Flights from Houston Airport (IAH) to Heathrow Airport Airport (LHR)

We've found the cheapest flights to London

Returns from £434.25

One-way from £273.17

Below we have compiled essential flight information for anyone who is flying from George Bush Intercontinental to London Heathrow, including airliners who offer flights and their flight times. In total, there are 11 airliners to choose from including Swiss, Lufthansa, Brussels Airlines, Austrian Airlines, Air Canada, Iberia, Finnair, American Airlines, Aer Lingus, British Airways and United Airlines. The official airport code for George Bush Intercontinental is IAH and for London Heathrow it is LHR.

Depending on the day of the week and the time of day you book, flight prices can vary dramatically. If you know the dates you wish to travel then book you flights as soon as you can. The earlier you book your lights the cheaper they will be. You can get saving of up to 50% of you book 2 or 3 months in advance! Flight to London Heathrow will get more expensive the nearer you get the departure date, so it’s advisable to book in advance if it is possible.

On arriving at London Heathrow please note the time difference, the time zone at London Heathrow is 0.0 GMT compared to 6.0 GMT at George Bush Intercontinental.

To see all airliners that offer flights between George Bush Intercontinental and London Heathrow please see the table below.

Flights Chart
AirlinerMoTuWeThFrSaSuFirst FlightLast FlightFlights
United Airlines002222216:2019:05VIEW FLIGHTS
British Airways001222212:5021:50VIEW FLIGHTS
Iberia001212015:5021:50VIEW FLIGHTS
Finnair001212015:5021:50VIEW FLIGHTS
American Airlines001212015:5021:50VIEW FLIGHTS
Aer Lingus001212015:5021:50VIEW FLIGHTS
Swiss001111016:2016:20VIEW FLIGHTS
Lufthansa001111016:2016:20VIEW FLIGHTS
Brussels Airlines001111016:2016:20VIEW FLIGHTS
Austrian Airlines001111016:2016:20VIEW FLIGHTS
Air Canada001111016:2016:20VIEW FLIGHTS

The most direct flights are offered by United Airlines but they only offer 1 flight per week. This flight departs 16:20 and goes by the flight number UA5 and UA880

Would you like to book your flight? Bookings can be made direct with United Airlines on their website united.com.

The flight time for the selected route vary based on the month you will travel, but below we has summarised the most common times they will fly. We recommend you only take these times as guidance and check with appropriate airline for the exact times for the date you depart.

Flights Time In WeekDays
DayFlight TimesFlights
Wednesday
15:50
AirlineFlight  No
FinnairAY5494
Aer LingusEI8894
American AirlinesAA6951
British AirwaysBA194
IberiaIB3576
16:20
AirlineFlight  No
United AirlinesUA880
Austrian AirlinesOS7814
Air CanadaAC3858
LufthansaLH7622
Brussels AirlinesSN9082
SwissLX3065
19:05
AirlineFlight  No
United AirlinesUA5
VIEW FLIGHTS
Thursday
15:50
AirlineFlight  No
FinnairAY5494
Aer LingusEI8894
American AirlinesAA6951
British AirwaysBA194
IberiaIB3576
16:20
AirlineFlight  No
United AirlinesUA880
Austrian AirlinesOS7814
Air CanadaAC3858
LufthansaLH7622
Brussels AirlinesSN9082
SwissLX3065
19:05
AirlineFlight  No
United AirlinesUA5
21:50
AirlineFlight  No
FinnairAY5496
Aer LingusEI8896
American AirlinesAA6953
British AirwaysBA196
IberiaIB3578
VIEW FLIGHTS
Friday
12:50
AirlineFlight  No
British AirwaysBA196
15:50
AirlineFlight  No
FinnairAY5494
Aer LingusEI8894
American AirlinesAA6951
British AirwaysBA194
IberiaIB3576
16:20
AirlineFlight  No
United AirlinesUA880
Austrian AirlinesOS7814
Air CanadaAC3858
LufthansaLH7622
Brussels AirlinesSN9082
SwissLX3065
19:05
AirlineFlight  No
United AirlinesUA5
VIEW FLIGHTS
Saturday
15:50
AirlineFlight  No
FinnairAY5494
Aer LingusEI8894
American AirlinesAA6951
British AirwaysBA194
IberiaIB3576
16:20
AirlineFlight  No
United AirlinesUA880
Austrian AirlinesOS7814
Air CanadaAC3858
LufthansaLH7622
Brussels AirlinesSN9082
SwissLX3065
19:05
AirlineFlight  No
United AirlinesUA5
21:50
AirlineFlight  No
FinnairAY5496
Aer LingusEI8896
American AirlinesAA6953
British AirwaysBA196
IberiaIB3578
VIEW FLIGHTS
Sunday
15:50
AirlineFlight  No
British AirwaysBA194
16:20
AirlineFlight  No
United AirlinesUA880
19:05
AirlineFlight  No
United AirlinesUA5
21:50
AirlineFlight  No
British AirwaysBA196
VIEW FLIGHTS

If the airlines stated don’t offer flights that suite your travel times, you could look at alternative options. Below we have summarised flights from alternative departures airports and flights that are not direct.

Alternative Direct Routes
RouteStopsDistanceFlying Time
Austin to Heathrow010 Hours 5 Minutes

If you are planning to hire a car from London Heathrow airport then don’t wait until you arrive. The prices are typically 20% to 30% higher and the availability of vehicles are much lower. You can check out the solutions we have for car hire on our car hire pages which can save you £££’s.

Planning a Holiday or Business Trip?

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Flight Price FAQ - Houston (IAH) to London (LHR)

DIRECT British Airways
What is the cheapest direct flight one way from Houston IAH to London LHR?
The cheapest direct flight one way from Houston IAH to London LHR is £273.17 ($368 €312.74)
£273.17
$368 | €312.74
Check Latest Price
DIRECT Lufthansa
What is the cheapest direct return flight from Houston IAH to London LHR?
The cheapest direct return flight from Houston IAH to London LHR is £434.25 ($585 €497.15)
£434.25
$585 | €497.15
Check Latest Price
1+ STOP(S)
What is the cheapest flight one way from Houston IAH to London LHR?
The cheapest flight one way from Houston IAH to London LHR is £166.28 ($224 €190.36)
£166.28
$224 | €190.36
Check Latest Price
1+ STOP(S)
What is the cheapest return flight from Houston IAH to London LHR?
The cheapest return flight from Houston IAH to London LHR is £380.80 ($513 €435.96)
£380.80
$513 | €435.96
Check Latest Price
Important Note: Prices shown are taken from searches performed for flights operating during the current month. Please use the "Latest Price" buttons to get the most up to date airfares.

Compare Flight Prices from IAH to LHR

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Flight Info FAQ - Houston (IAH) to London (LHR)

Who flies from Houston to London?
The following airlines fly from Houston (IAH) to London (LHR): Aer Lingus, Air Canada, American Airlines, Austrian Airlines, British Airways, Brussels Airlines, Finnair, Iberia, Lufthansa, Swiss, United Airlines.
How far is the flight from Houston to London?
The flight from Houston to London is 7,763KM or 4,824 miles.
How long does the flight from Houston to London to take?
The flight from Houston to London takes 9 Hours 56 Minutes.

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