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Cheap flights from London Heathrow Airport to Houston George Bush Intcntl Airport from £280

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 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — IAH
25 Mar — 1 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Houston George Bush Intcntl are usually found in February or January, booked 87 days in advance, depart on a Wednesday or Tuesday and return on a Monday

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 20 March 2025.

Round-trip from

£531

One-way from

£280

Popular in

August

Cheapest in

February

Average price

£656

Good round-trip deal

£652 or less

Good one-way deal

£543 or less
5/5-19/5
  • 5/5-19/5
  • 4 total stops
  • 60h 54m total
  • London to Houston
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7/5
  • 7/5
  • 3 total stops
  • 33h 55m total
  • London to Houston
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£109 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from London Heathrow to Houston George Bush Intcntl.
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Price to beat on a one-way flight from London Heathrow to Houston George Bush Intcntl.
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Find flight deals from Heathrow to George Bush Intcntl

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 20 March 2025.

Mon 5/515:50LHR - IAH
2 stops31h 08mMultiple Airlines
Mon 19/518:44IAH - LHR
2 stops29h 46mMultiple Airlines
Deal found 19/3£531
Tue 6/513:10LHR - IAH
1 stop13h 53mFinnair
Tue 20/512:09IAH - LHR
1 stop15h 16mFinnair
Deal found 19/3£536
Fri 4/709:30LHR - IAH
1 stop16h 06mLufthansa
Sat 26/721:56IAH - LHR
1 stop27h 29mLufthansa
Deal found 20/3£580
Thu 1/511:55LHR - IAH
1 stop32h 30mIcelandair
Sun 4/518:58IAH - LHR
1 stop29h 32mIcelandair
Deal found 18/3£591
Thu 27/308:20LHR - IAH
1 stop34h 19mBritish Airways
Wed 9/411:56IAH - LHR
1 stop12h 59mBritish Airways
Deal found 19/3£605
Sat 26/408:15LHR - IAH
1 stop14h 37mJetBlue
Tue 6/513:25IAH - LHR
1 stop14h 05mJetBlue
Deal found 19/3£620
Thu 27/315:00LHR - IAH
1 stop36h 18mAir Canada
Wed 9/408:45IAH - LHR
1 stop15h 45mAir Canada
Deal found 19/3£699
Fri 27/622:25LHR - IAH
1 stop26h 40mTurkish Airlines
Sun 6/721:00IAH - LHR
1 stop17h 50mTurkish Airlines
Deal found 19/3£701
Wed 9/410:00LHR - IAH
Nonstop10h 20mAustrian Airlines
Mon 14/420:10IAH - LHR
Nonstop9h 25mAustrian Airlines
Deal found 19/3£712

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 20 March 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

Mon 5/5

15:50-16:58

2 stops31h 08m

Houston George Bush Intcntl

Mon 19/5

18:44-06:30

2 stops29h 46m

£531

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 6/5

13:10-21:03

1 stop13h 53m

Houston George Bush Intcntl

Tue 20/5

12:09-09:25

1 stop15h 16m

£536

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 26/6

07:25-16:25

1 stop15h 00m

Houston George Bush Intcntl

Sat 19/7

21:56-07:25

1 stop27h 29m

£569

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 1/5

11:55-14:25

1 stop32h 30m

Houston George Bush Intcntl

Sun 4/5

18:58-06:30

1 stop29h 32m

£591

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 26/4

08:15-16:52

1 stop14h 37m

Houston George Bush Intcntl

Tue 6/5

13:25-09:30

1 stop14h 05m

£620

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 5/5

12:15-20:55

1 stop14h 40m

Houston George Bush Intcntl

Mon 12/5

15:25-06:40

Nonstop9h 15m

£648

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 3/9

06:40-23:39

2 stops22h 59m

Houston George Bush Intcntl

Wed 17/9

16:00-21:40

2 stops23h 40m

£689

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 27/6

22:25-19:05

1 stop26h 40m

Houston George Bush Intcntl

Sun 6/7

21:00-20:50

1 stop17h 50m

£701

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 9/4

10:00-14:20

Nonstop10h 20m

Houston George Bush Intcntl

Mon 14/4

20:10-11:35

Nonstop9h 25m

£712

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 4/7

09:25-13:40

Nonstop10h 15m

Houston George Bush Intcntl

Tue 29/7

11:05-09:25

1 stop16h 20m

£720

Flights are sorted by cheapest return flights first.

