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Cheap Flights from Singapore (SIN) to Phnom Penh (PNH)

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Compare Singapore Changi to Phnom Penh flight deals

Find the cheapest month or even day of the year to fly to Phnom Penh

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Flight deals from Singapore Changi to Phnom Penh

Looking for a cheap last-minute deal or the best return flight from Singapore Changi to Phnom Penh? Find the lowest prices on one-way and return tickets right here.
Phnom Penh.$240 per passenger.Departing Tue, 15 Jul, returning Tue, 22 Jul.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Singapore Changi on Tue, 15 Jul, arriving in Phnom Penh.Inbound indirect flight with Malaysia Airlines, departs from Phnom Penh on Tue, 22 Jul, arriving in Singapore Changi.Price includes taxes and charges.From $240, select.
Phnom Penh.$241 per passenger.Departing Fri, 15 Aug, returning Mon, 25 Aug.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Singapore Changi on Fri, 15 Aug, arriving in Phnom Penh.Inbound indirect flight with Malaysia Airlines, departs from Phnom Penh on Mon, 25 Aug, arriving in Singapore Changi.Price includes taxes and charges.From $241, select.
Phnom Penh.$244 per passenger.Departing Sat, 25 Oct, returning Sun, 16 Nov.Return flight with AirAsia and Emirates.Outbound indirect flight with AirAsia, departs from Singapore Changi on Sat, 25 Oct, arriving in Phnom Penh.Inbound indirect flight with Emirates, departs from Phnom Penh on Sun, 16 Nov, arriving in Singapore Changi.Price includes taxes and charges.From $244, select.
Phnom Penh.$248 per passenger.Departing Sat, 20 Dec, returning Sat, 3 Jan.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Singapore Changi on Sat, 20 Dec, arriving in Phnom Penh.Inbound indirect flight with Malaysia Airlines, departs from Phnom Penh on Sat, 3 Jan, arriving in Singapore Changi.Price includes taxes and charges.From $248, select.
Phnom Penh.$249 per passenger.Departing Tue, 29 Jul, returning Mon, 4 Aug.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Singapore Changi on Tue, 29 Jul, arriving in Phnom Penh.Inbound indirect flight with Malaysia Airlines, departs from Phnom Penh on Mon, 4 Aug, arriving in Singapore Changi.Price includes taxes and charges.From $249, select.
Phnom Penh.$249 per passenger.Departing Mon, 8 Sep, returning Fri, 12 Sep.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Singapore Changi on Mon, 8 Sep, arriving in Phnom Penh.Inbound indirect flight with Malaysia Airlines, departs from Phnom Penh on Fri, 12 Sep, arriving in Singapore Changi.Price includes taxes and charges.From $249, select.
Phnom Penh.$250 per passenger.Departing Mon, 6 Oct, returning Mon, 13 Oct.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Singapore Changi on Mon, 6 Oct, arriving in Phnom Penh.Inbound indirect flight with Malaysia Airlines, departs from Phnom Penh on Mon, 13 Oct, arriving in Singapore Changi.Price includes taxes and charges.From $250, select.
Phnom Penh.$250 per passenger.Departing Fri, 14 Nov, returning Sat, 29 Nov.Return flight with Malaysia Airlines.Outbound indirect flight with Malaysia Airlines, departs from Singapore Changi on Fri, 14 Nov, arriving in Phnom Penh.Inbound indirect flight with Malaysia Airlines, departs from Phnom Penh on Sat, 29 Nov, arriving in Singapore Changi.Price includes taxes and charges.From $250, select.

Find the cheapest month to fly from Singapore Changi to Phnom Penh

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Singapore Changi to Phnom Penh flights are currently cheapest in July.
Jun
from $256
Jul
from $240
Aug
from $241
Sep
from $249
Oct
from $250
Nov
from $250
Dec
from $267
Jan
from $268
Feb
from $279
Mar
from $267
Apr
from $267
May
from $267

Direct flights from Singapore Changi to Phnom Penh

Singapore Changi to Phnom Penh: Alternative routes

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

Singapore to Phnom Penh: Flight information

The things to know before you go.
Cheapest flight found$240
Cheapest month to flyJuly
Average flight time2 hrs, 4 mins
Most popular airlineSingapore Airlines
Average flights per week129

Finding cheap flights from Singapore Changi to Phnom Penh: Frequently asked questions

The best price we found for a return flight from Singapore Changi to Phnom Penh is $240. 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 4 minutes is the average flight time from Singapore Changi to Phnom Penh.
Singapore Airlines, Air New Zealand and Virgin Australia fly direct from Singapore Changi to Phnom Penh.
As of June 2025, there are 129 flights per week flying from Singapore Changi to Phnom Penh.
The cheapest month to fly from Singapore Changi to Phnom Penh is usually June 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Singapore Changi Airport to Phnom Penh Airport on Tuesday, 15 July 2025.
Yes – the average flight time is 2 hours and 4 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 Phnom Penh 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 Phnom Penh is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Malaysia Airlines and Singapore Airlines offer the cheapest flight tickets to Phnom Penh.

