Question 1

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

Accepted Answer

In general, October is the cheapest month to fly from Houston George Bush Intcntl Airport to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £485. The month of September is another great option to travel to London Heathrow Airport, with average flight prices from Houston George Bush Intcntl Airport averaging around £500.

Question 2

What is the most punctual flight time for Houston to London flights?

Accepted Answer

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Question 3

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

Accepted Answer

British Airways, Delta, and Virgin Atlantic are the most popular carriers operating from Houston George Bush Intcntl to London Heathrow

Question 4

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

Accepted Answer

18 flights are operational daily from Houston George Bush Intcntl Airport to London Heathrow Airport as of January 2026. The most popular departure time for this route is 16:00, with 58% of flights per day taking off in the afternoon.

Question 5

How often are flights from Houston to London delayed?

Accepted Answer

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.

Question 6

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

Accepted Answer

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 £606 when searching weeks before you fly. 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 £556 on momondo.

Question 7

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

Accepted Answer

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the afternoon. momondo users have found flights departing from Houston George Bush Intcntl Airport to London Heathrow Airport in the afternoon for as low as £561. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are £667 on average. Flights to London Heathrow Airport from Houston George Bush Intcntl Airport in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

Question 8

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

Accepted Answer

The number of flights available between Houston George Bush Intcntl Airport and London Heathrow Airport is 126 per week as of January 2026. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.

Question 9

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

Accepted Answer

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.

Question 10

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

Accepted Answer

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

Question 11

What is the cheapest Houston George Bush Intcntl to London Heathrow flight route?

Accepted Answer

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

Question 12

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 13

Which airlines fly to London Heathrow Airport?

Accepted Answer

British Airways, United Airlines and Lufthansa 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 49% of people opting to fly with this airline when travelling to London Heathrow Airport. Keep in mind that there are 5 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.

Question 14

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

Accepted Answer

As of January 2026, prices for Houston George Bush Intcntl Airport to London Heathrow Airport flights are approximately 14% more expensive when compared to flights at the same time last year.

Question 15

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

Accepted Answer

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

Question 16

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

Accepted Answer

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

Question 17

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

Accepted Answer

As of January 2026, there are 5 operators available to choose from for flights from Houston George Bush Intcntl Airport to London Heathrow Airport.

Question 18

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

Accepted Answer

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 George Bush Intcntl Airport to London Heathrow Airport.

Question 19

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

Accepted Answer

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 price found	£326
Fastest flight time	9h 00m
Direct flights	Every day

Airline	Rating	Free Cancellation	Price
Virgin Atlantic	PriceFrom £300	Free Cancellation	Rating 7.5 678 reviews	Search Virgin Atlantic flights
Iberia	PriceFrom £425	Free Cancellation	Rating 7.0 3,076 reviews	Search Iberia flights
United Airlines	PriceFrom £426	Free Cancellation	Rating 7.4 9,139 reviews	Search United Airlines flights
Lufthansa	PriceFrom £429	Free Cancellation	Rating 6.8 7,692 reviews	Search Lufthansa flights
British Airways	PriceFrom £446	Free Cancellation	Rating 6.7 7,657 reviews	Search British Airways flights

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

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

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 January 2026, prices for Houston George Bush Intcntl Airport to London Heathrow Airport flights are approximately 14% more expensive 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?

British Airways, Delta, and Virgin Atlantic are the most popular carriers operating from Houston George Bush Intcntl to London Heathrow

Which 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 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 departing 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 that experiences the fewest 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 fewest 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 George Bush Intcntl Airport to London Heathrow Airport on average per day?

18 flights are operational daily from Houston George Bush Intcntl Airport to London Heathrow Airport as of January 2026. The most popular departure time for this route is 16:00, with 58% of flights per day taking off in the afternoon.

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

The number of flights available between Houston George Bush Intcntl Airport and London Heathrow Airport is 126 per week as of January 2026. The most frequent departure day is Thu, with 17% of weekly flights leaving on this day.

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

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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?

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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

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