Cheap Flights Siem Reap to Sihanoukville from £26

Flight FAQs

• Which airlines offer the cheapest flights from Siem Reap to Sihanoukville?

  Based on Trip.com data, Air Cambodia offers Cheapest nonstop one-way flights from £26 (for example, SAI–KOS on Sun, Oct 4). For a Cheapest nonstop return flight, Air Cambodia offers fares from £59, departing on Fri, Sep 11 and returning on Mon, Sep 14.

• Which airlines offer direct flights from Siem Reap to Sihanoukville?

  At the moment, you can catch a direct flight from Siem Reap to Sihanoukville with the following airlines, including: Air Cambodia Cambodia Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is a flight from Siem Reap to Sihanoukville?

  A flight from Siem Reap (SAI) to Sihanoukville (KOS) takes an average of 1 hour 8 minutes.

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

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Siem Reap to Sihanoukville is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there from Siem Reap to Sihanoukville each week?

  On average, 6 direct flights operate each week between Siem Reap and Sihanoukville. See below the schedules of the main airlines serving this route:
  Air Cambodia: S/M/T/W/T/F/S – K6131 (departure at 11:50) Cambodia Airways: S/-/T/W/-/-/- – KR804 (departure at 14:28)

• How can I find the best deals on flights from Siem Reap to Sihanoukville?

  Here are some tips for finding the best flight deals from Siem Reap to Sihanoukville on Trip.com:
  · Be flexible with your travel dates. The cheapest flight is currently on Sun, Oct 4, with one-way fares from just £26.
  · Compare airlines. Air Cambodia currently offers the lowest fares on this route.
  · Set up a price alert to track fare changes without searching every day.
  · Check Trip.com regularly for flight deals and available promo codes.
  · Get exclusive promo codes on the Trip.com app.

• Which upcoming date is the cheapest for flights from Siem Reap to Sihanoukville?

  After crunching the numbers on our September flight calendar, it's currently cheapest to fly from Siem Reap to Sihanoukville on September 25, 2026 with Air Cambodia, with prices starting at £30.

• Which airports should you choose for flights from Siem Reap to Sihanoukville?

  Flights to Sihanoukville can arrive at: Sihanoukville International Airport (KOS). The most common route connects Siem Reap Angkor International Airport and Sihanoukville International Airport (SAI–KOS).

• What is the time difference between Siem Reap and Sihanoukville?

  The time difference between Sihanoukville and Siem Reap is 0m.

• How can I change or cancel my flight ticket from Siem Reap to Sihanoukville?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average price of a one-way flight from Siem Reap to Sihanoukville?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Siem Reap to Sihanoukville is £143. Fares vary by travel date, airline and availability.

• What is the average price of a return flight from Siem Reap to Sihanoukville?

  Based on Trip.com data for flights departing in the next 30 days, the average return fare from Siem Reap to Sihanoukville is £118. Fares vary by travel date, airline and availability.

• How do I book flights from Siem Reap to Sihanoukville on Trip.com?

  Enter Siem Reap and Sihanoukville, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveller details and complete payment to receive your confirmation.