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 50% 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.

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

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

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

KLM, Iberia, and Delta are the most popular carriers operating from Houston to London

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. Friday has historically seen more delays on average compared to the rest of the week.

How often are flights from Houston to London delayed?

Historically, on average around 25% 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 148 minutes.

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

As of February 2026, there are 18 flights per day flying from Houston to London. The most common time of day flights depart is 16:00, with 62% of flights taking off in the afternoon.

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 17% of their flights experiencing any sort of delay.

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

130 flights are operational weekly from Houston to London as of February 2026. The most popular departure day for this route is Thu, with 17% of flights per week taking off on this day.

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 February 2026.

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.

£145 Cheap Flights from Houston to London in 2026

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

Prices are currently typical for flights on this route. Typical prices usually range from £443 to £562. The lowest price recently found on this route was £457.

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Find the cheapest flights from Houston to London

Round-trip

One-way

Last minute

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Cheap return flights

Enter your travel dates to find the best prices.

16:20 - 07:30

IAH

LHR

9h 10mdirect

06:35 - 17:30

LHR

IAH

15h 55m

1 stop

£457United Airlines

Wed, 4 Mar - Thu, 12 Mar

12:47 - 07:05

IAH

LHR

12h 18m

1 stop

06:30 - 14:30

LHR

IAH

13h 00m

1 stop

£457KLM

Sun, 22 Feb - Tue, 10 Mar

07:05 - 10:55

IAH

LGW

21h 50m

2 stops

11:55 - 11:11

LGW

IAH

28h 16m

3 stops

£459Multiple Airlines

Tue, 3 Mar - Tue, 10 Mar

15:08 - 08:45

IAH

LHR

11h 37m

1 stop

06:30 - 14:30

LHR

IAH

13h 00m

1 stop

£459KLM

Tue, 3 Mar - Tue, 10 Mar

16:30 - 18:45

IAH

LHR

20h 15m

1 stop

06:50 - 21:39

LHR

IAH

19h 49m

2 stops

£459Multiple Airlines

Tue, 3 Mar - Tue, 10 Mar

16:30 - 21:50

IAH

LGW

23h 20m

2 stops

19:45 - 15:10

LGW

IAH

24h 25m

2 stops

£459Multiple Airlines

Wed, 4 Mar - Wed, 11 Mar

12:18 - 06:50

HOU

LHR

13h 32m

1 stop

19:15 - 19:50

LHR

HOU

29h 35m

2 stops

£467British Airways

Mon, 9 Mar - Mon, 16 Mar

17:30 - 17:35

IAH

LCY

19h 05m

1 stop

09:50 - 19:15

LCY

IAH

14h 25m

1 stop

£516Lufthansa

Tue, 10 Mar - Tue, 17 Mar

12:18 - 14:05

HOU

LCY

20h 47m

2 stops

17:00 - 19:50

LCY

HOU

31h 50m

2 stops

£644British Airways

Tue, 10 Mar - Tue, 24 Mar

16:18 - 20:00

HOU

LGW

21h 42m

2 stops

20:40 - 19:51

LGW

HOU

53h 11m

2 stops

£966Iberia

Wed, 8 Apr - Sun, 19 Apr

Air Canada flights from Houston to London

Our best Air Canada deals on Houston to London flight tickets

Air Canada

4 Mar

IAH12:10Houston George Bush Intcntl

13h 00m

1 stop

LHR07:10London Heathrow

11 Mar

LHR06:50London Heathrow

19h 49m

2 stops

IAH21:39Houston George Bush Intcntl

£462

Air Canada

4 Mar

IAH12:10Houston George Bush Intcntl

13h 00m

1 stop

LHR07:10London Heathrow

10 Mar

LHR06:50London Heathrow

19h 49m

2 stops

IAH21:39Houston George Bush Intcntl

£463

Air Canada

11 Mar

IAH07:10Houston George Bush Intcntl

21h 10m

2 stops

LHR09:20London Heathrow

17 Mar

LHR06:50London Heathrow

19h 49m

2 stops

IAH21:39Houston George Bush Intcntl

£465

United Airlines flights from Houston to London

Our best United Airlines deals on Houston to London flight tickets

United Airlines

4 Mar

IAH16:20Houston George Bush Intcntl

9h 10m

LHR07:30London Heathrow

12 Mar

LHR06:35London Heathrow

15h 55m

1 stop

IAH17:30Houston George Bush Intcntl

£457

United Airlines

23 Mar

IAH17:20Houston George Bush Intcntl

9h 10m

LHR07:30London Heathrow

30 Mar

LHR16:25London Heathrow

30h 10m

1 stop

IAH16:35Houston George Bush Intcntl

£465

United Airlines

18 Feb

IAH16:20Houston George Bush Intcntl

9h 10m

LHR07:30London Heathrow

24 Feb

LHR09:30London Heathrow

14h 45m

1 stop

