£555 Cheap Flights from London (LGW) to Houston (IAH)

Featured airlines

    Plan, book, fly with confidence
    trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
    bex rewards loyalty icon
    Book smarter
    Save up to 25% on select hotels after you book a flight*
    payments icon
    Earn twice
    Earn your airline miles on top of our rewards

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

Prices were available within the past 7 days and start at £555 for one-way flights and £507 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
JetBlue Airways
JetBlue Airways
JetBlue Airways
JetBlue Airways
Virgin Atlantic
Iberia
Flight from London to Houston route information
Origin airport
Gatwick
Destination airport
George Bush Intercontinental
Airlines serving
Air France, American Airlines, British Airways, Delta, Iberia, Icelandair, JetBlue Airways, KLM, Lufthansa, Swiss International Air Lines, TAP Portugal, Turkish Airlines, Virgin Atlantic
Return price
£507
Distance
7750 km

Compare flights from London to Houston easily and book in 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 Gatwick 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 Gatwick (LGW) 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 Gatwick to George Bush Intercontinental start at just £507 and range up to £635.  

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 September, 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 Gatwick 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 Gatwick Airport (LGW) to Houston Airport?
The lowest price advertised for a round-trip flight between London Gatwick and George Bush Intercontinental Airport (IAH) is £507. But you better get a move on. This figure is based on fares offered within the last 7 days on Expedia for flights departing within the next year. 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 Gatwick to Houston Airport?
This varies between air carriers, as each one has its own terms and conditions. Visit the Customer Service Portal, where you’ll find instructions on how to cancel your flight online.
How do I find cheap flights from London Gatwick 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 Gatwick Airport (LGW) to IAH flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from LGW to Houston Airport?
The distance is around 7,800 kilometres. Eye mask? Check. Noise-cancelling headphones? Double check. We recommend you pack all the travel comforts for this long-haul Gatwick to Houston flight.
Which airlines fly direct from LGW to George Bush Intercontinental Airport (IAH)?
If you want to fly straight from Gatwick Airport (LGW) to George Bush Intercontinental Airport (IAH), you’ll have to book a flight with at least one stop. Unfortunately, there are no airlines that fly directly on this route.
Are Gatwick Airport (LGW) to Houston Airport flight tickets cheaper when they're purchased at the last minute?
Late planners can sometimes nab a bargain, with some of the cheapest airfares from LGW to Houston Airport arising a few weeks before the date of departure. If you’d rather book ahead of time, Expedia compares and updates all the best flight deals regularly — as early as 12 months in advance in some cases. It does depend on the carrier though, as not every airline advertises prices that far in advance.
Houston Airports
London Airports
*Available to Expedia members.