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Cheap Flights from Bangkok to Sihanoukville

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Compare Bangkok to Sihanoukville flight deals

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

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Flight deals from Bangkok to Sihanoukville

Looking for a cheap last-minute deal or the best return flight from Bangkok to Sihanoukville? Find the lowest prices on one-way and return tickets right here.
Sihanoukville.$387 per passenger.Departing Tue, 20 May, returning Sun, 25 May.Return flight with Firefly and AirAsia.Outbound indirect flight with Firefly, departs from Bangkok Suvarnabhumi on Tue, 20 May, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departs from Sihanoukville on Sun, 25 May, arriving in Don Mueang.Price includes taxes and charges.From $387, select.
Sihanoukville.$435 per passenger.Departing Sat, 7 Jun, returning Sat, 14 Jun.Return flight with AirAsia and Cambodia Angkor Air.Outbound indirect flight with AirAsia, departs from Don Mueang on Sat, 7 Jun, arriving in Sihanoukville.Inbound indirect flight with Cambodia Angkor Air, departs from Sihanoukville on Sat, 14 Jun, arriving in Don Mueang.Price includes taxes and charges.From $435, select.
Sihanoukville.$472 per passenger.Departing Tue, 12 Aug, returning Tue, 19 Aug.Return flight with AirAsia.Outbound indirect flight with AirAsia, departs from Don Mueang on Tue, 12 Aug, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departs from Sihanoukville on Tue, 19 Aug, arriving in Don Mueang.Price includes taxes and charges.From $472, select.
Sihanoukville.$475 per passenger.Departing Thu, 31 Jul, returning Tue, 19 Aug.Return flight with AirAsia.Outbound indirect flight with AirAsia, departs from Don Mueang on Thu, 31 Jul, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departs from Sihanoukville on Tue, 19 Aug, arriving in Don Mueang.Price includes taxes and charges.From $475, select.
Sihanoukville.$478 per passenger.Departing Mon, 29 Sep, returning Wed, 1 Oct.Return flight with AirAsia.Outbound indirect flight with AirAsia, departs from Don Mueang on Mon, 29 Sep, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departs from Sihanoukville on Wed, 1 Oct, arriving in Don Mueang.Price includes taxes and charges.From $478, select.
Sihanoukville.$479 per passenger.Departing Fri, 3 Oct, returning Tue, 14 Oct.Return flight with AirAsia.Outbound indirect flight with AirAsia, departs from Don Mueang on Fri, 3 Oct, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departs from Sihanoukville on Tue, 14 Oct, arriving in Don Mueang.Price includes taxes and charges.From $479, select.
Sihanoukville.$481 per passenger.Departing Tue, 1 Jul, returning Mon, 14 Jul.Return flight with AirAsia.Outbound indirect flight with AirAsia, departs from Don Mueang on Tue, 1 Jul, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departs from Sihanoukville on Mon, 14 Jul, arriving in Don Mueang.Price includes taxes and charges.From $481, select.
Sihanoukville.$485 per passenger.Departing Wed, 25 Jun, returning Mon, 14 Jul.Return flight with Thai AirAsia and AirAsia.Outbound indirect flight with Thai AirAsia, departs from Don Mueang on Wed, 25 Jun, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departs from Sihanoukville on Mon, 14 Jul, arriving in Don Mueang.Price includes taxes and charges.From $485, select.

Find the cheapest month to fly from Bangkok to Sihanoukville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Bangkok to Sihanoukville flights are currently cheapest in May.
Apr
from $820
May
from $387
Jun
from $435
Jul
from $481
Aug
from $472
Sep
from $493
Oct
from $479
Nov
from $496
Dec
from $766
Jan
from $690
Feb
from $710
Mar
from $670

Bangkok to Sihanoukville: Alternative routes

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

Bangkok to Sihanoukville: Flight information

The things to know before you go.
Cheapest flight found$387
Cheapest month to flyMay

Finding cheap flights from Bangkok to Sihanoukville: Frequently asked questions

The best price we found for a return flight from Bangkok to Sihanoukville is $387. 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 Bangkok to Sihanoukville. But we found flights with one stop from $387.
As of April 2025, there are no flights flying from Bangkok to Sihanoukville.
The cheapest month to fly from Bangkok to Sihanoukville is usually April 2025.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Sihanoukville Airport on Tuesday, 20 May 2025.
No airlines currently offer direct flights between Bangkok and Sihanoukville Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sihanoukville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
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.
The cheapest airline that flies to Sihanoukville is Firefly .

