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Find cheap one-way flights from Siem Reap to Sihanoukville starting at US$107.

Book one-way or return flights from Siem Reap to Sihanoukville from as little as US$107. Choose from the popular airlines below and book your flight today!

  • One way
  • Round-trip

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

When is the cheapest time to book flights from Siem Reap to Sihanoukville?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from Siem Reap to Sihanoukville

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Cambodia Angkor Air
From US$124
Vietnam Airlines
From US$388
ANA airlines

Find more flights and airlines

Find cheap flights from Siem Reap to Sihanoukville by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Siem Reap to Sihanoukville.

  • Cheapest
    Cambodia Angkor Air
    SAI
    10:05
    1h 10m
    Direct
    KOS
    11:15
    Siem Reap Angkor International Airport - Sihanouk International Airport
    Thu, May 2Cambodia Angkor Air
    US$124
  • Cambodia Angkor Air
    SAI
    10:05
    1h 10m
    Direct
    KOS
    11:15
    Siem Reap Angkor International Airport - Sihanouk International Airport
    Thu, May 2Cambodia Angkor Air
    US$124
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from Siem Reap (REP) to Sihanoukville (KOS) the cheapest?

    Airlines adjust prices for flights from Siem Reap to Sihanoukville based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from Siem Reap (REP) to Sihanoukville (KOS) cost?

    According to Trip.com's data, the lowest price is around $200.
  • How long does it take to fly from Siem Reap (REP) to Sihanoukville (KOS) and what is the distance?

    It takes around 1 hour 10 minutes to fly from Siem Reap (REP) to Sihanoukville (KOS).
  • What are the most popular airlines that fly from Siem Reap (REP) to Sihanoukville (KOS)?

    Airlines with flights from Siem Reap (REP) to Sihanoukville (KOS): Vietnam Airlines and Cambodia Angkor Air.

Siem Reap to Sihanoukville Flight Information

Cheapest nonstop flight price

$107

Cheapest round-trip ticket price

$155

Off-season for travel

October

Peak season for travel

September

What You Should Know about Flights from Siem Reap to Sihanoukville