Travelling from Changi International Airport (SIN) to Phnom Penh International Airport (PNH): what you need to know

  • The average time for a direct flight from Changi International Airport to Phnom Penh International Airport is 2 hours.

  • Phnom Penh's timezone is UTC+7, which makes Phnom Penh one hour behind Singapore.

  • Flights from SIN to PNH start from 07:30 — the earliest with Singapore Airlines. The last service of the day is at 19:25 with Jetstar Asia. Overall, there are 54 weekly Changi International Airport to Phnom Penh International Airport flights.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to board your SIN to PNH flight.

  • Travelling during a peak time such as April? School holidays and other popular seasons can result in longer queues at airport checkpoints. Play it safe and get there up to four hours before international flights and two hours before a domestic departure.

  • With direct flights from Changi International Airport to Phnom Penh International Airport available from numerous airlines, getting to Phnom Penh (and then other parts of Cambodia) is a breeze. Here's who you can fly nonstop with:

  • Jetstar Asia is the top choice for travellers on this route.

  • Emirates is the most punctual carrier operating SIN to PNH flights, with 70.49% of its services landing on time.

  • If you'd like to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Changi International Airport to Phnom Penh International Airport. These are the top stopovers between SIN and PNH:

    • Kuala Lumpur International Airport

    • Tan Son Nhat International Airport

    • Suvarnabhumi Airport

How to find the cheapest flights from Changi International Airport (SIN) to Phnom Penh International Airport (PNH)

  • The cheapest price we've seen for a one-way Changi International Airport to Phnom Penh International Airport flight is $139. A round-trip ticket right now is $240. Depending on the availability and when you book, these fares may change.

  • Get cheap tickets from SIN to PNH by booking seven months ahead. Based on our research, that's the sweet spot for finding a bargain.

  • June is the cheapest month for flights from Changi International Airport to Phnom Penh International Airport. If you'd like to travel during a different time of year, the 'Whole month' tool will give you the lowest prices for each month.

  • Picking up cheap flights from SIN to PNH is a piece of cake with Price Alerts. Simply create one of these automatic alerts and we'll get in touch when there's a better deal.

  • Pick your ideal departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to get the best deals on flights from Changi International Airport to Phnom Penh International Airport.

Handy information about Changi International Airport (SIN)

  • Of all flights leaving Changi International Airport, 68.95% arrive as scheduled at their destination.

  • Central Singapore to Changi International Airport is around 21 kilometres. Depending on traffic, it'll take about 20 minutes to get there if you're ride-sharing, catching a cab or driving.

  • The journey when using public transport usually takes 1 hour.

  • Need a convenient hotel close to SIN? If you're catching an early flight from Changi International Airport to Phnom Penh International Airport, these stays will have you moments from your departure gate:

Arriving at Phnom Penh International Airport (PNH)

  • Reserve a hotel near PNH if you're on a late Changi International Airport to Phnom Penh International Airport flight. Choose one of these options and avoid the hassle of a long transfer:

  • Explore without limits with a Phnom Penh International Airport rental car. Pick up a set of wheels from Europcar, Avis or Budget and discover more of Phnom Penh and beyond.

  • Secure the lowest price by booking your ride from Phnom Penh International Airport around one week in advance of your trip.

Getting from Phnom Penh International Airport (PNH) to central Phnom Penh

  • Phnom Penh International Airport is roughly 11 kilometres from the centre of Phnom Penh. Driving there takes about 30 minutes.

When to fly to Phnom Penh International Airport (PNH)

  • August is the most popular month for flights from Changi International Airport to Phnom Penh International Airport. For smaller crowds, head to Phnom Penh in February.

  • The warmest month in Phnom Penh is March, with the temperature ranging between 23ºC (73ºF) and 38ºC (100ºF). Lock in your flights from Changi International Airport to Phnom Penh International Airport in this month if this is the type of weather you enjoy.

  • Search for cheap tickets from SIN to PNH in January if you like cooler conditions. Temperatures are at their lowest around then, ranging between 20ºC (68ºF) and 33ºC (91ºF) on average.

Explore more of Cambodia

  • You've done Phnom Penh, now it's time to discover other parts of Cambodia. Journey around 193 kilometres south-west to Sihanoukville to tick off its must-visit sights. From Ochheuteal Beach to Wat Leu Temple and Wat Krom Temple, you'll have a packed itinerary ahead.

  • Battambang is another favourite destination in Cambodia and is around 257 kilometres north-west of Phnom Penh. No trip is complete without experiencing The Garden of SamDech Sar Kheng, Spean Thmor Chas and សួននាគសន្តិភាព-Dragon Peace Garden.

Plan the rest of your trip from Singapore to Phnom Penh

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