S$613 Cheap Flights from London to Houston

View S$613 flight on Sun, 19 Apr, 2026Opens 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$613 for one-way flights and S$1,340 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Turkish Airlines
Mon, 21 Sept - Mon, 28 Sept
LHR
London
IAH
Houston
S$1,340 Return, found 3 days ago
S$1,340
Return
found 3 days ago
Select Turkish Airlines flight, departing Mon, 21 Sept from London to Houston, returning Mon, 28 Sept, priced at S$1,340 found 3 days ago
Turkish Airlines
Sun, 19 Apr - Thu, 23 Apr
LHR
London
IAH
Houston
S$1,456 Return, found 1 day ago
S$1,456
Return
found 1 day ago
Select Turkish Airlines flight, departing Sun, 19 Apr from London to Houston, returning Thu, 23 Apr, priced at S$1,456 found 1 day ago
Turkish Airlines
Sat, 18 Apr - Sun, 26 Apr
LHR
London
IAH
Houston
S$1,463 Return, found 23 hours ago
S$1,463
Return
found 23 hours ago
Select Turkish Airlines flight, departing Sat, 18 Apr from London to Houston, returning Sun, 26 Apr, priced at S$1,463 found 23 hours ago
Austrian Airlines
Mon, 21 Sept - Mon, 28 Sept
LHR
London
IAH
Houston
S$1,557 Return, found 3 days ago
S$1,557
Return
found 3 days ago
Select Austrian Airlines flight, departing Mon, 21 Sept from London to Houston, returning Mon, 28 Sept, priced at S$1,557 found 3 days ago
Air Canada
Mon, 21 Sept - Mon, 28 Sept
LHR
London
IAH
Houston
S$1,578 Return, found 3 days ago
S$1,578
Return
found 3 days ago
Select Air Canada flight, departing Mon, 21 Sept from London to Houston, returning Mon, 28 Sept, priced at S$1,578 found 3 days ago
Brussels Airlines
Mon, 21 Sept - Mon, 28 Sept
LHR
London
IAH
Houston
S$1,586 Return, found 3 days ago
S$1,586
Return
found 3 days ago
Select Brussels Airlines flight, departing Mon, 21 Sept from London to Houston, returning Mon, 28 Sept, priced at S$1,586 found 3 days ago
Virgin Atlantic
Mon, 21 Sept - Mon, 28 Sept
LHR
London
IAH
Houston
S$1,593 Return, found 3 days ago
S$1,593
Return
found 3 days ago
Select Virgin Atlantic flight, departing Mon, 21 Sept from London to Houston, returning Mon, 28 Sept, priced at S$1,593 found 3 days ago
Air Canada
Mon, 21 Sept - Mon, 28 Sept
LHR
London
IAH
Houston
S$1,597 Return, found 3 days ago
S$1,597
Return
found 3 days ago
Select Air Canada flight, departing Mon, 21 Sept from London to Houston, returning Mon, 28 Sept, priced at S$1,597 found 3 days ago
Turkish Airlines
Fri, 25 Dec - Sat, 23 Jan
LHR
London
IAH
Houston
S$1,602 Return, found 1 day ago
S$1,602
Return
found 1 day ago
Select Turkish Airlines flight, departing Fri, 25 Dec from London to Houston, returning Sat, 23 Jan, priced at S$1,602 found 1 day ago
WestJet
Mon, 21 Sept - Mon, 28 Sept
LHR
London
IAH
Houston
S$1,671 Return, found 3 days ago
S$1,671
Return
found 3 days ago
Select WestJet flight, departing Mon, 21 Sept from London to Houston, returning Mon, 28 Sept, priced at S$1,671 found 3 days ago

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

September is typically the cheapest month to fly

From S$1,021 - S$1,427 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$1,340. 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
Airlines serving
Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic, WestJet
Return price
S$1,339
Distance
7718 km
Average flight time
4 hours 21 mins

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