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£394 Cheap Flights from London (LHR) to Houston (IAH)

View £394 flight on Mon, 7 Sept 2026Opens in a new window

Popular airlines from Heathrow Airport (LHR) to George Bush Intercontinental Airport (IAH)

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Cheap Flights from London (LHR) to Houston (IAH)

Prices were available within the past 7 days and start at £394 for one-way flights and £612 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Scandinavian Airlines
Wed, 28 Oct - Wed, 11 Nov
LHR
London
IAH
Houston
£612 Return, found 1 day ago
£612
Return
found 1 day ago
Select Scandinavian Airlines flight, departing Wed, 28 Oct from London to Houston, returning Wed, 11 Nov, priced at £612 found 1 day ago
JetBlue Airways
Mon, 7 Sept - Mon, 21 Sept
LHR
London
IAH
Houston
£614 Return, just found
£614
Return
just found
Select JetBlue Airways flight, departing Mon, 7 Sept from London to Houston, returning Mon, 21 Sept, priced at £614 just found
Turkish Airlines
Tue, 24 Nov - Tue, 1 Dec
LHR
London
IAH
Houston
£793 Return, found 21 hours ago
£793
Return
found 21 hours ago
Select Turkish Airlines flight, departing Tue, 24 Nov from London to Houston, returning Tue, 1 Dec, priced at £793 found 21 hours ago
Icelandair
Wed, 9 Sept - Sat, 26 Sept
LHR
London
IAH
Houston
£820 Return, just found
£820
Return
just found
Select Icelandair flight, departing Wed, 9 Sept from London to Houston, returning Sat, 26 Sept, priced at £820 just found
WestJet
Sat, 10 Oct - Sat, 24 Oct
LHR
London
IAH
Houston
£849 Return, found 3 hours ago
£849
Return
found 3 hours ago
Select WestJet flight, departing Sat, 10 Oct from London to Houston, returning Sat, 24 Oct, priced at £849 found 3 hours ago
United
Wed, 28 Oct - Wed, 18 Nov
LHR
London
IAH
Houston
£859 Return, found 1 day ago
£859
Return
found 1 day ago
Select United flight, departing Wed, 28 Oct from London to Houston, returning Wed, 18 Nov, priced at £859 found 1 day ago
Lufthansa
Tue, 1 Dec - Tue, 29 Dec
LHR
London
IAH
Houston
£873 Return, found 4 hours ago
£873
Return
found 4 hours ago
Select Lufthansa flight, departing Tue, 1 Dec from London to Houston, returning Tue, 29 Dec, priced at £873 found 4 hours ago
Virgin Atlantic
Sun, 1 Nov - Sun, 8 Nov
LHR
London
IAH
Houston
£881 Return, found 23 hours ago
£881
Return
found 23 hours ago
Select Virgin Atlantic flight, departing Sun, 1 Nov from London to Houston, returning Sun, 8 Nov, priced at £881 found 23 hours ago
British Airways
Mon, 30 Nov - Sun, 6 Dec
LHR
London
IAH
Houston
£882 Return, found 2 hours ago
£882
Return
found 2 hours ago
Select British Airways flight, departing Mon, 30 Nov from London to Houston, returning Sun, 6 Dec, priced at £882 found 2 hours ago
British Airways
Mon, 30 Nov - Sun, 6 Dec
LHR
London
IAH
Houston
£882 Return, found 2 hours ago
£882
Return
found 2 hours ago
Select British Airways flight, departing Mon, 30 Nov from London to Houston, returning Sun, 6 Dec, priced at £882 found 2 hours ago

Alternative airports near Houston

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to George Bush Intercontinental IAH. Cheapest option available. Average driving time to city centre is 24 minutes. Flights from £902
IAH
George Bush Intercontinental
Cheapest
Average driving time to city centre24 min
Flights from £902

Find the cheapest month to fly from London (LHR) to Houston (IAH)

February is typically the cheapest month to fly

From £438 - £856 per traveller.

