Cheap Flights from Houston (IAH) to London (LHR) from HK$2,445~

View HK$2,445 flight on Tue, 17 Feb 2026Opens in a new window

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

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Find Cheap Flights from Houston (IAH) to London (LHR)

Prices were available within the past 7 days and start at HK$2,445 for one-way flights and HK$5,033 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Mon, 28 Jul - Wed, 20 Aug
IAH
Houston
LHR
London
HK$5,033 Return, found 3 days ago
HK$5,033
Return
found 3 days ago
Select Delta flight, departing Mon, 28 Jul from Houston to London, returning Wed, 20 Aug, priced at HK$5,033 found 3 days ago
Virgin Atlantic
Mon, 28 Jul - Wed, 20 Aug
IAH
Houston
LHR
London
HK$5,033 Return, found 3 days ago
HK$5,033
Return
found 3 days ago
Select Virgin Atlantic flight, departing Mon, 28 Jul from Houston to London, returning Wed, 20 Aug, priced at HK$5,033 found 3 days ago
Delta
Sun, 3 Aug - Tue, 19 Aug
IAH
Houston
LHR
London
HK$5,039 Return, found 1 day ago
HK$5,039
Return
found 1 day ago
Select Delta flight, departing Sun, 3 Aug from Houston to London, returning Tue, 19 Aug, priced at HK$5,039 found 1 day ago
Delta
Sun, 3 Aug - Tue, 19 Aug
IAH
Houston
LHR
London
HK$5,118 Return, found 1 day ago
HK$5,118
Return
found 1 day ago
Select Delta flight, departing Sun, 3 Aug from Houston to London, returning Tue, 19 Aug, priced at HK$5,118 found 1 day ago
United
Sun, 3 Aug - Tue, 19 Aug
IAH
Houston
LHR
London
HK$5,153 Return, found 1 day ago
HK$5,153
Return
found 1 day ago
Select United flight, departing Sun, 3 Aug from Houston to London, returning Tue, 19 Aug, priced at HK$5,153 found 1 day ago
United
Sun, 3 Aug - Tue, 19 Aug
IAH
Houston
LHR
London
HK$5,197 Return, found 1 day ago
HK$5,197
Return
found 1 day ago
Select United flight, departing Sun, 3 Aug from Houston to London, returning Tue, 19 Aug, priced at HK$5,197 found 1 day ago
United
Sun, 3 Aug - Tue, 19 Aug
IAH
Houston
LHR
London
HK$5,205 Return, found 1 day ago
HK$5,205
Return
found 1 day ago
Select United flight, departing Sun, 3 Aug from Houston to London, returning Tue, 19 Aug, priced at HK$5,205 found 1 day ago
Virgin Atlantic
Mon, 28 Jul - Wed, 20 Aug
IAH
Houston
LHR
London
HK$5,234 Return, found 3 days ago
HK$5,234
Return
found 3 days ago
Select Virgin Atlantic flight, departing Mon, 28 Jul from Houston to London, returning Wed, 20 Aug, priced at HK$5,234 found 3 days ago
Air Canada
Sun, 3 Aug - Tue, 19 Aug
IAH
Houston
LHR
London
HK$5,249 Return, found 1 day ago
HK$5,249
Return
found 1 day ago
Select Air Canada flight, departing Sun, 3 Aug from Houston to London, returning Tue, 19 Aug, priced at HK$5,249 found 1 day ago
British Airways
Mon, 28 Jul - Wed, 20 Aug
IAH
Houston
LHR
London
HK$5,269 Return, found 3 days ago
HK$5,269
Return
found 3 days ago
Select British Airways flight, departing Mon, 28 Jul from Houston to London, returning Wed, 20 Aug, priced at HK$5,269 found 3 days ago

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

August is typically the cheapest month to fly

From HK$4,102 - HK$9,607 per traveller.

Graph displaying average flight prices per month

Houston to London route information
Origin airport
George Bush Intercontinental
Destination airport
Heathrow
Return price
HK$5,033
Distance
7718 km
Average flight time
15 hours 17 mins

Flights from Houston to London

Book cheap flights from Houston (IAH) to London (LHR) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Houston (IAH) to London (LHR) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Houston (IAH) to London (LHR) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your London flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in London and things to do in London for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to London more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to London is HK$2,445 now!

 

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 HK$5,033. 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 vacation, 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 kilometers, 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 traveler favorite.
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.

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