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

Brussels Airlines, British Airways, and Lufthansa are the most popular carriers operating from Houston to London Heathrow

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 145 minutes.

What airlines fly to London Heathrow Airport?

British Airways, United Airlines and Iberia are the top three most popular airlines that fly to London Heathrow Airport from Houston according to our data. British Airways is the first choice among our users, with 38% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 11 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

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. 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 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 Heathrow Airport on average per day?

As of November 2025, there are 19 flights per day flying from Houston to London Heathrow Airport. The most common time of day flights depart is 4:00PM, with 57% of flights taking off in the afternoon.

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

The number of flights available between Houston and London Heathrow Airport is 137 per week as of November 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

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

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

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

As of November 2025, there are 11 operators available to choose from for flights from Houston to London Heathrow Airport.

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

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 Heathrow Airport.

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

The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$377 Cheap Flights from Houston to London Heathrow Airport in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $711 to $1,104. The lowest price recently found on this route was $622.

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4:05 pm - 10:30 amIAH-LHR

12h 25m1 stop

11:45 am - 2:30 pmLHR-IAH

31h 45m1 stop

$622Delta

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mié., feb. 25 - lun., mar. 9

11:55 am - 6:30 amIAH-LHR

12h 35m1 stop

6:50 am - 9:39 pmLHR-IAH

19h 49m2 stops

$623Air Canada

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mié., mar. 4 - mar., mar. 10

9:45 pm - 12:45 pmIAH-LHR

9h 00mnonstop

9:35 am - 2:05 pmLHR-IAH

10h 30mnonstop

$624British Airways

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lun., dic. 8 - mié., dic. 24

12:40 pm - 4:00 pmIAH-LHR

21h 20m2 stops

6:40 am - 9:13 pmLHR-IAH

20h 33m2 stops

$625Scandinavian Airlines

Find Deal

lun., ene. 19 - lun., ene. 26

7:05 pm - 10:15 amIAH-LHR

9h 10mnonstop

9:30 am - 6:15 pmLHR-IAH

14h 45m1 stop

$626United Airlines

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lun., ene. 26 - mar., feb. 3

10:25 am - 6:50 amIAH-LHR

14h 25m2 stops

8:40 am - 1:30 pmLHR-IAH

34h 50m1 stop

$627Delta

Find Deal

mié., ene. 28 - lun., feb. 2

8:05 pm - 11:35 amIAH-LHR

9h 30mnonstop

8:25 pm - 4:35 pmLHR-IAH

26h 10m1 stop

$628Lufthansa

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mar., abr. 28 - lun., may. 11

12:39 pm - 6:50 amIAH-LHR

12h 11m1 stop

7:40 pm - 8:36 amLHR-IAH

18h 56m2 stops

$632Iberia

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mar., ene. 20 - mié., ene. 28

4:55 pm - 11:40 amHOU-LHR

12h 45m1 stop

7:30 am - 10:46 pmLHR-HOU

21h 16m2 stops

$638British Airways

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lun., ene. 26 - mar., feb. 3

12:16 pm - 6:50 amHOU-LHR

12h 34m1 stop

11:55 am - 7:50 pmLHR-HOU

13h 55m1 stop

$653Iberia

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dom., dic. 7 - mar., dic. 23

British Airways flights from Houston to London Heathrow Airport

Our best British Airways deals on Houston to London Heathrow Airport flight tickets

British Airways

Dec 8

IAH9:45 pmHouston George Bush Intcntl

9h 00m

LHR12:45 pmLondon Heathrow

Dec 24

LHR9:35 amLondon Heathrow

10h 30m

IAH2:05 pmHouston George Bush Intcntl

$624

Find similar

British Airways

Mar 9

HOU12:18 pmHouston Hobby

18h 57m

1 stop

LHR12:15 pmLondon Heathrow

Mar 23

LHR6:10 pmLondon Heathrow

30h 40m

2 stops

HOU7:50 pmHouston Hobby

$630

Find similar

British Airways

Jan 26

IAH9:35 amHouston George Bush Intcntl

15h 15m

1 stop

LHR6:50 amLondon Heathrow

Feb 3

LHR9:35 amLondon Heathrow

10h 30m

IAH2:05 pmHouston George Bush Intcntl

$635

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Lufthansa flights from Houston to London Heathrow Airport