Deals found on 18/3

Showing 1-10 of 25 results
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 14 March 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 87 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, February is the cheapest month in which you can book a flight from London Heathrow Airport to Houston George Bush Intcntl Airport (average of £680). Flying from London Heathrow Airport 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 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 20 March 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 17% on the flight price compared to flying at midday, 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 16 March 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. Sunday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from London Heathrow Airport to Houston George Bush Intcntl Airport

Explore weekly flight availability from Heathrow 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 20 March 2025.

The most flights from LHR to IAH are scheduled on a Tuesday (22 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (14 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 20 March 2025.
Read reviews from past customers who have flown Finnair, Austrian Airlines and SWISS from London to Houston. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Finnair
7.6
Good
1,266 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Finnair
7.6
Good
1,266 reviews
Finnair
7.6
Good
1,266 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Austrian Airlines
7.6
Good
768 reviews
Finnair
7.6
Good
1,266 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
SWISS
7.5
Good
1,567 reviews
Finnair
7.6
Good
1,266 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
Aeromexico
7.5
Good
1,703 reviews
Finnair
7.6
Good
1,266 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.
United Airlines
7.4
Good
8,609 reviews
Finnair
7.6
Good
1,266 reviews
Check prices

Boarding

7.6

Crew

8.1

Overall

7.6

Entertainment

6.9

Food

6.7

Comfort

7.4

Reviews

1 / 20
6.0
Good

Rowland,Dec 2024

FRA - HEL

Finnair need to get a better system for boarding. Hundreds of passengers all attempting to get their boarding cards and passports checked at the gate and then get onto the aircraft is ridiculous, time consuming and frankly unfair to passengers.

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.

  • What are the cheapest airlines flying from London Heathrow Airport to Houston George Bush Intcntl Airport round-trip?

    According to our current data, Finnair (£536), Lufthansa (£569), and Icelandair (£591) offers the cheapest pricing from London Heathrow Airport to Houston George Bush Intcntl Airport. Users have found that Finnair is 28% 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 £380. However, be on the lookout for offers from Aer Lingus and Austrian Airlines, 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 (85%) and Brussels Airlines (85%).

  • 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 £1,626, our data indicates the cheapest price to be £443. The most popular route (London Heathrow - Houston George Bush Intcntl), is priced around £399.

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

    Of the flights from London Heathrow Airport to Houston George Bush Intcntl Airport that have stopovers, most of them stop in Dallas.

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

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

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

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Livingston
The Woodlands
Conroe

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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 20 March 2025.
British Airways flights from London Heathrow to Houston George Bush Intcntl
Finnair flights from London Heathrow to Houston George Bush Intcntl
Lufthansa 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 20 March 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£395Average£492FlexibilityNo cancel feeOn-time60%
Search WestJet flights
IcelandairCheapest£469Average£553FlexibilityNo cancel feeOn-time76%
Search Icelandair flights
JetBlueCheapest£483Average£607FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
IberiaCheapest£506Average£822FlexibilityNo cancel feeOn-time77%
Search Iberia flights
FinnairCheapest£516Average£643FlexibilityNo cancel feeOn-time76%
Search Finnair flights
Turkish AirlinesCheapest£521Average£724FlexibilityNo cancel feeOn-time77%
Search Turkish Airlines flights
LufthansaCheapest£523Average£820FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
British AirwaysCheapest£555Average£729FlexibilityNo cancel feeOn-time70%
Search British Airways flights
United AirlinesCheapest£596Average£863FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Brussels AirlinesCheapest£631Average£816FlexibilityNo 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?

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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