Cheap flights from Houston George Bush Intcntl Airport to London from $252
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 George Bush Intcntl Airport to London departing on 9/20. 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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Air Canada flights from Houston George Bush Intcntl Airport to London Heathrow Airport
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British Airways flights from Houston George Bush Intcntl Airport to London Heathrow Airport
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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 cheapest month to fly to London Heathrow Airport?
The month of April is, on average, the cheapest month to fly to London Heathrow Airport from Houston George Bush Intcntl Airport, with most prices found around $681. If you’re not able to fly to London Heathrow Airport in April, then September is your next best option. Flight prices from Houston George Bush Intcntl Airport to London Heathrow Airport during September average around $683.
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 $972.
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 $818 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 $735 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?
You could potentially save up to 1% on your flight if you consider stops on a Houston George Bush Intcntl Airport to London Heathrow Airport flight.
How have Houston George Bush Intcntl Airport to London Heathrow Airport flight prices changed over time?
As of July 2025, prices for Houston George Bush Intcntl Airport to London Heathrow Airport flights are approximately 37% 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?
WestJet is the most popular carrier operating from Houston George Bush Intcntl to London Heathrow
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 George Bush Intcntl Airport 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 Heathrow Airport. Keep in mind that there are 10 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How many flights depart from Houston George Bush Intcntl Airport to London Heathrow Airport on average per day?
As of July 2025, there are 21 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 55% of flights taking off in the evening.
How many flights depart from Houston George Bush Intcntl Airport to London Heathrow Airport on average per week?
As of July 2025, there are 149 flights per week flying from Houston George Bush Intcntl Airport to London Heathrow Airport. The most common day of the week flights depart is Mon, with 15% 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
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 10m 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 July 2025, there are 10 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 55.03% of all bookings. The subsequent popular models are Boeing 787-9 Dreamliner at 21.29%, Boeing 787-10 Dreamliner at 11.17%, and Boeing 777-300 at 8.87%.
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 United Airlines, representing 36% of all bookings. The subsequent popular airlines are British Airways at 31%, Iberia at 21%, 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 | ||
|---|---|---|---|---|---|
| PriceFrom $396 | Free Cancellation | Rating 8.0 7,983 reviews | |||
| PriceFrom $574 | Free Cancellation | Rating 7.1 9,678 reviews | |||
| PriceFrom $580 | Free Cancellation | Rating 7.0 2,819 reviews | |||
| PriceFrom $581 | Free Cancellation | Rating 7.6 1,306 reviews | |||
| PriceFrom $582 | Free Cancellation | Rating 7.4 654 reviews | |||
| PriceFrom $611 | Free Cancellation | Rating 6.8 7,207 reviews | |||
| PriceFrom $616 | Free Cancellation | Rating 7.4 8,861 reviews | |||
| PriceFrom $620 | Free Cancellation | Rating 6.6 7,093 reviews | |||
| PriceFrom $622 | Free Cancellation | Rating 7.2 10,000 reviews | |||
| PriceFrom $1,125 | Free Cancellation | Rating 7.6 809 reviews |
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 13 flights/week on average for this route. A good Finnair flight deal for Houston George Bush Intcntl Airport to London Heathrow Airport starts from $581 round-trip, up to an average price of $736. Our users have rated Finnair at 7.6/10.
Austrian Airlines Flights From Houston George Bush Intcntl Airport to London Heathrow Airport
Across 809 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 $1,125 to $1,343. Price data is based on momondo searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Houston to London?
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.