IAH18:15Houston George Bush Intcntl

£465

Fly from

Fly to

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 4/3

16:20-07:30

Nonstop9h 10m

London Heathrow

Thu 12/3

06:35-17:30

1 stop15h 55m

£457

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 22/2

12:47-07:05

1 stop12h 18m

London Heathrow

Tue 10/3

06:30-14:30

1 stop13h 00m

£457

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Tue 3/3

07:05-10:55

2 stops21h 50m

London Gatwick

Tue 10/3

11:55-11:11

3 stops28h 16m

£459

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 3/3

15:08-08:45

1 stop11h 37m

London Heathrow

Tue 10/3

06:30-14:30

1 stop13h 00m

£459

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 3/3

16:30-18:45

1 stop20h 15m

London Heathrow

Tue 10/3

06:50-21:39

2 stops19h 49m

£459

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Wed 4/3

16:30-21:50

2 stops23h 20m

London Gatwick

Wed 11/3

19:45-15:10

2 stops24h 25m

£459

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Mon 9/3

12:18-06:50

1 stop13h 32m

London Heathrow

Mon 16/3

19:15-19:50

2 stops29h 35m

£467

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Tue 10/3

17:30-17:35

1 stop19h 05m

London City

Tue 17/3

09:50-19:15

1 stop14h 25m

£516

HoustonLondon

HOU - LCY

HOULCY

Houston Hobby

Tue 10/3

12:18-14:05

2 stops20h 47m

London City

Tue 24/3

17:00-19:50

2 stops31h 50m

£644

HoustonLondon

HOU - LGW

HOULGW

Houston Hobby

Wed 8/4

16:18-20:00

2 stops21h 42m

London Gatwick

Sun 19/4

20:40-19:51

2 stops53h 11m

£966

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

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 £462, 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 £470.

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 £561. Flights in the evening are often more expensive, with an average ticket price of £650.

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 £583 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 £564 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 February 2026.
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 £296	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
Lufthansa	PriceFrom £342	Free Cancellation	Rating 6.8 7,762 reviews	Search Lufthansa flights
British Airways	PriceFrom £408	Free Cancellation	Rating 6.7 7,716 reviews	Search British Airways flights
Iberia	PriceFrom £419	Free Cancellation	Rating 7.0 3,104 reviews	Search Iberia flights
United Airlines	PriceFrom £420	Free Cancellation	Rating 7.4 9,241 reviews	Search United Airlines flights

Eastbourne

Milton Keynes

Luton

Gatwick

Maidstone

Slough

Southend-on-Sea

Canterbury

Ipswich

Ilford

Guildford

Chelmsford

Hayes

Dover

Folkestone

Bedford

Colchester

Wembley

Worthing

Ramsgate

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 £145

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 23/3. 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 typical price of a round-trip flight between Houston and London?

What is the cheapest month to fly to London?

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 £561. Flights in the evening are often more expensive, with an average ticket price of £650.

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?

KLM, Iberia, and Delta 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 25% 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 148 minutes.

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

Generally, flights departing at night 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. Friday 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 17% of their flights experiencing any sort of delay.

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

As of February 2026, there are 18 flights per day flying from Houston to London. The most common time of day flights depart is 16:00, with 62% of flights taking off in the afternoon.

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

130 flights are operational weekly from Houston to London as of February 2026. The most popular departure day for this route is Thu, with 17% 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

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Airports listed have a maximum distance of 35.6 mi from London

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List of cabin classes available on flights landing in London. Availability may vary depending on flight origin and airline.

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