S$765 Cheap Flights from London to Houston

View S$765 flight on Wed, 5 Nov, 2025Opens in a new window

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

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Cheap Flights from London to Houston (LHR-IAH)

Prices were available within the past 7 days and start at S$765 for one-way flights and S$1,183 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Swiss International Air Lines
Tue, 7 Oct - Sat, 11 Oct
LHR
London
IAH
Houston
S$1,183 Return, found 1 day ago
S$1,183
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, 7 Oct from London to Houston, returning Sat, 11 Oct, priced at S$1,183 found 1 day ago
Swiss International Air Lines
Fri, 7 Nov - Sat, 15 Nov
LHR
London
IAH
Houston
S$1,184 Return, found 4 days ago
S$1,184
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Fri, 7 Nov from London to Houston, returning Sat, 15 Nov, priced at S$1,184 found 4 days ago
Swiss International Air Lines
Wed, 5 Nov - Sat, 8 Nov
LHR
London
IAH
Houston
S$1,184 Return, found 1 day ago
S$1,184
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Wed, 5 Nov from London to Houston, returning Sat, 8 Nov, priced at S$1,184 found 1 day ago
Lufthansa
Fri, 7 Nov - Sat, 15 Nov
LHR
London
IAH
Houston
S$1,190 Return, found 4 days ago
S$1,190
Return
found 4 days ago
Select Lufthansa flight, departing Fri, 7 Nov from London to Houston, returning Sat, 15 Nov, priced at S$1,190 found 4 days ago
Swiss International Air Lines
Tue, 7 Oct - Sat, 11 Oct
LHR
London
IAH
Houston
S$1,191 Return, found 1 day ago
S$1,191
Return
found 1 day ago
Select Swiss International Air Lines flight, departing Tue, 7 Oct from London to Houston, returning Sat, 11 Oct, priced at S$1,191 found 1 day ago
Swiss International Air Lines
Fri, 7 Nov - Sat, 15 Nov
LHR
London
IAH
Houston
S$1,192 Return, found 4 days ago
S$1,192
Return
found 4 days ago
Select Swiss International Air Lines flight, departing Fri, 7 Nov from London to Houston, returning Sat, 15 Nov, priced at S$1,192 found 4 days ago
Air Canada
Wed, 5 Nov - Sat, 8 Nov
LHR
London
IAH
Houston
S$1,201 Return, found 1 day ago
S$1,201
Return
found 1 day ago
Select Air Canada flight, departing Wed, 5 Nov from London to Houston, returning Sat, 8 Nov, priced at S$1,201 found 1 day ago
Delta
Wed, 5 Nov - Sat, 8 Nov
LHR
London
IAH
Houston
S$1,206 Return, found 1 day ago
S$1,206
Return
found 1 day ago
Select Delta flight, departing Wed, 5 Nov from London to Houston, returning Sat, 8 Nov, priced at S$1,206 found 1 day ago
American Airlines
Tue, 7 Oct - Sat, 11 Oct
LHR
London
IAH
Houston
S$1,220 Return, found 1 day ago
S$1,220
Return
found 1 day ago
Select American Airlines flight, departing Tue, 7 Oct from London to Houston, returning Sat, 11 Oct, priced at S$1,220 found 1 day ago
United
Tue, 7 Oct - Sat, 11 Oct
LHR
London
IAH
Houston
S$1,220 Return, found 1 day ago
S$1,220
Return
found 1 day ago
Select United flight, departing Tue, 7 Oct from London to Houston, returning Sat, 11 Oct, priced at S$1,220 found 1 day ago

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

January is typically the cheapest month to fly

From S$697 - S$1,544 per traveller.

Graph displaying average flight prices per month

London to Houston route information
Origin airport
Heathrow
Destination airport
George Bush Intercontinental
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Delta, Finnair, Iberia, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic, WestJet
Return price
S$1,182
Distance
7718 km
Average flight time
4 hours 17 mins

Perfect flights from London to Houston

Your Journey from London to Houston

Start your unforgettable journey with Expedia. Our broad selection of flights from London to Houston caters to every travel need. Whether you're yearning for a romantic escape, a solo adventure, or a cultural immersion, we've got you covered.
 

Choosing Your Ideal Flight

With Expedia, you have access to a wide range of airlines, including WestJet, Swiss International Air Lines, Lufthansa, Air Canada, Delta, American Airlines, United, Virgin Atlantic. Our selection of flights from Heathrow to George Bush Intercontinental caters to every traveler's requirements, ensuring your journey aligns with your schedule. With options from 20 airlines, you're bound to find the perfect flight.
 

Maximizing Value with London to Houston Flights

Experience the joy of finding cheap flights from Heathrow to George Bush Intercontinental that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from S$765 and roundtrip prices from S$1,183*.
 

Pre-Flight Essentials

Ensure a smooth journey from London to Houston with Expedia. From information about check-in times and in-flight amenities to guidance on baggage policies, we provide all the essentials to prepare you for your flight.
 

Experience the Vibrant Houston

Picture yourself stepping off the plane in Houston and immersing yourself in the unique atmosphere of Houston. From local markets to cultural festivals, each city offers its distinct charm. Make the most of your trip by exploring local attractions and indulging in the local cuisine. With Expedia, explore all this and more, tailored to your budget.
 

Added Convenience on Your London to Houston Flight

Traveling with Expedia is more than just a flight. We offer details about in-flight amenities, baggage policies, and more to ensure a smooth and hassle-free journey. Choose from our variety of airlines and embark on a memorable journey from London to Houston.
 

Beyond the Flight – Exploring Houston

With Expedia, your adventure extends beyond the flight. Explore Houston at your own pace by renting a car or booking a hotel. Discover hidden gems off the beaten path and create unforgettable memories.
 

Book Your Flight from London to Houston with Confidence

Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support make your travel experience seamless and stress-free. Embark on your journey from London to Houston with confidence. Book your travel arrangements with Expedia today.
 
*Note: Prices may vary based on availability and are subject to change.

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 S$1,183. 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.

Explore a world of travel with Expedia

Houston Airports

Houston

London to George Bush Intercontinental
S$1,182.10
London Airports

London

*Available to Expedia members.