£291 Cheap British Airways flights from Houston to London (IAH→LHR)

View £291 flight on Sun, 8 Mar 2026Opens in a new window
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British Airways flights from Houston to London (IAH→LHR)

Prices were available within the past 7 days and start at £291 for one-way flights and £387 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Sun, 21 Sept - Fri, 5 Dec
IAH
Houston
LHR
London
£387 Return, found 23 hours ago
£387
Return
found 23 hours ago
Select British Airways flight, departing Sun, 21 Sept from Houston to London, returning Fri, 5 Dec, priced at £387 found 23 hours ago
British Airways
Sun, 21 Sept - Fri, 5 Dec
IAH
Houston
LHR
London
£391 Return, found 23 hours ago
£391
Return
found 23 hours ago
Select British Airways flight, departing Sun, 21 Sept from Houston to London, returning Fri, 5 Dec, priced at £391 found 23 hours ago
British Airways
Tue, 7 Apr - Fri, 17 Apr
IAH
Houston
LHR
London
£401 Return, found 4 days ago
£401
Return
found 4 days ago
Select British Airways flight, departing Tue, 7 Apr from Houston to London, returning Fri, 17 Apr, priced at £401 found 4 days ago
Flight from Houston to London route information
Origin airport
George Bush Intercontinental
Destination airport
Heathrow
Airlines serving
Aer Lingus, Air Canada, Air France, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Delta, Finnair, Iberia, JetBlue Airways, KLM, Lufthansa, Turkish Airlines, United, Virgin Atlantic, WestJet
Popular airline
British Airways
Distance
7718 km
Average flight time
15 hours 17 mins

Frequently asked questions

How much is a British Airways flight from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR)?
You'll find affordable return British Airways flights from £387 from IAH to LHR by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from £291 for a one-way trip.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from IAH to LHR with British Airways?
British Airways flights to London are often cheaper in the quieter months of January and February. Whether you're after a return or one-way ticket, you could score a better deal then.
Does British Airways fly nonstop from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR)?
Yes, you can fly from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR) on any of British Airways's 11 direct weekly flights. Make use of our "Nonstop" and "Airline" filters to find the British Airways flight that'll take you to LHR at your preferred time.
How long does it take to fly from IAH to LHR with British Airways?
The travel time for a nonstop British Airways flight from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR) typically takes 9h.
Which day of the week has the most British Airways flights from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR)?
Wednesday has the most British Airways flights from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR). With 2 daily departures, this is a great day to find something that will suit your schedule.
What airports does British Airways fly into in London?
British Airways flights from George Bush Intercontinental Airport (IAH) to London touch down at Heathrow Airport (LHR). This is the main gateway here.
What kind of luggage can I take on a British Airways flight from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR)?
On a standard economy flight with British Airways from IAH to LHR, passengers can bring 1 checked-in bag up to 23 kg (50 lbs) with dimensions no larger than 89 centimetres x 41 centimetres x 74 centimetres in total. For hand luggage, you're allowed 1 cabin bag weighing up to 23 kg (50 lbs) and measuring less than 56 centimetres x 23 centimetres x 43 centimetres. Size and weight limits can vary based on the airfare type and cabin class you're in. To make sure you don't get caught with additional fees at the terminal, check your British Airways booking or visit the airline's website before you begin packing.
What type of plane does British Airways fly from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR)?
For the George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR) route, British Airways typically operates Boeing 777 and Boeing 787-10 planes. Don't forget that last-minute changes are possible for operational needs, meaning your flight could be on a different aircraft.
Can I change or cancel my British Airways flight from George Bush Intercontinental Airport (IAH) to Heathrow Airport (LHR)?
In most cases, you can modify or cancel your flight, although additional fees may apply if you booked more than 24 hours ago. Prefer to keep your options open? Use our "No cancel fee" and "Changes included" filters to find flights that won't penalize you if you have to alter your plans. To make changes, go to "Trips," select your flight and click on "Manage Booking" for more information.
*Available to Expedia members.