Cheap flights from Singapore to Siem Reap from $147

If you don’t want to visit Siem Reap in May, then you should wait until September to fly from Singapore, when ticket prices are also cheap, with an average price of $262.

The cheapest day to depart from Singapore to Siem Reap is on a Monday. Travelers who choose to depart for Siem Reap on a Monday will often find tickets for as low as $269. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $470. These prices are subject to change though, so be sure to set up a Price Alert for flights to Siem Reap.

At noon is the cheapest time of day to fly from Singapore to Siem Reap when you can find flight prices for as low as $275. Flying to Siem Reap at noon is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to Siem Reap, so prices are often more expensive at around $316 per ticket.

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 $307 when searching weeks out. 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 $242 on momondo.

You could potentially save up to 38% on your flight if you consider stops on a Singapore to Siem Reap flight.

As of May 2026, prices for Singapore to Siem Reap flights are approximately 12% more expensive when compared to flights at the same time last year.

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 in the early afternoon have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

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

The number of flights available between Singapore and Siem Reap is 8 per day as of May 2026. The most frequent departure time is 8:00AM, with 75% of daily flights leaving at noon.

The number of flights available between Singapore and Siem Reap is 61 per week as of May 2026. The most frequent departure day is Wed, with 20% of weekly flights leaving on this day.