$438 Cheap Flights from London (LGW) to Houston (IAH)

View $438 flight on Sun, May 24, 2026Opens in a new window

Popular airlines from Gatwick Airport (LGW) to George Bush Intercontinental Airport (IAH)

Cheap Flights from London to Houston (LGW-IAH)

Prices were available within the past 7 days and start at $438 for one-way flights and $788 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Tue, Oct 14 - Wed, Oct 22
LGW
London
IAH
Houston
$788 Roundtrip, found 6 days ago
$788
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Tue, Oct 14 from London to Houston, returning Wed, Oct 22, priced at $788 found 6 days ago
JetBlue Airways
Fri, Oct 17 - Wed, Oct 22
LGW
London
IAH
Houston
$825 Roundtrip, just found
$825
Roundtrip
just found
Select JetBlue Airways flight, departing Fri, Oct 17 from London to Houston, returning Wed, Oct 22, priced at $825 just found
JetBlue Airways
Tue, Oct 14 - Wed, Oct 22
LGW
London
IAH
Houston
$831 Roundtrip, found 5 days ago
$831
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Tue, Oct 14 from London to Houston, returning Wed, Oct 22, priced at $831 found 5 days ago
Swiss International Air Lines
Wed, Jan 21 - Wed, Jan 28
LGW
London
IAH
Houston
$840 Roundtrip, found 1 day ago
$840
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, Jan 21 from London to Houston, returning Wed, Jan 28, priced at $840 found 1 day ago
Swiss International Air Lines
Wed, Nov 26 - Wed, Dec 3
LGW
London
IAH
Houston
$844 Roundtrip, found 5 days ago
$844
Roundtrip
found 5 days ago
Select Swiss International Air Lines flight, departing Wed, Nov 26 from London to Houston, returning Wed, Dec 3, priced at $844 found 5 days ago
Swiss International Air Lines
Wed, Jan 21 - Wed, Jan 28
LGW
London
IAH
Houston
$847 Roundtrip, found 1 day ago
$847
Roundtrip
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, Jan 21 from London to Houston, returning Wed, Jan 28, priced at $847 found 1 day ago
JetBlue Airways
Thu, Oct 16 - Wed, Oct 22
LGW
London
IAH
Houston
$853 Roundtrip, found 5 days ago
$853
Roundtrip
found 5 days ago
Select JetBlue Airways flight, departing Thu, Oct 16 from London to Houston, returning Wed, Oct 22, priced at $853 found 5 days ago
British Airways
Fri, Jan 30 - Sun, Feb 15
LGW
London
IAH
Houston
$859 Roundtrip, found 6 days ago
$859
Roundtrip
found 6 days ago
Select British Airways flight, departing Fri, Jan 30 from London to Houston, returning Sun, Feb 15, priced at $859 found 6 days ago
Iberia
Wed, Mar 4 - Tue, Mar 10
LGW
London
IAH
Houston
$874 Roundtrip, found 1 day ago
$874
Roundtrip
found 1 day ago
Select Iberia flight, departing Wed, Mar 4 from London to Houston, returning Tue, Mar 10, priced at $874 found 1 day ago
Turkish Airlines
Wed, Mar 4 - Tue, Mar 10
LGW
London
IAH
Houston
$946 Roundtrip, found 1 day ago
$946
Roundtrip
found 1 day ago
Select Turkish Airlines flight, departing Wed, Mar 4 from London to Houston, returning Tue, Mar 10, priced at $946 found 1 day 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 center is 24 minutes. Flights from $953
IAH
George Bush Intercontinental
Cheapest
Average driving time to city center24 min
Flights from $953

Frequently asked questions

How much does a flight from Gatwick Airport (LGW) to George Bush Intercontinental Airport (IAH) cost?
Secure a cheap one-way flight from $438 or cheap return flight from $788 from Gatwick Airport (LGW) to George Bush Intercontinental Airport (IAH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Gatwick Airport (LGW) to George Bush Intercontinental Airport (IAH)?
Planning your trip for October is a good way to save, as it's the cheapest month for flights between LGW and IAH. You'll usually find the lowest prices during off-peak months.
Which airlines fly direct from Gatwick Airport (LGW) to George Bush Intercontinental Airport (IAH)?
There aren't any direct flights from London (LGW-Gatwick) to George Bush Intercontinental Airport (IAH). However, you'll find other airports offering nonstop flights. Board your plane at Heathrow Airport (LHR) and fly straight to Houston without any detours.
What is the cheapest airline that flies from Gatwick Airport (LGW) to George Bush Intercontinental Airport (IAH)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest LGW to IAH flight.
How many flights per day from Gatwick Airport (LGW) to George Bush Intercontinental Airport (IAH)?
You'll need to book a flight with a layover when traveling from Gatwick Airport (LGW) to George Bush Intercontinental Airport (IAH). Direct flights don't operate daily on this route. However, just filter your search to include one or two stops to discover an option that works for you.
What day of the week has the most flights from LGW to IAH?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can vary depending on a number of factors, such as the airline and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gatwick Airport (LGW) to George Bush Intercontinental Airport (IAH)?
To arrive at George Bush Intercontinental Airport (IAH) on schedule, book a flight that leaves Gatwick Airport (LGW) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Gatwick Airport (LGW) to George Bush Intercontinental Airport (IAH) last-minute?
Last-minute fares from LGW to IAH are generally more expensive. To secure the cheapest rates, start searching for flights as soon as possible. That being said, if your travel plans are flexible, it's possible to score a cheap fare just before your departure.
Is it cheaper to book a LGW to IAH flight and hotel package?
Opting for a LGW to IAH 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 impressive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Gatwick Airport (LGW) to George Bush Intercontinental Airport (IAH)?
Generally, it's possible to cancel or reschedule your LGW to IAH flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Travel information

Origin airport
Gatwick
Destination airport
George Bush Intercontinental
Airlines serving
British Airways, Iberia, JetBlue Airways, Swiss International Air Lines, TAP Portugal, Turkish Airlines
Roundtrip price
$787
Distance
4843 mi

Book with confidence

Book with confidence

London to Houston Flights

The cheapest times to fly from London to Houston

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from London to Houston are during the month of October. You can find some of the cheapest flights from London to Houston with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from London to Houston

Sunday is one of the best days to book for cheap flights from London to Houston: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from London to Houston

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from London to Houston in 2025. You can also book with separate airlines for your outbound and return journeys, from $438 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap London to Houston flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your London to Houston airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

London to Houston Flights

Explore a world of travel with Expedia

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*Available to One Key members.