Cheap Flights from Bangkok to Sihanoukville

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 Airport

Looking for a cheap last-minute deal or the best return flight from Bangkok to Sihanoukville Airport? If you want to travel next month, return fares start from $791. Find the lowest prices on one-way and return tickets right here.

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 June.

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$322
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 $665. 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 $660.
As of March 2026, there are no flights flying from Bangkok to Sihanoukville.
The cheapest month to fly from Bangkok to Sihanoukville is usually June.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Bangkok to Sihanoukville Airport on Friday, 26 June 2026.
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 BatikAir Malaysia .

Flying from Bangkok to Sihanoukville International Airport (KOS): What you need to know

  • Planning your trip begins with figuring out where you'll fly out of in Bangkok. Bangkok Suvarnabhumi International Airport (BKK) is the city's main airport, so check out your options for reserving a flight from Bangkok to Sihanoukville International Airport (KOS) leaving from here.

  • Take off on a direct Bangkok to Sihanoukville International Airport flight and you'll be in the air for an average of 55 minutes.

  • Bangkok and Sihanoukville (where Sihanoukville International Airport is located) share the UTC+7 timezone. That means you won't have to adjust your watch once you land.

  • Pick from 2 direct weekly services between Bangkok Suvarnabhumi International Airport (BKK) and Sihanoukville International Airport (KOS). This is the most popular route when departing from Bangkok.

  • To ensure you get on your flight from Bangkok to KOS, allow plenty of time to check in and drop off your luggage. Turning up two hours before international departures and an hour before domestic flights is the general travel rule.

  • Popular months like February or other busy periods mean longer queues 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 a domestic departure.

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

  • Bangkok Suvarnabhumi International Airport (BKK) is a convenient option for travelling directly to your destination. Nonstop flights from Bangkok to Sihanoukville International Airport (KOS) leave from this terminal.

  • Cambodia Angkor Air is a popular airline that operates direct flights from Bangkok to Sihanoukville International Airport taking off from BKK.

  • The preferred choice for passengers flying between BKK and KOS is Cambodia Angkor Air.

  • Among carriers operating on this route, Cambodia Angkor Air has the best record for on-time arrivals.

  • BKK is around 31 kilometres from central Bangkok. If you're ride-sharing, catching a taxi or driving from the centre, it'll take 35 minutes or so to get there, depending on traffic conditions. If you're planning to take public transport, expect the journey time to be around 35 minutes.

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

  • When it comes to the on-time performance of Bangkok Suvarnabhumi International Airport, data shows 73% of flights meet their scheduled arrival time.

Bangkok Don Mueang International Airport (DMK)

  • Break up your flight from Bangkok to Sihanoukville International Airport with a stop at Kuala Lumpur International Airport (KUL). A main stopover between Bangkok Don Mueang International Airport and KOS, it's a good opportunity to unwind before the next leg of your journey.

  • You can get to DMK from the centre of Bangkok in approximately 35 minutes by car, depending on traffic conditions. The ride on public transport will take roughly 1 hour 5 minutes to travel the 24 kilometres or so.

  • Got a crack-of-dawn departure? Think about staying at one of these accommodation options near Bangkok Don Mueang International Airport the day before your Bangkok to KOS flight:

  • 60% of flights leaving Bangkok Don Mueang International Airport arrive according to schedule.

About Sihanoukville International Airport (KOS)

Getting from Sihanoukville International Airport (KOS) to central Sihanoukville

  • The centre of Sihanoukville is roughly 14 kilometres from Sihanoukville International Airport. Travel times by taxi or car hire will vary depending on traffic conditions, so do a little research ahead of your trip.

  • It'll take around 35 minutes when travelling by public transport.

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

  • $322 is the best price for a one-way ticket from Bangkok to Sihanoukville International Airport. A return flight starts at $665. These fares may change depending on demand and availability.

  • Don't leave things to the last moment. You're more likely to walk away with cheap flights from Bangkok to KOS if you book in advance. Airlines often have some fantastic early bird rates.

  • The 'Whole month' search tool will show you the cheapest Bangkok to Sihanoukville International Airport tickets across the entire month. It's a great way to snap up a bargain if your travel plans are flexible.

  • There's no need to check back in every day to find out if prices have dropped when you set up a Price Alert. We'll notify you the moment a new deal shows up on plane tickets from Bangkok to KOS.

  • Filters make it easier to snap up a deal on your flight from Bangkok to Sihanoukville International Airport. Pick the departure times, carriers and stops that work for you. Then sort the results by 'Cheapest' to zero in on the cheapest fare fast.

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

  • December is the quietest month for flights from Bangkok to Sihanoukville International Airport (KOS), while November 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.

  • Lock in a Bangkok to KOS plane ticket departing in May if you want to experience the city during its warmest month. You can expect temperatures in Sihanoukville to range from 25ºC to 31ºC.

  • January sees temperatures of between 23ºC and 29ºC. Search for cheap tickets from Bangkok to Sihanoukville International Airport around that time if you'd rather travel in cooler conditions.

More about Sihanoukville

  • Once you've booked your flight from Bangkok to Sihanoukville International Airport, find a hotel that offers the right mix of comfort and location. Make one of these accommodation options your base for exploring Sihanoukville:

  • Your Sihanoukville trip wouldn't be complete without a bit of sightseeing. Highlights you can't miss include Otres Beach, Independence Beach and Sokha Beach.

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 177 kilometres away to the northeast, check out popular attractions including Royal Palace, Genocide museum and Documentation Centre of Cambodia.

  • Battambang is another sought-after destination in Cambodia and is around 290 kilometres north of Sihanoukville. No trip is complete without experiencing Phare Ponleu Selpak, Phnom Sampeau and Sammaki Art Space.

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