Skyscanner

Cheap Flights from Siem Reap–Angkor to Singapore Changi

Compare Siem Reap–Angkor to Singapore Changi flight deals

Find the cheapest month or even day of the year to fly to Singapore Changi

Book the best Singapore Changi fare with no extra fees

Flight deals from Siem Reap–Angkor to Singapore Changi

Looking for a cheap last-minute deal or the best return flight from Siem Reap–Angkor to Singapore Changi? Find the lowest prices on one-way and return tickets right here.
Singapore.Rs25,750 per passenger.Departing Sun, 31 Aug.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Siem Reap–Angkor on Sun, 31 Aug, arriving in Singapore Changi.Price includes taxes and charges.From Rs25,750, select.
Singapore.Rs26,360 per passenger.Departing Wed, 1 Oct.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Siem Reap–Angkor on Wed, 1 Oct, arriving in Singapore Changi.Price includes taxes and charges.From Rs26,360, select.
Singapore.Rs26,476 per passenger.Departing Wed, 10 Sep.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Siem Reap–Angkor on Wed, 10 Sep, arriving in Singapore Changi.Price includes taxes and charges.From Rs26,476, select.
Singapore.Rs34,968 per passenger.Departing Tue, 2 Dec.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Siem Reap–Angkor on Tue, 2 Dec, arriving in Singapore Changi.Price includes taxes and charges.From Rs34,968, select.
Singapore.Rs36,549 per passenger.Departing Thu, 20 Nov.One-way flight with VietJet Air.Outbound indirect flight with VietJet Air, departs from Siem Reap–Angkor on Thu, 20 Nov, arriving in Singapore Changi.Price includes taxes and charges.From Rs36,549, select.
Singapore.Rs36,728 per passenger.Departing Thu, 26 Feb.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Thu, 26 Feb, arriving in Singapore Changi.Price includes taxes and charges.From Rs36,728, select.
Singapore.Rs37,876 per passenger.Departing Wed, 22 Apr.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Wed, 22 Apr, arriving in Singapore Changi.Price includes taxes and charges.From Rs37,876, select.
Singapore.Rs38,131 per passenger.Departing Sun, 1 Mar.One-way flight with Thai AirAsia.Outbound indirect flight with Thai AirAsia, departs from Siem Reap–Angkor on Sun, 1 Mar, arriving in Singapore Changi.Price includes taxes and charges.From Rs38,131, select.

Find the cheapest month to fly from Siem Reap–Angkor to Singapore Changi

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Siem Reap–Angkor to Singapore Changi flights are currently cheapest in August.
Aug
from Rs25,750
Sep
from Rs26,476
Oct
from Rs26,360
Nov
from Rs36,549
Dec
from Rs34,968
Jan
from Rs38,184
Feb
from Rs36,728
Mar
from Rs38,131
Apr
from Rs37,876
May
from Rs46,646
Jun
from Rs53,953
Jul
from Rs38,260

Direct flights from Siem Reap–Angkor to Singapore Changi

Siem Reap–Angkor to Singapore Changi: Alternative routes

Compare routes from Siem Reap–Angkor to Singapore below. You may find an airport to fly into that's cheaper, faster, or easier than Singapore Changi.

Siem Reap to Singapore: Flight information

The things to know before you go.
Cheapest flight foundRs25,750
Cheapest month to flyAugust
Average flight time2 hrs, 26 mins
Most popular airlineSingapore Airlines
Average flights per week81

Finding cheap flights from Siem Reap–Angkor to Singapore Changi: Frequently asked questions

The best price we found for a return flight from Siem Reap–Angkor to Singapore Changi is Rs58,211. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 26 minutes is the average flight time from Siem Reap–Angkor to Singapore Changi.
Singapore Airlines, Air New Zealand and Virgin Australia fly direct from Siem Reap–Angkor to Singapore Changi.
As of August 2025, there are 81 flights per week flying from Siem Reap–Angkor to Singapore Changi.
The cheapest month to fly from Siem Reap–Angkor to Singapore Changi is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Siem Reap–Angkor Airport to Singapore Changi Airport on Thursday, 28 May 2026.
Yes – the average flight time is 2 hours and 26 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Singapore Changi but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Singapore is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, VietJet Air and Singapore Airlines offer the cheapest flight tickets to Singapore Changi.

Flying from Siem Reap-Ankor International Airport (SAI) to Changi International Airport (SIN): what you need to know

  • Around 2 hours 30 minutes is how long you can expect to be travelling on a direct flight from Siem Reap-Ankor International Airport to Changi International Airport.

