£462 Cheap Flights from London (LHR) to Houston (IAH)

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 £462 for one-way flights and £544 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
Air Canada
American Airlines
Lufthansa
Brussels Airlines
British Airways
United

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

January is typically the cheapest month to fly

From £409 - £905 per traveller.

Graph displaying average flight prices per month

Flight from London to Houston route 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, Iberia, JetBlue Airways, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic, WestJet
Return price
£543
Distance
7718 km
Average flight time
4 hours 17 mins

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 22 flights per day, 20 airlines cover the route. And American Airlines, Air Canada, Austrian, Aer Lingus, Finnair, Iberia, Brussels Airlines, Swiss, Lufthansa, United Airlines, British Airways fly direct, getting you to George Bush Intercontinental in just 1hours. 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 £544 and range up to £956.  

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 January, 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.  

Frequently asked questions

How much is a flight from Heathrow Airport to George Bush Intercontinental Airport (IAH)?
Round-trip flights between Heathrow Airport (LHR) and IAH start from £544. This is based on fares available within the last 7 days on Expedia for flights departing within the next year — book now so you don't miss out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from London Heathrow to Houston Airport?
Each air carrier has its own terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from Heathrow Airport to George Bush Intercontinental Airport (IAH) that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Heathrow Airport to George Bush Intercontinental Airport (IAH) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from LHR to IAH?
The distance is around 7,800 kilometres. Eye mask? Check. Toiletries? Double check. You'd be wise to pack all the travel comforts for this long-haul Hounslow to Houston flight.
Which airlines fly direct from LHR to George Bush Intercontinental Airport (IAH)?
One airline that operates on the route from Heathrow Airport (LHR) to Houston Airport is United Airlines (UA). It offers 60 flights every month. If you'd like more options, check out the deals with British Airways (BA). This carrier operates 52 monthly flights between these airports.
Are London Heathrow to George Bush Intercontinental Airport (IAH) flight tickets cheaper when they're purchased at the last minute?
Fares from Heathrow Airport to George Bush Intercontinental Airport (IAH) are available up to a year before departure on Expedia. And although you may occasionally score a great last-minute deal, it's not something you should count on. Also, booking your flights in advance means you'll have more choices — and you can avoid landing the dreaded middle seat! We regularly update our fares to bring you the best bargains, so keep checking in for all the latest specials.

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