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Cheap flights from London Heathrow Airport to Houston George Bush Intcntl Airport from £343

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.
LHR — IAH
10 May — 17 May1
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 September, booked 88 days in advance, depart on a Thursday or Wednesday 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 10 April 2026.

Wed 20/511:55
LHR
-
IAH
1 stop34h 49m
JetBlue
Thu 28/511:56
IAH
-
LHR
1 stop26h 49m
JetBlue
Deal found 7/4£631
Tue 26/521:05
LHR
-
IAH
3 stops32h 31m
Multiple Airlines
Thu 4/607:15
IAH
-
LHR
3 stops27h 10m
Multiple Airlines
Deal found 6/4£631
Wed 29/408:40
LHR
-
IAH
1 stop33h 04m
JetBlue
Wed 6/512:44
IAH
-
LHR
1 stop11h 46m
JetBlue
Deal found 7/4£634
Sun 22/1109:20
LHR
-
IAH
1 stop30h 11m
JetBlue
Wed 9/1213:36
IAH
-
LHR
1 stop11h 19m
JetBlue
Deal found 5/4£637
Mon 11/507:05
LHR
-
IAH
3 stops22h 31m
Multiple Airlines
Thu 28/506:50
IAH
-
LHR
2 stops27h 35m
Multiple Airlines
Deal found 10/4£640
Tue 14/408:30
LHR
-
IAH
3 stops21h 29m
Multiple Airlines
Tue 21/407:00
IAH
-
LHR
3 stops22h 50m
Multiple Airlines
Deal found 7/4£640
Thu 21/508:15
LHR
-
IAH
1 stop14h 29m
JetBlue
Mon 27/717:09
IAH
-
LHR
1 stop31h 21m
JetBlue
Deal found 9/4£641
Tue 12/508:40
LHR
-
IAH
1 stop33h 12m
JetBlue
Thu 28/517:44
IAH
-
LHR
1 stop21h 01m
JetBlue
Deal found 9/4£643
Thu 30/410:25
LHR
-
IAH
1 stop19h 34m
Multiple Airlines
Thu 14/506:50
IAH
-
LHR
1 stop18h 25m
Multiple Airlines
Deal found 8/4£645
Thu 21/507:05
LHR
-
IAH
3 stops30h 28m
Multiple Airlines
Fri 29/506:50
IAH
-
LHR
2 stops24h 05m
Multiple Airlines
Deal found 8/4£646
Fri 22/521:05
LHR
-
IAH
3 stops31h 11m
Multiple Airlines
Sun 7/608:28
IAH
-
LHR
3 stops22h 27m
Multiple Airlines
Deal found 7/4£647

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 10 April 2026.

Round-trip from

£631

One-way from

£343

Popular in

July

Cheapest in

January

Average price

£821

Good round-trip deal

£734 or less

Good one-way deal

£691 or less
JetBlue
  • JetBlue
  • 20/5-28/5
  • 2 total stops
  • 61h 38m total
  • London to Houston
Search Deals
15/5
  • 15/5
  • 3 total stops
  • 53h 44m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 11% potential increase in price (£72 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£13 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
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 10 April 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 5/7

