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Did you mean flights from Phnom Penh to London Heathrow?
United Kingdom
London Heathrow Airport
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Cambodia
Techo Airport
At present, there are no direct flights from London Heathrow to Phnom Penh.
However, there are several flights from LHR to KTI with a stopover.
Select a stopover airport from the list below to see which airlines operate flights from LHR to KTI, and to see what flight schedules are available.
Phnom Penh is a tropical destination known for its warm climate, with temperatures between 25°C and 30°C (77°F to 86°F) throughout the year. The area is characterized by high humidity and frequent rainfall.
Being located north of the equator, Phnom Penh experiences its dry season from November to April, making this the perfect time to visit. In this period, you can expect mostly dry conditions, while the wet season will see days of rain. Humidity and temperatures are consistently high all year long.

In total there are 15 airlines that cover the full route from London Heathrow LHR to Phnom Penh KTI. These airlines are:
All other flights from London Heathrow to Phnom Penh are operated by a combination of multiple carriers, which are listed below:
In total there are 3 alliances that cover the full route from London Heathrow LHR to Phnom Penh KTI. These alliances are:
You can fly from LHR to KTI in Economy, Premium Economy, Business or First Class on this 1 stop route.
In total there are 4 aircraft types that cover the full route from London Heathrow to Phnom Penh. These aircrafts are:
All other flights from London Heathrow to Phnom Penh are operated by a combination of multiple aircraft types.
The distance between London Heathrow and Phnom Penh is 6,256 miles (10,069 kilometers).
However, because there are no direct flights between LHR and KTI, the distance of the full journey varies between 6,271 and 7,745 miles (or 10,092 and 12,464 kilometers), depending on your stopover airport.
Flights from London Heathrow to Phnom Penh take from 13 hours up to 18 hours and 5 minutes, depending on your stopover airport.
Please note that these times refer to the actual flight times, excluding the stopover time in between connecting flights, as this depends on your stopover airport as well as your date(s) of travel.
There is 1 airport in Phnom Penh: Techo Airport (KTI).
From 13 hours up to 18 hours and 5 minutes, depending on your stopover airport.
Note that this excludes the layover time in between connecting flights.
Because there are no direct flights between LHR and KTI, the total distance of the full journey varies between 6,271 and 7,745 miles (or 10,092 and 12,464 kilometers), depending on your stopover airport.
EVA Air, Thai Airways, Vietnam Airlines, British Airways, Air China, Etihad Airways, Shenzhen Airlines, China Southern, Malaysia Airlines, Cathay Pacific, Singapore Airlines, China Eastern, China Airlines, Asiana Airlines and Korean Air are flying the full route from London Heathrow to Phnom Penh.
Bangkok Airways, Turkish Airlines, Sky Angkor Airlines, Thai Vietjet Air, Cambodia Airways, Air Cambodia, Qatar Airways, Air India, IndiGo Airlines, Virgin Atlantic, Tianjin Airlines, Xiamen Airlines, Spring Airlines, Hainan Airlines, AirAsia Cambodia, Qantas and Emirates operate several connecting flights, but only partly.
Oneworld, SkyTeam and Star Alliance are flying from London Heathrow to Phnom Penh.
You can fly the full route from London Heathrow to Phnom Penh (with 1 stopover) in Economy, Premium Economy, Business Class and First Class.
Aircraft types that fly the full route from London Heathrow to Phnom Penh (with 1 stopover):
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