Our best Lufthansa deals on Houston to London Heathrow Airport flight tickets

Lufthansa

Apr 28

IAH8:05 pmHouston George Bush Intcntl

9h 30m

LHR11:35 amLondon Heathrow

May 11

LHR8:25 pmLondon Heathrow

26h 10m

1 stop

IAH4:35 pmHouston George Bush Intcntl

$628

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Lufthansa

Dec 2

IAH5:00 pmHouston George Bush Intcntl

12h 15m

1 stop

LHR11:15 amLondon Heathrow

Dec 10

LHR8:15 pmLondon Heathrow

26h 15m

1 stop

IAH4:30 pmHouston George Bush Intcntl

$634

Find similar

Lufthansa

Dec 7

IAH5:00 pmHouston George Bush Intcntl

12h 15m

1 stop

LHR11:15 amLondon Heathrow

Dec 23

LHR10:00 amLondon Heathrow

10h 45m

IAH2:45 pmHouston George Bush Intcntl

$654

Find similar

momondo Fare Finder

Use the filters below to find and compare flights from Houston to London Heathrow Airport that are best for you.

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Route

Depart

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Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mié. 2/25

4:05 pm-10:30 am

1 stop12h 25m

London Heathrow

lun. 3/9

11:45 am-2:30 pm

1 stop31h 45m

$622

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mié. 3/4

11:55 am-6:30 am

1 stop12h 35m

London Heathrow

mar. 3/10

6:50 am-9:39 pm

2 stops19h 49m

$623

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

lun. 12/8

9:45 pm-12:45 pm

Nonstop9h 00m

London Heathrow

mié. 12/24

9:35 am-2:05 pm

Nonstop10h 30m

$624

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

lun. 1/19

12:40 pm-4:00 pm

2 stops21h 20m

London Heathrow

lun. 1/26

6:40 am-9:13 pm

2 stops20h 33m

$625

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

lun. 1/26

7:05 pm-10:15 am

Nonstop9h 10m

London Heathrow

mar. 2/3

9:30 am-6:15 pm

1 stop14h 45m

$626

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mié. 1/28

10:25 am-6:50 am

2 stops14h 25m

London Heathrow

lun. 2/2

8:40 am-1:30 pm

1 stop34h 50m

$627

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mar. 4/28

8:05 pm-11:35 am

Nonstop9h 30m

London Heathrow

lun. 5/11

8:25 pm-4:35 pm

1 stop26h 10m

$628

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

mar. 1/20

12:39 pm-6:50 am

1 stop12h 11m

London Heathrow

mié. 1/28

7:40 pm-8:36 am

2 stops18h 56m

$632

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

lun. 1/26

4:55 pm-11:40 am

1 stop12h 45m

London Heathrow

mar. 2/3

7:30 am-10:46 pm

2 stops21h 16m

$638

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

dom. 12/7

12:16 pm-6:50 am

1 stop12h 34m

London Heathrow

mar. 12/23

11:55 am-7:50 pm

1 stop13h 55m

$653

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to London Heathrow Airport

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 Heathrow Airport?

What is the cheapest month to fly to London Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Houston, with most prices found around $645. If you’re not able to fly to London Heathrow Airport in February, then October is your next best option. Flight prices from Houston to London Heathrow Airport during October average around $667.

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $781. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $954.

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

According to our data, the cheapest time of day to fly to London Heathrow Airport is at noon. momondo users have found flights departing from Houston to London Heathrow Airport at noon for as low as $886. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the evening are often more expensive with an average ticket price of $995.

