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

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

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 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

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

As of November 2025, there are 19 flights per day flying from Houston to London. The most common time of day flights depart is 16:00, with 57% of flights taking off in the afternoon.

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

139 flights are operational weekly from Houston to London as of November 2025. The most popular departure day for this route is Mon, with 16% 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 4 as of November 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.

£230 Cheap Flights from Houston to London in 2025/26

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14:24 - 08:35IAH-LHR

12h 11m1 stop

09:35 - 14:05LHR-IAH

10h 30mdirect

£426Finnair

Find Deal

Sun, 23 Nov - Tue, 9 Dec

14:24 - 10:00IAH-LHR

13h 36m1 stop

09:35 - 14:05LHR-IAH

10h 30mdirect

£428Finnair

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Mon, 24 Nov - Tue, 9 Dec

16:30 - 23:05IAH-LTN

24h 35m2 stops

05:50 - 21:44LTN-IAH

21h 54m2 stops

£429Multiple Airlines

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Wed, 3 Dec - Fri, 12 Dec

15:50 - 06:50IAH-LHR

9h 00mdirect

09:35 - 14:05LHR-IAH

10h 30mdirect

£439British Airways

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Mon, 24 Nov - Tue, 9 Dec

15:50 - 06:50IAH-LHR

9h 00mdirect

09:35 - 14:05LHR-IAH

10h 30mdirect

£443British Airways

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Wed, 10 Dec - Thu, 25 Dec

15:50 - 06:50IAH-LHR

9h 00mdirect

09:35 - 14:05LHR-IAH

10h 30mdirect

£445Iberia

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Mon, 12 Jan - Fri, 20 Feb

12:22 - 08:15IAH-LHR

13h 53m1 stop

09:35 - 15:05LHR-IAH

10h 30mdirect

£448Iberia

Find Deal

Wed, 4 Mar - Tue, 10 Mar

16:20 - 07:30IAH-LHR

9h 10mdirect

06:35 - 16:10LHR-IAH

15h 35m1 stop

£464United Airlines

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Wed, 14 Jan - Fri, 27 Feb

16:20 - 07:30IAH-LHR

9h 10mdirect

06:30 - 18:15LHR-IAH

17h 45m1 stop

£467United Airlines

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Wed, 10 Dec - Thu, 25 Dec

15:35 - 18:35IAH-LCY

21h 00m1 stop

19:10 - 17:15LCY-IAH

28h 05m2 stops

£534Lufthansa

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Wed, 8 Apr - Mon, 13 Apr

Virgin Atlantic flights from Houston to London

Our best Virgin Atlantic deals on Houston to London flight tickets

Virgin Atlantic

24 Nov

HOU14:32Houston Hobby

12h 28m

1 stop

LHR09:00London Heathrow

9 Dec

LHR10:45London Heathrow

13h 07m

1 stop

HOU17:52Houston Hobby

£430

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Virgin Atlantic

24 Nov

IAH12:35Houston George Bush Intcntl

14h 25m

1 stop

LHR09:00London Heathrow

9 Dec

LHR06:30London Heathrow

13h 00m

1 stop

IAH13:30Houston George Bush Intcntl

£432

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Virgin Atlantic

23 Nov

IAH16:05Houston George Bush Intcntl

15h 40m

1 stop

LHR13:45London Heathrow

9 Dec

LHR15:45London Heathrow

27h 45m

1 stop

IAH13:30Houston George Bush Intcntl

£433

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British Airways flights from Houston to London

Our best British Airways deals on Houston to London flight tickets

British Airways

24 Nov

IAH15:50Houston George Bush Intcntl

9h 00m

LHR06:50London Heathrow

9 Dec

LHR09:35London Heathrow

10h 30m

IAH14:05Houston George Bush Intcntl

£439

Find similar

British Airways

12 Nov

IAH16:45Houston George Bush Intcntl

13h 20m

1 stop

LHR12:05London Heathrow

19 Nov

LHR09:35London Heathrow

10h 30m

IAH14:05Houston George Bush Intcntl

£442

Find similar

British Airways

10 Dec

IAH15:50Houston George Bush Intcntl

9h 00m

LHR06:50London Heathrow

25 Dec

LHR09:35London Heathrow

10h 30m

IAH14:05Houston George Bush Intcntl

£443

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Depart

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Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 23/11

14:24-08:35

1 stop12h 11m

London Heathrow

Tue 9/12

09:35-14:05

Nonstop10h 30m

£426

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 24/11

14:24-10:00

1 stop13h 36m

London Heathrow

Tue 9/12

09:35-14:05

Nonstop10h 30m

£428

HoustonLondon

IAH - LTN

IAHLTN

Houston George Bush Intcntl

Wed 3/12

16:30-23:05

2 stops24h 35m

London Luton

Fri 12/12

05:50-21:44

2 stops21h 54m

£429

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 24/11

15:50-06:50

Nonstop9h 00m

London Heathrow

Tue 9/12

09:35-14:05

Nonstop10h 30m

£439

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 10/12

15:50-06:50

Nonstop9h 00m

London Heathrow

Thu 25/12

09:35-14:05

Nonstop10h 30m

£443

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Mon 12/1

15:50-06:50

Nonstop9h 00m

London Heathrow

Fri 20/2

09:35-14:05

Nonstop10h 30m

£445

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 4/3

12:22-08:15

1 stop13h 53m

London Heathrow

Tue 10/3

09:35-15:05

Nonstop10h 30m

£448

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 14/1

16:20-07:30

Nonstop9h 10m

London Heathrow

Fri 27/2

06:35-16:10

1 stop15h 35m

£464

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 10/12

16:20-07:30

Nonstop9h 10m

London Heathrow

Thu 25/12

06:30-18:15

1 stop17h 45m

£467

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Wed 8/4

15:35-18:35

1 stop21h 00m

London City

Mon 13/4

19:10-17:15

2 stops28h 05m

£534

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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

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 £489, 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 £496.

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 £546. 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 £807.

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 £588. Flights at midday are often more expensive, with an average ticket price of £724.

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 £628 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	1 airport

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

Direct flights go from Houston to London every day.

There is 1 airport near London: 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 4 as of November 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
Lufthansa	PriceFrom £356	Free Cancellation	Rating 6.8 7,544 reviews	Search Lufthansa flights
United Airlines	PriceFrom £397	Free Cancellation	Rating 7.4 8,996 reviews	Search United Airlines flights
British Airways	PriceFrom £425	Free Cancellation	Rating 6.7 7,494 reviews	Search British Airways flights
Iberia	PriceFrom £436	Free Cancellation	Rating 7.0 3,006 reviews	Search Iberia 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 £230

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 10/1. 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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Our best British Airways deals on Houston to London flight tickets

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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

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 £546. 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 £807.

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 £588. Flights at midday are often more expensive, with an average ticket price of £724.

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?

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

Which airlines fly to London?

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

As of November 2025, there are 19 flights per day flying from Houston to London. The most common time of day flights depart is 16:00, with 57% of flights taking off in the afternoon.

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

139 flights are operational weekly from Houston to London as of November 2025. The most popular departure day for this route is Mon, with 16% 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