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

As of December 2025, there are 15 flights per day flying from Houston to London. The most common time of day flights depart is 16:00, with 51% of flights taking off in the afternoon.

Which airlines fly to London?

British Airways, United Airlines and Lufthansa are the top three most popular airlines that fly to London from Houston according to our data. British Airways is the first choice among our users, with 49% of people opting to fly with this airline when travelling to London. Keep in mind that there are 5 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

How often are flights from Houston to London delayed?

Historically, on average around 27% of flights between Houston and London have experienced a delay on any given week. The average delay length over the past 12 months has been 144 minutes.

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

Tuesday 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 Houston to London on average per week?

106 flights are operational weekly from Houston to London as of December 2025. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

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

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

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

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

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

British Airways, Lufthansa, and JetBlue are the most popular carriers operating from Houston to London

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

Prices for flights from Houston to London refresh daily.

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

The number of operators available for flights from Houston to London is 5 as of December 2025.

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

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 Houston to London.

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

The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£278 Cheap Flights from Houston to London in 2025/26

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11:09 - 10:00

IAH

LGW

16h 51m2 stops

14:00 - 22:41

LGW

IAH

14h 41m1 stop

£453Multiple Airlines

Fri, 13 Feb - Fri, 27 Feb

11:38 - 16:25

IAH

LHR

22h 47m3 stops

10:20 - 08:40

LHR

IAH

28h 20m3 stops

£454Multiple Airlines

Fri, 23 Jan - Sun, 25 Jan

20:16 - 10:00

IAH

LGW

31h 44m1 stop

09:50 - 23:59

LGW

IAH

20h 09m2 stops

£454Multiple Airlines

Wed, 14 Jan - Wed, 4 Mar

17:00 - 11:15

IAH

LHR

12h 15m1 stop

19:30 - 14:10

LHR

IAH

24h 40m1 stop

£455Lufthansa

Wed, 11 Feb - Mon, 23 Feb

16:30 - 19:40

IAH

LHR

21h 10m1 stop

06:55 - 16:35

LHR

IAH

15h 40m1 stop

£458Lufthansa

Mon, 6 Apr - Tue, 5 May

16:20 - 07:30

IAH

LHR

9h 10mdirect

06:35 - 16:30

LHR

IAH

15h 55m1 stop

£464United Airlines

Mon, 16 Feb - Thu, 26 Feb

12:17 - 08:35

HOU

LHR

14h 18m1 stop

06:00 - 19:50

LHR

HOU

18h 50m2 stops

£473British Airways

Wed, 4 Mar - Tue, 10 Mar

12:47 - 11:40

HOU

LHR

16h 53m1 stop

06:15 - 22:46

LHR

HOU

22h 31m2 stops

£475British Airways

Wed, 14 Jan - Thu, 29 Jan

10:15 - 10:50

HOU

LGW

18h 35m2 stops

19:40 - 09:43

LGW

HOU

19h 03m2 stops

£637Iberia

Tue, 24 Feb - Mon, 9 Mar

10:35 - 19:00

HOU

LGW

26h 25m2 stops

19:40 - 22:46

LGW

HOU

33h 06m2 stops

£741Iberia

Thu, 22 Jan - Thu, 29 Jan

Lufthansa flights from Houston to London

Our best Lufthansa deals on Houston to London flight tickets

Lufthansa

11 Feb

IAH17:00Houston George Bush Intcntl

12h 15m

1 stop

LHR11:15London Heathrow

23 Feb

LHR19:30London Heathrow

24h 40m

1 stop

IAH14:10Houston George Bush Intcntl

£455

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Lufthansa

6 Apr

IAH16:30Houston George Bush Intcntl

21h 10m

1 stop

LHR19:40London Heathrow

5 May

LHR06:55London Heathrow

15h 40m

1 stop

IAH16:35Houston George Bush Intcntl

£458

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Lufthansa

4 Mar

IAH11:55Houston George Bush Intcntl

12h 00m

1 stop

LHR05:55London Heathrow

10 Mar

LHR06:30London Heathrow

17h 08m

2 stops

IAH18:38Houston George Bush Intcntl

£459

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United Airlines flights from Houston to London

