BKK to KOS, Suvarnabhumi Airport to Sihanouk International Airport Cheap Flights

Based on HopeGoo data, AirAsia Berhad (Malaysia) offers one-way fares as low as US$143 on Cheapest nonstop routes (e.g. DMK to KOS on Tue, Apr 7), while AirAsia Berhad (Malaysia) offers Cheapest nonstop round-trips from US$316 departing on Thu, Apr 2 and returning on Mon, Apr 6.

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

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

Based on HopeGoo data in the past 4 weeks, there is 1 flight per week flying from Bangkok to Sihanoukville. You can check the weekly schedule for popular airlines on this route below: Air Cambodia: -/-/-/-/-/-/- -- K6727 (10:50)

To find best deals on flights from Bangkok to Sihanoukville, 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 Tue, Apr 7, with one-way flights priced at just US$143. · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is AirAsia Berhad (Malaysia). · Set up price alerts to easily monitor ticket prices without having to check every day. · Check HopeGoo flight deals and promo codes frequently. · Avoid peak season unless you book very early. It seems the peak season for Sihanoukville travel is around July. · Get exclusive promo codes for HopeGoo app users.

The cheapest months to fly from Bangkok to Sihanoukville is November, when demand for travel is lower.

After crunching the numbers on our February flight calendar, it's currently cheapest to fly from Bangkok to Sihanoukville on February 26, 2026 with AirAsia Berhad (Malaysia), with prices starting at US$122.

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

The time difference between Sihanoukville and Bangkok is 0h.

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