S$753 Cheap Flights from London to Houston

View S$753 flight on Tue, 7 Oct, 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$753 for one-way flights and S$1,124 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Mon, 8 Sep - Mon, 22 Sep
LHR
London
IAH
Houston
S$1,124 Return, found 1 day ago
S$1,124
Return
found 1 day ago
Select American Airlines flight, departing Mon, 8 Sep from London to Houston, returning Mon, 22 Sep, priced at S$1,124 found 1 day ago
American Airlines
Mon, 8 Sep - Mon, 22 Sep
LHR
London
IAH
Houston
S$1,124 Return, found 1 day ago
S$1,124
Return
found 1 day ago
Select American Airlines flight, departing Mon, 8 Sep from London to Houston, returning Mon, 22 Sep, priced at S$1,124 found 1 day ago
American Airlines
Mon, 8 Sep - Mon, 22 Sep
LHR
London
IAH
Houston
S$1,131 Return, found 1 day ago
S$1,131
Return
found 1 day ago
Select American Airlines flight, departing Mon, 8 Sep from London to Houston, returning Mon, 22 Sep, priced at S$1,131 found 1 day ago
Finnair
Mon, 8 Sep - Mon, 22 Sep
LHR
London
IAH
Houston
S$1,147 Return, found 1 day ago
S$1,147
Return
found 1 day ago
Select Finnair flight, departing Mon, 8 Sep from London to Houston, returning Mon, 22 Sep, priced at S$1,147 found 1 day ago
American Airlines
Mon, 8 Sep - Mon, 22 Sep
LHR
London
IAH
Houston
S$1,154 Return, found 1 day ago
S$1,154
Return
found 1 day ago
Select American Airlines flight, departing Mon, 8 Sep from London to Houston, returning Mon, 22 Sep, priced at S$1,154 found 1 day ago
British Airways
Mon, 8 Sep - Mon, 22 Sep
LHR
London
IAH
Houston
S$1,169 Return, found 1 day ago
S$1,169
Return
found 1 day ago
Select British Airways flight, departing Mon, 8 Sep from London to Houston, returning Mon, 22 Sep, priced at S$1,169 found 1 day ago
Finnair
Mon, 8 Sep - Mon, 22 Sep
LHR
London
IAH
Houston
S$1,170 Return, found 1 day ago
S$1,170
Return
found 1 day ago
Select Finnair flight, departing Mon, 8 Sep from London to Houston, returning Mon, 22 Sep, priced at S$1,170 found 1 day ago
Swiss International Air Lines
Tue, 7 Oct - Sun, 19 Oct
LHR
London
IAH
Houston
S$1,180 Return, found 3 days ago
S$1,180
Return
found 3 days ago
Select Swiss International Air Lines flight, departing Tue, 7 Oct from London to Houston, returning Sun, 19 Oct, priced at S$1,180 found 3 days ago
Virgin Atlantic
Mon, 8 Sep - Mon, 22 Sep
LHR
London
IAH
Houston
S$1,185 Return, found 1 day ago
S$1,185
Return
found 1 day ago
Select Virgin Atlantic flight, departing Mon, 8 Sep from London to Houston, returning Mon, 22 Sep, priced at S$1,185 found 1 day ago
Air Canada
Mon, 1 Sep - Sun, 14 Sep
LHR
London
IAH
Houston
S$1,187 Return, found 4 days ago
S$1,187
Return
found 4 days ago
Select Air Canada flight, departing Mon, 1 Sep from London to Houston, returning Sun, 14 Sep, priced at S$1,187 found 4 days ago

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

January is typically the cheapest month to fly

From S$705 - S$1,532 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$1,124
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, American Airlines, Finnair, British Airways, Swiss International Air Lines, Virgin Atlantic, Air Canada, Lufthansa, Turkish Airlines, Delta. 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$753 and roundtrip prices from S$1,124*.
 

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 . 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$1,124. 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$1,123.50
London Airports

London

*Available to Expedia members.