Cheap Flights from Siem Reap to Sihanoukville from S$ 55

Frequently Asked Questions

• Which airlines offer the cheapest flights from Siem Reap (SAI) to Sihanoukville (KOS)?

  Based on Trip.com data, Cambodia Airways offers one-way fares as low as S$ 55 on Cheapest nonstop routes (e.g. SAI to KOS on Sat, Jul 25), while Cambodia Airways offers Cheapest nonstop round-trips from S$ 97 departing on Wed, Aug 19 and returning on Mon, Aug 24.

• 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 (SAI) to Sihanoukville (KOS)?

  It takes about 1 hour 11 minutes to fly from Siem Reap (SAI) to Sihanoukville (KOS).

• 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 per week from Siem Reap to Sihanoukville?

  Based on Trip.com data in the past 4 weeks, there is 10 flight per week flying from Siem Reap to Sihanoukville. You can check the weekly schedule for popular airlines on this route below: Air Cambodia: S/M/-/W/T/F/- -- K6131 (11:38) Cambodia Airways: S/-/T/-/T/F/S -- KR804 (14:34)

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

  To find best deals on flights from Siem Reap to Sihanoukville, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Sat, Jul 25, with one-way flights priced at just S$ 55.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Cambodia Airways.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Get exclusive promo codes for Trip.com app users.

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

  After crunching the numbers on our July flight calendar, it's currently cheapest to fly from Siem Reap to Sihanoukville on July 26, 2026 with Cambodia Airways, with prices starting at S$ 43.

• Which airports can I fly through when travelling to Sihanoukville from Siem Reap?

  You can land at any one of the following hubs in Sihanoukville, with Siem Reap Angkor International Airport to Sihanoukville International Airport (SAI-KOS) is by far the most common option on this route: Sihanoukville International Airport (KOS).

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

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

• 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.