How often are flights from London to Houston delayed?

Historically, on average around 15% of flights between London and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 162 minutes.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

How many flights depart from London Heathrow Airport to Houston on average per week?

139 flights are operational weekly from London Heathrow Airport to Houston as of November 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

How many flights depart from London Heathrow Airport to Houston on average per day?

19 flights are operational daily from London Heathrow Airport to Houston as of November 2025. The most popular departure time for this route is 10:00, with 55% of flights per day taking off at midday.

What is the most punctual flight time for London to Houston flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Which airline has the best punctuality record on London to Houston flights?

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

What is the cheapest airline that flies from London Heathrow to Houston?

WestJet, British Airways, and United Airlines are the most popular carriers operating from London Heathrow to Houston

When did momondo last update prices for flights from London Heathrow Airport to Houston?

Prices for flights from London Heathrow Airport to Houston were last updated today.

How old do you have to be to fly from London Heathrow Airport to Houston?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Houston.

What documentation or ID do you need to fly to Houston?

The travel and health documents required for your trip to Houston can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$811 Cheap Flights from London Heathrow Airport to Houston in 2025/26

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06:40 - 23:37LHR-IAH

22h 57m2 stops

12:42 - 18:50IAH-LHR

24h 08m3 stops

$1,279Scandinavian Airlines

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Thu, 5 Feb - Mon, 16 Feb

06:40 - 23:56LHR-IAH

23h 16m3 stops

16:06 - 18:30IAH-LHR

20h 24m2 stops

$1,285Scandinavian Airlines

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Fri, 16 Jan - Tue, 3 Feb

06:35 - 20:10LHR-IAH

18h 35m1 stop

22:05 - 21:05IAH-LHR

18h 00m1 stop

$1,506Turkish Airlines

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Wed, 11 Mar - Thu, 19 Mar

22:35 - 14:10LHR-IAH

20h 35m1 stop

15:55 - 14:10IAH-LHR

17h 15m1 stop

$1,527Turkish Airlines

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Fri, 13 Mar - Wed, 18 Mar

12:15 - 00:10LHR-HOU

16h 55m2 stops

12:05 - 10:50HOU-LHR

17h 45m2 stops

$1,548Multiple Airlines

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Mon, 9 Mar - Mon, 16 Mar

12:15 - 23:10LHR-HOU

16h 55m2 stops

11:40 - 10:50HOU-LHR

18h 10m2 stops

$1,567Multiple Airlines

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Sat, 7 Mar - Tue, 17 Mar

10:05 - 18:06LHR-HOU

14h 01m1 stop

16:55 - 12:15HOU-LHR

13h 20m1 stop

$1,646British Airways

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Mon, 12 Jan - Mon, 26 Jan

10:15 - 19:50LHR-HOU

14h 35m1 stop

16:20 - 10:00HOU-LHR

12h 40m1 stop

$1,650British Airways

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Wed, 11 Mar - Thu, 19 Mar

08:40 - 21:46LHR-HOU

18h 06m2 stops

13:00 - 09:20HOU-LHR

15h 20m2 stops

$1,657Delta

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Tue, 17 Mar - Tue, 24 Mar

08:40 - 22:28LHR-HOU

19h 48m2 stops

05:25 - 06:20HOU-LHR

18h 55m2 stops

$1,660Delta

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Mon, 23 Feb - Thu, 26 Feb

British Airways flights from London Heathrow Airport to Houston

Our best British Airways deals on London Heathrow Airport to Houston flight tickets

British Airways

12 Jan

LHR10:05London Heathrow

14h 01m

1 stop

HOU18:06Houston Hobby

26 Jan

HOU16:55Houston Hobby

13h 20m

1 stop

LHR12:15London Heathrow

$1,646

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British Airways

11 Mar

LHR10:15London Heathrow

14h 35m

1 stop

HOU19:50Houston Hobby

24 Mar

HOU16:20Houston Hobby

12h 40m

1 stop

LHR10:00London Heathrow

$1,650

Find similar

British Airways

2 Feb

LHR08:20London Heathrow

13h 52m

1 stop

HOU16:12Houston Hobby

21 Feb

HOU16:22Houston Hobby

11h 38m

1 stop

LHR10:00London Heathrow

$1,708

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Delta flights from London Heathrow Airport to Houston

Our best Delta deals on London Heathrow Airport to Houston flight tickets

Delta

29 Dec

LHR10:00London Heathrow

33h 30m

1 stop

IAH13:30Houston George Bush Intcntl

12 Jan

IAH16:46Houston George Bush Intcntl

32h 19m

1 stop

LHR07:05London Heathrow

$1,647

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Delta

17 Mar

LHR08:40London Heathrow

18h 06m

2 stops

HOU21:46Houston Hobby

24 Mar

HOU13:00Houston Hobby

15h 20m

2 stops

LHR09:20London Heathrow

$1,657

Find similar

Delta

23 Feb

LHR08:40London Heathrow

19h 48m

2 stops

HOU22:28Houston Hobby

26 Feb

HOU05:25Houston Hobby

18h 55m

2 stops

LHR06:20London Heathrow

$1,660

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momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Houston that are best for you.

