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 to Houston on average per day?

As of December 2025, there are 17 flights per day flying from London to Houston. The most common time of day flights depart is 10:00AM, with 50% of flights taking off in the afternoon.

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

WestJet, British Airways, and Iberia are the most popular carriers operating from London to Houston

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

123 flights are operational weekly from London 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.

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

Generally, flights departing in the morning tend to experience fewer delays. Flights 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 which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.

What airlines fly to Houston?

British Airways, United Airlines and American Airlines are the top three most popular airlines that fly to Houston from London according to our data. British Airways is the first choice among our users, with 57% of people opting to fly with this airline when traveling to Houston. Keep in mind that there are 5 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from London to Houston are refreshed on a daily basis.

How many operators does momondo search for flights from London to Houston?

As of December 2025, there are 5 operators available to choose from for flights from London to Houston.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Houston.

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

The necessary travel and health documents for your Houston trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$367 Cheap Flights from London to Houston in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $893 to $1,360. The lowest price recently found on this route was $799.

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One-way

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Enter your travel dates to find the best prices.

10:05 am - 9:57 pm

LHR

IAH

16h 52m1 stop

6:36 pm - 12:05 pm

IAH

LHR

12h 29m1 stop

$799British Airways

Wed, Mar 11 - Sat, Mar 21

6:05 am - 10:49 pm

LHR

IAH

22h 44m2 stops

4:36 pm - 12:15 pm

IAH

LHR

13h 39m1 stop

$804British Airways

Tue, Feb 3 - Thu, Feb 12

2:50 pm - 11:09 am

LHR

IAH

26h 19m2 stops

1:35 pm - 12:50 pm

IAH

LHR

17h 15m1 stop

$806Multiple Airlines

Mon, Mar 2 - Thu, Mar 5

8:30 am - 10:56 pm

LGW

IAH

44h 26m3 stops

11:38 am - 3:45 pm

IAH

LGW

22h 07m3 stops

$807Multiple Airlines

Wed, Jan 14 - Sun, Feb 1

2:50 pm - 5:55 am

LHR

IAH

21h 05m2 stops

6:25 am - 6:20 am

IAH

LHR

17h 55m1 stop

$807Multiple Airlines

Tue, Jan 13 - Sun, Feb 1

10:50 am - 9:07 am

LHR

IAH

28h 17m2 stops

5:27 pm - 6:20 pm

IAH

LHR

18h 53m2 stops

$809Multiple Airlines

Fri, Jan 9 - Mon, Jan 12

10:05 am - 6:06 pm

LHR

HOU

14h 01m1 stop

4:55 pm - 10:00 am

HOU

LHR

11h 05m1 stop

$810American Airlines

Mon, Jan 12 - Mon, Feb 2

2:10 pm - 10:42 pm

LHR

IAH

14h 32m1 stop

6:10 pm - 11:40 am

IAH

LHR

11h 30m1 stop

$810American Airlines

Mon, Jan 12 - Thu, Jan 29

6:40 am - 11:56 pm

LHR

IAH

23h 16m2 stops

4:06 pm - 5:40 pm

IAH

LHR

19h 34m2 stops

$814Scandinavian Airlines

Thu, Jan 15 - Thu, Jan 22

2:50 pm - 12:44 pm

LHR

IAH

27h 54m1 stop

6:20 pm - 12:50 pm

IAH

LHR

36h 30m1 stop

$815WestJet

Thu, Jan 15 - Wed, Jan 21

American Airlines flights from London to Houston

Our best American Airlines deals on London to Houston flight tickets

American Airlines

Jan 12

LHR10:05 amLondon Heathrow

14h 01m

1 stop

HOU6:06 pmHouston Hobby

Feb 2

HOU4:55 pmHouston Hobby

11h 05m

1 stop

LHR10:00 amLondon Heathrow

$810

Find similar

American Airlines

Mar 9

LHR3:25 pmLondon Heathrow

10h 35m

IAH9:00 pmHouston George Bush Intcntl

Mar 15

IAH4:50 pmHouston George Bush Intcntl

9h 00m

LHR6:50 amLondon Heathrow

$819

Find similar

American Airlines

Jan 16

LHR2:10 pmLondon Heathrow

14h 32m

1 stop

IAH10:42 pmHouston George Bush Intcntl

Jan 21

IAH12:39 pmHouston George Bush Intcntl

12h 11m

1 stop

LHR6:50 amLondon Heathrow

$834

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Iberia flights from London to Houston

