Cheap Flights from Samui Intl. Airport (USM) to Phnom Penh (PNH)

Popular airlines from Samui Intl. Airport (USM) to Phnom Penh Intl. Airport (PNH)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

Frequently asked questions

How much does a flight from Ko Samui Airport (USM) to Phnom Penh Intl. Airport (PNH) cost?
Secure a cheap one-way flight or cheap return flight from Ko Samui Airport (USM) to Phnom Penh Intl. Airport (PNH) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ko Samui Airport (USM) to Phnom Penh Intl. Airport (PNH)?
The cheapest month to fly from USM to PNH is , when demand is low. Off-peak season is typically when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Ko Samui Airport (USM) to Phnom Penh Intl. Airport (PNH)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Select your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest USM to PNH flight.
How many flights per day from Ko Samui Airport (USM) to Phnom Penh Intl. Airport (PNH)?
You'll need to catch a flight with a layover when traveling from Ko Samui Airport (USM) to Phnom Penh Intl. Airport (PNH). There are no daily direct flights on this route. However, just filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from USM to PNH?
You'll generally find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ko Samui Airport (USM) to Phnom Penh Intl. Airport (PNH)?
To avoid potential delays on the Ko Samui Airport (USM) to Phnom Penh Intl. Airport (PNH) route, aim to fly before 3 PM. Departures after this hour have a 22% higher chance of being canceled.**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.
Is it cheaper to buy a plane ticket from Ko Samui Airport (USM) to Phnom Penh Intl. Airport (PNH) last-minute?
Booking your ticket from USM to PNH just before your getaway is generally more expensive. However, if there's some wiggle room with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book an USM to PNH flight and hotel package?
You'll generally save money by securing an USM to PNH flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one place. Once you've selected your ideal accommodations and flights, consider adding extras like car rentals, tours and activities.
Can I cancel or change the date of my flight from Ko Samui Airport (USM) to Phnom Penh Intl. Airport (PNH)?
If you booked your USM to PNH flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the fare 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, go to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Samui Intl. Airport
Destination airport
Phnom Penh Intl.
Distance
353 mi

Book with confidence

Book with confidence

Samui Intl. Airport to Phnom Penh Flights

The cheapest times to fly from Samui Intl. Airport to Phnom Penh

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 Samui Intl. Airport to Phnom Penh are during the month of . You can find some of the cheapest flights from Samui Intl. Airport to Phnom Penh with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Samui Intl. Airport to Phnom Penh

Sunday is one of the best days to book for cheap flights from Samui Intl. Airport to Phnom Penh: 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 Samui Intl. Airport to Phnom Penh

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 Samui Intl. Airport to Phnom Penh in 2025. You can also book with separate airlines for your outbound and return journeys, from 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 Samui Intl. Airport to Phnom Penh 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 Samui Intl. Airport to Phnom Penh 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.

 

Samui Intl. Airport to Phnom Penh Flights
*Available to One Key members.