£414 Cheap Flights from London (LHR) to Houston (IAH)

View £414 flight on Tue, 6 Oct 2026Opens in a new window

Flight 1

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 £414 for one-way flights and £601 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Thu, 3 Dec - Fri, 11 Dec
LHR
London
IAH
Houston
£601 Return, just found
£601
Return
just found
Select JetBlue Airways flight, departing Thu, 3 Dec from London to Houston, returning Fri, 11 Dec, priced at £601 just found
JetBlue Airways
Mon, 21 Sept - Sun, 4 Oct
LHR
London
IAH
Houston
£626 Return, found 9 hours ago
£626
Return
found 9 hours ago
Select JetBlue Airways flight, departing Mon, 21 Sept from London to Houston, returning Sun, 4 Oct, priced at £626 found 9 hours ago
Turkish Airlines
Wed, 3 Mar - Wed, 17 Mar
LHR
London
IAH
Houston
£775 Return, found 21 hours ago
£775
Return
found 21 hours ago
Select Turkish Airlines flight, departing Wed, 3 Mar from London to Houston, returning Wed, 17 Mar, priced at £775 found 21 hours ago
Icelandair
Tue, 2 Jun - Tue, 25 Aug
LHR
London
IAH
Houston
£858 Return, found 1 day ago
£858
Return
found 1 day ago
Select Icelandair flight, departing Tue, 2 Jun from London to Houston, returning Tue, 25 Aug, priced at £858 found 1 day ago
Lufthansa
Mon, 23 Nov - Thu, 3 Dec
LHR
London
IAH
Houston
£885 Return, found 1 hour ago
£885
Return
found 1 hour ago
Select Lufthansa flight, departing Mon, 23 Nov from London to Houston, returning Thu, 3 Dec, priced at £885 found 1 hour ago
ITA Airways
Tue, 5 May - Wed, 13 May
LHR
London
IAH
Houston
£890 Return, found 1 hour ago
£890
Return
found 1 hour ago
Select ITA Airways flight, departing Tue, 5 May from London to Houston, returning Wed, 13 May, priced at £890 found 1 hour ago
Brussels Airlines
Wed, 30 Sept - Mon, 5 Oct
LHR
London
IAH
Houston
£891 Return, just found
£891
Return
just found
Select Brussels Airlines flight, departing Wed, 30 Sept from London to Houston, returning Mon, 5 Oct, priced at £891 just found
American Airlines
Wed, 7 Oct - Sat, 7 Nov
LHR
London
IAH
Houston
£895 Return, found 6 hours ago
£895
Return
found 6 hours ago
Select American Airlines flight, departing Wed, 7 Oct from London to Houston, returning Sat, 7 Nov, priced at £895 found 6 hours ago
Air Canada
Sun, 7 Mar - Sun, 21 Mar
LHR
London
IAH
Houston
£902 Return, found 6 hours ago
£902
Return
found 6 hours ago
Select Air Canada flight, departing Sun, 7 Mar from London to Houston, returning Sun, 21 Mar, priced at £902 found 6 hours ago
British Airways
Wed, 30 Sept - Mon, 5 Oct
LHR
London
IAH
Houston
£910 Return, just found
£910
Return
just found
Select British Airways flight, departing Wed, 30 Sept from London to Houston, returning Mon, 5 Oct, priced at £910 just found

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 £905
IAH
George Bush Intercontinental
Cheapest
Average driving time to city centre24 min
Flights from £905

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

September is typically the cheapest month to fly

From £600 - £839 per traveller.

Frequently asked questions

How much does a flight from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental) cost?
One-way flights typically cost between £2,200 and £7,620 and return flights often range between £2,200 and £7,620. 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 Anaa (AAA) to Toronto, ON (YYZ-Pearson Intl.) ticket fares go up or down.
What is the cheapest month to fly from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
October is typically the cheapest month to fly from London Heathrow (LHR) to Houston, TX (IAH), with average return fares of approximately £1222. This is about 18% lower than the average price throughout the year. October often sees lower prices as the summer travel rush has ended and before the winter holiday season begins, leading to reduced demand. Other cheap months to fly from London Heathrow (LHR) to Houston, TX (IAH) include March and September.
Which airlines fly direct from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
Enter LHR to IAH and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
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 Heathrow (LHR) to Houston, TX (IAH) will differ from traveller to traveller. If you like to fly early, BA offers early morning flights. If price is the most important factor, BA typically offers the lowest fares. UA offers the most daily flights from London Heathrow (LHR) to Houston, TX (IAH), which is brilliant 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)?
Based on booking data from the past year, if you're looking for the best balance of price and popularity for flights from London Heathrow (LHR) to Houston, TX (IAH), you'll find that October and September are typically the cheapest months, with average return flights around £1222. While July is the most popular month for travel, offering plenty of flight options, it's not the cheapest. For the best value, consider flying in the autumn months when you can still find good availability at a lower price.
How many flights per day from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
There are approximately 4 nonstop flights per day from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental). For even more choice, look at flights that include layovers. You'll find around 127 connecting flights per day. Some common connection points include Unknown (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 at approximately 6:00 AM local time. This service is operated by British Airways and American Airlines, but it is a seasonal service active only in November. An early departure like this can help you maximise your time in Houston. 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)?
If you're flying from London Heathrow (LHR) to Houston, TX (IAH-George Bush Intercontinental), you'll typically find the most flights on a Tuesday, with around 92 flights available. This gives you plenty of options to choose from. Major airlines on this route include United Airlines, British Airways, and American Airlines. Flight schedules are consistent throughout the week, so you'll have a good selection of flights regardless of the day you choose to travel.
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, from 9am to 12pm. About 42% of passengers prefer this time. Many major carriers, including United Airlines and British Airways, offer flights during this window. This timing works well because it allows you to start your journey relatively early in the day, arriving in Houston with plenty of time to settle in.
How long does it take to fly from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
Direct flights from LHR to IAH usually take about 10 hours 30 minutes, traveling roughly 4,824 miles. If you opt for a connecting flight, expect to add around 4 hours to your journey. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from London (LHR-Heathrow) to Houston, TX (IAH-George Bush Intercontinental)?
Select the "Business class" and "First class" filters when looking for LHR to IAH flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
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 from Heathrow (LHR)?
From Heathrow (LHR), you can fly into William P. Hobby (HOU) and George Bush Intercontinental (IAH) in Houston. Some flights may connect through major hubs like Logan Intl. (BOS), John F. Kennedy Intl. (JFK), Pearson Intl. (YYZ) 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, 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
£601
Distance
7718 km
Average flight time
4 hours 21 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 £601 and range up to £910.  

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 December, 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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*Available to Expedia members.