$459 Cheap Flights from Sihanoukville (KOS) to Phuket (HKT)

View $459 flight on Tue, Dec 16, 2025Opens in a new window

Popular airlines from Sihanoukville (KOS) to Phuket Intl. Airport (HKT)

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Cheap Flights from Sihanoukville to Phuket (KOS-HKT)

Prices were available within the past 7 days and start at $459 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flights from Sihanoukville (KOS) to Phuket (HKT)
Origin airport
Sihanoukville
Destination airport
Phuket Intl.
Distance
401 mi

Sihanoukville to Phuket Flights

The cheapest times to fly from Sihanoukville to Phuket

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 Sihanoukville to Phuket are during the month of . You can find some of the cheapest flights from Sihanoukville to Phuket with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sihanoukville to Phuket

Sunday is one of the best days to book for cheap flights from Sihanoukville to Phuket: 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 Sihanoukville to Phuket

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 Sihanoukville to Phuket in 2025. You can also book with separate airlines for your outbound and return journeys, from $459 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 Sihanoukville to Phuket 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 Sihanoukville to Phuket 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 Sihanoukville Airport (KOS) to Phuket Intl. Airport (HKT) cost?
Grab a cheap one-way flight from $459 or cheap return flight from Sihanoukville Airport (KOS) to Phuket Intl. Airport (HKT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sihanoukville Airport (KOS) to Phuket Intl. Airport (HKT)?
is the most affordable month to fly from KOS to HKT. Planning your trip for the off-season is often the key to finding better fares.
What is the cheapest airline that flies from Sihanoukville Airport (KOS) to Phuket Intl. Airport (HKT)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from KOS to HKT. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Sihanoukville Airport (KOS) to Phuket Intl. Airport (HKT)?
Nonstop flights from Sihanoukville Airport (KOS) to Phuket Intl. Airport (HKT) aren't available daily, so you'll need to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from KOS to HKT?
Friday is generally the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can vary based on various factors, including the carrier and season.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sihanoukville Airport (KOS) to Phuket Intl. Airport (HKT)?
To land at Phuket Intl. Airport (HKT) on time, choose a flight that leaves Sihanoukville Airport (KOS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this time.**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 Sihanoukville Airport (KOS) to Phuket Intl. Airport (HKT) last-minute?
Last-minute fares from KOS to HKT are usually more expensive. To lock in the lowest rates, start looking for flights well ahead of time. That said, if your travel plans are flexible, it's possible to find a cheap ticket right before you leave.
Is it cheaper to book a KOS to HKT flight and hotel package?
Securing a KOS to HKT flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels in one place. Choose from our wide range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sihanoukville Airport (KOS) to Phuket Intl. Airport (HKT)?
Typically, it's possible to reschedule or cancel your KOS to HKT flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find further details on our Customer Service portal.

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*Available to One Key members.