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.

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 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 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 57% of flights per day taking off at midday.

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 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 Sat, with 18% of flights per week taking off on this day.

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

WestJet, British Airways, and Lufthansa 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.

$878 Cheap Flights from London Heathrow Airport to Houston in 2025/26

Q: What is the typical price of a round-trip flight between London Heathrow Airport and Houston?

Prices are currently low for flights on this route. Typical prices usually range from $1,452 to $2,243. The lowest price recently found on this route was $1,238.

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14:50 - 17:29

LHR

IAH

32h 39m1 stop

18:20 - 12:50

IAH

LHR

36h 30m1 stop

$1,238WestJet

Tue, 27 Jan - Wed, 11 Feb

07:05 - 21:13

LHR

IAH

20h 08m3 stops

16:06 - 21:40

IAH

LHR

23h 34m2 stops

$1,258Scandinavian Airlines

Thu, 15 Jan - Thu, 5 Feb

07:05 - 23:37

LHR

IAH

22h 32m3 stops

14:23 - 18:30

IAH

LHR

22h 07m2 stops

$1,261Scandinavian Airlines

Mon, 23 Feb - Sat, 28 Feb

07:05 - 23:56

LHR

IAH

22h 51m3 stops

12:42 - 18:50

IAH

LHR

24h 08m3 stops

$1,262Scandinavian Airlines

Thu, 5 Feb - Mon, 16 Feb

12:15 - 00:05

LHR

HOU

17h 50m2 stops

12:00 - 11:55

HOU

LHR

17h 55m2 stops

$1,435Multiple Airlines

Mon, 2 Mar - Tue, 31 Mar

12:15 - 00:05

LHR

HOU

17h 50m2 stops

10:30 - 10:50

HOU

LHR

18h 20m3 stops

$1,590Multiple Airlines

Mon, 23 Feb - Sat, 28 Feb

10:15 - 19:50

LHR

HOU

14h 35m1 stop

16:20 - 10:00

HOU

LHR

12h 40m1 stop

$1,624British Airways

Mon, 9 Mar - Tue, 24 Mar

08:20 - 18:06

LHR

HOU

15h 46m1 stop

16:55 - 10:00

HOU

LHR

11h 05m1 stop

$1,627British Airways

Mon, 12 Jan - Mon, 26 Jan

11:45 - 10:21

LHR

HOU

28h 36m2 stops

05:45 - 06:20

HOU

LHR

18h 35m2 stops

$1,633Delta

Wed, 14 Jan - Mon, 26 Jan

06:30 - 22:33

LHR

HOU

22h 03m2 stops

05:45 - 07:05

HOU

LHR

19h 20m2 stops

$1,641Delta

Mon, 26 Jan - Mon, 2 Feb

Virgin Atlantic flights from London Heathrow Airport to Houston

Our best Virgin Atlantic deals on London Heathrow Airport to Houston flight tickets

Virgin Atlantic

20 Apr

LHR09:00London Heathrow

18h 38m

2 stops

HOU21:38Houston Hobby

27 Apr

HOU13:00Houston Hobby

15h 50m

2 stops

LHR10:50London Heathrow

$1,674

Find similar

Virgin Atlantic

12 Mar

LHR10:10London Heathrow

17h 18m

2 stops

HOU22:28Houston Hobby

16 Mar

HOU10:35Houston Hobby

15h 15m

2 stops

LHR06:50London Heathrow

$1,726

Find similar

Virgin Atlantic

14 Feb

LHR06:30London Heathrow

21h 58m

2 stops

HOU22:28Houston Hobby

22 Feb

HOU13:06Houston Hobby

15h 44m

2 stops

LHR10:50London Heathrow

$1,782

Find similar

British Airways flights from London Heathrow Airport to Houston

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

British Airways

26 Jan

LHR15:45London Heathrow

25h 02m

2 stops

IAH10:47Houston George Bush Intcntl

11 Feb

IAH16:50Houston George Bush Intcntl

11h 10m

1 stop

LHR10:00London Heathrow

$1,591

Find similar

British Airways

1 Feb

LHR11:25London Heathrow

41h 24m

2 stops

IAH22:49Houston George Bush Intcntl

12 Feb

IAH16:36Houston George Bush Intcntl

11h 24m

1 stop

LHR10:00London Heathrow

$1,606

Find similar

British Airways

9 Mar

LHR10:15London Heathrow

14h 35m

1 stop

HOU19:50Houston Hobby

24 Mar

HOU16:20Houston Hobby

12h 40m

1 stop

LHR10:00London Heathrow

$1,624

Find similar

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 27/1

14:50-17:29

1 stop32h 39m

Houston George Bush Intcntl

Wed 11/2

18:20-12:50

1 stop36h 30m

$1,238

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 15/1

07:05-21:13

3 stops20h 08m

Houston George Bush Intcntl

Thu 5/2

16:06-21:40

2 stops23h 34m

$1,258

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 23/2

07:05-23:37

3 stops22h 32m

Houston George Bush Intcntl

Sat 28/2

14:23-18:30

2 stops22h 07m

$1,261

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 5/2

07:05-23:56

3 stops22h 51m

Houston George Bush Intcntl

Mon 16/2

12:42-18:50

3 stops24h 08m

$1,262

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 2/3

12:15-00:05

2 stops17h 50m

Houston Hobby

Tue 31/3

12:00-11:55

2 stops17h 55m

$1,435

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 23/2

12:15-00:05

2 stops17h 50m

Houston Hobby

Sat 28/2

10:30-10:50

3 stops18h 20m

$1,590

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 9/3

10:15-19:50

1 stop14h 35m

Houston Hobby

Tue 24/3

16:20-10:00

1 stop12h 40m

$1,624

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 12/1

08:20-18:06

1 stop15h 46m

Houston Hobby

Mon 26/1

16:55-10:00

1 stop11h 05m

$1,627

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Wed 14/1

11:45-10:21

2 stops28h 36m

Houston Hobby

Mon 26/1

05:45-06:20

2 stops18h 35m

$1,633

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 26/1

06:30-22:33

2 stops22h 03m

Houston Hobby

Mon 2/2

05:45-07:05

2 stops19h 20m

$1,641

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 typical price of a round-trip flight between London Heathrow Airport and 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 $1,252.

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 $1,462 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 $1,214 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 $878

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Find the cheapest flights from London Heathrow Airport to Houston

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Virgin Atlantic flights from London Heathrow Airport to Houston

Our best Virgin Atlantic deals on London Heathrow Airport to Houston flight tickets

British Airways flights from London Heathrow Airport to Houston

Our best British Airways 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 typical price of a round-trip flight between London Heathrow Airport and 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 $1,252.

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 Lufthansa 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 57% of flights per day taking off at midday.

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 Sat, 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