Which layover airport offers the lowest fares from Houston George Bush Intcntl Airport to London Heathrow Airport?

Flights via Washington, D.C. (IAD) offer the lowest average round-trip price of $756.

Which airport is the most popular layover for flights between Houston George Bush Intcntl Airport and London Heathrow Airport?

Frankfurt am Main (FRA) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

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 George Bush Intcntl Airport 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 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 George Bush Intcntl to London Heathrow?

Air Canada, Austrian Airlines, and Lufthansa are the most popular carriers operating from Houston George Bush Intcntl to London Heathrow

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 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.

Which layover airport has the shortest travel time from Houston George Bush Intcntl Airport to London Heathrow Airport?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 12h 28m.

Which layover airport has the shortest connection time from Houston George Bush Intcntl Airport to London Heathrow Airport?

Dallas (DFW) has the shortest average layover time for this route: 2h 21m.

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

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

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

The travel and health documents you'll need for your trip to London Heathrow Airport 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 Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$374 Cheap Flights from Houston George Bush Intcntl Airport to London Heathrow Airport in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $680 to $1,086. The lowest price recently found on this route was $623.

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12:29 pm - 6:20 amIAH-LHR

11h 51m1 stop

10:25 am - 7:01 pmLHR-IAH

14h 36m1 stop

$623Brussels Airlines

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수, 1월 7 - 화, 1월 13

3:03 pm - 8:45 amIAH-LHR

11h 42m1 stop

6:30 am - 1:30 pmLHR-IAH

13h 00m1 stop

$624KLM

Find Deal

월, 1월 12 - 화, 1월 27

3:50 pm - 6:50 amIAH-LHR

9h 00mnonstop

9:35 am - 2:05 pmLHR-IAH

10h 30mnonstop

$625British Airways

Find Deal

화, 12월 2 - 화, 12월 9

11:57 am - 5:55 amIAH-LHR

11h 58m1 stop

6:40 pm - 2:40 pmLHR-IAH

26h 00m2 stops

$626Multiple Airlines

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수, 12월 10 - 수, 1월 7

7:05 pm - 10:15 amIAH-LHR

9h 10mnonstop

9:30 am - 6:15 pmLHR-IAH

14h 45m1 stop

$627United Airlines

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수, 1월 7 - 수, 1월 14

12:20 pm - 10:30 amIAH-LHR

16h 10m2 stops

6:30 am - 1:30 pmLHR-IAH

13h 00m1 stop

$628Delta

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월, 1월 26 - 화, 2월 3

1:36 pm - 7:50 amIAH-LHR

12h 14m1 stop

1:00 pm - 11:51 pmLHR-IAH

16h 51m2 stops

$629KLM

Find Deal

월, 12월 8 - 수, 12월 24

12:10 pm - 5:55 amIAH-LHR

11h 45m1 stop

6:00 am - 6:55 pmLHR-IAH

18h 55m2 stops

$630Austrian Airlines

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수, 11월 26 - 수, 12월 3

4:20 pm - 7:30 amIAH-LHR

9h 10mnonstop

1:25 pm - 9:39 pmLHR-IAH

14h 14m1 stop

$631United Airlines

Find Deal

수, 12월 31 - 일, 1월 18

9:45 pm - 12:45 pmIAH-LHR

9h 00mnonstop

9:35 am - 2:05 pmLHR-IAH

10h 30mnonstop

$632British Airways

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월, 1월 26 - 화, 2월 3

Virgin Atlantic flights from Houston George Bush Intcntl Airport to London Heathrow Airport

Our best Virgin Atlantic deals on Houston George Bush Intcntl Airport to London Heathrow Airport flight tickets