Our best Iberia deals on London to Houston flight tickets

Iberia

Jan 14

LHR9:15 amLondon Heathrow

21h 30m

2 stops

IAH12:45 amHouston George Bush Intcntl

Jan 21

IAH2:41 pmHouston George Bush Intcntl

11h 54m

1 stop

LHR8:35 amLondon Heathrow

$848

Find similar

Iberia

Jan 19

LHR10:05 amLondon Heathrow

17h 05m

1 stop

IAH9:10 pmHouston George Bush Intcntl

Feb 2

IAH11:18 amHouston George Bush Intcntl

17h 17m

2 stops

LHR10:35 amLondon Heathrow

$855

Find similar

Iberia

Jan 18

LHR7:40 pmLondon Heathrow

33h 06m

2 stops

HOU10:46 pmHouston Hobby

Jan 29

HOU12:47 pmHouston Hobby

12h 03m

1 stop

LHR6:50 amLondon Heathrow

$859

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Wed 3/11

10:05 am-9:57 pm

1 stop16h 52m

Houston George Bush Intcntl

Sat 3/21

6:36 pm-12:05 pm

1 stop12h 29m

$799

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 2/3

6:05 am-10:49 pm

2 stops22h 44m

Houston George Bush Intcntl

Thu 2/12

4:36 pm-12:15 pm

1 stop13h 39m

$804

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 3/2

2:50 pm-11:09 am

2 stops26h 19m

Houston George Bush Intcntl

Thu 3/5

1:35 pm-12:50 pm

1 stop17h 15m

$806

LondonHouston

LGW - IAH

LGWIAH

London Gatwick

Wed 1/14

8:30 am-10:56 pm

3 stops44h 26m

Houston George Bush Intcntl

Sun 2/1

11:38 am-3:45 pm

3 stops22h 07m

$807

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Tue 1/13

2:50 pm-5:55 am

2 stops21h 05m

Houston George Bush Intcntl

Sun 2/1

6:25 am-6:20 am

1 stop17h 55m

$807

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Fri 1/9

10:50 am-9:07 am

2 stops28h 17m

Houston George Bush Intcntl

Mon 1/12

5:27 pm-6:20 pm

2 stops18h 53m

$809

LondonHouston

LHR - HOU

LHRHOU

London Heathrow

Mon 1/12

10:05 am-6:06 pm

1 stop14h 01m

Houston Hobby

Mon 2/2

4:55 pm-10:00 am

1 stop11h 05m

$810

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Mon 1/12

2:10 pm-10:42 pm

1 stop14h 32m

Houston George Bush Intcntl

Thu 1/29

6:10 pm-11:40 am

1 stop11h 30m

$810

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 1/15

6:40 am-11:56 pm

2 stops23h 16m

Houston George Bush Intcntl

Thu 1/22

4:06 pm-5:40 pm

2 stops19h 34m

$814

LondonHouston

LHR - IAH

LHRIAH

London Heathrow

Thu 1/15

2:50 pm-12:44 pm

1 stop27h 54m

Houston George Bush Intcntl

Wed 1/21

6:20 pm-12:50 pm

1 stop36h 30m

$815

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How to get the cheapest flight ticket from London 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 and Houston?

What is the cheapest month to fly to Houston?

The month of January is, on average, the cheapest month to fly to Houston from London, with most prices found around $830. The month of March is another great option to travel to Houston, with average flight prices from London averaging around $832.

What is the cheapest day to depart on your flight to Houston?

On average, the least expensive day to fly to Houston from London is on a Saturday. momondo users have found tickets for Saturday departures for as low as $894. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Sunday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Sunday is $1,280.

What is the cheapest time of day to depart on your flight to Houston?

Our data shows that the cheapest London to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $759. Try not to purchase tickets in the morning because they tend to be around $988. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest London to Houston flight route?

Fly from London Heathrow to Houston George Bush Intcntl for the best London - 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $975 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from London for as low as $809 on momondo.

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

There are 3 cabin classes available to choose from on London 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 to Houston flight deals and tips

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

Fastest flight time	10h 15m
Direct flights	Every day
Airports in Houston	2 airports

The fastest flight from London to Houston takes 10h 15m

Direct flights go from London to Houston every day.

There are 2 airports in Houston. From London there are direct flights to Houston George Bush Intcntl (IAH).

Search flight deals

How far is London to Houston by plane?
The distance between London and Houston is about 4845.7 mi. In terms of flight time, this usually takes a little over 10h 15m.
When did momondo last update prices for flights from London to Houston?
Prices for flights from London to Houston are refreshed on a daily basis.
How many operators does momondo search for flights from London to Houston?
As of December 2025, there are 5 operators available to choose from for flights from London to Houston.
How old do you have to be to fly from London to Houston?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Houston.
What documentation or ID do you need to fly to Houston?
The necessary travel and health documents for your Houston trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from London to Houston

Compare and see reviews for airlines that fly from London to Houston with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $496	Free Cancellation	Rating 7.2 11,055 reviews	Search American Airlines flights
Lufthansa	PriceFrom $652	Free Cancellation	Rating 6.8 7,635 reviews	Search Lufthansa flights
British Airways	PriceFrom $730	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights
Austrian Airlines	PriceFrom $803	Free Cancellation	Rating 7.6 879 reviews	Search Austrian Airlines flights
United Airlines	PriceFrom $825	Free Cancellation	Rating 7.4 9,092 reviews	Search United Airlines flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Houston from London.

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?

momondo helps you find the best flight between London and Houston by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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, organize 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 to Houston from $367

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 to Houston departing on 2/7. 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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American Airlines flights from London to Houston

Our best American Airlines deals on London to Houston flight tickets

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See travel insights to Houston from

How to get the cheapest flight ticket from London to Houston

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

What is the cheapest month to fly to Houston?

The month of January is, on average, the cheapest month to fly to Houston from London, with most prices found around $830. The month of March is another great option to travel to Houston, with average flight prices from London averaging around $832.

What is the cheapest day to depart on your flight to Houston?

What is the cheapest time of day to depart on your flight to Houston?

What is the cheapest London to Houston flight route?

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

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

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

There are 3 cabin classes available to choose from on London 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 to Houston?

WestJet, British Airways, and Iberia are the most popular carriers operating from London to Houston

What airlines fly 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 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 which experiences the fewest number of 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 least number of 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 to Houston on average per day?

As of December 2025, there are 17 flights per day flying from London to Houston. The most common time of day flights depart is 10:00AM, with 50% of flights taking off in the afternoon.

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

123 flights are operational weekly from London 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 to Houston flight deals and tips

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

Fastest flight time

Direct flights

Airports in Houston

How far is London to Houston by plane?

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

How many operators does momondo search for flights from London to Houston?

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

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

Best airlines flying from London to Houston

Compare and see reviews for airlines that fly from London to Houston with momondo

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, organize 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