  • Singapore is one hour ahead of Siem Reap and observes the UTC+8 timezone.

  • Choose from 118 weekly Siem Reap-Ankor International Airport to Changi International Airport flights. The 10:30 departure with Singapore Airlines is the earliest flight available. Singapore Airlines operates the last service of the day at 16:40.

  • Leave enough time to catch your SAI to SIN flight. It's generally best to arrive two hours before international departures and an hour ahead for domestic flights.

  • Flying during a peak month such as April? Public holidays and other popular periods can result in longer lines at security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • Singapore Airlines is your gateway to exploring Singapore (and perhaps some other great parts of Singapore!). Check out the direct flights from Siem Reap-Ankor International Airport to Changi International Airport offered by this popular airline.

  • The airline most travellers fly with on this route is Singapore Airlines.

  • With an impressive 84.43% of services arriving as planned, Singapore Airlines is the most punctual carrier for SAI to SIN flights.

  • We make it a cinch to book a flight with a stopover. To see all your options for tickets from Siem Reap-Ankor International Airport to Changi International Airport, deselect 'Direct flights only.' Then, choose a flight with a stop long enough to visit the city of your choice. Popular stopovers between SAI and SIN include:

    • Kuala Lumpur International Airport

    • Suvarnabhumi Airport

    • Phnom Penh International Airport

How to find the cheapest flights from Siem Reap-Ankor International Airport (SAI) to Changi International Airport (SIN)

  • The cheapest price we've found for a one-way Siem Reap-Ankor International Airport to Changi International Airport flight is Rs25,750. A return fare right now is Rs58,211. Depending on the availability and when you book, these fares can change.

  • Book five months before you travel. After looking at the numbers on our calendar, this is how far you should book ahead to secure cheap tickets from SAI to SIN.

  • The cheapest month for flights from Siem Reap-Ankor International Airport to Changi International Airport is April. Use the 'Whole month' tool to find the lowest airfares if you have flexible travel dates.

  • You don't need to check every day to find out if fares have dropped when you create a Price Alert. We'll update you as soon as there's a new deal on cheap flights from SAI to SIN.

  • Lock in the ideal flight for you with the help of the filters. To see the 'Fastest,' 'Cheapest' or 'Best' flights from Siem Reap-Ankor International Airport to Changi International Airport, use the 'Sort by' tool. You can also filter results by airline, departure and arrival times, and journey duration.

Handy information about Siem Reap-Ankor International Airport (SAI)

  • Siem Reap-Ankor International Airport gets top marks for on-time performance. 80.01% of flights that depart SAI land on time.

  • Siem Reap-Ankor International Airport is around 48 kilometres from central Siem Reap. If you're ride-sharing, catching a cab or driving from the centre, it'll take 1 hour or so to arrive, depending on the traffic.

  • Booking a night at a hotel can take the hassle out of reaching the airport on time. If you're looking for somewhere to stay before your flight from Siem Reap-Ankor International Airport to Changi International Airport, have a look at Chansor Community Homestay 18. It's a quick drive from SAI.

Arriving at Changi International Airport (SIN)

  • If you're getting in on a late Siem Reap-Ankor International Airport to Changi International Airport flight, few things beat the convenience of being close to the terminal. Grab your luggage from the carousel and then be showered and sleeping soon after at one of these hotels near SIN:

  • Get on the fast track to adventure by picking up a Changi International Airport rental car. Grab a set of wheels from Avis, Sixt or Green Motion and experience the lesser-explored corners of Singapore and beyond.

  • To secure the lowest price, reserve your ride from Changi International Airport about two weeks before you travel.

Getting from Changi International Airport (SIN) to central Singapore

  • Changi International Airport to the centre of Singapore has a drive time of about 20 minutes. It's approximately 21 kilometres away.

  • Getting to the centre by public transport will take you roughly 1 hour.

When to fly to Changi International Airport (SIN)

  • The quietest month for a flight from Siem Reap-Ankor International Airport to Changi International Airport is February, while April is the most popular. Pick the best time to visit Singapore based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Before locking in your flight from Siem Reap-Ankor International Airport to Changi International Airport, consider the kind of weather you like. May is the warmest month in Singapore, with temperatures ranging from 25ºC to 31ºC.

  • If you'd rather travel in cooler conditions, search for a cheap ticket from SAI to SIN in January. Temperatures average between 24ºC and 30ºC then.

Plan the rest of your trip from Siem Reap to Singapore

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.