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

As of January 2026, there are 17 flights per day flying from Houston to London. The most common time of day flights depart is 4:00PM, with 58% of flights taking off in the afternoon.

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 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 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.

What airlines fly to London?

United Airlines, British Airways and Iberia are the top three most popular airlines that fly to London from Houston according to our data. United Airlines is the first choice among our users, with 39% of people opting to fly with this airline when traveling to London. Keep in mind that there are 11 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 week?

As of January 2026, 124 flights take off from Houston and land in London each week. The most common flight departure day for this route is Mon, with 18% of weekly flights taking off on this day.

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

British Airways, Delta, and Virgin Atlantic are the most popular carriers operating from Houston 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.

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

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

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

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

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

As of January 2026, there are 11 operators available to choose from for flights from Houston to London.

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 required for your trip to London 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 license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$374 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 $592 to $743. The lowest price recently found on this route was $630.

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Find the cheapest flights from Houston to London

Round-trip

One-way

Last minute

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Cheap round-trip flights

Enter your travel dates to find the best prices.

3:50 pm - 6:50 am

IAH

LHR

9h 00mnonstop

9:35 am - 2:05 pm

LHR

IAH

10h 30mnonstop

$630British Airways

Fri, Feb 13 - Wed, Feb 18

11:44 am - 6:45 am

HOU

LHR

13h 01m1 stop

11:45 am - 10:44 pm

LHR

HOU

16h 59m2 stops

$630Delta

Mon, Apr 6 - Wed, Apr 15

8:44 am - 10:00 am

IAH

LGW

19h 16m1 stop

9:45 pm - 11:51 pm

LGW

IAH

32h 06m2 stops

$630Multiple Airlines

Thu, Apr 2 - Thu, Apr 16

5:25 pm - 11:50 am

IAH

LHR

36h 25m1 stop

9:00 am - 9:39 pm

LHR

IAH

18h 39m2 stops

$631Air Canada

Thu, Jan 29 - Tue, Feb 3

11:15 am - 10:00 am

IAH

LGW

17h 45m1 stop

2:00 pm - 10:18 am

LGW

IAH

26h 18m1 stop

$631Multiple Airlines

Fri, Mar 27 - Fri, Apr 10

12:10 pm - 8:35 pm

IAH

LHR

26h 25m2 stops

9:00 am - 9:39 pm

LHR

IAH

18h 39m2 stops

$634Air Canada

Thu, Feb 5 - Thu, Feb 12

5:20 pm - 7:30 am

IAH

LHR

9h 10mnonstop

6:35 am - 5:30 pm

LHR

IAH

15h 55m1 stop

$636United Airlines

Tue, Mar 17 - Thu, Mar 19

3:30 pm - 4:35 pm

IAH

LCY

19h 05m1 stop

5:50 pm - 1:30 pm

LCY

IAH

25h 40m1 stop

$646Virgin Atlantic

Sun, Feb 1 - Mon, Feb 16

10:35 am - 6:25 am

HOU

LHR

13h 50m1 stop

1:25 pm - 10:44 pm

LHR

HOU

15h 19m1 stop

$649Virgin Atlantic

Mon, Apr 20 - Sun, Apr 26

12:18 pm - 2:05 pm

HOU

LCY

19h 47m2 stops

7:15 pm - 9:43 am

LCY

HOU

20h 28m2 stops

$819Iberia

Wed, Feb 18 - Mon, Feb 23

British Airways flights from Houston to London

Our best British Airways deals on Houston to London flight tickets

British Airways

Feb 13

IAH3:50 pmHouston George Bush Intcntl

9h 00m

LHR6:50 amLondon Heathrow

Feb 18

LHR9:35 amLondon Heathrow

10h 30m

IAH2:05 pmHouston George Bush Intcntl

$630

British Airways

Jan 19

IAH9:45 pmHouston George Bush Intcntl

9h 00m

LHR12:45 pmLondon Heathrow

Jan 26

LHR3:25 pmLondon Heathrow

10h 35m

IAH8:00 pmHouston George Bush Intcntl

$631

British Airways

Feb 5

HOU6:36 pmHouston Hobby

11h 39m

1 stop

LHR12:15 pmLondon Heathrow

Feb 9

LHR7:05 pmLondon Heathrow

27h 07m

2 stops

HOU4:12 pmHouston Hobby

$634

United Airlines flights from Houston to London

Our best United Airlines deals on Houston to London flight tickets

United Airlines

Jan 21

IAH9:36 amHouston George Bush Intcntl

18h 34m

1 stop

LHR10:10 amLondon Heathrow

Jan 27

LHR6:30 amLondon Heathrow

17h 45m

1 stop

IAH6:15 pmHouston George Bush Intcntl

$634

United Airlines

Mar 17

IAH5:20 pmHouston George Bush Intcntl

9h 10m

LHR7:30 amLondon Heathrow

Mar 19

LHR6:35 amLondon Heathrow

15h 55m

1 stop

IAH5:30 pmHouston George Bush Intcntl

$636

United Airlines

Apr 12

IAH8:05 pmHouston George Bush Intcntl

9h 30m

LHR11:35 amLondon Heathrow

Apr 21

LHR10:00 amLondon Heathrow

10h 25m

IAH2:25 pmHouston George Bush Intcntl

$640

Fly from

Fly to

Route

Depart

Return

Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 2/13

3:50 pm-6:50 am

Nonstop9h 00m

London Heathrow

Wed 2/18

9:35 am-2:05 pm

Nonstop10h 30m

$630

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Mon 4/6

11:44 am-6:45 am

1 stop13h 01m

London Heathrow

Wed 4/15

11:45 am-10:44 pm

2 stops16h 59m

$630

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Thu 4/2

8:44 am-10:00 am

1 stop19h 16m

London Gatwick

Thu 4/16

9:45 pm-11:51 pm

2 stops32h 06m

$630

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Thu 1/29

5:25 pm-11:50 am

1 stop36h 25m

London Heathrow

Tue 2/3

