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Cheap flights from Houston George Bush Intcntl Airport to London Heathrow Airport from £269

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 20/7. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — LHR
18 juin — 25 juin1
1 adult

Cheapflights Tip: The best prices from Houston George Bush Intcntl to London Heathrow are usually found in April or September, booked 69 days in advance, depart on a Monday or Sunday and return on a Wednesday

Cheap flight deals from George Bush Intcntl to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Heathrow (LHR). 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 13 juin 2025.

Round-trip from

£509

One-way from

£269

Popular in

June

Cheapest in

April

Average price

£913

Good round-trip deal

£562 or less

Good one-way deal

£334 or less
Lufthansa
  • Lufthansa
  • 26/8-1/9
  • 4 total stops
  • 40h 00m total
  • Houston to London
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JetBlue
  • JetBlue
  • 20/7
  • 1 total stop
  • 12h 32m total
  • Houston to London
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Highest demand for flights based on searches. 21% potential increase in price (£119 potential increase over avg. return price).
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Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).
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Average for round-trip flights in June 2025
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Price to beat on a round-trip flight from Houston George Bush Intcntl to London Heathrow.
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Price to beat on a one-way flight from Houston George Bush Intcntl to London Heathrow.
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Find flight deals from George Bush Intcntl to Heathrow

Cheapest flights from George Bush Intcntl to Heathrow
Explore the most affordable flight options available from George Bush Intcntl to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 13 juin 2025.

mar. 26/818:50IAH - LHR
2 stops16h 50mLufthansa
lun. 1/920:25LHR - IAH
2 stops23h 10mLufthansa
Deal found 12/6£509
lun. 21/711:42IAH - LHR
1 stop13h 33mVirgin Atlantic
jeu. 31/709:40LHR - IAH
2 stops17h 18mVirgin Atlantic
Deal found 12/6£510
jeu. 13/1121:45IAH - LHR
Nonstop9h 00mIberia
ven. 5/1209:30LHR - IAH
Nonstop10h 40mIberia
Deal found 12/6£511
dim. 31/821:40IAH - LHR
Nonstop9h 20mBritish Airways
dim. 7/909:25LHR - IAH
Nonstop10h 15mBritish Airways
Deal found 12/6£511
jeu. 14/811:43IAH - LHR
1 stop13h 02mDelta
mer. 20/806:15LHR - IAH
2 stops19h 45mDelta
Deal found 11/6£515
ven. 19/918:16IAH - LHR
2 stops44h 44mUnited Airlines
dim. 28/910:00LHR - IAH
Nonstop10h 15mUnited Airlines
Deal found 11/6£516
dim. 3/812:00IAH - LHR
2 stops16h 00mAir Canada
mar. 19/806:50LHR - IAH
2 stops18h 46mAir Canada
Deal found 12/6£517
mer. 9/714:29IAH - LHR
1 stop12h 31mFinnair
mer. 23/708:20LHR - IAH
1 stop15h 23mFinnair
Deal found 12/6£528
jeu. 7/816:58IAH - LHR
1 stop11h 32mAmerican Airlines
jeu. 14/814:50LHR - IAH
Nonstop10h 25mAmerican Airlines
Deal found 12/6£534
ven. 8/810:00IAH - LHR
1 stop18h 00mMultiple Airlines
dim. 24/806:50LHR - IAH
2 stops18h 46mMultiple Airlines
Deal found 11/6£539
mer. 6/813:07IAH - LHR
2 stops20h 53mScandinavian Airlines
sam. 16/806:40LHR - IAH
2 stops23h 16mScandinavian Airlines
Deal found 12/6£601

Cheapflights Fare Finder

Customise your flight search to find flights from George Bush Intcntl to Heathrow 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 13 juin 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to London Heathrow Airport that are best for you.

