Cheap flights from Singapore to Siem Reap, Cambodia from S$ 155

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 18-6. Fares are subject to change and may not be available on all flights or dates of travel.
SIN — SAI
23 May — 30 May1
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 23 April 2026.

Mon 26-1014:55
SIN
-
SAI
1 stop28h 10m
VietJet Air
Sat 31-1019:05
SAI
-
SIN
1 stop17h 50m
VietJet Air
Deal found 21-4S$ 289
Tue 21-720:45
SIN
-
SAI
1 stop13h 30m
Multiple Airlines
Thu 30-715:35
SAI
-
SIN
1 stop14h 40m
Multiple Airlines
Deal found 19-4S$ 310
Mon 2-1110:05
SIN
-
SAI
1 stop5h 55m
Multiple Airlines
Tue 17-1115:45
SAI
-
SIN
1 stop5h 10m
Multiple Airlines
Deal found 22-4S$ 312
Wed 12-809:10
SIN
-
SAI
1 stop6h 40m
Multiple Airlines
Wed 26-810:00
SAI
-
SIN
1 stop7h 05m
Multiple Airlines
Deal found 22-4S$ 322
Tue 8-914:55
SIN
-
SAI
1 stop28h 10m
VietJet Air
Fri 11-919:05
SAI
-
SIN
1 stop17h 50m
VietJet Air
Deal found 21-4S$ 326
Fri 15-513:50
SIN
-
SAI
Nonstop2h 20m
Singapore Airlines
Sun 17-510:30
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 21-4S$ 330
Tue 30-608:25
SIN
-
SAI
Nonstop2h 15m
Singapore Airlines
Sun 5-710:30
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 21-4S$ 334
Sat 20-608:25
SIN
-
SAI
Nonstop2h 15m
Singapore Airlines
Tue 14-710:30
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 20-4S$ 335
Fri 5-613:50
SIN
-
SAI
Nonstop2h 20m
Singapore Airlines
Mon 8-610:30
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 21-4S$ 336
Thu 14-508:25
SIN
-
SAI
Nonstop2h 15m
Singapore Airlines
Sun 17-510:30
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 21-4S$ 338
Tue 21-708:25
SIN
-
SAI
Nonstop2h 15m
Singapore Airlines
Thu 30-710:30
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 19-4S$ 339
Tue 9-608:25
SIN
-
SAI
Nonstop2h 15m
Singapore Airlines
Sat 13-610:30
SAI
-
SIN
Nonstop2h 25m
Singapore Airlines
Deal found 19-4S$ 340

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 23 April 2026.

Round-trip from

S$ 310

One-way from

S$ 155

Popular in

March

Cheapest in

May

Average price

S$ 385
21-7-30-7
  • 21-7-30-7
  • 2 total stops
  • 28h 10m total
  • Singapore to Siem Reap
VietJet Air
  • VietJet Air
  • 18-6
  • 1 total stop
  • 28h 10m total
  • Singapore to Siem Reap
Highest demand for flights based on searches. 10% potential increase in price (S$ 55 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (S$ 11 potential savings vs. average return price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customise 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 200,618 searches. Data last updated 23 April 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 return flight

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Fri 22-5

13:50-15:10

Nonstop2h 20m

Siem Reap–Angkor Intl

Mon 25-5

10:30-13:55

Nonstop2h 25m

S$ 330

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Sun 26-7

13:50-15:10

Nonstop2h 20m

Siem Reap–Angkor Intl

Sat 1-8

10:30-13:55

Nonstop2h 25m

S$ 341

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Fri 10-7

13:50-15:10

Nonstop2h 20m

Siem Reap–Angkor Intl

Mon 13-7

10:30-13:55

Nonstop2h 25m

S$ 349

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Mon 10-8

18:25-08:45

1 stop15h 20m

Siem Reap–Angkor Intl

Sat 29-8

22:35-17:25

1 stop17h 50m

S$ 409

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Sun 5-7

13:10-21:55

1 stop9h 45m

Siem Reap–Angkor Intl

Wed 8-7

22:35-12:10

1 stop12h 35m

S$ 414

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Thu 30-7

13:10-17:55

1 stop5h 45m

Siem Reap–Angkor Intl

Sun 2-8

09:35-17:25

1 stop6h 50m

S$ 414
Fastest return journey

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Fri 29-5

08:25-09:40

Nonstop2h 15m

Siem Reap–Angkor Intl

Tue 2-6

10:30-13:55

Nonstop2h 25m

S$ 423

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Fri 10-7

21:00-21:55

1 stop25h 55m

Siem Reap–Angkor Intl

Mon 13-7

18:55-20:00

1 stop24h 05m

S$ 427

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Sun 26-7

20:45-09:15

1 stop13h 30m

Siem Reap–Angkor Intl

Sat 1-8

15:35-11:05

2 stops18h 30m

S$ 484

SingaporeSiem Reap

SIN - SAI

SINSAI

Singapore Changi

Tue 2-6

08:25-09:40

Nonstop2h 15m

Siem Reap–Angkor Intl

Tue 9-6

19:05-13:55

1 stop17h 50m

S$ 489

Flights are sorted by cheapest return flights first.

Deals found on 18-4

Showing 1-10 of 18 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 return 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 return flight from Singapore to Siem Reap. Price data was last updated on 17 April 2026.

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 59 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, May is the cheapest month in which you can book a flight from Singapore to Siem Reap (average of S$ 325). Flying from Singapore to Siem Reap in March is currently the most expensive (average of S$ 471). 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 23 April 2026.

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?

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 23 April 2026.
See what other customers who have flown with Singapore Airlines and Vietnam 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

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Boarding

8.3

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.

Overall

8.2

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Boarding

8.3

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.

Overall

8.2

Comfort

8.0

Crew

8.6

Entertainment

8.0

Food

7.8

Boarding

8.3

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?

    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 8 flights from Changi (SIN) to Siem Reap–Angkor Intl (SAI) per day to choose from. Flights to Siem Reap from Changi are available from 2 different airlines, 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$ 330. 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 are the cheapest airlines flying from Singapore to Siem Reap round-trip?

    According to our current data, Singapore Airlines (S$ 274), and Vietnam Airlines (S$ 322) offers the cheapest pricing from Singapore to Siem Reap. Users have found that Singapore Airlines is 29% 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%), Air India (85%).

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

    The cheapest flight price from Singapore to Siem Reap is S$ 261. On average you can expect to pay S$ 319. The most popular route, (Singapore Changi - Siem Reap–Angkor Intl), can usually be booked for S$ 289.

  • 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, May is the cheapest month in which you can book a flight from Singapore to Siem Reap (average of S$ 325). Flying from Singapore to Siem Reap in March is currently the most expensive (average of S$ 471). 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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Fly from Singapore to Siem Reap on these airlines

Choose from the following airlines for your flight from Singapore to Siem Reap. Flights are based on user searches made on Cheapflights and were last updated on 23 April 2026.

Top 2 airlines flying from Singapore to Siem Reap

Discover the top 2 airlines 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 200,618 searches. Data last updated 23 April 2026.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapestS$ 274AverageS$ 386FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Vietnam AirlinesCheapestS$ 322AverageS$ 333FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers 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 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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