Cheap Flights from Sihanoukville to Bangkok

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Compare Sihanoukville to Bangkok flight deals

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

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Flight deals from Sihanoukville to Bangkok

Looking for a cheap last-minute deal or the best return flight from Sihanoukville to Bangkok? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Sihanoukville to Bangkok

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sihanoukville to Bangkok flights are currently cheapest in June.

Alternative Sihanoukville to Bangkok routes

Looking for the cheapest, fastest or easiest route from Sihanoukville to Bangkok? You could fly into the following airports instead.

Sihanoukville to Bangkok: Flight information

The things to know before you go.
Cheapest flight found256 €
Cheapest month to flyJune

Finding cheap flights from Sihanoukville to Bangkok: Frequently asked questions

There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.
The best price we found for a return flight from Sihanoukville to Bangkok is 256 €. 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 Sihanoukville to Bangkok. But we found flights with one or more stops from 256 €.
As of April 2025, there are no flights flying from Sihanoukville to Bangkok.
The cheapest month to fly from Sihanoukville to Bangkok is usually April 2025.
If you're flying from Sihanoukville Airport, the cheapest airport near Bangkok is Bangkok Suvarnabhumi – which is 28.5 km away from the centre of Bangkok. We've found flights into this airport from 256 €.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sihanoukville Airport to Bangkok on Friday, 6 June 2025.
No airlines currently offer direct flights between Sihanoukville Airport and Bangkok. 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 Bangkok 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 Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 31°C. April is typically the warmest month in Bangkok, when it usually averages around 35°C. You can expect the least rain in December. The coldest month is November, with temperatures averaging 22°C. The rainiest month is September.
Currently, AirAsia offers the cheapest flight tickets to Bangkok.

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

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

  • Give yourself plenty of time to make your flight from KOS to Bangkok. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • You can expect longer lines in popular months such as August and other peak periods. Arriving up to fours hours ahead of international flights and two hours for a domestic departure will help ensure a smooth travel experience.

  • A stopover is the perfect opportunity to take a break from travelling — and possibly even explore another city. When searching for flights from KOS to Bangkok, deselect the 'Direct flights only' box to see where you can visit along the way. Some popular options include:

    • Kuala Lumpur International Airport (KUL)

    • Siem Reap-Ankor International Airport (SAI)

    • Tan Son Nhat International Airport (SGN)

  • If you have a passport from Cambodia, you will need an embassy visa to visit Thailand. This applies when booking a cheap ticket from Sihanouk International Airport to Bangkok for tourism purposes. Requirements may be different if you're travelling for work or other reasons. Always consult official visa guidelines ahead of booking and definitely before you fly.

  • Central Sihanoukville to KOS is approximately 24 kilometres. Depending on traffic conditions, it'll take about 45 minutes to get there if you're ride-sharing, catching a cab or driving.

  • Spending the night in a hotel can take the hassle out of getting to the airport on time. If you want somewhere to stay before your flight from Sihanouk International Airport to Bangkok, consider Sihanouk City View Condominium. It's a quick drive from KOS.

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

  • The lowest price we've seen for a one-way ticket from Sihanouk International Airport to Bangkok is 129 €. The cheapest price for a return flight is 256 €. Remember fares may change due to demand at the time of booking.

  • To score cheap tickets from KOS to Bangkok, book early. Airlines tend to offer lower prices when flights are first made available.

  • If you're flexible with your travel dates, make the most of the 'Whole month' search tool. It'll give you the cheapest price across every month when searching for a ticket from Sihanouk International Airport to Bangkok.

  • Finding a cheap ticket from KOS to Bangkok is a breeze with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you when the price has dropped.

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

Airports in Bangkok

Suvarnabhumi Airport (BKK)

  • Suvarnabhumi Airport (BKK) to central Bangkok is approximately 32 kilometres. It takes around 35 minutes to get to the centre driving.

  • If you're taking public transport, expect a journey time of around 1 hour and 6 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Sihanouk International Airport to Bangkok. Stay at one of these accommodation options near BKK instead:

Don Mueang International Airport (DMK)

  • After your flight from Sihanouk International Airport to Bangkok has hit the tarmac, you can make your way to the city centre in about 30 minutes by car. Central Bangkok is approximately 27 kilometres from Don Mueang International Airport (DMK).

  • If you're travelling on public transport, it'll take around 1 hour and 5 minutes.

  • Place the 'Do not disturb' sign on your door and relax at a hotel near DMK. Here are a few options where you can kick back after your flight from KOS to Bangkok:

Best time to go to Bangkok

  • It's time to work out your trip dates for your flight from Sihanouk International Airport to Bangkok. July is the busiest month to visit Bangkok. If you want a more relaxed vibe, go in April.

  • Before booking a flight from Sihanouk International Airport to Bangkok, think about the kind of weather you enjoy. April is the warmest month in Bangkok, with the temperature ranging from 26ºC to 37ºC.

  • For cooler conditions, look for a cheap flight from KOS to Bangkok in December when temperatures average between 19ºC and 33ºC.

More about Bangkok

  • Start your Bangkok trip right by choosing the perfect place to stay. As soon as you've booked your flight from Sihanouk International Airport to Bangkok, check out our selection of hotels including:

  • There are so many things to see and do in this city it can be tricky to know where to begin. Grand Palace, Wat Arun and Wat Phra Kaew are leading attractions which should be on any good Bangkok itinerary.

Complete your Bangkok trip with a car rental

  • Pick one of our car rentals in Bangkok and see the sights in your own time. Easily compare options in one go to find the ideal ride after booking your hotel and cheap flights from Sihanouk International Airport to Bangkok.

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