Cheap flights from Singapore to Siem Reap from $123

If you don’t want to visit Siem Reap in September, then you should wait until July to fly from Singapore, when ticket prices are also cheap, with an average price of $272.

The cheapest day to depart from Singapore to Siem Reap is on a Tuesday. Travelers who choose to depart for Siem Reap on a Tuesday will often find tickets for as low as $266. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $473. 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 $338. 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 $370 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 $308 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 $246 on momondo.

There is only 1 cabin class available to choose from on Singapore to Siem Reap 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 12% on your flight if you consider stops on a Singapore to Siem Reap flight.

As of August 2026, prices for Singapore to Siem Reap flights are approximately 28% more expensive when compared to flights at the same time last year.

Historically, on average around 9% 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 85 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. Sunday 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 9% of their flights experiencing any sort of delay.

The number of flights available between Singapore and Siem Reap is 6 per day as of August 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 46 per week as of August 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.