Cheap flights from London to Siem Reap, Cambodia from £372

Located just 24.7 mi from the city center, Siem Reap–Angkor Intl is the airport most travelers will use when flying to Siem Reap from London. Booking flights from London to Siem Reap–Angkor Intl (SAI) should be relatively easy as there are 0 daily inbound flights from London from 5 different airlines.

A quick flight from London to Siem Reap can take about 38h 05m. Etihad Airways provides one of the quickest options available for as low as £597. London and Siem Reap are separated by a distance of 6106 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

Our cheapest airline available from London to Siem Reap is Austrian Airlines. Our recent data shows that you can find tickets from as low as £538 on this airline. Additional options worth looking into are Lufthansa and Vietnam Airlines, starting at £597 and £618 round-trip. Austrian Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

The cheapest airline one-way is Vietnam Airlines, with whom users have recently found tickets for as low as £451. However, be on the lookout for offers from Singapore Airlines and Thai Airways, as they are both options that can get you from London to Siem Reap for a low price.

When deciding which route to take from London to Siem Reap consider London Heathrow - Siem Reap–Angkor Intl, London Gatwick - Siem Reap–Angkor Intl or London Stansted - Siem Reap–Angkor Intl as they are the most popular.

Yes. In addition to deals on London to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Siem Reap.

Yes. Cheapflights offers flight deals from London to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, May is the cheapest month in which you can book a flight from London to Siem Reap (average of £527). Flying from London to Siem Reap in July is currently the most expensive (average of £909). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.