Fly from

George Bush Intcntl

Fly to

Heathrow

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mar. 26/8

18:50-17:40

2 stops16h 50m

London Heathrow

lun. 1/9

20:25-13:35

2 stops23h 10m

£509

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

lun. 21/7

11:42-07:15

1 stop13h 33m

London Heathrow

jeu. 31/7

09:40-20:58

2 stops17h 18m

£510

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

jeu. 30/10

11:05-07:10

1 stop15h 05m

London Heathrow

ven. 7/11

13:25-21:19

1 stop13h 54m

£511

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

dim. 31/8

21:40-13:00

Nonstop9h 20m

London Heathrow

dim. 7/9

09:25-13:40

Nonstop10h 15m

£511

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

dim. 3/8

06:45-10:00

1 stop21h 15m

London Heathrow

mar. 19/8

11:30-04:52

2 stops23h 22m

£512

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

ven. 15/8

07:20-21:00

2 stops55h 40m

London Heathrow

lun. 25/8

06:50-20:45

2 stops19h 55m

£514

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mar. 22/7

12:39-10:30

2 stops15h 51m

London Heathrow

ven. 8/8

15:15-23:51

1 stop14h 36m

£521

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

lun. 7/7

15:30-06:40

Nonstop9h 10m

London Heathrow

jeu. 31/7

08:20-18:31

1 stop16h 11m

£528

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mer. 9/7

14:29-09:00

1 stop12h 31m

London Heathrow

mer. 23/7

08:20-17:43

1 stop15h 23m

£528

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

ven. 4/7

13:18-10:30

1 stop15h 12m

London Heathrow

mer. 22/10

09:25-13:45

Nonstop10h 20m

£539

Flights are sorted by cheapest return flights first.

Deals found on 12/6

Showing 1-10 of 29 results
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Best time to book a flight from George Bush Intcntl to Heathrow

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

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

Use this chart to determine the optimal time to book a return flight from George Bush Intcntl to Heathrow. Price data was last updated on 9 June 2025.

The best time to book flights from Houston George Bush Intcntl Airport to London Heathrow Airport is 69 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London Heathrow Airport (average of £112). Flying from Houston George Bush Intcntl Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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 IAH to LHR?

Find hourly flight availability from George Bush Intcntl to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 13 juin 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to London Heathrow Airport in the morning. Doing so could potentially save you 13% on the flight price compared to flying in the afternoon, which is usually more expensive.

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

Explore weekly flight availability from George Bush Intcntl to Heathrow. 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 13 juin 2025.

The most flights from IAH to LHR are scheduled on a Monday (22 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (17 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 13 juin 2025.
Read through reviews of airlines operating flights from Houston to London, such as Delta, KLM and Austrian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very Good
7,950 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
KLM
7.8
Good
1,358 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Austrian Airlines
7.6
Good
802 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Finnair
7.6
Good
1,290 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
SWISS
7.5
Good
1,624 reviews
Delta
8.0
Very Good
7,950 reviews
Check prices

Boarding

8.2

Comfort

7.9

Food

7.3

Overall

8.0

Entertainment

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Heathrow. 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 Houston George Bush Intcntl Airport to London Heathrow Airport round-trip?

    Our cheapest airline available from Houston George Bush Intcntl Airport to London Heathrow Airport is Lufthansa. Our recent data shows that you can find tickets from as low as £509 on this airline. Additional options worth looking into are Virgin Atlantic and Air Canada, starting at £510 and £511 round-trip. These flights start at 15% lower than the current average price 3 months from now.

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

    To fly one-way, consider booking your trip with JetBlue, which is currently one of the cheapest options available, starting at £269. Iberia flights start at £286 while deals on British Airways start at £288 one-way.

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

    Consider American Airlines (76%), Aer Lingus (76%) or Finnair (76%) when booking your flight. These represent the most reliable airlines when flying from Houston George Bush Intcntl Airport to London Heathrow Airport.

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

    While on average a flight from Houston George Bush Intcntl Airport to London Heathrow Airport is generally £3,103, our data shows the cheapest flight currently is £263. When looking at the most popular route, (Houston George Bush Intcntl - London Heathrow), you can expect to pay £455 for that flight.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from George Bush Intcntl to Heathrow.

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

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

    Currently, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to London Heathrow Airport (average of £112). Flying from Houston George Bush Intcntl Airport to London Heathrow Airport in August is currently the most expensive (average of £164). 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
Deal
Hounslow
Croydon
Milton Keynes
Northampton
Gatwick
Luton
Slough
Wembley
Crawley
Eastbourne
Ilford
Southend-on-Sea
Watford
Hayes
Ipswich
Winchester
Folkestone
Maidstone
Swindon

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Alternative routes for George Bush Intcntl to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Heathrow flights
Hobby to Gatwick flights
George Bush Intcntl to Gatwick flights
George Bush Intcntl to Stansted flights
George Bush Intcntl to Luton flights

Top 4 airlines flying from George Bush Intcntl to Heathrow

Discover the top 4 airlines that operate flights from George Bush Intcntl to Heathrow. 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 13 juin 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£443Average£679FlexibilityNo cancel feeOn-time70%
Search British Airways flights
IberiaCheapest£447Average£508FlexibilityNo cancel feeOn-time77%
Search Iberia flights
LufthansaCheapest£449Average£770FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
United AirlinesCheapest£465Average£723FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from George Bush Intcntl to Heathrow.

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

Certainly. Search results for flights to Heathrow from George Bush Intcntl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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

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