Cheap flights from Singapore to Siem Reap from $177

The cheapest month to fly to Siem Reap from Singapore is in May. Flight prices, which tend to average around $345, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of May, then book flights to Siem Reap from Singapore during August instead. Flights to Siem Reap in August, while not as cheap as those in May, still average around $370.

Flying to Siem Reap from Singapore in the morning is the least expensive time of day to depart. momondo users have found prices as low as $346 when looking at flights departing in the morning. Try not to purchase tickets at midday because they tend to be around $472. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Singapore Changi to Siem Reap–Angkor Intl for the best Singapore Changi - Siem Reap–Angkor Intl flight prices

You are more likely to see cheaper flights to Siem Reap from Singapore when booking weeks ahead of your departure date. In general, you can expect to find flights to Siem Reap for around $426 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Siem Reap from Singapore for as low as $345 on momondo.

There is only 1 cabin class available to choose from on Singapore Changi to Siem Reap–Angkor Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 40% on your flight if you consider stops on a Singapore to Siem Reap flight.

Historically, on average around 10% of flights between Singapore and Siem Reap have experienced a delay on any given week. The average delay length over the past 12 months has been 84 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Singapore Airlines have had the fewest delays on this route over the last 12 months, with about 10% of their flights experiencing any sort of delay.

As of March 2026, 12 flights take off from Singapore and land in Siem Reap each day. The most common flight departure time for this route is 08:00, with 54% of daily flights taking off at midday.

As of March 2026, 84 flights take off from Singapore and land in Siem Reap each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.