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

As of October 2025, there are 21 flights per day flying from Houston to London Heathrow Airport. The most common time of day flights depart is 4:00PM, with 53% of flights taking off in the evening.

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 149 per week as of October 2025. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.

What airlines fly to London Heathrow Airport?

United Airlines, British Airways and Iberia are the top three most popular airlines that fly to London Heathrow Airport from Houston according to our data. United Airlines 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 is the cheapest airline that flies from Houston to London Heathrow?

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

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 October 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.

$247 Cheap Flights from Houston to London Heathrow Airport in 2025/26

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11:50 am - 7:10 amIAH-LHR

14h 20m1 stop

6:50 am - 9:39 pmLHR-IAH

20h 49m2 stops

$535Air Canada

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Sun, Oct 26 - Tue, Nov 11

6:09 pm - 11:40 amIAH-LHR

12h 31m1 stop

6:30 am - 1:30 pmLHR-IAH

13h 00m1 stop

$540Virgin Atlantic

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Sun, Oct 26 - Tue, Nov 11

9:50 pm - 12:50 pmIAH-LHR

9h 00mnonstop

9:35 am - 2:05 pmLHR-IAH

10h 30mnonstop

$551Iberia

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Sun, Nov 30 - Tue, Dec 23

9:50 pm - 12:50 pmIAH-LHR

9h 00mnonstop

9:35 am - 2:05 pmLHR-IAH

10h 30mnonstop

$552Iberia

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Sun, Nov 30 - Tue, Dec 23

6:10 pm - 8:35 pmIAH-LHR

44h 25m2 stops

11:05 am - 9:39 pmLHR-IAH

40h 34m2 stops

$557Air Canada

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Fri, Feb 13 - Mon, Feb 16

4:50 pm - 6:50 amIAH-LHR

9h 00mnonstop

9:35 am - 2:05 pmLHR-IAH

10h 30mnonstop

$605British Airways

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Sun, Oct 26 - Tue, Nov 11

8:05 pm - 10:15 amIAH-LHR

9h 10mnonstop

6:35 am - 4:10 pmLHR-IAH

15h 35m1 stop

$613United Airlines

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Wed, Oct 29 - Fri, Nov 7

11:00 am - 9:40 amIAH-LHR

17h 40m1 stop

6:35 am - 4:10 pmLHR-IAH

15h 35m1 stop

$617United Airlines

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Wed, Oct 29 - Fri, Nov 7

5:10 pm - 3:50 pmIAH-LHR

16h 40m2 stops

11:10 am - 10:57 pmLHR-IAH

17h 47m2 stops

$621Lufthansa

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Wed, Nov 12 - Wed, Nov 19

12:15 pm - 6:50 amHOU-LHR

12h 35m1 stop

8:20 am - 8:20 pmLHR-HOU

18h 00m1 stop

$651British Airways

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Wed, Nov 5 - Wed, Nov 12

Scandinavian Airlines flights from Houston to London Heathrow Airport

Our best Scandinavian Airlines deals on Houston to London Heathrow Airport flight tickets

Scandinavian Airlines

Nov 11

IAH4:00 pmHouston George Bush Intcntl

20h 30m

2 stops

LHR6:30 pmLondon Heathrow

Nov 14

LHR6:40 amLondon Heathrow

23h 16m

2 stops

IAH11:56 pmHouston George Bush Intcntl

$603

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Scandinavian Airlines

Nov 8

IAH11:01 amHouston George Bush Intcntl

22h 59m

2 stops

LHR4:00 pmLondon Heathrow

Nov 14

LHR10:20 amLondon Heathrow

19h 36m

2 stops

IAH11:56 pmHouston George Bush Intcntl

$633

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Scandinavian Airlines

Oct 21

IAH4:00 pmHouston George Bush Intcntl

23h 40m

2 stops

LHR9:40 pmLondon Heathrow

Oct 28

LHR6:40 amLondon Heathrow

22h 19m

2 stops

IAH11:59 pmHouston George Bush Intcntl

$664

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Delta flights from Houston to London Heathrow Airport

