Skyscanner

Cheap Flights from Chiang Mai to Sihanoukville

Compare Chiang Mai to Sihanoukville flight deals

Find the cheapest month or even day of the year to fly to Sihanoukville

Book the best Sihanoukville fare with no extra fees

Flight deals from Chiang Mai to Sihanoukville

Looking for a cheap last-minute deal or the best return flight from Chiang Mai to Sihanoukville? Find the lowest prices on one-way and return tickets right here.
Sihanoukville.Rs39,053 per passenger.Departing Thu, 13 Nov.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Chiang Mai on Thu, 13 Nov, arriving in Sihanoukville.Price includes taxes and charges.From Rs39,053, select.
Sihanoukville.Rs40,674 per passenger.Departing Mon, 2 Mar.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Chiang Mai on Mon, 2 Mar, arriving in Sihanoukville.Price includes taxes and charges.From Rs40,674, select.
Sihanoukville.Rs48,898 per passenger.Departing Tue, 9 Dec.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Chiang Mai on Tue, 9 Dec, arriving in Sihanoukville.Price includes taxes and charges.From Rs48,898, select.
Sihanoukville.Rs59,905 per passenger.Departing Sun, 18 Jan.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Chiang Mai on Sun, 18 Jan, arriving in Sihanoukville.Price includes taxes and charges.From Rs59,905, select.
Sihanoukville.Rs64,033 per passenger.Departing Mon, 23 Feb.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Chiang Mai on Mon, 23 Feb, arriving in Sihanoukville.Price includes taxes and charges.From Rs64,033, select.

Find the cheapest month to fly from Chiang Mai to Sihanoukville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Chiang Mai to Sihanoukville flights are currently cheapest in November.
Oct
Find prices
Nov
from Rs39,053
Dec
from Rs48,898
Jan
from Rs59,905
Feb
from Rs64,033
Mar
from Rs40,674
Apr
Find prices
May
Find prices
Jun
Find prices
Jul
Find prices
Aug
Find prices
Sep
Find prices

Chiang Mai to Sihanoukville: Alternative routes

Compare routes from Chiang Mai to Sihanoukville below. You may find an airport to fly into that's cheaper, faster, or easier than Sihanoukville.

Chiang Mai to Sihanoukville: Flight information

The things to know before you go.
Cheapest flight foundRs39,098
Cheapest month to flyNovember

Finding cheap flights from Chiang Mai to Sihanoukville: Frequently asked questions

The best price we found for a return flight from Chiang Mai to Sihanoukville is Rs102,718. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Chiang Mai to Sihanoukville. But we found flights with one or more stops from Rs102,718.
As of October 2025, there are no flights flying from Chiang Mai to Sihanoukville.
The cheapest month to fly from Chiang Mai to Sihanoukville is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Chiang Mai Airport to Sihanoukville Airport on Friday, 14 November 2025.
No airlines currently offer direct flights between Chiang Mai Airport and Sihanoukville Airport. Most routes have one or more stops.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Sihanoukville is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, AirAsia offers the cheapest flight tickets to Sihanoukville.

Travelling from Chiang Mai International Airport (CNX) to Sihanouk International Airport (KOS): what you need to know

  • Sihanoukville's timezone is UTC+7, which is the same as Chiang Mai.

  • Arrive at the airport on time so you don't miss your CNX to KOS flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • You'll likely experience longer lines during popular months like August. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a wise move.

How to find the cheapest flights from Chiang Mai International Airport (CNX) to Sihanouk International Airport (KOS)

  • Currently, Rs39,053 is the cheapest price we've seen for a one-way Chiang Mai International Airport to Sihanouk International Airport flight. The best price for a return plane ticket is Rs102,718. Bear in mind that fares could change due to availability when booking.

  • To score cheap tickets from CNX to KOS, book ahead. Airlines typically offer the most competitive fares when flights are first released.

  • If you can be flexible with your trip dates, try using the 'Whole month' tool. It'll show you the cheapest price across every month when looking for your flight from Chiang Mai International Airport to Sihanouk International Airport.

  • There's no need to check every day to find out if fares have dropped when you set up a Price Alert. We'll update you the moment a special offer becomes available on cheap flights from CNX to KOS.

  • Tailor your trip using filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort results by 'Fastest,' 'Best' or 'Cheapest' flights from Chiang Mai International Airport to Sihanouk International Airport.

Handy information about Chiang Mai International Airport (CNX)

  • 76.37% of flights leaving from Chiang Mai International Airport arrive at their destination on schedule.

  • Chiang Mai International Airport is about 5 kilometres from central Chiang Mai. If you're catching a cab, ride-sharing or driving from the centre, it'll take 10 minutes or so to arrive, depending on the traffic.

  • Expect a journey time of roughly 25 minutes on public transport.

  • Have an early flight from Chiang Mai International Airport to Sihanouk International Airport? Avoid rushing to the airport (and sneak in some extra snooze time) by choosing one of these hotels near CNX:

Arriving at Sihanouk International Airport (KOS)

  • Step off your Chiang Mai International Airport to Sihanouk International Airport flight and be snoozing in your hotel bed soon after. If you're looking for a handy option a short journey from KOS, stay at Sok Sabay Resort.

Getting from Sihanouk International Airport (KOS) to central Sihanoukville

  • Sihanouk International Airport is roughly 24 kilometres from the centre of Sihanoukville. The drive time takes about 45 minutes.

When to fly to Sihanouk International Airport (KOS)

  • The quietest month for a flight from Chiang Mai International Airport to Sihanouk International Airport is April, while January is the most popular. Choose the ideal time to visit Sihanoukville based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Sihanoukville is May, with the temperature ranging between 25ºC and 31ºC. Lock in your flights from Chiang Mai International Airport to Sihanouk International Airport in this month if you enjoy this type of weather.

  • January sees average temperatures of between 23ºC and 29ºC. Look for cheap tickets from CNX to KOS around that time if you want to travel in cooler conditions.

Explore more of Cambodia

  • Phnom Penh is just one of the many cities in Cambodia waiting to be explored once you've seen the sights of Sihanoukville. Around 193 kilometres away to the north-east, top sights here include Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.

  • Battambang is another well-known destination in Cambodia and is around 274 kilometres north of Sihanoukville. No journey is complete without a visit to The Garden of SamDech Sar Kheng, Spean Thmor Chas and សួននាគសន្តិភាព-Dragon Peace Garden.

Plan the rest of your trip from Chiang Mai to Sihanoukville

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.