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LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 5/2

06:40-23:37

2 stops22h 57m

Houston George Bush Intcntl

Mon 16/2

12:42-18:50

3 stops24h 08m

$1,279

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 16/1

06:40-23:56

3 stops23h 16m

Houston George Bush Intcntl

Tue 3/2

16:06-18:30

2 stops20h 24m

$1,285

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 11/3

06:35-20:10

1 stop18h 35m

Houston George Bush Intcntl

Thu 19/3

22:05-21:05

1 stop18h 00m

$1,506

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 13/3

22:35-14:10

1 stop20h 35m

Houston George Bush Intcntl

Wed 18/3

15:55-14:10

1 stop17h 15m

$1,527

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 9/3

12:15-00:10

2 stops16h 55m

Houston Hobby

Mon 16/3

12:05-10:50

2 stops17h 45m

$1,548

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Sat 7/3

12:15-23:10

2 stops16h 55m

Houston Hobby

Tue 17/3

11:40-10:50

2 stops18h 10m

$1,567

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 12/1

10:05-18:06

1 stop14h 01m

Houston Hobby

Mon 26/1

16:55-12:15

1 stop13h 20m

$1,646

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 11/3

10:15-19:50

1 stop14h 35m

Houston Hobby

Thu 19/3

16:20-10:00

1 stop12h 40m

$1,650

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Tue 17/3

08:40-21:46

2 stops18h 06m

Houston Hobby

Tue 24/3

13:00-09:20

2 stops15h 20m

$1,657

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 23/2

08:40-22:28

2 stops19h 48m

Houston Hobby

Thu 26/2

05:25-06:20

2 stops18h 55m

$1,660

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How to get the cheapest flight ticket from London Heathrow Airport to Houston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Houston?

If you aren’t able to travel to Houston during the month of January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,344.

What is the cheapest London Heathrow to Houston flight route?

Fly from London Heathrow to Houston George Bush Intcntl for the best London Heathrow - Houston flight prices

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $1,511 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from London Heathrow Airport for as low as $1,249 on momondo.

What cabin class options are available on London Heathrow to Houston flights?

There are 2 cabin classes available to choose from on London Heathrow to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap London Heathrow Airport to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Houston

Fastest flight time	10h 25m
Direct flights	Every day
Airports in Houston	1 airport

The fastest flight from London Heathrow Airport to Houston takes 10h 25m

Direct flights go from London Heathrow Airport to Houston every day.

There is 1 airport near Houston: Houston George Bush Intcntl (IAH)

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How far is London Heathrow to Houston by plane?
There are 7778.5 km between London Heathrow and Houston. Flights usually cover this in 10h 25m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London Heathrow Airport to Houston?
Prices for flights from London Heathrow Airport to Houston were last updated today.
How old do you have to be to fly from London Heathrow Airport to Houston?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from London Heathrow Airport to Houston.
What documentation or ID do you need to fly to Houston?
The travel and health documents required for your trip to Houston can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Houston. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

Why should I use momondo to find a flight deal from London to Houston?

Finding the right flight to Houston from London is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Houston quick and easy, saving you time and money.

Can I find flights from London to Houston with flexible booking policies on momondo?

momondo does allow users to show only those flights to Houston from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Houston?

Once you have performed a search for London to Houston flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from London to Houston right now. Can momondo alert me if prices change?

If you are not ready to book a flight from London to Houston now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Houston and let you know when they change.

An easier way to manage your Houston trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from London Heathrow Airport to Houston from $811

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Find the cheapest flights from London Heathrow Airport to Houston

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Our best Delta deals on London Heathrow Airport to Houston flight tickets

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Use the filters below to find and compare flights from London Heathrow Airport to Houston that are best for you.

See travel insights to Houston from

How to get the cheapest flight ticket from London Heathrow Airport to Houston

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Houston?

If you aren’t able to travel to Houston during the month of January, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,344.

What is the cheapest London Heathrow to Houston flight route?

Fly from London Heathrow to Houston George Bush Intcntl for the best London Heathrow - Houston flight prices

How far in advance should I book a flight to Houston?

What cabin class options are available on London Heathrow to Houston flights?

There are 2 cabin classes available to choose from on London Heathrow to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

What is the cheapest airline that flies from London Heathrow to Houston?

WestJet, British Airways, and United Airlines are the most popular carriers operating from London Heathrow to Houston

How often are flights from London to Houston delayed?

Historically, on average around 15% of flights between London and Houston have experienced a delay on any given week. The average delay length over the past 12 months has been 162 minutes.

What is the most punctual flight time for London to Houston flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Thursday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on London to Houston flights?

According to our data, United Airlines have had the fewest delays on this route over the last 12 months, with about 14% of their flights experiencing any sort of delay.

How many flights depart from London Heathrow Airport to Houston on average per day?

19 flights are operational daily from London Heathrow Airport to Houston as of November 2025. The most popular departure time for this route is 10:00, with 55% of flights per day taking off at midday.

How many flights depart from London Heathrow Airport to Houston on average per week?

139 flights are operational weekly from London Heathrow Airport to Houston as of November 2025. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.

Cheap London Heathrow Airport to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Houston

Fastest flight time

Direct flights

Airports in Houston

How far is London Heathrow to Houston by plane?

When did momondo last update prices for flights from London Heathrow Airport to Houston?

How old do you have to be to fly from London Heathrow Airport to Houston?

What documentation or ID do you need to fly to Houston?

Why use momondo?

Why should I use momondo to find a flight deal from London to Houston?

Can I find flights from London to Houston with flexible booking policies on momondo?

How can momondo help me find flights from London to Houston?

I’m not ready to book a flight from London to Houston right now. Can momondo alert me if prices change?

An easier way to manage your Houston trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to the United States

Airports servicing Texas