RM1,629 Cheap Flights from Houston (IAH) to London (LHR)

View RM1,629 flight on Sun, 18 Jan 2026Opens in a new window

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

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Cheap Flights from Houston to London (IAH-LHR)

Prices were available within the past 7 days and start at RM1,629 for one-way flights and RM2,644 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, 18 Jan - Tue, 3 Feb
IAH
Houston
LHR
London
RM2,644 Return, found 4 days ago
RM2,644
Return
found 4 days ago
Select United flight, departing Sun, 18 Jan from Houston to London, returning Tue, 3 Feb, priced at RM2,644 found 4 days ago
Delta
Sun, 18 Jan - Tue, 3 Feb
IAH
Houston
LHR
London
RM2,648 Return, found 4 days ago
RM2,648
Return
found 4 days ago
Select Delta flight, departing Sun, 18 Jan from Houston to London, returning Tue, 3 Feb, priced at RM2,648 found 4 days ago
Delta
Sun, 18 Jan - Tue, 3 Feb
IAH
Houston
LHR
London
RM2,667 Return, found 4 days ago
RM2,667
Return
found 4 days ago
Select Delta flight, departing Sun, 18 Jan from Houston to London, returning Tue, 3 Feb, priced at RM2,667 found 4 days ago
Delta
Sun, 18 Jan - Tue, 3 Feb
IAH
Houston
LHR
London
RM2,671 Return, found 4 days ago
RM2,671
Return
found 4 days ago
Select Delta flight, departing Sun, 18 Jan from Houston to London, returning Tue, 3 Feb, priced at RM2,671 found 4 days ago
United
Sun, 18 Jan - Tue, 3 Feb
IAH
Houston
LHR
London
RM2,678 Return, found 4 days ago
RM2,678
Return
found 4 days ago
Select United flight, departing Sun, 18 Jan from Houston to London, returning Tue, 3 Feb, priced at RM2,678 found 4 days ago
Delta
Sun, 18 Jan - Tue, 3 Feb
IAH
Houston
LHR
London
RM2,724 Return, found 4 days ago
RM2,724
Return
found 4 days ago
Select Delta flight, departing Sun, 18 Jan from Houston to London, returning Tue, 3 Feb, priced at RM2,724 found 4 days ago
British Airways
Sun, 18 Jan - Tue, 3 Feb
IAH
Houston
LHR
London
RM2,757 Return, found 4 days ago
RM2,757
Return
found 4 days ago
Select British Airways flight, departing Sun, 18 Jan from Houston to London, returning Tue, 3 Feb, priced at RM2,757 found 4 days ago
Delta
Sun, 18 Jan - Tue, 3 Feb
IAH
Houston
LHR
London
RM2,762 Return, found 4 days ago
RM2,762
Return
found 4 days ago
Select Delta flight, departing Sun, 18 Jan from Houston to London, returning Tue, 3 Feb, priced at RM2,762 found 4 days ago
KLM
Sun, 18 Jan - Tue, 3 Feb
IAH
Houston
LHR
London
RM2,804 Return, found 4 days ago
RM2,804
Return
found 4 days ago
Select KLM flight, departing Sun, 18 Jan from Houston to London, returning Tue, 3 Feb, priced at RM2,804 found 4 days ago
Lufthansa
Sun, 18 Jan - Tue, 3 Feb
IAH
Houston
LHR
London
RM2,813 Return, found 4 days ago
RM2,813
Return
found 4 days ago
Select Lufthansa flight, departing Sun, 18 Jan from Houston to London, returning Tue, 3 Feb, priced at RM2,813 found 4 days ago

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

October is typically the cheapest month to fly

From RM 2,094 - RM 3,023 per traveller.
Houston to London route information
Origin airport
George Bush Intercontinental
Destination airport
Heathrow
Return price
RM2,644
Distance
7718 km
Average flight time
15 hours 5 mins

Perfect flights from Houston to London

Your Journey from Houston to London

Start your unforgettable journey with Expedia. Our broad selection of flights from Houston to London 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 United, Delta, British Airways, Austrian Airlines, Air France, Lufthansa, KLM, American Airlines, Iberia, WestJet. Our selection of flights from George Bush Intercontinental to Heathrow 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 Houston to London Flights

Experience the joy of finding cheap flights from George Bush Intercontinental to Heathrow that fit your budget. Keep an eye out for our special deals and discounts, and check our flexible one-way fares from RM1,629 and roundtrip prices from RM2,644*.
 

Pre-Flight Essentials

Ensure a smooth journey from Houston to London 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 London

Picture yourself stepping off the plane in London 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 Houston to London 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 Houston to London.
 

Beyond the Flight – Exploring London

With Expedia, your adventure extends beyond the flight. Explore London 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 Houston to London 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 Houston to London 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 George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR)?
Based on fares quoted within the last 7 days on Expedia for flights departing within the next year, round-trip journeys between IAH and LHR start from RM2,644. Book ASAP to secure the best price for your trip. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from George Bush Intercontinental Airport (IAH) to London Heathrow?
When it comes to cancellation fees, every airline has a different set of terms and conditions. If you decide to cancel your holiday, head to our Customer Service Portal.
How do I find cheap flights from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR) 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 IAH to London Heathrow flights, you'll see a "no change fees" filter for you to select.
How far is the flight from IAH to Heathrow Airport (LHR)?
Houston to Hounslow is around 7,800 kilometres, so get ready to spend a while in the air. Make sure you pack all the essentials, from your toothbrush to your hairbrush. Throw in a few snacks to nibble on throughout your flight too.
Which airlines fly direct from Houston Airport to London Heathrow?
There are a few airlines that fly from George Bush Intercontinental Airport (IAH) to LHR. United Airlines (UA) is a great choice, offering 60 flights every month. Operating 52 flights per month on this route, British Airways (BA) is another traveller favourite.
Are George Bush Intercontinental Airport (IAH) to LHR flight tickets cheaper when they're purchased at the last minute?
Flight prices change all the time, so there are no guarantees. While last-minute flight deals between Houston Airport and LHR are of course possible, it also makes sense to keep an eye on prices well before you fly. In fact, some air carriers release their prices up to 12 months prior to the departure date. Expedia is continuously updating the best bargains around, so keep checking back and be ready to lock in your seat when the price dips.

Explore a world of travel with Expedia

*Available to Expedia members.