$92 Cheap Flights from Phnom Penh (PNH) to Singapore (SIN)

View $92 flight on Fri, Sep 5, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $92 for one-way flights and $200 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Emirates
Fri, Sep 5 - Mon, Sep 8
PNH
Phnom Penh
SIN
Singapore
$200 Roundtrip, just found
$200
Roundtrip
just found
Select Emirates flight, departing Fri, Sep 5 from Phnom Penh to Singapore, returning Mon, Sep 8, priced at $200 just found
Singapore Airlines
Thu, Sep 4 - Mon, Sep 8
PNH
Phnom Penh
SIN
Singapore
$240 Roundtrip, found 4 days ago
$240
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Thu, Sep 4 from Phnom Penh to Singapore, returning Mon, Sep 8, priced at $240 found 4 days ago
Singapore Airlines
Thu, Sep 4 - Mon, Sep 8
PNH
Phnom Penh
SIN
Singapore
$244 Roundtrip, found 4 days ago
$244
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Thu, Sep 4 from Phnom Penh to Singapore, returning Mon, Sep 8, priced at $244 found 4 days ago
Singapore Airlines
Fri, Sep 5 - Mon, Sep 8
PNH
Phnom Penh
SIN
Singapore
$249 Roundtrip, just found
$249
Roundtrip
just found
Select Singapore Airlines flight, departing Fri, Sep 5 from Phnom Penh to Singapore, returning Mon, Sep 8, priced at $249 just found
Singapore Airlines
Thu, Sep 4 - Mon, Sep 8
PNH
Phnom Penh
SIN
Singapore
$252 Roundtrip, found 4 days ago
$252
Roundtrip
found 4 days ago
Select Singapore Airlines flight, departing Thu, Sep 4 from Phnom Penh to Singapore, returning Mon, Sep 8, priced at $252 found 4 days ago
Emirates
Fri, Sep 5 - Mon, Sep 8
PNH
Phnom Penh
SIN
Singapore
$253 Roundtrip, just found
$253
Roundtrip
just found
Select Emirates flight, departing Fri, Sep 5 from Phnom Penh to Singapore, returning Mon, Sep 8, priced at $253 just found
Emirates
Sat, Sep 6 - Mon, Sep 8
PNH
Phnom Penh
SIN
Singapore
$255 Roundtrip, found 2 days ago
$255
Roundtrip
found 2 days ago
Select Emirates flight, departing Sat, Sep 6 from Phnom Penh to Singapore, returning Mon, Sep 8, priced at $255 found 2 days ago
Vietnam Airlines
Thu, Sep 4 - Mon, Sep 8
PNH
Phnom Penh
SIN
Singapore
$349 Roundtrip, found 4 days ago
$349
Roundtrip
found 4 days ago
Select Vietnam Airlines flight, departing Thu, Sep 4 from Phnom Penh to Singapore, returning Mon, Sep 8, priced at $349 found 4 days ago
Malaysia Airlines
Fri, Sep 5 - Mon, Sep 8
PNH
Phnom Penh
SIN
Singapore
$351 Roundtrip, just found
$351
Roundtrip
just found
Select Malaysia Airlines flight, departing Fri, Sep 5 from Phnom Penh to Singapore, returning Mon, Sep 8, priced at $351 just found
Thai Airways International
Fri, Sep 5 - Mon, Sep 8
PNH
Phnom Penh
SIN
Singapore
$415 Roundtrip, just found
$415
Roundtrip
just found
Select Thai Airways International flight, departing Fri, Sep 5 from Phnom Penh to Singapore, returning Mon, Sep 8, priced at $415 just found

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

October is typically the cheapest month to fly

From $164 - $257 per traveler.

Graph displaying average flight prices per month

Alternative airports near Singapore

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Changi SIN. Cheapest option available. Average driving time to city center is 18 minutes. Flights from $458
SIN
Changi
Cheapest
Average driving time to city center18 min
Flights from $458
Flights from Phnom Penh (PNH) to Singapore (SIN)
Origin airport
Phnom Penh Intl.
Destination airport
Changi
Airlines serving
Emirates, Malaysia Airlines, Shenzhen Airlines, Singapore Airlines, Thai Airways International, Vietnam Airlines
Roundtrip price
$200
Distance
706 mi
Average flight time
3 hours 57 mins

Phnom Penh to Singapore Flights

The cheapest times to fly from Phnom Penh to Singapore

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Phnom Penh to Singapore are during the month of September. You can find some of the cheapest flights from Phnom Penh to Singapore with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Phnom Penh to Singapore

Sunday is one of the best days to book for cheap flights from Phnom Penh to Singapore: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Phnom Penh to Singapore

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Phnom Penh to Singapore in 2025. You can also book with separate airlines for your outbound and return journeys, from $92 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Phnom Penh to Singapore flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Phnom Penh to Singapore airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Frequently asked questions

How much does a flight from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN) cost?
Lock in a cheap one-way flight from $92 or cheap return flight from $200 from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN)?
Flying in September is a good way to save, as it's the cheapest month for flights between PNH and SIN. You'll usually find the lowest prices during off-peak months.
Which airlines fly direct from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN)?
Take the express route to Changi Airport (SIN). 3 carriers operate direct routes from Phnom Penh Intl. Airport (PNH), including:

  • Singapore Airlines
  • Emirates
  • Cambodia Airways

What is the cheapest airline that flies from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN)?
While prices can change depending on when you travel, Cambodia Airways and Emirates are popular options for flights between Phnom Penh Intl. Airport (PNH) and Changi Airport (SIN). You can also compare carriers on Expedia and use the "Sort by" filter to find the cheapest ticket for your PNH to SIN flight.
How many flights per day from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN)?
Every day, an average of 4 direct flights operate from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN). Choose the departure that best suits your travel plans.
What are the most popular departure times for flights from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN)?
Flights between PNH and SIN tend to be busiest at 9 AM. If you're after a more relaxed atmosphere and potentially cheaper tickets, look for a departure outside the usual busy windows.
What day of the week has the most flights from PNH to SIN?
Depart on a Sunday if you're after the largest selection of flights from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN).
What is the earliest flight from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN)?
The earliest flight leaving Phnom Penh Intl. Airport (PNH) is at around 7:55AM UTC+7. Hop on this flight and you'll arrive at Changi Airport (SIN) at approximately 10:55AM UTC+8. The total travel time is 2h.
How long does it take to fly from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN)?
Flights from PNH to SIN have an average travel time of 2 hours and 5 minutes. The total distance between the two airports is 710 mi.
What airline has the least delays from PNH to SIN?
Emirates has the strongest track record for on-time direct flights from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN), with an on-time score of 100%. Use the Expedia App to see your journey status before you go and get notified of any changes.
What is the best time to fly from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN)?
Book a flight from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN) that takes off before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Singapore from Phnom Penh Intl. Airport (PNH)?
If you've booked a direct flight from Phnom Penh Intl. Airport (PNH) to Singapore, Changi Airport (SIN) is the only airport you can land at.
Is it cheaper to buy a plane ticket from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN) last-minute?
Waiting until just before your departure to book a flight from PNH to SIN generally means paying more. While you might find some last-minute discounts, there's no guarantee. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a PNH to SIN flight and hotel package?
Compared with arranging hotels and flights separately, booking a PNH to SIN flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the hassle out of travel planning. Simply secure your flights and select from our extensive range of hotels, then customize your trip with other add-ons like activities and car rentals.
Can I cancel or change the date of my flight from Phnom Penh Intl. Airport (PNH) to Changi Airport (SIN)?
If you booked your PNH to SIN flight in the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for further details.

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*Available to One Key members.