Flying from Bangkok to Sihanouk International Airport (KOS): what you need to know

  • Bangkok is home to two main airports where you can kick off your travels. Explore your options for booking a flight from Bangkok to Sihanouk International Airport (KOS) leaving from Suvarnabhumi Airport (BKK) or Don Mueang International Airport (DMK).

  • Sihanoukville's timezone is UTC+7, which is the same as Bangkok. Sihanouk International Airport is located in Sihanoukville.

  • For a stress-free journey, turn up at the airport two hours ahead of international flights and an hour before domestic departures. This will give you plenty of time to catch your flight from Bangkok to KOS.

  • Popular months like July or other peak periods mean longer lines and potential delays. Get a head start by getting to the airport even earlier. Aim for at least four hours ahead of international flights and two hours before domestic departures.

Airports in Bangkok

Suvarnabhumi Airport (BKK)

  • Consider adding a stopover to potentially find a cheaper flight from Bangkok to KOS. Simply deselect 'Direct flights only' when browsing departures from Suvarnabhumi Airport (BKK). Take a break (and maybe save some cash) by stopping at one of these popular options:

    • Tan Son Nhat International Airport (SGN)

    • Kuala Lumpur International Airport (KUL)

    • Siem Reap-Ankor International Airport (SAI)

  • The distance from central Bangkok to BKK is around 32 kilometres. Check out travel apps like Google Maps for the best route, whether you plan to drive or take public transport.

  • In search of a handy hotel near Suvarnabhumi Airport? If you're catching an early flight from Bangkok to Sihanouk International Airport, these accommodation options will have you moments from your check-in counter:

Don Mueang International Airport (DMK)

  • Think about adding a stop at Kuala Lumpur International Airport (KUL). It's a key stopover on a flight from Bangkok to Sihanouk International Airport (KOS) leaving Don Mueang International Airport. Use a longer layover to explore the city, or take advantage of a quick break to grab a coffee at an airport cafe.

  • On public transport, you can travel from central Bangkok to DMK in around 1 hour and 5 minutes. The terminal is roughly 27 kilometres away, and getting there by car takes approximately 30 minutes.

  • Want to spoil yourself with an extra night away before catching your flight from Bangkok to KOS? Check in to a hotel near Don Mueang International Airport before your adventure officially starts. Consider one of these stays:

About Sihanouk International Airport (KOS)

  • Once your flight from Bangkok to Sihanouk International Airport has landed, unwind at a hotel close by. Sihanouk City View Condominium is a good option that's not too far from KOS.

Getting from Sihanouk International Airport (KOS) to central Sihanoukville

  • From Sihanouk International Airport, Sihanoukville is approximately 24 kilometres away. It takes around 45 minutes to reach the centre driving.

How to find the cheapest flights from Bangkok to Sihanouk International Airport (KOS)

  • For a one-way ticket from Bangkok to Sihanouk International Airport, $159 is the cheapest price. You can also book a return trip starting from $387. These are currently the lowest fares but may change depending on availability.

  • Don't leave things to the last minute. You're more likely to find flight tickets from Bangkok to KOS if you book in advance. Airlines often have some great early bird rates.

  • Getting flight tickets from Bangkok to Sihanouk International Airport is more likely if you're flexible with your dates. Check out the 'Whole month' search tool to see the best prices across every month and bag a great deal.

  • Log into your online account or use the app to set up a Price Alert. We'll let you know right away if there's a better deal on this route. It's simple to do, and it'll save you from looking for flight tickets from Bangkok to KOS every day.

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

The best time to fly from Bangkok to Sihanouk International Airport (KOS)

  • August is the most popular month for flights from Bangkok to Sihanouk International Airport. To skip the crowds, visit Sihanoukville in April when things are quieter.

  • Lock in your flight from Bangkok to KOS for May if you're eager to visit the city during its warmest month. You can expect temperatures in Sihanoukville to range from 25ºC to 31ºC.

  • January sees average temperatures of between 23ºC and 29ºC. Search for cheap flights from Bangkok to Sihanouk International Airport around that time if you want to travel in cooler conditions.

More about Sihanoukville

  • Start your Sihanoukville trip off on the right foot by choosing the perfect place to stay. As soon as you've booked your flight from Bangkok to Sihanouk International Airport, browse our range of accommodation options including:

  • One of the best ways to experience Sihanoukville is to explore its leading attractions. Highlights include Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.

Complete your Sihanoukville trip with a car rental

  • After you've locked in your hotel and cheap flight from Bangkok to Sihanouk International Airport, the next step is choosing one of our car rentals in Sihanoukville. Check out the offers and instantly compare options on price, pick-up convenience, fuel policies, and more.

Plan the rest of your trip from Bangkok to Sihanoukville

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