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

123 flights are operational weekly from London Heathrow Airport to Houston as of December 2025. The most popular departure day for this route is Mon, with 18% of flights per week taking off on this day.

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 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.

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

British Airways, TAP AIR PORTUGAL, 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 14% 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.

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

17 flights are operational daily from London Heathrow Airport to Houston as of December 2025. The most popular departure time for this route is 10:00, with 50% of flights per day taking off in the afternoon.

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.

$1,058 Cheap Flights from London Heathrow Airport to Houston in 2025/26

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10:05 - 18:06

LHR

HOU

14h 01m1 stop

18:36 - 06:50

HOU

LHR

30h 14m1 stop

$1,224British Airways

Wed, 14 Jan - Sun, 25 Jan

10:15 - 22:24

LHR

IAH

18h 09m1 stop

18:16 - 12:20

IAH

LHR

12h 04m1 stop

$1,224British Airways

Mon, 12 Jan - Tue, 20 Jan

10:05 - 22:46

LHR

HOU

18h 41m1 stop

18:36 - 10:00

HOU

LHR

33h 24m1 stop

$1,227British Airways

Wed, 14 Jan - Sun, 1 Feb

15:00 - 22:49

LHR

IAH

13h 49m1 stop

16:50 - 10:00

IAH

LHR

11h 10m1 stop

$1,227British Airways

Tue, 27 Jan - Wed, 4 Feb

14:50 - 17:29

LHR

IAH

32h 39m1 stop

18:20 - 12:50

IAH

LHR

36h 30m1 stop

$1,232WestJet

Tue, 13 Jan - Tue, 20 Jan

11:45 - 23:56

LHR

IAH

18h 11m2 stops

16:25 - 11:40

IAH

LHR

13h 15m1 stop

$1,233Delta

Wed, 11 Feb - Wed, 18 Feb

09:35 - 14:05

LHR

IAH

10h 30mdirect

18:10 - 11:40

IAH

LHR

11h 30m1 stop

$1,235British Airways

Wed, 28 Jan - Mon, 2 Feb

15:25 - 20:00

LHR

IAH

10h 35mdirect

15:50 - 06:50

IAH

LHR

9h 00mdirect

$1,238British Airways

Thu, 29 Jan - Wed, 4 Feb

08:20 - 16:12

LHR

HOU

13h 52m1 stop

18:36 - 12:15

HOU

LHR

11h 39m1 stop

$1,261Multiple Airlines

Mon, 19 Jan - Mon, 2 Feb

13:05 - 21:38

LHR

HOU

14h 33m1 stop

10:05 - 08:00

HOU

LHR

15h 55m2 stops

$1,283Delta

Mon, 13 Apr - Thu, 7 May

British Airways flights from London Heathrow Airport to Houston

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

British Airways

14 Jan

LHR10:05London Heathrow

14h 01m

1 stop

HOU18:06Houston Hobby

25 Jan

HOU18:36Houston Hobby

30h 14m

1 stop

LHR06:50London Heathrow

$1,224

Find similar

British Airways

14 Jan

LHR10:05London Heathrow

18h 41m

1 stop

HOU22:46Houston Hobby

1 Feb

HOU18:36Houston Hobby

33h 24m

1 stop

LHR10:00London Heathrow

$1,227

Find similar

British Airways

28 Jan

LHR09:35London Heathrow

10h 30m

IAH14:05Houston George Bush Intcntl

2 Feb

IAH18:10Houston George Bush Intcntl

11h 30m

1 stop

LHR11:40London Heathrow

$1,235

Find similar

KLM flights from London Heathrow Airport to Houston

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

KLM

12 Jan

LHR12:30London Heathrow

16h 03m

1 stop

HOU22:33Houston Hobby

22 Jan

HOU17:04Houston Hobby

12h 36m

1 stop

LHR11:40London Heathrow

$1,729

Find similar

KLM

14 Jan

LHR12:30London Heathrow

16h 03m

1 stop

HOU22:33Houston Hobby

1 Feb

HOU17:04Houston Hobby

12h 36m

1 stop

LHR11:40London Heathrow

$1,737

Find similar

KLM

7 Jan

LHR12:30London Heathrow

16h 03m

1 stop

HOU22:33Houston Hobby

22 Jan

HOU17:04Houston Hobby

12h 36m

1 stop

LHR11:40London Heathrow

$1,756

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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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Fly to

Route

Depart

Return

Price

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 14/1

10:05-18:06

1 stop14h 01m

Houston Hobby

Sun 25/1

18:36-06:50

1 stop30h 14m

$1,224

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 12/1

10:15-22:24

1 stop18h 09m

Houston George Bush Intcntl

Tue 20/1

18:16-12:20

1 stop12h 04m

$1,224

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 14/1

10:05-22:46

1 stop18h 41m

Houston Hobby

Sun 1/2

18:36-10:00

1 stop33h 24m

$1,227

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 27/1

15:00-22:49

1 stop13h 49m

Houston George Bush Intcntl

Wed 4/2

16:50-10:00

1 stop11h 10m

$1,227

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 13/1

14:50-17:29

1 stop32h 39m

Houston George Bush Intcntl

Tue 20/1

18:20-12:50

1 stop36h 30m

$1,232

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 11/2

11:45-23:56

2 stops18h 11m

Houston George Bush Intcntl

Wed 18/2

16:25-11:40

1 stop13h 15m

$1,233

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 28/1

09:35-14:05

Nonstop10h 30m

Houston George Bush Intcntl

Mon 2/2

18:10-11:40

1 stop11h 30m

$1,235

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 29/1

15:25-20:00

Nonstop10h 35m

Houston George Bush Intcntl

Wed 4/2

15:50-06:50

Nonstop9h 00m

$1,238

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 19/1

08:20-16:12

1 stop13h 52m

Houston Hobby

Mon 2/2

18:36-12:15

1 stop11h 39m

$1,260

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 13/4

13:05-21:38

1 stop14h 33m

Houston Hobby

Thu 7/5

10:05-08:00

2 stops15h 55m

$1,283

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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 November is also cheap. Prices for this month can be found on momondo for an average of $1,260.

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 $1,473 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 $1,223 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 30m
Direct flights	Every day
Airports in Houston	2 airports

The fastest flight from London Heathrow Airport to Houston takes 10h 30m

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

There are 2 airports in Houston. From London Heathrow Airport there are direct flights to 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 30m, 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 $1,069

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Houston departing on 9/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Big names, great deals

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Find the cheapest flights from London Heathrow Airport to Houston

Cheap return flights

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British Airways flights from London Heathrow Airport to Houston

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

KLM flights from London Heathrow Airport to Houston

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

momondo Fare Finder

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

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 November is also cheap. Prices for this month can be found on momondo for an average of $1,260.

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?

British Airways, TAP AIR PORTUGAL, 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 14% 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?

17 flights are operational daily from London Heathrow Airport to Houston as of December 2025. The most popular departure time for this route is 10:00, with 50% of flights per day taking off in the afternoon.

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

123 flights are operational weekly from London Heathrow Airport to Houston as of December 2025. The most popular departure day for this route is Mon, with 18% 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