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

TAP AIR PORTUGAL, British Airways, and Delta are the most popular carriers operating from London Heathrow to Houston

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

18 flights are operational daily from London Heathrow Airport to Houston as of January 2026. The most popular departure time for this route is 10:00, with 58% 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 13% of their flights experiencing any sort of delay.

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

127 flights are operational weekly from London Heathrow Airport to Houston as of January 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.

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 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 160 minutes.

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.

$1,037 Cheap Flights from London Heathrow Airport to Houston in 2026

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Find the cheapest flights from London Heathrow Airport to Houston

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One-way

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Cheap return flights

Enter your travel dates to find the best prices.

09:30 - 18:15

LHR

IAH

14h 45m

1 stop

11:55 - 05:55

IAH

LHR

12h 00m

1 stop

$1,151Lufthansa

Tue, 10 Feb - Sun, 1 Mar

06:35 - 16:30

LHR

IAH

15h 55m

1 stop

17:20 - 07:30

IAH

LHR

9h 10mdirect

$1,152United Airlines

Sat, 21 Feb - Mon, 23 Mar

09:30 - 18:15

LHR

IAH

14h 45m

1 stop

13:25 - 08:25

IAH

LHR

13h 00m

1 stop

$1,154United Airlines

Wed, 25 Feb - Wed, 4 Mar

15:25 - 20:00

LHR

IAH

10h 35mdirect

08:53 - 06:50

IAH

LHR

15h 57m

1 stop

$1,157British Airways

Sat, 14 Feb - Wed, 4 Mar

06:35 - 16:30

LHR

IAH

15h 55m

1 stop

19:50 - 06:40

IAH

LHR

28h 50m

1 stop

$1,158United Airlines

Fri, 20 Feb - Fri, 6 Mar

06:30 - 19:03

LHR

IAH

18h 33m

2 stops

19:50 - 06:40

IAH

LHR

28h 50m

1 stop

$1,159United Airlines

Fri, 20 Feb - Fri, 6 Mar

07:40 - 16:30

LHR

IAH

14h 50m

1 stop

17:30 - 10:45

IAH

LHR

12h 15m

1 stop

$1,161Lufthansa

Sat, 21 Feb - Sun, 22 Mar

08:20 - 15:51

LHR

HOU

13h 31m

1 stop

16:20 - 10:00

HOU

LHR

12h 40m

1 stop

$1,164British Airways

Wed, 25 Feb - Sun, 22 Mar

08:40 - 22:33

LHR

HOU

19h 53m

2 stops

05:25 - 06:25

HOU

LHR

19h 00m

1 stop

$1,213Delta

Mon, 2 Feb - Sat, 21 Feb

06:30 - 22:33

LHR

HOU

22h 03m

2 stops

11:09 - 06:25

HOU

LHR

13h 16m

1 stop

$1,214Delta

Thu, 5 Feb - Sun, 8 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

14 Feb

LHR15:25London Heathrow

10h 35m

IAH20:00Houston George Bush Intcntl

4 Mar

IAH08:53Houston George Bush Intcntl

15h 57m

1 stop

LHR06:50London Heathrow

$1,157

British Airways

29 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

$1,158

British Airways

25 Feb

LHR08:20London Heathrow

13h 31m

1 stop

HOU15:51Houston Hobby

22 Mar

HOU16:20Houston Hobby

12h 40m

1 stop

LHR10:00London Heathrow

$1,164

Delta flights from London Heathrow Airport to Houston

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

Delta

30 Jan

LHR06:30London Heathrow

13h 00m

1 stop

IAH13:30Houston George Bush Intcntl

26 Feb

IAH12:42Houston George Bush Intcntl

16h 08m

2 stops

LHR10:50London Heathrow

$1,205

Delta

23 Feb

LHR06:30London Heathrow

13h 00m

1 stop

IAH13:30Houston George Bush Intcntl

11 Mar

IAH12:40Houston George Bush Intcntl

13h 15m

1 stop

LHR06:55London Heathrow

$1,207

Delta

23 Feb

LHR06:30London Heathrow

13h 00m

1 stop

IAH13:30Houston George Bush Intcntl

22 Mar

IAH12:40Houston George Bush Intcntl

14h 25m

1 stop

LHR08:05London Heathrow

$1,208

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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Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 10/2

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

Sun 1/3

11:55-05:55

1 stop12h 00m

$1,151

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 21/2

06:35-16:30

1 stop15h 55m

Houston George Bush Intcntl

Mon 23/3

17:20-07:30

Nonstop9h 10m

$1,152

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 25/2

09:30-18:15

1 stop14h 45m

Houston George Bush Intcntl

Wed 4/3

13:25-08:25

1 stop13h 00m

$1,154

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 14/2

15:25-20:00

Nonstop10h 35m

Houston George Bush Intcntl

Wed 4/3

08:53-06:50

1 stop15h 57m

$1,157

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 20/2

06:35-16:30

1 stop15h 55m

Houston George Bush Intcntl

Fri 6/3

19:50-06:40

1 stop28h 50m

$1,158

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 20/2

06:30-19:03

2 stops18h 33m

Houston George Bush Intcntl

Fri 6/3

19:50-06:40

1 stop28h 50m

$1,159

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Sat 21/2

07:40-16:30

1 stop14h 50m

Houston George Bush Intcntl

Sun 22/3

17:30-10:45

1 stop12h 15m

$1,161

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 25/2

08:20-15:51

1 stop13h 31m

Houston Hobby

Sun 22/3

16:20-10:00

1 stop12h 40m

$1,164

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 2/2

08:40-22:33

2 stops19h 53m

Houston Hobby

Sat 21/2

05:25-06:25

1 stop19h 00m

$1,213

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Thu 5/2

06:30-22:33

2 stops22h 03m

Houston Hobby

Sun 8/2

11:09-06:25

1 stop13h 16m

$1,214

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 November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,290.

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 $1,446 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 $1,198 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).

Search flight deals

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 $1,066

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Find the cheapest flights from London Heathrow Airport to Houston

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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

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Our best Delta 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 November, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,290.

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?

TAP AIR PORTUGAL, British Airways, and Delta 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 160 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 13% of their flights experiencing any sort of delay.

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

18 flights are operational daily from London Heathrow Airport to Houston as of January 2026. The most popular departure time for this route is 10:00, with 58% of flights per day taking off at midday.

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

127 flights are operational weekly from London Heathrow Airport to Houston as of January 2026. The most popular departure day for this route is Mon, with 17% 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