Question 1

How far ahead should I book a flight from Singapore to Siem Reap?

Accepted Answer

The best time to book flights from Singapore to Siem Reap is 37 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

Question 2

What is the cheapest day to fly from Singapore to Siem Reap?

Accepted Answer

Travelers seeking maximum savings on their Singapore to Siem Reap flight should consider departing on Saturday mornings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Question 3

Weekly flight availability from Singapore to Siem Reap

Accepted Answer

The most flights from SIN to SAI are scheduled on a Monday (7 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (6 on average).

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 10.2 inches per month. September is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 in.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 75.2 F).

Question 6

What are the most reliable airlines from Singapore to Siem Reap?

Accepted Answer

The top 3 most reliable airlines when flying from Singapore to Siem Reap are Air France (100%), SWISS (93%) and Lufthansa (93%).

Question 7

What is the cheapest day to fly round-trip from Singapore to Siem Reap?

Accepted Answer

Leaving on a Wednesday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 49% on the overall cost on flights from Singapore to Siem Reap.

Question 8

How far in advance should I book a flight from Singapore to Siem Reap?

Accepted Answer

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 38 days in advance, which can save you up to 53% on flights from Singapore to Siem Reap compared to booking the week you need them. Waiting 38 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $258. For sooner than that we have options available in the next 3 days from $271.

Question 9

What is the cheapest month to fly from Singapore to Siem Reap?

Accepted Answer

Due to multiple factors, expect to potentially pay more when booking in October. For low rates, February can be a great choice for travel to Siem Reap. Flights to Siem Reap from Singapore in February are about $271 on average during February, but can be found for as low as $155.

Question 10

What is the cheapest time of day to fly from SIN to SAI?

Accepted Answer

It’s typically best to fly out from Singapore to Siem Reap in the afternoon. Doing so could potentially save you 17% on the flight price compared to flying in the morning, which is usually more expensive.

Question 11

Can I find deals for flights from Singapore to Siem Reap that include hotel bookings?

Accepted Answer

Yes. In addition to deals on Singapore to Siem Reap flights, Cheapflights offers vacation packages that include both flights and hotel.

Question 12

How can I find direct flights from Singapore to Siem Reap?

Accepted Answer

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Singapore to Siem Reap.

Question 13

Can I find deals for business class flights from Singapore to Siem Reap?

Accepted Answer

Yes. Cheapflights offers flight deals from Singapore to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Popular in	October
Cheapest in	February
Average price	$304

Airline	Cheapest	Average	Flexibility	On-time
AirAsia Cambodia	Cheapest$158	Average$199	FlexibilityNo cancel fee	On-timeN/A
Singapore Airlines	Cheapest$199	Average$279	FlexibilityNo cancel fee	On-time81%

Cheap flights from Singapore (SIN) to Siem Reap, Cambodia (SAI)

Find cheap flights from Singapore to Siem Reap with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Singapore Changi to Siem Reap–Angkor Intl are usually found in February or May, booked 37 days in advance, depart on a Thursday or Sunday and return on a Friday

Cheap flight deals from Singapore to Siem Reap

Popular in

Cheapest in

Average price

Best time to book a flight from Singapore to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Singapore with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Singapore to Siem Reap

How far ahead should I book a flight from Singapore to Siem Reap?

Use this chart to determine the optimal time to book a round-trip flight from Singapore to Siem Reap. Price data was last updated on July 25, 2025.

What is the cheapest time of day to fly from SIN to SAI?

Find hourly flight availability from Singapore to Siem Reap. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 29, 2025.

Weekly flight availability from Singapore to Siem Reap

Explore weekly flight availability from Singapore to Siem Reap. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated July 29, 2025.

Related info for your journey

Find useful and relevant information for your journey from Singapore to Siem Reap. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the most reliable airlines from Singapore to Siem Reap?

Can I find deals for flights from Singapore to Siem Reap that include hotel bookings?

How can I find direct flights from Singapore to Siem Reap?

Can I find deals for business class flights from Singapore to Siem Reap?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Siem Reap by adding a car rental and/or hotel reservation to your travel itinerary.

Top 2 airlines flying from Singapore to Siem Reap

100% Free

Book with Flexibility

Travel Smart