|Fastest flight time||31h 55m||The fastest flight from London Heathrow Airport to Siem Reap takes 31h 55m|
|Direct flights||None||There are no direct flights from London Heathrow Airport to Siem Reap. Popular non-direct route for this connection is London Heathrow Airport - Siem Reap Airport.|
|Airports in Siem Reap||1 airport||There is 1 airport near Siem Reap: Siem Reap (REP)|
The cheapest time of year to fly to Siem Reap from London Heathrow Airport is September. The most expensive is December.
Cathay Pacific, China Southern, and Singapore Airlines are the most popular carriers operating from London Heathrow Airport to Siem Reap
45 days before
The cheapest time to buy a flight from London Heathrow Airport to Siem Reap is approximately 45 days to departure
To ease the stress of booking flights, some of our airline partners flying from London Heathrow to Siem Reap are responding to the global pandemic. The following airlines may have a flexible cancellation policy to help accommodate travellers: Thai Airways, China Southern, and Vietnam Airlines.
The straight-line distance from London Heathrow to Siem Reap is 6091.7 mi. Typically, this will take 16h 45m by plane in normal conditions.