
Wed 12/1112:20LHR - IAH
2 stops35h 31mIcelandair
Wed 19/1113:38IAH - LHR
1 stop11h 17mIcelandair
Deal found 12/10£563
Mon 10/1120:35LHR - IAH
2 stops33h 24mMultiple Airlines
Mon 17/1106:30IAH - LHR
3 stops22h 20mMultiple Airlines
Deal found 13/10£564
Tue 18/1112:20LHR - IAH
2 stops30h 21mIcelandair
Wed 10/1213:36IAH - LHR
2 stops26h 04mIcelandair
Deal found 12/10£565
Tue 4/1109:20LHR - IAH
1 stop14h 31mJetBlue
Mon 9/212:30IAH - LHR
1 stop12h 25mJetBlue
Deal found 12/10£567
Fri 31/1009:20LHR - IAH
1 stop32h 21mJetBlue
Tue 4/1118:46IAH - LHR
1 stop30h 09mJetBlue
Deal found 12/10£568
Thu 30/1009:20LHR - IAH
1 stop32h 21mIcelandair
Wed 26/1120:10IAH - LHR
2 stops31h 20mIcelandair
Deal found 12/10£569

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 14 October 2025.

Round-trip from

£555

One-way from

£313

Popular in

July

Cheapest in

February

Average price

£732

Good round-trip deal

£620 or less

Good one-way deal

£463 or less
JetBlue
  • JetBlue
  • 10/11-24/11
  • 2 total stops
  • 61h 57m total
  • London to Houston
Search Deals
10/11
  • 10/11
  • 2 total stops
  • 53h 03m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£94 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 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 14 October 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

Tue 4/11

09:20-17:51

1 stop14h 31m

Houston George Bush Intcntl

Wed 11/2

12:30-06:55

1 stop12h 25m

£560

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 6/11

09:20-17:51

1 stop14h 31m

Houston George Bush Intcntl

Tue 10/2

12:30-06:55

1 stop12h 25m

£582

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 7/2

06:40-23:59

2 stops23h 19m

Houston George Bush Intcntl

Tue 17/2

16:00-21:35

3 stops23h 35m

£629

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 3/3

14:50-12:45

1 stop27h 55m

Houston George Bush Intcntl

Wed 4/3

18:20-12:50

1 stop36h 30m

£686

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 22/1

07:05-23:59

3 stops22h 54m

Houston George Bush Intcntl

Sun 25/1

16:00-21:20

3 stops23h 20m

£732

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 5/12

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

Mon 8/12

19:05-10:15

Nonstop9h 10m

£745

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 4/11

09:20-17:51

1 stop14h 31m

Houston George Bush Intcntl

Thu 12/2

12:05-06:55

1 stop12h 50m

£756

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 28/11

06:40-23:57

3 stops23h 17m

Houston George Bush Intcntl

Thu 12/2

16:00-17:40

2 stops19h 40m

£764

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 9/2

12:05-16:50

Nonstop10h 45m

Houston George Bush Intcntl

Thu 5/3

19:05-10:15

Nonstop9h 10m

£770

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 10/11

07:05-23:57

3 stops22h 52m

Houston George Bush Intcntl

Mon 24/11

16:13-16:25

3 stops18h 12m

£771

Flights are sorted by cheapest return flights first.

Deals found on 12/10

Showing 1-10 of 23 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 10 October 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 88 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 £688). 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 14 October 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.

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

Use this chart to determine the cheapest time to fly return from Heathrow to George Bush Intcntl. Price data was last updated on 5 October 2025.

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

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 14 October 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
853 reviews
Check prices

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Crew

8.1

Entertainment

6.8

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
853 reviews
Austrian Airlines
7.6
Good
853 reviews
Check prices

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Crew

8.1

Entertainment

6.8

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
1,332 reviews
Austrian Airlines
7.6
Good
853 reviews
Check prices

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Crew

8.1

Entertainment

6.8

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
8,974 reviews
Austrian Airlines
7.6
Good
853 reviews
Check prices

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Crew

8.1

Entertainment

6.8

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
7,480 reviews
Austrian Airlines
7.6
Good
853 reviews
Check prices

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Crew

8.1

Entertainment

6.8

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
7,453 reviews
Austrian Airlines
7.6
Good
853 reviews
Check prices

Food

6.8

Comfort

7.3

Boarding

7.6

Overall

7.6

Crew

8.1

Entertainment

6.8

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 £560, JetBlue can have you in Houston George Bush Intcntl Airport from London Heathrow Airport in 14h 31m. 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, JetBlue (£471), Icelandair (£491), and Lufthansa (£504) offers the cheapest pricing from London Heathrow Airport to Houston George Bush Intcntl Airport. Users have found that JetBlue is 36% 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 (84%), Austrian Airlines (84%) and Brussels Airlines (84%).

  • 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 £809, our data indicates the cheapest price to be £410. The most popular route (London Heathrow - Houston George Bush Intcntl), is priced around £488.

  • 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 £688). 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

Travelling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
The Woodlands

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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 14 October 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 14 October 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£385Average£591FlexibilityNo cancel feeOn-time60%
Search WestJet flights
JetBlueCheapest£471Average£608FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IcelandairCheapest£477Average£731FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
LufthansaCheapest£504Average£756FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
FinnairCheapest£510Average£642FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Virgin AtlanticCheapest£537Average£783FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
British AirwaysCheapest£540Average£730FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Air CanadaCheapest£556Average£591FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Austrian AirlinesCheapest£598Average£809FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
United AirlinesCheapest£605Average£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?

Cheapflights helps you search for flights from Heathrow to George Bush Intcntl via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights helps you find that perfect flight to George Bush Intcntl from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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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