Cheap flights from Singapore to Siem Reap

Changi
SIN
Siem Reap
SAI

Flight deals from Singapore to Siem Reap

Below you can see the best deals on flights Singapore — Siem Reap for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 27 September, from $145.

Top 10 cheap flights from Singapore to Siem Reap

TR
KT
$ 154

Singapore — Siem Reap

13:15—14:50
20 Sep 2026
26 h 35 m
1 stop
AK
KT
$ 157

Singapore — Siem Reap

23:25—14:50
20 Sep 2026
16 h 25 m
1 stop
AK
KT
$ 157

Singapore — Siem Reap

21:20—14:50
20 Sep 2026
18 h 30 m
1 stop
AK
KT
$ 157

Singapore — Siem Reap

20:45—14:50
20 Sep 2026
19 h 5 m
1 stop
AK
KT
$ 157

Singapore — Siem Reap

18:45—14:50
20 Sep 2026
21 h 5 m
1 stop
AK
KT
$ 157

Singapore — Siem Reap

16:10—14:50
20 Sep 2026
23 h 40 m
1 stop
AK
KT
$ 157

Singapore — Siem Reap

14:10—14:50
20 Sep 2026
25 h 40 m
1 stop
AK
KT
$ 157

Singapore — Siem Reap

13:35—14:50
20 Sep 2026
26 h 15 m
1 stop
AK
KT
$ 157

Singapore — Siem Reap

12:10—14:50
20 Sep 2026
27 h 40 m
1 stop
AK
KT
$ 157

Singapore — Siem Reap

10:20—14:50
20 Sep 2026
29 h 30 m
1 stop

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Singapore — Siem Reap flight

Looking for cheap flights from Singapore to Siem Reap? Compare fares from different airlines, check the flight schedule and travel time — and book your Singapore — Siem Reap ticket online at the best price.

The route has direct flights — around 26 flights per week, flights are operated by Singapore Airlines, Lufthansa, Swiss, Air India and 3 more airlines, a nonstop flight takes about 2 h 15 min, the distance between the cities is around 1,328 km.

Planning your trip? You may find our Siem Reap travel guide, how to get from the airport into town and Siem Reap weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $145Min. price
SeptemberCheapest
MayPeak season
YesDirect flights
1,328 kmDistance
2 h 15 minTravel time
7Airlines
26 / wkFlights

Flight schedule from Singapore to Siem Reap

The table shows direct flights from Singapore to Siem Reap on the selected date. The flight takes approximately 2 h 15 min. Regular flights are operated by Singapore Airlines, Lufthansa, Swiss and Air India. Departures from Changi International Airport airports, arrivals at Siem Reap International Airport.

For each flight, the following details are shown: departure time (local), arrival city and airport, flight number and airline, terminal or gate, and status. Click on a flight to open its details and go to ticket search. To view flights on a different day, change the date above the table.

Today
Any time
Last update: 25 Aug 2026

Flight ticket prices by day: Singapore — Siem Reap

Below is a calendar of the lowest flight ticket prices for Singapore — Siem Reap by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $145 in September, and the most expensive are around $232 in May. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Singapore to Siem Reap by month. Tickets are usually cheapest in September (around $118) and priciest in December (about $168) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$161highMay$121lowSep$118low
Feb$155highJun$124lowOct$138medium
Mar$141mediumJul$134mediumNov$151high
Apr$141mediumAug$134mediumDec$168high

Some values are estimated based on seasonality.

When to fly

Weather in Siem Reap: it is warmest in April (up to 35 °C on average) and coolest in December (around 30 °C). The driest month is January.

Tickets are usually cheapest in September and most expensive in May. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Siem Reap

Dry and wet days · Siem Reap

Wind speed and direction · Siem Reap

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How to get the best deal on a Singapore — Siem Reap ticket

  • Book ahead: fares for Singapore — Siem Reap are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Siem Reap is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Singapore — Siem Reap route are operated by 7 airlines; Singapore Airlines runs the most flights (around 77% of all flights). Compare carriers, flight shares and schedules below.

  • Singapore AirlinesSQ
    7x/week
    WebsiteFleet: 16325M pax/year
    • Direct flight SIN → SAI7x/week
      Duration
      2h 17m
      Days
      MTWTFSS
    76.9%Open →
  • LufthansaLH
    1x/week
    WebsiteFleet: 38764.5M pax/year
    • Direct flight SIN → SAI1x/week
    3.8%Open →
  • SwissLX
    1x/week
    WebsiteFleet: 11221.1M pax/year
    • Direct flight SIN → SAI1x/week
    3.8%Open →
  • Air IndiaAI
    1x/week
    WebsiteFleet: 14230M pax/year
    • Direct flight SIN → SAI1x/week
    3.8%Open →
  • United AirlinesUA
    1x/week
    WebsiteFleet: 956165M pax/year
    • Direct flight SIN → SAI1x/week
    3.8%Open →
  • Virgin AustraliaVA
    1x/week
    WebsiteFleet: 9231M pax/year
    • Direct flight SIN → SAI1x/week
    3.8%Open →
  • Air New ZealandNZ
    1x/week
    WebsiteFleet: 10816M pax/year
    • Direct flight SIN → SAI1x/week
    3.8%Open →

Cities and airports on the Singapore — Siem Reap route

Flights Singapore — Siem Reap depart from Changi International Airport and arrive at Siem Reap International Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Singapore

SIN
Singapore
About the cityHow to get thereWeatherAll about the country Singapore
Arrival

Siem Reap

SAI
Cambodia
About the cityHow to get thereWeatherAll about the country Cambodia
Departure airports
Arrival airports

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Frequently asked questions about the Singapore — Siem Reap flight

How long is the flight from Singapore to Siem Reap?

A nonstop Singapore — Siem Reap flight takes about 2 h 15 min — the distance between the cities is around 1,328 km.

How far is it from Singapore to Siem Reap?

The distance from Singapore to Siem Reap is about 1,328 km, which a nonstop flight covers in around 2 h 15 min.

Are there direct flights from Singapore to Siem Reap?

Yes, there are nonstop flights Singapore — Siem Reap — around 26 flights per week.

Which airlines fly from Singapore to Siem Reap?

Airlines operating Singapore — Siem Reap include Singapore Airlines, Lufthansa, Swiss, Air India, United Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Singapore — Siem Reap flights use?

Flights from Singapore depart from Changi International Airport, and arrive at Siem Reap International Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Singapore to Siem Reap?

The price of a Singapore — Siem Reap ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in May. Tickets typically cost between $145 and $232. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Singapore — Siem Reap?

Flights Singapore — Siem Reap are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Singapore to Siem Reap?

To catch a low fare Singapore — Siem Reap, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

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