Virgin Atlantic

Jan 19

IAH12:40 pmHouston George Bush Intcntl

17h 00m

1 stop

LHR11:40 amLondon Heathrow

Jan 28

LHR8:25 pmLondon Heathrow

23h 05m

1 stop

IAH1:30 pmHouston George Bush Intcntl

$623

Find similar

Virgin Atlantic

Feb 2

IAH3:03 pmHouston George Bush Intcntl

11h 42m

1 stop

LHR8:45 amLondon Heathrow

Feb 5

LHR6:30 amLondon Heathrow

13h 00m

1 stop

IAH1:30 pmHouston George Bush Intcntl

$665

Find similar

Virgin Atlantic

Dec 4

IAH12:35 pmHouston George Bush Intcntl

11h 50m

1 stop

LHR6:25 amLondon Heathrow

Dec 8

LHR8:25 pmLondon Heathrow

23h 05m

1 stop

IAH1:30 pmHouston George Bush Intcntl

$666

Find similar

Air Canada flights from Houston George Bush Intcntl Airport to London Heathrow Airport

Our best Air Canada deals on Houston George Bush Intcntl Airport to London Heathrow Airport flight tickets

Air Canada

Jan 7

IAH7:10 amHouston George Bush Intcntl

17h 20m

1 stop

LHR6:30 amLondon Heathrow

Jan 14

LHR6:50 amLondon Heathrow

20h 49m

2 stops

IAH9:39 pmHouston George Bush Intcntl

$624

Find similar

Air Canada

Jan 14

IAH10:03 amHouston George Bush Intcntl

17h 17m

2 stops

LHR9:20 amLondon Heathrow

Jan 21

LHR9:00 amLondon Heathrow

18h 39m

2 stops

IAH9:39 pmHouston George Bush Intcntl

$625

Find similar

Air Canada

Apr 13

IAH11:50 amHouston George Bush Intcntl

16h 10m

1 stop

LHR10:00 amLondon Heathrow

Apr 28

LHR8:45 amLondon Heathrow

17h 41m

2 stops

IAH8:26 pmHouston George Bush Intcntl

$626

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momondo Fare Finder

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

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Price

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

수 1/7

12:29 pm-6:20 am

1 stop11h 51m

London Heathrow

화 1/13

10:25 am-7:01 pm

1 stop14h 36m

$623

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

월 1/12

3:03 pm-8:45 am

1 stop11h 42m

London Heathrow

화 1/27

6:30 am-1:30 pm

1 stop13h 00m

$624

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

화 12/2

3:50 pm-6:50 am

Nonstop9h 00m

London Heathrow

화 12/9

9:35 am-2:05 pm

Nonstop10h 30m

$625

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

수 12/10

11:57 am-5:55 am

1 stop11h 58m

London Heathrow

수 1/7

6:40 pm-2:40 pm

2 stops26h 00m

$626

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

수 1/7

7:05 pm-10:15 am

Nonstop9h 10m

London Heathrow

수 1/14

9:30 am-6:15 pm

1 stop14h 45m

$627

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

월 1/26

12:20 pm-10:30 am

2 stops16h 10m

London Heathrow

화 2/3

6:30 am-1:30 pm

1 stop13h 00m

$628

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

월 12/8

1:36 pm-7:50 am

1 stop12h 14m

London Heathrow

수 12/24

1:00 pm-11:51 pm

2 stops16h 51m

$629

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

수 11/26

12:10 pm-5:55 am

1 stop11h 45m

London Heathrow

수 12/3

6:00 am-6:55 pm

2 stops18h 55m

$630

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

수 12/31

4:20 pm-7:30 am

Nonstop9h 10m

London Heathrow

일 1/18

1:25 pm-9:39 pm

1 stop14h 14m

$631

HoustonLondon

IAH - LHR

IAHLHR

Houston George Bush Intcntl

월 1/26

9:45 pm-12:45 pm

Nonstop9h 00m

London Heathrow

화 2/3

9:35 am-2:05 pm

Nonstop10h 30m

$632

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How to get the cheapest flight ticket from Houston George Bush Intcntl Airport 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

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Other information

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and London Heathrow Airport?

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

The month of October is, on average, the cheapest month to fly to London Heathrow Airport from Houston George Bush Intcntl Airport, with most prices found around $652. If you’re not able to fly to London Heathrow Airport in October, then September is your next best option. Flight prices from Houston George Bush Intcntl Airport to London Heathrow Airport during September average around $676.

