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

PNH — SIN
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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Find cheap flights from Phnom Penh to Singapore with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.
Cheapflights Tip: The best prices from Phnom Penh Pochentong to Singapore Changi are usually found in January or July, booked 88 days in advance, depart on a Friday or Wednesday and return on a Tuesday

Find flight deals from Phnom Penh to Singapore

Discover tips and strategies to find the most affordable flight options for your journey from Phnom Penh (PNH) to Singapore (SIN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

April

Cheapest in

January

Average price

$202

Good round-trip deal

$191 or less

Good one-way deal

$89 or less
Provider with most accurate pricing for Phnom Penh Pochentong-Singapore Changi flight deals.
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Provider most trusted by Cheapflights users for Phnom Penh Pochentong-Singapore Changi flights.
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Highest demand for flights based on searches. 1% potential increase in price ($4 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($3 potential savings vs. average RT price).
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Average for round-trip flights in March 2026
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Price to beat on a round-trip flight from Phnom Penh Pochentong to Singapore Changi.
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Price to beat on a one-way flight from Phnom Penh Pochentong to Singapore Changi.
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Compare providers for flights from Phnom Penh to Singapore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Phnom Penh to Singapore in March.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
oojoPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy2 starsTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star
CheapOairPrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Phnom Penh-Singapore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Phnom Penh-Singapore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Phnom Penh-Singapore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Phnom Penh-Singapore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Phnom Penh-Singapore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Phnom Penh to Singapore

Have a flexible travel schedule? Discover the best time to fly to Singapore from Phnom Penh with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Phnom Penh to Singapore

How far ahead should I book a flight from Phnom Penh to Singapore?

Use this chart to determine the optimal time to book a round-trip flight from Phnom Penh to Singapore. Price data was last updated on March 6, 2026.

The best time to book flights from Phnom Penh to Singapore is 88 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Phnom Penh to Singapore?

Currently, November is the cheapest month in which you can book a flight from Phnom Penh to Singapore (average of $106). Flying from Phnom Penh to Singapore in May is currently the most expensive (average of $172). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from PNH to SIN?

Find hourly flight availability from Phnom Penh to Singapore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 10, 2026.

It’s optimal to fly from Phnom Penh to Singapore in the evening. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight at noon.

What is the cheapest day to fly from Phnom Penh to Singapore?

Use this chart to determine the cheapest time to fly round-trip from Phnom Penh to Singapore. Price data was last updated on February 21, 2026.

Travelers seeking maximum savings on their Phnom Penh to Singapore flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Phnom Penh to Singapore flights

AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Phnom Penh to Singapore trip
Our travel experts
Blane Bachelor

Blane Bachelor

Expert on Emirates

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on Singapore Airlines

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

Reviews of airlines servicing Singapore

Get insights into the airlines that provide service to Singapore. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Singapore. Reviews last updated March 10, 2026.
Peruse reviews from past customers who have flown with Singapore Airlines,Emirates, andMalaysia Airlines from Phnom Penh to Singapore to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Singapore Airlines
8.2
Very good
1,472 reviews

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

8.0

Overall

8.2

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Singapore Airlines
8.2
Very good
1,472 reviews
Singapore Airlines
8.2
Very good
1,472 reviews

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

8.0

Overall

8.2

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Emirates
8.1
Very good
3,540 reviews
Singapore Airlines
8.2
Very good
1,472 reviews

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

8.0

Overall

8.2

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.
Malaysia Airlines
7.3
Good
293 reviews
Singapore Airlines
8.2
Very good
1,472 reviews

Comfort

8.0

Boarding

8.3

Crew

8.6

Entertainment

8.0

Overall

8.2

Food

7.8

Reviews

1 / 20
6.0
Good

Anonymous,Feb 2026

SAI - SIN

The only issue we had was seat selection. Was not easy to change, after they assigned seats. Also, the premium economy seats, are nothing special.. All and all safe flight with minor back issues.

Related info for your journey

Find useful and relevant information for your journey from Phnom Penh to Singapore. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Phnom Penh to Singapore flight route?

    The Phnom Penh Pochentong to Singapore Changi flight path was viewed by 222 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • What are the cheapest airlines flying from Phnom Penh to Singapore round-trip?

    Malaysia Airlines, at $94, was found to be the cheapest airline from Phnom Penh to Singapore.Alternate airlines to your destination round-trip include Cambodia Airways and Emirates. Malaysia Airlines is currently priced 56% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Phnom Penh to Singapore one-way?

    For one-way options, check prices for Emirates. According to our data, you can fly for as low as $76. Users have also found prices from $98 and $106 on Cambodia Airways and Malaysia Airlines, respectively.

  • What are the cheapest flights from Phnom Penh to Singapore?

    Looking at all options, your cheapest flight can be booked for $88. While the most popular route (Phnom Penh Pochentong - Singapore Changi) can be booked for $181 on average, our data indicates $157 when flying from Phnom Penh to Singapore.

  • Can I find deals for flights from Phnom Penh to Singapore that include hotel bookings?

    Yes. In addition to deals on Phnom Penh to Singapore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Phnom Penh to Singapore?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Phnom Penh to Singapore.

  • Can I find deals for business class flights from Phnom Penh to Singapore?

    Yes. Cheapflights offers flight deals from Phnom Penh to Singapore by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Phnom Penh to Singapore?

    Currently, November is the cheapest month in which you can book a flight from Phnom Penh to Singapore (average of $106). Flying from Phnom Penh to Singapore in May is currently the most expensive (average of $172). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 4 airlines flying from Phnom Penh to Singapore

Discover the top 4 airlines that operate flights from Phnom Penh to Singapore. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Malaysia AirlinesCheapest$94Average$228FlexibilityNo cancel feeOn-time67%
Cambodia AirwaysCheapest$110Average$228FlexibilityNo cancel feeOn-timeN/A
EmiratesCheapest$161Average$187FlexibilityNo cancel feeOn-time75%
Singapore AirlinesCheapest$183Average$248FlexibilityNo cancel feeOn-time81%

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