Your flight from Siem Reap to Singapore should take about 2 hrs 25 mins. We've gone through all ten of the weekly flights to or via Singapore, operated by one airlines, to help you compare flight times and prices.
Or, if you're fairly flexible on dates, try to get a last minute-deal by regularly checking the Netflights website.
Singapore actually has one airports to choose from – but Singapore Changi International Airport (SIN) is the usually the cheapest option. If you need to fly into a specific airport, adjust your search to focus on those flights. The most popular airlines include Singapore Airlines.
But if you can't find one which is right for you, try looking at flights to other cities in Singapore to check out some other options.