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Cheap flights from Singapore to Siem Reap, Cambodia from C$ 177

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/8. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SAI
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Singapore to Siem Reap

Enter your travel dates to find the best prices.

Cheapest flights from Singapore to Siem Reap
Explore the most affordable flight options available from Singapore to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 March 2026.

Fri 10/71:50 p.m.
SIN
-
SAI
Nonstop2h 20m
Singapore Airlines
Mon 13/710:30 a.m.
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 16/3C$ 327
Fri 15/51:50 p.m.
SIN
-
SAI
Nonstop2h 20m
Singapore Airlines
Mon 18/510:30 a.m.
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 14/3C$ 331
Thu 30/78:25 a.m.
SIN
-
SAI
Nonstop2h 15m
Singapore Airlines
Sun 2/810:30 a.m.
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 14/3C$ 340
Fri 2/108:25 a.m.
SIN
-
SAI
Nonstop2h 15m
Singapore Airlines
Sun 4/1010:30 a.m.
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 14/3C$ 348
Sat 5/122:40 p.m.
SIN
-
SAI
Nonstop2h 15m
Singapore Airlines
Tue 8/1210:45 a.m.
SAI
-
SIN
Nonstop2h 30m
Singapore Airlines
Deal found 14/3C$ 349
Wed 11/1110:05 a.m.
SIN
-
SAI
1 stop5h 55m
Multiple Airlines
Wed 18/1110:10 a.m.
SAI
-
SIN
1 stop6h 50m
Multiple Airlines
Deal found 15/3C$ 351
Fri 15/51:50 p.m.
SIN
-
SAI
Nonstop2h 20m
Singapore Airlines
Thu 21/510:30 a.m.
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 17/3C$ 368
Sat 9/58:25 a.m.
SIN
-
SAI
Nonstop2h 15m
Singapore Airlines
Sat 16/510:30 a.m.
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 15/3C$ 390
Fri 10/71:10 p.m.
SIN
-
SAI
1 stop6h 10m
Vietnam Airlines
Mon 13/76:05 p.m.
SAI
-
SIN
1 stop16h 50m
Vietnam Airlines
Deal found 16/3C$ 424

Find flight deals from Singapore to Siem Reap

Discover tips and strategies to find the most affordable flight options for your journey from Singapore (SIN) to Siem Reap (SAI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 17 March 2026.

Round-trip from

C$ 327

One-way from

C$ 177

Popular in

February

Cheapest in

May

Average price

C$ 444
Singapore Airlines
  • Singapore Airlines
  • 10/7-13/7
  • Nonstop
  • 4h 45m total
  • Singapore to Siem Reap
Search Deals
30/8
  • 30/8
  • 1 total stop
  • 6h 40m total
  • Singapore to Siem Reap
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Singapore to Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 March 2026.
Use the filters below to find and compare flights from Singapore to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Fri 10/7

1:50 p.m.-3:10 p.m.

Nonstop2h 20m

Siem Reap–Angkor Intl

Mon 13/7

10:30 a.m.-1:55 p.m.

Nonstop2h 25m

C$ 327
Quickest round-trip

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Thu 30/7

8:25 a.m.-9:40 a.m.

Nonstop2h 15m

Siem Reap–Angkor Intl

Sun 2/8

10:30 a.m.-1:55 p.m.

Nonstop2h 25m

C$ 349

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Sat 16/5

8:25 a.m.-9:40 a.m.

Nonstop2h 15m

Siem Reap–Angkor Intl

Wed 20/5

10:30 a.m.-1:55 p.m.

Nonstop2h 25m

C$ 368

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Fri 10/7

1:10 p.m.-6:20 p.m.

1 stop6h 10m

Siem Reap–Angkor Intl

Mon 13/7

6:05 p.m.-11:55 a.m.

1 stop16h 50m

C$ 424

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Sun 26/4

1:05 p.m.-5:10 p.m.

1 stop29h 05m

Siem Reap–Angkor Intl

Sat 2/5

7:10 p.m.-12:10 p.m.

1 stop16h 00m

C$ 427

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Sat 9/5

1:10 p.m.-6:20 p.m.