What is the cheapest Houston to London Heathrow flight route?

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

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

You are more likely to see cheaper flights to London Heathrow Airport from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $835 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Houston for as low as $780 on momondo.

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

There are 4 cabin classes available to choose from on Houston to London Heathrow 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 Heathrow Airport flight deals and tips

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

Fastest flight time	9h 00m
Direct flights	Every day

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

Direct flights go from Houston to London Heathrow Airport every day.

Search flight deals

How far is Houston to London Heathrow by plane?
Houston and London Heathrow are 4833.3 mi apart from one another. 9h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Houston to London Heathrow Airport?
Prices for flights from Houston to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Houston to London Heathrow Airport?
As of November 2025, there are 11 operators available to choose from for flights from Houston to London Heathrow Airport.
How old do you have to be to fly from Houston to London Heathrow Airport?
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 Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport 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 Heathrow Airport. 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 Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $101	Free Cancellation	Rating 7.2 2,903 reviews	Search JetBlue flights
Virgin Atlantic	PriceFrom $476	Free Cancellation	Rating 7.5 675 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom $521	Free Cancellation	Rating 7.1 10,469 reviews	Search Air Canada flights
American Airlines	PriceFrom $522	Free Cancellation	Rating 7.2 11,042 reviews	Search American Airlines flights
Finnair	PriceFrom $553	Free Cancellation	Rating 7.6 1,334 reviews	Search Finnair flights
United Airlines	PriceFrom $564	Free Cancellation	Rating 7.4 9,044 reviews	Search United Airlines flights
British Airways	PriceFrom $566	Free Cancellation	Rating 6.7 7,535 reviews	Search British Airways flights
Iberia	PriceFrom $580	Free Cancellation	Rating 7.0 3,033 reviews	Search Iberia flights
Delta	PriceFrom $631	Free Cancellation	Rating 7.9 7,998 reviews	Search Delta flights
Austrian Airlines	PriceFrom $644	Free Cancellation	Rating 7.6 874 reviews	Search Austrian Airlines flights

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Dartford

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Crawley

Brentwood

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Why use momondo?

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

It is quick and easy to find Houston to London flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to London that suits 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?

momondo provides multiple filters to help you find the best flight to London from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Houston and alert you when they change.

An easier way to manage your London Heathrow Airport trip

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Cheap flights from Houston to London from $376

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 11/27. 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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British Airways flights from Houston to London Heathrow Airport

Our best British Airways deals on Houston to London Heathrow Airport flight tickets

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Our best Lufthansa deals on Houston to London Heathrow Airport flight tickets

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How to get the cheapest flight ticket from Houston to London Heathrow Airport

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

What is the cheapest month to fly to London Heathrow Airport?

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

Our data shows that Wednesday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $781. The most expensive day to fly to London Heathrow Airport is Friday, with ticket prices averaging around $954.

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

What is the cheapest Houston to London Heathrow flight route?

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

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

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

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

Brussels Airlines, British Airways, and Lufthansa are the most popular carriers operating from Houston to London Heathrow

What airlines fly to London Heathrow Airport?

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 145 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. 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 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 Heathrow Airport on average per day?

As of November 2025, there are 19 flights per day flying from Houston to London Heathrow Airport. The most common time of day flights depart is 4:00PM, with 57% of flights taking off in the afternoon.

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

The number of flights available between Houston and London Heathrow Airport is 137 per week as of November 2025. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.

Cheap Houston to London Heathrow Airport flight deals and tips

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

Fastest flight time

Direct flights

How far is Houston to London Heathrow by plane?

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

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

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

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

Best airlines flying from Houston to London Heathrow Airport

Compare and see reviews for airlines that fly from Houston to London Heathrow Airport 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 Heathrow Airport 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 London

Popular cities in the United Kingdom

Popular flights according to clicks in the last 7 days on momondo