Cheap flights from Singapore to Siem Reap, Cambodia from S$ 173

SIN — SAI
29 Nov — 6 Dec1
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

Wed 25-1114:40 -
Nonstop2h 20m
Wed 2-1210:45 -
Nonstop2h 30m
Deal found 25-10S$ 287
Thu 29-1020:45 -
1 stop24h 45m
Sat 31-1019:05 -
1 stop17h 50m
Deal found 28-10S$ 378
Tue 1-1221:30 -
1 stop12h 25m
Sat 12-1219:05 -
1 stop17h 50m
Deal found 27-10S$ 382
Thu 29-1014:40 -
Nonstop2h 20m
Mon 2-1116:50 -
Nonstop2h 30m
Deal found 28-10S$ 383
Mon 30-1114:40 -
Nonstop2h 20m
Thu 3-1210:45 -
Nonstop2h 30m
Deal found 26-10S$ 387
Sat 14-1120:45 -
1 stop23h 20m
Sun 15-1121:30 -
1 stop20h 55m
Deal found 25-10S$ 389
Wed 25-1118:25 -
1 stop27h 05m
Wed 2-1222:25 -
1 stop12h 40m
Deal found 27-10S$ 391
Tue 1-1221:30 -
1 stop12h 25m
Sat 5-1219:05 -
1 stop17h 50m
Deal found 26-10S$ 397

Find flight deals from Singapore to Siem Reap

Round-trip from

S$ 246

One-way from

S$ 173

Popular in

March

Cheapest in

August

Average price

S$ 423
Singapore Airlines
  • Singapore Airlines
  • 21-2-4-3
  • Nonstop
  • 4h 50m total
  • Singapore to Siem Reap
VietJet Air
  • VietJet Air
  • 22-1-31-12
  • 1 total stop
  • 28h 10m total
  • Singapore to Siem Reap
Highest demand for flights based on searches. 14% potential increase in price (S$ 84 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (S$ 12 potential savings vs. average return price).
Average for round-trip flights in October 2026

Cheapflights Fare Finder

 
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 return flight

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Thu 11-2

07:55-20:25

1 stop13h 30m

Siem Reap–Angkor Intl

Wed 31-12

00:00-00:30

Nonstop0h 00m

S$ 179

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Wed 10-2

08:55-14:50

1 stop6h 55m

Siem Reap–Angkor Intl

Wed 31-12

00:00-00:30

Nonstop0h 00m

S$ 179

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Fri 12-2

14:55-18:05

1 stop28h 10m

Siem Reap–Angkor Intl

Wed 31-12

00:00-00:30

Nonstop0h 00m

S$ 222

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Tue 8-12

21:30-08:55

1 stop12h 25m

Siem Reap–Angkor Intl

Wed 31-12

00:00-00:30

Nonstop0h 00m

S$ 223

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Wed 30-12

13:15-20:30

1 stop8h 15m

Siem Reap–Angkor Intl

Wed 31-12

00:00-00:30

Nonstop0h 00m

S$ 243
Fastest return journey

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Wed 10-2

08:40-09:55

Nonstop2h 15m

Siem Reap–Angkor Intl

Wed 31-12

00:00-00:30

Nonstop0h 00m

S$ 252

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Sat 26-12

15:30-08:35

1 stop18h 05m

Siem Reap–Angkor Intl

Wed 31-12

00:00-00:30

Nonstop0h 00m

S$ 252

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Mon 22-2

14:40-16:00

Nonstop2h 20m

Siem Reap–Angkor Intl

Mon 15-3

10:45-14:15

Nonstop2h 30m

S$ 260

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Sun 22-11

23:25-16:05

2 stops17h 40m

Siem Reap–Angkor Intl

Wed 31-12

00:00-00:30

Nonstop0h 00m

S$ 283

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Sat 5-12

21:30-14:50

1 stop18h 20m

Siem Reap–Angkor Intl

Wed 31-12

00:00-00:30

Nonstop0h 00m

S$ 309

Flights are sorted by cheapest return flights first.

Deals found on 25-10

Showing 1-10 of 24 resultsSorted by cheapest first
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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 return price

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?

The price you pay for your flight from Singapore to Siem Reap may vary depending on when you book. For the best chance of a lower fare, look to book 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, August is the cheapest month in which you can book a flight from Singapore to Siem Reap (average of S$ 333). Flying from Singapore to Siem Reap in March is currently the most expensive (average of S$ 479). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Singapore to Siem Reap as you normally would.

How much does it cost for a return flight from Singapore to Siem Reap?

Airfare is below average for this route at the moment.

Singapore to Siem Reap flights typically cost between S$ 339 and S$ 604 in February.
The cheapest return price found within the last 5 days was S$ 246 on Singapore Airlines (21 Feb–4 Mar).

Reviews of airlines servicing Siem Reap

See what other customers who have flown with Singapore Airlines from Singapore to Siem Reap have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

8.2

Food

7.8

Entertainment

8.1

Comfort

8.0

Crew

8.6

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.

Overall

8.2

Food

7.8

Entertainment

8.1

Comfort

8.0

Crew

8.6

Boarding

8.3

Reviews

1 / 20
4.0
Okay

Anonymous,Sept 2026

SIN - SEA

One would expect that one of a major global airlines has ability to cancel the flight without 50% charge when there are very clear, urgent, and extremely serious health reasons with doctor notes. But one would be wrong.

Related info for your journey

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

    If you wish to fly to Siem Reap from Singapore, then you need to book flights from Singapore Changi to Siem Reap–Angkor Intl. There are 11 flights from Changi (SIN) to Siem Reap–Angkor Intl (SAI) per day to choose from. Flights to Siem Reap from Changi are available from 1 airline, which means you should have some options if you want to compare airfare deals. 2h 15m is how long a nonstop flight from Singapore to Siem Reap–Angkor Intl typically takes.

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

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

    A quick flight from Singapore to Siem Reap can take about 2h 20m. Singapore Airlines provides one of the quickest options available for as low as S$ 260. The distance from Singapore to Siem Reap is about 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 (S$ 271), offers the cheapest pricing from Singapore to Siem Reap. Users have found that Singapore Airlines is 30% cheaper than the other options available to this destination.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Singapore to Siem Reap on time: SWISS (95%), Lufthansa (95%), United Airlines (94%).

  • What are the cheapest flights from Singapore to Siem Reap?

    The cheapest flight price from Singapore to Siem Reap is S$ 294. On average you can expect to pay S$ 349. The most popular route, (Singapore Changi - Siem Reap–Angkor Intl), can usually be booked for S$ 250.

  • 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 holiday 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, August is the cheapest month in which you can book a flight from Singapore to Siem Reap (average of S$ 333). Flying from Singapore to Siem Reap in March is currently the most expensive (average of S$ 479). 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

Fly from Singapore to Siem Reap on these airlines

Top airline flying from Singapore to Siem Reap

AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapestS$ 271AverageS$ 361FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Singapore to Siem Reap. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights simply makes it quick and affordable to book flights from Singapore to Siem Reap by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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! Start tracking prices for Singapore to Siem Reap flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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