Our best United Airlines deals on Houston to London flight tickets

United Airlines

16 Feb

IAH16:20Houston George Bush Intcntl

9h 10m

LHR07:30London Heathrow

27 Feb

LHR06:35London Heathrow

15h 55m

1 stop

IAH16:30Houston George Bush Intcntl

£464

Find similar

United Airlines

3 Mar

IAH12:10Houston George Bush Intcntl

13h 00m

1 stop

LHR07:10London Heathrow

19 Mar

LHR06:35London Heathrow

15h 55m

1 stop

IAH17:30Houston George Bush Intcntl

£467

Find similar

United Airlines

2 Mar

IAH08:30Houston George Bush Intcntl

15h 25m

1 stop

LHR05:55London Heathrow

19 Mar

LHR06:35London Heathrow

15h 55m

1 stop

IAH17:30Houston George Bush Intcntl

£467

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Price

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Fri 13/2

11:09-10:00

2 stops16h 51m

London Gatwick

Fri 27/2

14:00-22:41

1 stop14h 41m

£453

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 23/1

11:38-16:25

3 stops22h 47m

London Heathrow

Sun 25/1

10:20-08:40

3 stops28h 20m

£454

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 14/1

20:16-10:00

1 stop31h 44m

London Gatwick

Wed 4/3

09:50-23:59

2 stops20h 09m

£454

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 11/2

17:00-11:15

1 stop12h 15m

London Heathrow

Mon 23/2

19:30-14:10

1 stop24h 40m

£455

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 6/4

16:30-19:40

1 stop21h 10m

London Heathrow

Tue 5/5

06:55-16:35

1 stop15h 40m

£458

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 16/2

16:20-07:30

Nonstop9h 10m

London Heathrow

Thu 26/2

06:35-16:30

1 stop15h 55m

£464

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 4/3

12:17-08:35

1 stop14h 18m

London Heathrow

Tue 10/3

06:00-19:50

2 stops18h 50m

£473

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 14/1

12:47-11:40

1 stop16h 53m

London Heathrow

Thu 29/1

06:15-22:46

2 stops22h 31m

£475

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Tue 24/2

10:15-10:50

2 stops18h 35m

London Gatwick

Mon 9/3

19:40-09:43

2 stops19h 03m

£637

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Thu 22/1

10:35-19:00

2 stops26h 25m

London Gatwick

Thu 29/1

19:40-22:46

2 stops33h 06m

£741

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How to get the cheapest flight ticket from Houston to London

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 London?

The cheapest month to fly to London from Houston is in September. Flight prices, which tend to average around £480, are often lower during this time because this is during the off-season. The month of October is another great option to travel to London, with average flight prices from Houston averaging around £481.

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

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £536. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Houston to London for around £793.

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

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £574. Flights at midday are often more expensive, with an average ticket price of £711.

What is the cheapest Houston to London flight route?

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

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

You are more likely to see cheaper flights to London from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £627 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Houston for as low as £576 on momondo.

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

There are 4 cabin classes available to choose from on Houston to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to London flight deals and tips

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

Fastest flight time	9h 00m
Direct flights	Every day
Airports in London	6 airports

The fastest flight from Houston to London takes 9h 00m

Direct flights go from Houston to London every day.

There are 6 airports in London. From Houston there are direct flights to London Heathrow (LHR).

Search flight deals

How far is Houston to London by plane?
The straight-line distance from Houston to London is 4845.7 mi. 9h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Houston to London?
Prices for flights from Houston to London refresh daily.
How many operators does momondo search for flights from Houston to London?
The number of operators available for flights from Houston to London is 5 as of December 2025.
How old do you have to be to fly from Houston to London?
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 Houston to London.
What documentation or ID do you need to fly to London?
The travel and health documents you'll need for your trip to London may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at London. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to London

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

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom £303	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom £350	Free Cancellation	Rating 6.8 7,635 reviews	Search Lufthansa flights
British Airways	PriceFrom £418	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights
Iberia	PriceFrom £429	Free Cancellation	Rating 7.0 3,053 reviews	Search Iberia flights
United Airlines	PriceFrom £430	Free Cancellation	Rating 7.4 9,093 reviews	Search United Airlines flights

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Why use momondo?

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

Finding the right flight to London from Houston 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 London quick and easy, saving you time and money.

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

Flights from Houston to London with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Houston.

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

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

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Cheap flights from Houston to London from £278

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to London departing on 12/5. 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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How to get the cheapest flight ticket from Houston to London

What is the cheapest month to fly to London?

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

Our data shows that Tuesday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £536. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Houston to London for around £793.

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

The cheapest time of day to fly to London is in the afternoon when flights can be purchased for as low as £574. Flights at midday are often more expensive, with an average ticket price of £711.

What is the cheapest Houston to London flight route?

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

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

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

There are 4 cabin classes available to choose from on Houston to London 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 Houston to London?

British Airways, Lufthansa, and JetBlue are the most popular carriers operating from Houston to London

Which airlines fly to London?

How often are flights from Houston to London delayed?

Historically, on average around 27% of flights between Houston and London have experienced a delay on any given week. The average delay length over the past 12 months has been 144 minutes.

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

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

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

Tuesday 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 Houston to London flights?

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

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

As of December 2025, there are 15 flights per day flying from Houston to London. The most common time of day flights depart is 16:00, with 51% of flights taking off in the afternoon.

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

106 flights are operational weekly from Houston to London as of December 2025. The most popular departure day for this route is Mon, with 19% of flights per week taking off on this day.

Cheap Houston to London flight deals and tips

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

Fastest flight time

Direct flights

Airports in London

How far is Houston to London by plane?

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

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

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

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

Best airlines flying from Houston to London

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

Travelling to a place near London?

Why use momondo?

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

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

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

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

An easier way to manage your London 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 Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London