KOS to SAI, Sihanouk International Airport to Siem Reap Angkor International Airport Cheap Flights

Based on HopeGoo data, Air Cambodia offers one-way fares as low as US$47 on Cheapest nonstop routes (e.g. KOS to SAI on Wed, Feb 11), while Air Cambodia offers Cheapest nonstop round-trips from US$110 departing on Mon, Feb 23 and returning on Mon, Mar 2.

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

It takes about 1 hour 5 minutes to fly from Sihanoukville to Siem Reap.

By analyzing data from all airlines on the HopeGoo flight calendar, it looks like the best time to book a flight from Sihanoukville to Siem Reap 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.

Based on HopeGoo data in the past 4 weeks, there is 9 flight per week flying from Sihanoukville to Siem Reap. You can check the weekly schedule for popular airlines on this route below: Air Cambodia: -/-/T/W/T/F/S -- K6132 (21:51) Air Cambodia: S/M/T/W/T/F/S -- K6130 (13:22)

To find best deals on flights from Sihanoukville to Siem Reap, you can use various tools on HopeGoo: · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Wed, Feb 11, with one-way flights priced at just US$47. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Air Cambodia. · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Get exclusive promo codes for HopeGoo app users.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Sihanoukville to Siem Reap on February 16, 2026 with Air Cambodia, with prices starting at US$46.

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

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

Tickets can only be changed or canceled 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 HopeGoo, 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.