22:40-12:45

1 stop20h 05m

Houston George Bush Intcntl

Sat 25/7

21:05-16:40

1 stop37h 35m

£772

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 4/7

08:15-17:25

1 stop15h 10m

Houston George Bush Intcntl

Thu 6/8

11:50-09:30

1 stop15h 40m

£793

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 13/5

07:05-23:55

3 stops22h 50m

Houston George Bush Intcntl

Thu 28/5

14:20-18:30

2 stops22h 10m

£859

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 7/5

07:25-16:35

1 stop15h 10m

Houston George Bush Intcntl

Mon 11/5

12:40-09:40

1 stop15h 00m

£906

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 5/7

08:15-17:25

1 stop15h 10m

Houston George Bush Intcntl

Thu 6/8

11:50-09:30

1 stop15h 40m

£910
Fastest return journey

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 27/4

10:00-14:25

Nonstop10h 25m

Houston George Bush Intcntl

Mon 11/5

20:05-11:35

Nonstop9h 30m

£920

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 29/4

07:25-16:35

1 stop15h 10m

Houston George Bush Intcntl

Sun 3/5

13:36-09:20

1 stop13h 44m

£922

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 13/6

06:30-19:10

1 stop18h 40m

Houston George Bush Intcntl

Thu 18/6

21:05-22:25

1 stop19h 20m

£939

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 1/5

07:25-16:35

1 stop15h 10m

Houston George Bush Intcntl

Sat 9/5

10:08-21:00

2 stops52h 52m

£942
Cheapest one-way

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sun 31/5

08:15-16:44

1 stop14h 29m

£416

Flights are sorted by cheapest return flights first.

Deals found on 6/4

Showing 1-10 of 21 resultsSorted by cheapest first
1
2
3

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 3 April 2026.

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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of £386). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £679). 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 10 April 2026.

When flying from London Heathrow Airport to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 10 April 2026.
Read through reviews of airlines operating flights from London Heathrow Airport to Houston George Bush Intcntl Airport, such as Austrian Airlines,United Airlines, andJetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.6
Good
905 reviews
Check prices

Comfort

7.3

Entertainment

6.8

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Austrian Airlines
7.6
Good
905 reviews
Austrian Airlines
7.6
Good
905 reviews
Check prices

Comfort

7.3

Entertainment

6.8

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
United Airlines
7.4
Good
9,568 reviews
Austrian Airlines
7.6
Good
905 reviews
Check prices

Comfort

7.3

Entertainment

6.8

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
JetBlue
7.2
Good
2,928 reviews
Austrian Airlines
7.6
Good
905 reviews
Check prices

Comfort

7.3

Entertainment

6.8

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
Lufthansa
6.8
Okay
7,909 reviews
Austrian Airlines
7.6
Good
905 reviews
Check prices

Comfort

7.3

Entertainment

6.8

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.
British Airways
6.7
Okay
7,871 reviews
Austrian Airlines
7.6
Good
905 reviews
Check prices

Comfort

7.3

Entertainment

6.8

Food

6.8

Crew

8.1

Boarding

7.6

Overall

7.6

Reviews

1 / 20
10.0
Excellent

KENNETH,Mar 2026

VIE - EWR

Everything was great, took off on time, arrived on time, boarding was smooth, food and movies were great.

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 £793, Turkish Airlines can have you in Houston George Bush Intcntl Airport from London Heathrow Airport in 15h 10m. 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, Iberia (£349), Virgin Atlantic (£387), and KLM (£439) offers the cheapest pricing from London Heathrow Airport to Houston George Bush Intcntl Airport. Users have found that Iberia is 54% 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 £304. However, be on the lookout for offers from Finnair and Lufthansa, 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 (85%), 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 £1,118, our data indicates the cheapest price to be £511. The most popular route (London Heathrow - Houston George Bush Intcntl), is priced around £555.

  • 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, January is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of £386). Flying from London Heathrow Airport to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £679). 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 10 April 2026.
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 10 April 2026.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest£349Average£826FlexibilityNo cancel feeOn-time77%
Search Iberia flights
Virgin AtlanticCheapest£387Average£733FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£439Average£794FlexibilityNo cancel feeOn-time75%
Search KLM flights
IcelandairCheapest£488Average£731FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£510Average£675FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
LufthansaCheapest£514Average£759FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£553Average£591FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
FinnairCheapest£554Average£808FlexibilityNo cancel feeOn-time76%
Search Finnair flights
British AirwaysCheapest£566Average£728FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Brussels AirlinesCheapest£570Average£747FlexibilityNo cancel feeOn-timeN/A
Search Brussels 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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