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Cheap Flights from Sihanoukville to Phnom Penh

Cheap Flights from Sihanoukville to Phnom Penh starting at S$ 358

Find the cheapest flights from Sihanoukville to Phnom Penh within the next three months. Book one-way flights from S$ 143 or return tickets from S$ 358.

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flying from Sihanoukville to Phnom Penh

The distance between Sihanoukville and Phnom Penh is about 170.05km. The most popular month to Phnom Penh is March. The off-season for travel is May.

Cheapest one-way flight price S$ 143
Cheapest return ticket price S$ 358
Off-season for travel May
Peak season for travel March
Flight distance 170.05km

Cheapest time to fly from Sihanoukville to Phnom Penh

The cheapest time for Sihanoukville to Phnom Penh flights: Aug 17 to Aug 24 — one way flight prices from S$ 143.

Cheapest flights
From price
Search
  • 13 20
  • 20 27

  • Aug

    27 3
  • 3 10
  • 10 17
  • 17 24
  • 24 31

  • Sep

    31 7
  • 7 14
  • 14 21
  • 21 28

  • Oct

    28 5
Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • When to buy flight tickets from Sihanoukville (KOS) to Phnom Penh (PNH) the cheapest?

    Airlines adjust prices for flights from Sihanoukville to Phnom Penh based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.

  • How much is a flight from Sihanoukville (KOS) to Phnom Penh (PNH) cost?

    According to Trip.com's data, the lowest price is around S$ 246.

  • How many airports in Phnom Penh?

    There are 1 airports near Phnom Penh: Phnom Penh International Airport.

How to find a cheap flight from Sihanoukville to Phnom Penh

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Sihanoukville to Phnom Penh. Book your flights at the right time and save more.
1
Choose your dates flexibly and get the best deals on flights from Sihanoukville to Phnom Penh.
Tap 'Date' on the flight search bar to browse the calendar for Sihanoukville to Phnom Penh airfare over the next 6 months in 2025. If you're looking to fly within the next 3 months, the cheapest date seems to be Sat, Aug 23, with one-way flights starting at S$ 143.
2
Compare cheap flight deals from hundreds of airlines for Sihanoukville to Phnom Penh flights.
Our extensive search lets you compare prices from over 500 airlines to find the cheapest flights from Sihanoukville to Phnom Penh. The cheapest flight at the moment is with Air Cambodia.
3
Set up a Price Alert
Set up a Price Alert for your Sihanoukville to Phnom Penh flights and track ticket prices easily—no need for daily checks.
4
Don't miss out on cheap deals and promo codes for Sihanoukville to Phnom Penh flights.
You can always get the latest deals through Trip.com Deals and Promo Codes for cheap flights. Sign up for a free membership for more exclusive flight deals.
5
Book early or wait for last-minute deals.
It's always better to book early. Flight tickets are often at their lowest when first released, usually a year ahead of departure. Keep an eye out as soon as your desired flights open for booking. If you miss the early deals, you may still find lower prices closer to your travel date.
6
Search for flights on the go.
For the best flight booking experience on the go, download Trip.com and search for cheap flights from Sihanoukville to Phnom Penh to get your exclusive deals.

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