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 George Bush Intcntl Airport 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 George Bush Intcntl to London Heathrow flight route?

Fly from Houston George Bush Intcntl to London Heathrow for the best Houston George Bush Intcntl - 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 George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $812 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 George Bush Intcntl Airport for as low as $703 on momondo.

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

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Houston George Bush Intcntl Airport to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between Houston George Bush Intcntl Airport to London Heathrow Airport.

How have Houston George Bush Intcntl Airport to London Heathrow Airport flight prices changed over time?

As of November 2025, prices for Houston George Bush Intcntl Airport to London Heathrow Airport flights are approximately 18% cheaper when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Houston George Bush Intcntl Airport to London Heathrow Airport (IAH to LHR) flight deals and tips

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

Best Price Found	$403
Fastest flight time	9h 00m
Direct flights	Every day

The best one-way flight to London Heathrow Airport from Houston George Bush Intcntl Airport in the past 72 hours is $403. The best round-trip flight deal from Houston George Bush Intcntl Airport to London Heathrow Airport found on momondo in the last 72 hours is $696.

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

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

Search flight deals

How far is Houston George Bush Intcntl to London Heathrow by plane?
The distance between Houston George Bush Intcntl and London Heathrow is about 4820.4 mi. 9h 00m is a normal flight duration for this route.
When did momondo last update prices for flights from Houston George Bush Intcntl Airport to London Heathrow Airport?
Prices for flights from Houston George Bush Intcntl Airport to London Heathrow Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Houston George Bush Intcntl Airport to London Heathrow Airport?
As of November 2025, there are 11 operators available to choose from for flights from Houston George Bush Intcntl Airport to London Heathrow Airport.
How old do you have to be to fly from Houston George Bush Intcntl Airport to London Heathrow Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Houston George Bush Intcntl Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents you'll need for your trip to London Heathrow Airport 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 Heathrow Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Houston George Bush Intcntl Airport to London Heathrow Airport?
momondo data reveals that the most frequently booked plane model on the route from Houston George Bush Intcntl Airport to London Heathrow Airport is Boeing 777, representing 45.09% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 19.56%, Boeing 787-10 Dreamliner at 14.09%, and Boeing 777-300ER at 8.46%.
What is the most popular airline from Houston George Bush Intcntl Airport to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Houston George Bush Intcntl Airport to London Heathrow Airport is British Airways, representing 36% of all bookings. The subsequent popular airlines are United Airlines at 36%, Iberia at 18%, and American Airlines at 5%.

Best airlines flying from Houston George Bush Intcntl Airport to London Heathrow Airport

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

Airline	Rating	Free Cancellation	Price
JetBlue	PriceFrom $101	Free Cancellation	Rating 7.2 2,902 reviews	Search JetBlue flights
Virgin Atlantic	PriceFrom $476	Free Cancellation	Rating 7.5 674 reviews	Search Virgin Atlantic flights
Air Canada	PriceFrom $521	Free Cancellation	Rating 7.1 10,463 reviews	Search Air Canada flights
British Airways	PriceFrom $566	Free Cancellation	Rating 6.7 7,534 reviews	Search British Airways flights
United Airlines	PriceFrom $571	Free Cancellation	Rating 7.4 9,030 reviews	Search United Airlines flights
American Airlines	PriceFrom $572	Free Cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
Iberia	PriceFrom $580	Free Cancellation	Rating 7.0 3,028 reviews	Search Iberia flights
Finnair	PriceFrom $582	Free Cancellation	Rating 7.6 1,334 reviews	Search Finnair flights
Delta	PriceFrom $631	Free Cancellation	Rating 7.9 8,002 reviews	Search Delta flights
Austrian Airlines	PriceFrom $644	Free Cancellation	Rating 7.6 874 reviews	Search Austrian Airlines flights