9:00 am-9:39 pm

2 stops18h 39m

$631

HoustonLondon

IAH - LGW

IAHLGW

Houston George Bush Intcntl

Fri 3/27

11:15 am-10:00 am

1 stop17h 45m

London Gatwick

Fri 4/10

2:00 pm-10:18 am

1 stop26h 18m

$631

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Thu 2/5

12:10 pm-8:35 pm

2 stops26h 25m

London Heathrow

Thu 2/12

9:00 am-9:39 pm

2 stops18h 39m

$634

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Tue 3/17

5:20 pm-7:30 am

Nonstop9h 10m

London Heathrow

Thu 3/19

6:35 am-5:30 pm

1 stop15h 55m

$636

HoustonLondon

IAH - LCY

IAHLCY

Houston George Bush Intcntl

Sun 2/1

3:30 pm-4:35 pm

1 stop19h 05m

London City

Mon 2/16

5:50 pm-1:30 pm

1 stop25h 40m

$646

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Mon 4/20

10:35 am-6:25 am

1 stop13h 50m

London Heathrow

Sun 4/26

1:25 pm-10:44 pm

1 stop15h 19m

$649

HoustonLondon

HOU - LCY

HOULCY

Houston Hobby

Wed 2/18

12:18 pm-2:05 pm

2 stops19h 47m

London City

Mon 2/23

7:15 pm-9:43 am

2 stops20h 28m

$819

Flights are sorted by cheapest round-trip 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 $632, 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 $643.

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

Flying to London from Houston in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $926 when looking at flights departing in the afternoon. Flights to London are more costly in the evening, with an average ticket price of $972. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $798 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Houston for as low as $770 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?
A flight from Houston to London will travel around 4845.7 mi. By plane, this route typically takes 9h 00m.
When did momondo last update prices for flights from Houston to London?
Prices for flights from Houston to London are refreshed on a daily basis.
How many operators does momondo search for flights from Houston to London?
As of January 2026, there are 11 operators available to choose from for flights from Houston to London.
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 required for your trip to London 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 license, and a passport valid for six-months after you plan to arrive at London. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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
JetBlue	PriceFrom $101	Free Cancellation	Rating 7.2 2,896 reviews	Search JetBlue flights
Virgin Atlantic	PriceFrom $497	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom $521	Free Cancellation	Rating 7.1 10,603 reviews	Search Air Canada flights
American Airlines	PriceFrom $522	Free Cancellation	Rating 7.2 11,095 reviews	Search American Airlines flights
Finnair	PriceFrom $540	Free Cancellation	Rating 7.6 1,346 reviews	Search Finnair flights
British Airways	PriceFrom $554	Free Cancellation	Rating 6.7 7,657 reviews	Search British Airways flights
United Airlines	PriceFrom $560	Free Cancellation	Rating 7.4 9,139 reviews	Search United Airlines flights
Iberia	PriceFrom $579	Free Cancellation	Rating 7.0 3,076 reviews	Search Iberia flights
Delta	PriceFrom $607	Free Cancellation	Rating 7.9 8,025 reviews	Search Delta flights
Lufthansa	PriceFrom $697	Free Cancellation	Rating 6.8 7,692 reviews	Search Lufthansa flights

Gatwick

Luton

Hounslow

Milton Keynes

Dover

Slough

Guildford

Hayes

Crawley

Dartford

Brentwood

Watford

Wembley

Cobham

Folkestone

Romford

Richmond

Uxbridge

Chelmsford

Stansted

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to London for you.

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

momondo does allow users to show only those flights to London from Houston which offer a flexible booking policy as well as other useful filters and features.

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

Once you have performed a search for Houston to London 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 Houston to London right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Houston to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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Flights to Leedsfrom $429

Flights to Cardifffrom $525

Cheap flights from Houston to London from $374

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 1/22. 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?

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, Delta, and Virgin Atlantic are the most popular carriers operating from Houston to London

What 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 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 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 Houston to London flights?

According to our data, British Airways have had the least number of 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 January 2026, there are 17 flights per day flying from Houston to London. The most common time of day flights depart is 4:00PM, with 58% of flights taking off in the afternoon.

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

As of January 2026, 124 flights take off from Houston and land in London each week. The most common flight departure day for this route is Mon, with 18% of weekly flights 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

Traveling 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, 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 Kingdom

Fly into one of these airports located in London

Airports listed have a maximum distance of 35.6 mi from London