£105 Cheap Flights from Singapore (SIN) to Phnom Penh (PNH)

View £105 flight on Sun, 7 Sept 2025Opens in a new window

Popular airlines from Changi Airport (SIN) to Phnom Penh Intl. Airport (PNH)

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

Prices were available within the past 7 days and start at £105 for one-way flights and £502 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Shenzhen Airlines
Thu, 11 Sept - Tue, 23 Sept
SIN
Singapore
PNH
Phnom Penh
£502 Return, found 2 days ago
£502
Return
found 2 days ago
Select Shenzhen Airlines flight, departing Thu, 11 Sept from Singapore to Phnom Penh, returning Tue, 23 Sept, priced at £502 found 2 days ago

Find the cheapest month to fly from Singapore (SIN) to Phnom Penh (PNH)

October is typically the cheapest month to fly

From £119 - £160 per traveller.
Flight from Singapore to Phnom Penh route information
Origin airport
Changi
Destination airport
Phnom Penh Intl.
Return price
£139
Distance
1131 km
Average flight time
1 hour 54 mins

Compare flights from Singapore to Phnom Penh easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Singapore to Phnom Penh. Operating between them flights per day, 16 airlines cover the route. And fly direct, getting you to Phnom Penh Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Changi to Phnom Penh Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Changi (SIN) to Phnom Penh Intl. (PNH)

The easiest way to view the best deals on flights from Singapore to Phnom Penh today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Changi to Phnom Penh Intl. start at just £502 and range up to £1,583.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Singapore and Phnom Penh
  • booking your flight during September, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Singapore to Phnom Penh flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Changi to Phnom Penh Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Frequently asked questions

How much is a flight from SIN to Phnom Penh Intl. Airport (PNH)?
The lowest price advertised for a round-trip flight between SIN and PNH is £502. But you better get a move on. This price is taken from fares quoted within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from SIN to Phnom Penh Intl. Airport (PNH)?
Each air carrier has its own set of terms and conditions. If you do decide to cancel, follow the instructions on our Customer Service Portal.
How do I find cheap flights from SIN to PNH that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Changi Airport (SIN) to Phnom Penh Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Changi Airport (SIN) to Phnom Penh Intl. Airport (PNH)?
The flight distance from Singapore Airport (SIN) to Phnom Penh Airport (PNH) is only 1,150 kilometres. You'll be walking down the air bridge and grabbing your suitcase from the carousel in no time.
Which airlines fly direct from Singapore Airport to PNH?
Singapore Airlines (SQ) is one of the top choices for travellers jetting between SIN and Phnom Penh Intl. Airport (PNH). Select from the 91 flights it operates on this route each month. Jetstar Asia (3K) is another option. It offers 26 flights each month. Between these two airlines, you'll be able to find a great deal from Singapore to Cambodia.
Are SIN to PNH flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Singapore Airport to PNH at the last minute could be your ticket to a great deal. However, it could end up costing a good deal more! If you'd rather err on the side of caution, book well ahead of your departure date. In fact, Expedia has some of the biggest bargains up to a year in advance. If your preferred carrier hasn't released tickets yet, check back often as deals are updated all the time on Expedia.

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Phnom Penh Airports

Techo Intl. Airport

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