Finnair Flights From Houston George Bush Intcntl Airport to London Heathrow Airport
Finnair is one of the most popular airlines flying from Houston George Bush Intcntl Airport to London Heathrow Airport, operating 9 flights/week on average for this route. A good Finnair flight deal for Houston George Bush Intcntl Airport to London Heathrow Airport starts from $582 round-trip, up to an average price of $739. Our users have rated Finnair at 7.6/10.
Austrian Airlines Flights From Houston George Bush Intcntl Airport to London Heathrow Airport
Across 874 Austrian Airlines reviews on momondo, the average score is 7.6/10. Austrian Airlines flies from Houston George Bush Intcntl Airport to London Heathrow Airport about 14 times each week, with ticket deals ranging from $644 to $1,294. Price data is based on momondo searches in the last 72 hours.

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Why use momondo?

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momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to London. Millions of users trust and use momondo every year so you are in good hands.

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

Yes. momondo allows you to filter the results for Houston to London flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Houston and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to London from Houston are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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Houston George Bush Intcntl Airport flight routes

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Cheap flights from Houston George Bush Intcntl Airport to London from $363

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Virgin Atlantic flights from Houston George Bush Intcntl Airport to London Heathrow Airport

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Our best Air Canada deals on Houston George Bush Intcntl Airport to London Heathrow Airport flight tickets

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How to get the cheapest flight ticket from Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport 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 George Bush Intcntl to London Heathrow flight route?

Fly from Houston George Bush Intcntl to London Heathrow for the best Houston George Bush Intcntl - 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 George Bush Intcntl to London Heathrow flights?

There are 4 cabin classes available to choose from on Houston George Bush Intcntl to London Heathrow flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Houston George Bush Intcntl Airport to London Heathrow Airport flights?

No. A direct flight is the cheapest option for a flight between Houston George Bush Intcntl Airport to London Heathrow Airport.

How have Houston George Bush Intcntl Airport to London Heathrow Airport flight prices changed over time?

As of November 2025, prices for Houston George Bush Intcntl Airport to London Heathrow Airport flights are approximately 18% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Houston George Bush Intcntl to London Heathrow?

Air Canada, Austrian Airlines, and Lufthansa are the most popular carriers operating from Houston George Bush Intcntl 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.

Which airport is the most popular layover for flights between Houston George Bush Intcntl Airport and London Heathrow Airport?

Frankfurt am Main (FRA) was the most common stop: 33% of momondo users choosing 1-stop flights on this route connected there.

Which layover airport offers the lowest fares from Houston George Bush Intcntl Airport to London Heathrow Airport?

Flights via Washington, D.C. (IAD) offer the lowest average round-trip price of $756.

Which layover airport has the shortest travel time from Houston George Bush Intcntl Airport to London Heathrow Airport?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 12h 28m.

Which layover airport has the shortest connection time from Houston George Bush Intcntl Airport to London Heathrow Airport?

Dallas (DFW) has the shortest average layover time for this route: 2h 21m.

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

As of November 2025, there are 18 flights per day flying from Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport to London Heathrow Airport on average per week?

As of November 2025, there are 128 flights per week flying from Houston George Bush Intcntl Airport to London Heathrow Airport. The most common day of the week flights depart is Thu, with 16% of flights taking off on this day.

When to book flights from Houston George Bush Intcntl Airport to London Heathrow Airport

Cheap Houston George Bush Intcntl Airport to London Heathrow Airport (IAH to LHR) flight deals and tips

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

Best Price Found

Fastest flight time

Direct flights

How far is Houston George Bush Intcntl to London Heathrow by plane?

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

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

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

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

What is the most popular plane model from Houston George Bush Intcntl Airport to London Heathrow Airport?

What is the most popular airline from Houston George Bush Intcntl Airport to London Heathrow Airport?

Best airlines flying from Houston George Bush Intcntl Airport to London Heathrow Airport

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

Finnair Flights From Houston George Bush Intcntl Airport to London Heathrow Airport

Austrian Airlines Flights From Houston George Bush Intcntl Airport to London Heathrow Airport

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