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

Delta

Oct 26

IAH6:09 pmHouston George Bush Intcntl

12h 31m

1 stop

LHR11:40 amLondon Heathrow

Nov 11

LHR6:30 amLondon Heathrow

13h 00m

1 stop

IAH1:30 pmHouston George Bush Intcntl

$612

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Delta

Oct 22

IAH3:14 pmHouston George Bush Intcntl

14h 11m

1 stop

LHR11:25 amLondon Heathrow

Oct 31

LHR6:30 amLondon Heathrow

13h 00m

1 stop

IAH2:30 pmHouston George Bush Intcntl

$620

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Delta

Nov 4

IAH10:00 amHouston George Bush Intcntl

15h 50m

2 stops

LHR7:50 amLondon Heathrow

Nov 27

LHR6:30 amLondon Heathrow

13h 00m

1 stop

IAH1:30 pmHouston George Bush Intcntl

$624

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HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 10/26

11:50 am-7:10 am

1 stop14h 20m

London Heathrow

Tue 11/11

6:50 am-9:39 pm

2 stops20h 49m

$535

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 10/26

6:09 pm-11:40 am

1 stop12h 31m

London Heathrow

Tue 11/11

6:30 am-1:30 pm

1 stop13h 00m

$540

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 11/30

9:50 pm-12:50 pm

Nonstop9h 00m

London Heathrow

Tue 12/23

9:35 am-2:05 pm

Nonstop10h 30m

$551

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 11/30

9:50 pm-12:50 pm

Nonstop9h 00m

London Heathrow

Tue 12/23

9:35 am-2:05 pm

Nonstop10h 30m

$552

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Fri 2/13

6:10 pm-8:35 pm

2 stops44h 25m

London Heathrow

Mon 2/16

11:05 am-9:39 pm

2 stops40h 34m

$557

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Sun 10/26

4:50 pm-6:50 am

Nonstop9h 00m

London Heathrow

Tue 11/11

9:35 am-2:05 pm

Nonstop10h 30m

$605

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 10/29

8:05 pm-10:15 am

Nonstop9h 10m

London Heathrow

Fri 11/7

6:35 am-4:10 pm

1 stop15h 35m

$613

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 10/29

11:00 am-9:40 am

1 stop17h 40m

London Heathrow

Fri 11/7

6:35 am-4:10 pm

1 stop15h 35m

$617

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

Wed 11/12

5:10 pm-3:50 pm

2 stops16h 40m

London Heathrow

Wed 11/19

11:10 am-10:57 pm

2 stops17h 47m

$621

HoustonLondon

HOU - LHR

HOULHR

Houston Hobby

Wed 11/5

12:15 pm-6:50 am

1 stop12h 35m

London Heathrow

Wed 11/12

8:20 am-8:20 pm

1 stop18h 00m

$651

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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

Prices

Airlines

Other information

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 $648. 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 $989.

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 $830 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 $757 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.

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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 October 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 2,908 reviews	Search JetBlue flights
Delta	PriceFrom $447	Free Cancellation	Rating 7.9 7,971 reviews	Search Delta flights
American Airlines	PriceFrom $522	Free Cancellation	Rating 7.2 11,043 reviews	Search American Airlines flights
Finnair	PriceFrom $553	Free Cancellation	Rating 7.6 1,332 reviews	Search Finnair flights
British Airways	PriceFrom $569	Free Cancellation	Rating 6.7 7,446 reviews	Search British Airways flights
United Airlines	PriceFrom $572	Free Cancellation	Rating 7.4 8,966 reviews	Search United Airlines flights
Iberia	PriceFrom $573	Free Cancellation	Rating 7.0 2,982 reviews	Search Iberia flights
Virgin Atlantic	PriceFrom $582	Free Cancellation	Rating 7.4 665 reviews	Search Virgin Atlantic flights
Austrian Airlines	PriceFrom $644	Free Cancellation	Rating 7.6 853 reviews	Search Austrian Airlines flights
Air Canada	PriceFrom $657	Free Cancellation	Rating 7.1 10,263 reviews	Search Air Canada flights

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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 $247

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 10/21. 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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Scandinavian Airlines flights from Houston to London Heathrow Airport

Our best Scandinavian Airlines deals on Houston to London Heathrow Airport flight tickets

Delta flights from Houston to London Heathrow Airport

Our best Delta 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 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?

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

What airlines fly to London Heathrow Airport?

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

As of October 2025, there are 21 flights per day flying from Houston to London Heathrow Airport. The most common time of day flights depart is 4:00PM, with 53% of flights taking off in the evening.

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 149 per week as of October 2025. The most frequent departure day is Mon, with 15% 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