Cheap Flights from Siem Reap–Angkor (SAI) to Singapore (SINS)

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Flight deals from Siem Reap–Angkor to Singapore

Looking for a cheap last-minute deal or the best return flight from Siem Reap–Angkor Airport to Singapore? If you want to travel next month, return fares start from £235. Find the lowest prices on one-way and return tickets right here.

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

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 flights are currently cheapest in September.

Direct flights from Siem Reap–Angkor to Singapore

Alternative Siem Reap–Angkor to Singapore routes

Looking for the cheapest, fastest or easiest route from Siem Reap–Angkor to Singapore? You could fly into the following airports instead.

Siem Reap to Singapore: Flight information

The things to know before you go.
Cheapest flight found£78
Cheapest month to flySeptember
Average flight time2 hrs, 26 mins
Most popular airlineAir France
Average flights per week75

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

There are 2 airports in Singapore: Seletar and Singapore Changi.
The best price we found for a return flight from Siem Reap–Angkor to Singapore is £226. 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.
Air France, Singapore Airlines and Air New Zealand fly direct from Siem Reap–Angkor to Singapore.
As of May 2026, there are 75 flights per week flying from Siem Reap–Angkor to Singapore.
The cheapest month to fly from Siem Reap–Angkor to Singapore is usually August.
If you're flying from Siem Reap–Angkor Airport, the cheapest airport near Singapore is Singapore Changi – which is 11.1 miles away from the centre of Singapore. We've found flights into this airport from £226.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Siem Reap–Angkor Airport to Singapore on Monday, 3 August 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 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.
In May, the average temperature is usually around 28°C. May is typically the warmest month in Singapore, when it usually averages around 30°C. You can expect the least rain in February. The coldest month is December, with temperatures averaging 25°C. The rainiest month is December.
Currently, VietJet Air and Singapore Airlines offer the cheapest flight tickets to Singapore.

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

  • Expect to be travelling for 2 hours 15 minutes. That's the average time for a direct flight from Siem Reap-Ankor International Airport to Singapore.

  • Singapore is one hour ahead of Siem Reap, where Siem Reap-Ankor International Airport is located. Singapore runs on the UTC+8 timezone.

  • The busiest route is from Siem Reap-Ankor International Airport (SAI) to Changi International Airport (SIN). You can choose from 12 services every week between these two airports. If you want to get on your way as soon as you can, the earliest flight from SAI to SIN is the 10:30 Singapore Airlines service. If you prefer to travel later, the final departure is at 16:50 with Singapore Airlines.

  • To avoid rushing for your SAI to Singapore flight, leave enough time for things like baggage drop and finding your gate. Turning up two hours ahead of international departures and one hour before domestic flights is the general travel rule.

  • During popular months such as August, it's a good idea to get to the airport earlier than usual. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight when you travel during peak periods in general.

  • Start your journey at SAI and fly straight to Changi International Airport (SIN). That will be your arrival point when searching for Siem Reap-Ankor International Airport to Singapore tickets.

  • Singapore Airlines is a leading airline that offers direct flights from Siem Reap-Ankor International Airport to Singapore.

  • A stopover is the perfect opportunity to take a break from travelling and possibly even visit a new city. When browsing for plane tickets from SAI to Singapore, deselect the 'Direct flights only' box to see where you can stop along the way. Popular options include:

    • Kuala Lumpur International Airport (KUL)

    • Suvarnabhumi Airport (BKK)

    • Phnom Penh International Airport (PNH)

  • To reach SAI from central Siem Reap, it'll take around 1 hour if you're going by car. It's roughly 40 kms (25 miles) from the airport to the city centre.

  • 80.01% of flights leaving Siem Reap-Ankor International Airport touch down at their destination according to schedule. With its dependable on-time performance, disruptions are unlikely when flying out of SAI.

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

  • The best price we've found for a one-way Siem Reap-Ankor International Airport to Singapore flight is £78. The cheapest price for a return flight is £226. Keep in mind fares may change due to demand at the time of booking.

  • Booking in advance is often the key to locking in a cheap flight from SAI to Singapore. Fares tend to rise as seats fill up, so the closer your departure date, the more expensive your ticket may be.

  • Finding cheap tickets from Siem Reap-Ankor International Airport to Singapore is easier if you can be flexible with your travel plans. Use the 'Whole month' function to access the best prices across the month and score an awesome deal.

  • Finding a cheap flight from SAI to Singapore is easy with Price Alerts. All you need to do is set up one of these automatic notifications and we'll let you know as soon as there's a better deal.

  • Save on your flight from Siem Reap-Ankor International Airport to Singapore with the help of our filters. Select your ideal times, airlines and number of stops, then sort the results by 'Cheapest' to see the best deals.

Airports in Singapore

Changi International Airport (SIN)

  • Changi International Airport (SIN) to central Singapore takes about 20 minutes by car. The centre is roughly 21 kms (13 miles) away.

  • If you're taking public transport, expect a journey time of around 1 hour.

  • Think about booking a hotel close to SIN if you're coming in on a late flight from Siem Reap-Ankor International Airport to Singapore. Select one of these accommodation options and make your first night all about rest:

  • Grab a Changi International Airport rental car and explore Singapore and beyond with your own wheels. Avis, Sixt and Green Motion are top outlets to choose from here.

  • For the best deal, reserve your vehicle from Changi International Airport around two weeks ahead of your flight from SAI to Singapore.

Seletar Airport (XSP)

  • Seletar Airport (XSP) is roughly 19 kms (12 miles) from central Singapore. Once you've hopped off your flight from Siem Reap-Ankor International Airport to Singapore, it'll take you around 25 minutes to get to the heart of the city in a cab or ride-share.

  • Travelling by public transport will take around 1 hour 25 minutes.

  • There are some comfortable places to park your luggage (and yourself) near XSP. Settle in and get cosy after your SAI to Singapore flight at one of these well-located options:

Best time to go to Singapore

  • Before you book your flights from Siem Reap-Ankor International Airport to Singapore, consider which time of year is best for you. High season in Singapore offers a bustling atmosphere and plenty to do, while the low season brings better deals on hotels and smaller crowds.

  • When booking your Siem Reap-Ankor International Airport to Singapore plane ticket, think about what kind of weather works for you. May is the warmest month in Singapore, with temperatures ranging from 25ºC to 31ºC.

  • If you like travelling in cooler conditions, look for a cheap ticket from SAI to Singapore in January when temperatures average between 24ºC and 30ºC.

More about Singapore

  • When it comes to searching for somewhere to lay your head, you'll find the top stays in Singapore right here. Browse these hotels as soon as you've locked in your flight from Siem Reap-Ankor International Airport to Singapore:

  • All great holidays should include a little sightseeing. Gardens by the Bay, Marina Bay Sands and Universal Studios Singapore are essential stops on your Singapore itinerary.

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