Cheap flights from Singapore to Siem Reap from $172

The cheapest month to fly to Siem Reap from Singapore is in September. Flight prices, which tend to average around $380, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of September, then book flights to Siem Reap from Singapore during January instead. Flights to Siem Reap in January, while not as cheap as those in September, still average around $382.

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 $452 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 $358 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 26% on your flight if you consider stops on a Singapore to Siem Reap flight.

As of June 2026, prices for Singapore to Siem Reap flights are approximately 18% 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 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.

Monday is statistically the day of the week that experiences the fewest 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 fewest delays on this route over the last 12 months, with about 9% of their flights experiencing any sort of delay.

As of June 2026, 8 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 75% of daily flights taking off at midday.

As of June 2026, 61 flights take off from Singapore and land in Siem Reap each week. The most common flight departure day for this route is Wed, with 20% of weekly flights taking off on this day.