S$941 Cheap Flights from London to Houston

View S$941 flight on Mon, 8 Dec, 2025Opens in a new window

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

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from London to Houston (LHR-IAH)

Prices were available within the past 7 days and start at S$941 for one-way flights and S$1,250 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

WestJet
Mon, 10 Nov - Mon, 24 Nov
LHR
London
IAH
Houston
S$1,250 Return, found 6 days ago
S$1,250
Return
found 6 days ago
Select WestJet flight, departing Mon, 10 Nov from London to Houston, returning Mon, 24 Nov, priced at S$1,250 found 6 days ago
WestJet
Mon, 10 Nov - Mon, 24 Nov
LHR
London
IAH
Houston
S$1,253 Return, found 6 days ago
S$1,253
Return
found 6 days ago
Select WestJet flight, departing Mon, 10 Nov from London to Houston, returning Mon, 24 Nov, priced at S$1,253 found 6 days ago
WestJet
Mon, 10 Nov - Mon, 24 Nov
LHR
London
IAH
Houston
S$1,259 Return, found 6 days ago
S$1,259
Return
found 6 days ago
Select WestJet flight, departing Mon, 10 Nov from London to Houston, returning Mon, 24 Nov, priced at S$1,259 found 6 days ago
WestJet
Mon, 10 Nov - Mon, 24 Nov
LHR
London
IAH
Houston
S$1,271 Return, found 6 days ago
S$1,271
Return
found 6 days ago
Select WestJet flight, departing Mon, 10 Nov from London to Houston, returning Mon, 24 Nov, priced at S$1,271 found 6 days ago
WestJet
Mon, 10 Nov - Mon, 24 Nov
LHR
London
IAH
Houston
S$1,303 Return, found 6 days ago
S$1,303
Return
found 6 days ago
Select WestJet flight, departing Mon, 10 Nov from London to Houston, returning Mon, 24 Nov, priced at S$1,303 found 6 days ago
Turkish Airlines
Mon, 20 Apr - Wed, 29 Apr
LHR
London
IAH
Houston
S$1,319 Return, found 6 days ago
S$1,319
Return
found 6 days ago
Select Turkish Airlines flight, departing Mon, 20 Apr from London to Houston, returning Wed, 29 Apr, priced at S$1,319 found 6 days ago
WestJet
Mon, 10 Nov - Mon, 24 Nov
LHR
London
IAH
Houston
S$1,355 Return, found 6 days ago
S$1,355
Return
found 6 days ago
Select WestJet flight, departing Mon, 10 Nov from London to Houston, returning Mon, 24 Nov, priced at S$1,355 found 6 days ago
Delta
Mon, 20 Apr - Wed, 29 Apr
LHR
London
IAH
Houston
S$1,375 Return, found 6 days ago
S$1,375
Return
found 6 days ago
Select Delta flight, departing Mon, 20 Apr from London to Houston, returning Wed, 29 Apr, priced at S$1,375 found 6 days ago
United
Mon, 10 Nov - Mon, 24 Nov
LHR
London
IAH
Houston
S$1,391 Return, found 6 days ago
S$1,391
Return
found 6 days ago
Select United flight, departing Mon, 10 Nov from London to Houston, returning Mon, 24 Nov, priced at S$1,391 found 6 days ago
Lufthansa
Thu, 12 Feb - Thu, 19 Feb
LHR
London
IAH
Houston
S$1,401 Return, found 6 hours ago
S$1,401
Return
found 6 hours ago
Select Lufthansa flight, departing Thu, 12 Feb from London to Houston, returning Thu, 19 Feb, priced at S$1,401 found 6 hours ago

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

January is typically the cheapest month to fly

From S$707 - S$1,563 per traveller.

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$1,250. 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.

Travel information

Origin airport
Heathrow
Destination airport
George Bush Intercontinental
Return price
S$1,250
Distance
7718 km
Average flight time
4 hours 18 mins

Book with confidence

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 Virgin Atlantic, American Airlines, Delta, KLM, Finnair, Air France, Iberia, British Airways, WestJet, Turkish Airlines, United, Lufthansa. 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$941 and roundtrip prices from S$1,250*.
 

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.
Perfect flights from London to Houston

Explore a world of travel with Expedia

Houston Airports

Houston

London to George Bush Intercontinental
S$1,249.80
London Airports

London

*Available to Expedia members.