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

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Compare Phnom Penh to Singapore Changi flight deals

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

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Flight deals from Phnom Penh to Singapore Changi

Looking for a cheap last-minute deal or the best return flight from Phnom Penh to Singapore Changi? Find the lowest prices on one-way and return tickets right here.

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

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Phnom Penh to Singapore Changi flights are currently cheapest in May.

Direct flights from Phnom Penh to Singapore Changi

Phnom Penh to Singapore Changi: Alternative routes

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

Phnom Penh to Singapore: Flight information

The things to know before you go.
Cheapest flight found$270
Cheapest month to flyMay
Average flight time2 hrs, 5 mins
Most popular airlineSingapore Airlines
Average flights per week122

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

The best price we found for a return flight from Phnom Penh to Singapore Changi is $270. 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 5 minutes is the average flight time from Phnom Penh to Singapore Changi.
Singapore Airlines, Air New Zealand and Virgin Australia fly direct from Phnom Penh to Singapore Changi.
As of May 2025, there are 122 flights per week flying from Phnom Penh to Singapore Changi.
The cheapest month to fly from Phnom Penh to Singapore Changi is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Phnom Penh Airport to Singapore Changi Airport on Tuesday, 20 May 2025.
Yes – the average flight time is 2 hours and 5 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, Emirates and Singapore Airlines offer the cheapest flight tickets to Singapore Changi.

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

  • Book a direct flight from Phnom Penh International Airport to Changi International Airport and you'll be travelling for an average of 2 hours.

  • Singapore's timezone is UTC+8, which makes Singapore one hour ahead of Phnom Penh.

  • Take your pick of 54 weekly Phnom Penh International Airport to Changi International Airport flights. The 07:55 departure with Air Bishkek is the earliest available. Jetstar Asia operates the latest service of the day at 21:30.

  • Leave enough time to catch your PNH to SIN flight. Generally, it's best to arrive at least two hours before international departures and an hour ahead for domestic flights.

  • Be prepared for bigger queues during popular months like August. Arriving up to four hours ahead of an international flight and two hours for domestic departures will give you ample time for security and boarding.

  • With direct flights from Phnom Penh International Airport to Changi International Airport available through a range of airlines, getting to Singapore (and then other parts of Singapore) is a snap. You can travel nonstop with these carriers:

  • The airline most travellers fly with on this route is Jetstar Asia.

  • With a dependable 95.08% of services arriving as planned, Emirates is the most punctual carrier offering PNH to SIN flights.

  • If you want to split up your journey, just uncheck 'Direct flights only' when searching for your ticket from Phnom Penh International Airport to Changi International Airport. Here are the top stopovers between PNH and SIN:

    • Tan Son Nhat International Airport

    • Kuala Lumpur International Airport

    • Suvarnabhumi Airport

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

  • Right now, $122 is the cheapest price we've seen for a one-way Phnom Penh International Airport to Changi International Airport flight. The best price for a return ticket is $270. Bear in mind that fares can change due to demand at the time of booking.

  • To secure cheap tickets from PNH to SIN, reserve your journey six months ahead of your planned departure.

  • Plan your trip for May. That's the cheapest month for flights from Phnom Penh International Airport to Changi International Airport. If you're flexible with your dates, try out the 'Whole month' tool to find the cheapest price across each month.

  • Picking up cheap flights from PNH to SIN 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.

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

Handy information about Phnom Penh International Airport (PNH)

  • Of all flights departing from Phnom Penh International Airport, 74.4% land on time at their destination.

  • Phnom Penh International Airport is around 11 kilometres from central Phnom Penh. If you're driving, ride-sharing or catching a cab from the centre, it'll take you 30 minutes or so to get there, depending on the traffic.

  • Get your trip off to a hassle-free start by staying near PNH. Whether you have an early flight from Phnom Penh International Airport to Changi International Airport or just don't like being rushed, these hotels are the answer:

Arriving at Changi International Airport (SIN)

  • If you have a late Phnom Penh International Airport to Changi International Airport flight, nothing beats the convenience of being near the terminal. Pick up your bags from the carousel and then be showered and sleeping shortly after at one of these accommodation options near SIN:

  • Travel at your own pace with a Changi International Airport rental car. Pick up your wheels from Avis, Sixt or Green Motion and discover more of Singapore and beyond.

  • Reserving your ride from Changi International Airport about two weeks ahead can help you get the best possible rate.

Getting from Changi International Airport (SIN) to central Singapore

  • Changi International Airport is approximately 21 kilometres from central Singapore. Driving there takes about 20 minutes.

  • It'll take around 1 hour if you're travelling on public transport.

When to fly to Changi International Airport (SIN)

  • It's time to pick your travel dates for your flight from Phnom Penh International Airport to Changi International Airport. April is the busiest month to visit Singapore. If you prefer a more low-key vibe, go in February.

  • Before locking in your flight from Phnom Penh International Airport to Changi International Airport, consider the type of weather you enjoy. May is the warmest month in Singapore, with the temperature ranging from 25ºC (77ºF) to 31ºC (88ºF).

  • For cooler conditions, look for a cheap ticket from PNH to SIN in January. Temperatures average between 24ºC (75ºF) and 30ºC (86ºF) then.

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