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) cost?
You can find cheap one-way flights from £394 and cheap return flights from £612 LHR to IAH with Expedia. One-way flights typically cost between £617 and £3296, and return flights often range between £810 and £5962. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when LHR to IAH ticket fares go up or down.
What is the cheapest month to fly from London (LHR) to Houston, TX (IAH)?
The cheapest months to fly from London (LHR) to Houston, TX (IAH) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
There are 2 airlines that offer direct flights from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental):
  • British Airways operates 14 direct flights from LHR to IAH every week.
  • United operates 14 direct flights from LHR to IAH every week.
What is the cheapest airline that flies from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
Alaska Airlines offers one of the cheapest connecting return flights from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) with a layover in Seattle - Tacoma Intl. (SEA), starting from around £1007. British Airways is one of the cheapest airlines offering nonstop return flights from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental), with tickets starting from around £1123 for flights that can be booked for departure within the next year. These prices are per adult, for economy/coach class. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
To find a cheap flight from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
The best airline to fly with from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) will differ from traveler to traveler. If you like to fly early, British Airways offers early morning flights. If price is the most important factor, British Airways typically offers the lowest fares. United offers the most daily flights from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
The best time to fly from London Heathrow (LHR) to Houston, TX (IAH) is a bit of a balancing act. You'll find the cheapest flights in October or September, with average return prices around £657. However, July is the most popular month for this route, meaning you'll have plenty of flight options and schedules to choose from, though prices might be higher. If you're looking for the best value, aiming for October or September could save you money, while July offers the most flexibility in terms of flight times.
How many flights per day from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
You'll find approximately 4 nonstop flights per day from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental). For even more choices, look at flights that include layovers, as there are around 144 connecting flights per day. Some common connection points include Dublin (DUB), John F. Kennedy Intl. (JFK), and O'Hare Intl. (ORD).
What is the earliest flight from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
The earliest flight from London Heathrow (LHR) to Houston, TX (IAH-George Bush Intercontinental) typically departs around 6:00 AM. This service is operated by British Airways and American Airlines. This is a seasonal service active in November. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
You'll typically find the most flights from London Heathrow (LHR) to Houston, TX (IAH) on a Saturday, with around 93 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include United, British Airways, and American Airlines. Flight schedules are fairly consistent throughout the week, with Saturday offering only slightly more options than other days.
What are the most popular departure times for flights from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
The most popular departure times for flights from London Heathrow (LHR) to Houston, TX (IAH) are in the morning, between 9am and 12pm. Many major carriers, including United, British Airways and American Airlines, offer flights during this window. This timing works well because it allows you to start your journey after the morning rush and arrive in Houston in the afternoon, giving you time to settle in.
How long does it take to fly from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
A nonstop flight from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) typically takes around 10 hours 18 minutes. This journey covers a distance of approximately 7,763 kilometers. If you opt for a flight with one stop, your travel time will be longer, usually around 14 hours 30 minutes. Flights with two or more stops generally take about 18 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some flexibility in your travel plans.
Can you fly business or first class from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
Yes, you can fly business class or first class between LHR and IAH.Airlines that offer business class service on this route include:
  • Lufthansa
  • Air France
  • Turkish Airlines
  • Iberia
  • Icelandair
  • British Airways
  • Med View Airlines
  • Air Canada
  • Brussels Airlines
  • KLM
  • Eurowings
  • ITA Airways
  • United
  • Delta
  • Virgin Atlantic
  • American Airlines
First class cabins are available on British Airways and American Airlines.
How much is a business class flight from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
A direct, return business class ticket from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) typically costs between £8,071 - £12,758. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) if you opt for a connecting flight.
How do I earn miles on a London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) flight with Expedia?
It's easy to earn miles on a London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Houston, TX (IAH) from London (LHR)?
If you're planning to travel to Houston from Heathrow (LHR), you can fly directly into George Bush Intercontinental (IAH). Some flights may connect through major hubs like Frankfurt Intl. (FRA), Logan Intl. (BOS), or John F. Kennedy Intl. (JFK) before reaching Houston. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) at the last minute?
Typically, booking a last minute flight from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package?
Securing a London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
If you booked your London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Heathrow
Destination airport
George Bush Intercontinental
Airlines serving
Aer Lingus, Aeromexico, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, ITA Airways, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic, WestJet
Return price
£611
Distance
7718 km
Average flight time
4 hours 22 mins

Book with confidence

Compare flights from London to Houston easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from London to Houston. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to George Bush Intercontinental in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Heathrow to George Bush Intercontinental.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Heathrow (LHR) to George Bush Intercontinental (IAH)

The easiest way to view the best deals on flights from London to Houston today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Heathrow to George Bush Intercontinental start at just £612 and range up to £882.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near London and Houston
  • booking your flight during October, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your London to Houston flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Heathrow to George Bush Intercontinental for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from London to Houston easily and book with confidence

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