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Cheap flights from Singapore to Siem Reap, Cambodia from £114

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 25/10£168
Thu 29/1014:40 -
Nonstop2h 20m
Mon 2/1116:50 -
Nonstop2h 30m
Deal found 28/10£225
Mon 30/1114:40 -
Nonstop2h 20m
Thu 3/1210:45 -
Nonstop2h 30m
Deal found 26/10£226
Wed 25/1116:20 -
1 stop28h 20m
Wed 2/1218:50 -
1 stop23h 35m
Deal found 25/10£231
Thu 29/1014:40 -
Nonstop2h 20m
Sat 31/1016:50 -
Nonstop2h 30m
Deal found 28/10£240
Sat 14/1120:45 -
1 stop26h 00m
Thu 19/1118:40 -
1 stop23h 45m
Deal found 27/10£245
Mon 30/1114:40 -
Nonstop2h 20m
Fri 4/1216:50 -
Nonstop2h 30m
Deal found 26/10£253
Mon 14/1218:25 -
1 stop24h 15m
Wed 16/1221:30 -
1 stop18h 45m
Deal found 27/10£254

Find flight deals from Singapore to Siem Reap

Round-trip from

£146

One-way from

£114

Popular in

March

Cheapest in

August

Average price

£247
Singapore Airlines
  • Singapore Airlines
  • 16/1-22/1
  • Nonstop
  • 4h 50m total
  • Singapore to Siem Reap
Search Deals
27/3-31/12
  • 27/3-31/12
  • 1 total stop
  • 6h 25m total
  • Singapore to Siem Reap
Search Deals
Highest demand for flights based on searches. 14% potential increase in price (£29 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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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

Fri 12/2

14:55-18:05

1 stop28h 10m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:30

Nonstop0h 00m

£130

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

£142
Fastest return journey

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

£152

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Wed 25/11

14:40-16:00

Nonstop2h 20m

Siem Reap–Angkor Intl

Wed 2/12

10:45-14:15

Nonstop2h 30m

£168

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Fri 8/1

18:25-16:10

3 stops22h 45m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:30

Nonstop0h 00m

£178

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Thu 1/4

18:25-16:25

3 stops23h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:30

Nonstop0h 00m

£181

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Thu 1/4

13:00-18:05

2 stops30h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:30

Nonstop0h 00m

£182

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Tue 16/2

18:25-16:10

3 stops22h 45m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:30

Nonstop0h 00m

£194

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Sun 3/1

13:05-18:05

2 stops30h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:30

Nonstop0h 00m

£197

SingaporeSiem Reap

SIN Singapore Changi - SAI Siem Reap–Angkor Intl

SINSAI

Singapore Changi

Fri 4/12

19:45-19:40

2 stops24h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-00:30

Nonstop0h 00m

£198

Flights are sorted by cheapest return flights first.

Deals found on 25/10

Showing 1-10 of 23 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 best time to book flights from Singapore to Siem Reap is 58 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.

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 £195). Flying from Singapore to Siem Reap in March is currently the most expensive (average of £280). 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?

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.

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 £199 and £354 in January.
The cheapest return price found within the last 5 days was £146 on Singapore Airlines (16 Jan–22 Jan).

Reviews of airlines servicing Siem Reap

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
1,631 reviews
Check prices

Comfort

8.0

Overall

8.2

Food

7.8

Crew

8.6

Boarding

8.3

Entertainment

8.1

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.
Singapore Airlines
8.2
Very Good
1,631 reviews
Singapore Airlines
8.2
Very Good
1,631 reviews
Check prices

Comfort

8.0

Overall

8.2

Food

7.8

Crew

8.6

Boarding

8.3

Entertainment

8.1

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?

    Booking a flight from Singapore Changi (SIN) to Siem Reap–Angkor Intl (SAI) is your only option if you wish to fly from Singapore to Siem Reap. On a typical day, there are 11 flights from Changi to Siem Reap–Angkor Intl, all of which are around 12h 45m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Changi to Siem Reap.

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

    The Singapore Changi to Siem Reap–Angkor Intl flight path was viewed by 14 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    For as low as £152, Singapore Airlines can have you in Siem Reap from Singapore in 2h 20m. Airlines will cover a distance of 830 mi. This flight may include one or multiple stops.

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

    Flying on Singapore Airlines is currently your cheapest option to Siem Reap, with prices starting at £181. Singapore Airlines is currently priced 20% below the average price you’ll pay for this route.

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

    Before booking your flight to Siem Reap from Singapore, check out the most reliable airlines to get you to your destination on time: SWISS (95%), Lufthansa (95%), United Airlines( 94%).

  • 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 £195). Flying from Singapore to Siem Reap in March is currently the most expensive (average of £280). 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

Top airline flying from Singapore to Siem Reap

AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest£181Average£206FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights

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When you search for this flight from Singapore to Siem Reap, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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?

Need flexible booking options for your flight to Siem Reap from Singapore? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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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