1 stop6h 10m

Siem Reap–Angkor Intl

Sat 16/5

6:05 p.m.-11:55 a.m.

1 stop16h 50m

C$ 427

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Tue 7/4

1:10 p.m.-6:20 p.m.

1 stop6h 10m

Siem Reap–Angkor Intl

Fri 10/4

6:05 p.m.-11:55 a.m.

1 stop16h 50m

C$ 429

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Sun 26/4

1:05 p.m.-4:25 p.m.

2 stops28h 20m

Siem Reap–Angkor Intl

Fri 1/5

7:10 p.m.-12:10 p.m.

1 stop16h 00m

C$ 441

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Mon 6/4

3:50 p.m.-5:10 p.m.

1 stop26h 20m

Siem Reap–Angkor Intl

Fri 10/4

5:20 p.m.-2:50 p.m.

2 stops20h 30m

C$ 441

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Mon 20/4

9:00 p.m.-6:20 p.m.

1 stop22h 20m

Siem Reap–Angkor Intl

Sat 2/5

5:20 p.m.-11:55 a.m.

2 stops17h 35m

C$ 441

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/3

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 13 March 2026.

To ensure you get the cheapest price possible for a flight from Singapore to Siem Reap, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Singapore to Siem Reap?

Currently, May is the cheapest month in which you can book a flight from Singapore to Siem Reap (average of C$ 244). Flying from Singapore to Siem Reap in December is currently the most expensive (average of C$ 330). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 17 March 2026.

When flying from Singapore to Siem Reap, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Siem Reap

Get insights into the airlines that provide service to Siem Reap. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Siem Reap. Reviews last updated 17 March 2026.
Read through reviews of airlines operating flights from Singapore to Siem Reap, such as Singapore Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very good
1,480 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.3

Crew

8.6

Overall

8.2

Entertainment

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Singapore Airlines
8.2
Very good
1,480 reviews
Singapore Airlines
8.2
Very good
1,480 reviews
Check prices

Food

7.8

Comfort

8.0

Boarding

8.3

Crew

8.6

Overall

8.2

Entertainment

8.1

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

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 airports do I use to fly from Singapore to Siem Reap?

    You will need to book a flight from Singapore Changi to Siem Reap–Angkor Intl if you want to fly from Singapore to Siem Reap. At least 1 airline has flights from Changi (SIN) to Siem Reap–Angkor Intl (SAI) on a regular basis. There are 12 flights to Siem Reap from the Singapore airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SIN to SAI to be around 12h 45m.

  • How popular is this Singapore to Siem Reap flight route?

    Flights from Singapore Changi to Siem Reap–Angkor Intl have been viewed 3 times in the past calendar month.

  • How long is the flight from Singapore to Siem Reap?

    Departing from Singapore to Siem Reap will take you 2h 20m. Singapore and Siem Reap are separated by a distance of 1336 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    According to our current data, Singapore Airlines (C$ 311), offers the cheapest pricing from Singapore to Siem Reap. This flight start at 24% lower than the current average price 3 months from now.

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

    No one likes to see their flight delayed. When booking a flight from Singapore to Siem Reap consider choosing SWISS (93%), Lufthansa (93%) or Air India (80%) as they are the most reliable in getting you off to your destination on time.

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

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

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

    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.

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

    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.

  • What is the cheapest month to book a flight from Singapore to Siem Reap?

    Currently, May is the cheapest month in which you can book a flight from Singapore to Siem Reap (average of C$ 244). Flying from Singapore to Siem Reap in December is currently the most expensive (average of C$ 330). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Singapore to Siem Reap

Discover the top airline that operate flights from Singapore to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 17 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapestC$ 311AverageC$ 384FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Singapore to Siem Reap?

Cheapflights helps you search for flights from Singapore to Siem Reap via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Singapore to Siem Reap?

Cheapflights helps you find that perfect flight to Siem Reap from Singapore by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Singapore to Siem Reap with no change fees?

Certainly. Search results for flights to Siem Reap from Singapore shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Singapore to Siem Reap become cheaper?

Yes, Cheapflights offers price alerts on Singapore to Siem Reap flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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