Cheap Flights from Sihanoukville to Bangkok

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 round-trip flight from Sihanoukville Airport to Bangkok? If you want to travel next month, round-trip fares start from AED 1,501. Find the lowest prices on one-way and round-trip 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 January.

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 foundAED 718
Cheapest month to flyJanuary

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 round-trip flight from Sihanoukville to Bangkok is AED 1,456. 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 AED 1,456.
There are no flights flying from Sihanoukville to Bangkok, as of April 2026.
The cheapest month to fly from Sihanoukville to Bangkok is usually March.
If you're flying from Sihanoukville Airport, the cheapest airport near Bangkok is Don Mueang – which is 21.5 km away from the center of Bangkok. We've found flights to this airport from AED 1,456.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sihanoukville Airport to Bangkok on Wednesday, March 3, 2027.
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.

Traveling from Sihanoukville International Airport (KOS) to Bangkok: what you need to know

  • The average duration of a direct flight from Sihanoukville International Airport to Bangkok is 55 minutes.

  • Bangkok and Sihanoukville (where Sihanoukville International Airport is located) are in the UTC+7 timezone. That means you won't need to account for any time differences.

  • Sihanoukville International Airport (KOS) to Bangkok Suvarnabhumi International Airport (BKK) is the busiest route. When looking for your flight, you can choose from two services every week between KOS and BKK.

  • For a relaxed start to your KOS to Bangkok flight, allow plenty of time for things like check-in and baggage drop. Turning up two hours ahead of international departures and an hour before domestic flights is the standard rule.

  • You can expect longer queues in popular months like November. Arriving up to four hours in advance for an international flight and two hours for a domestic departure will give you plenty of time for security and boarding.

  • Direct Sihanoukville International Airport to Bangkok tickets are available for booking. Bangkok Suvarnabhumi International Airport (BKK) is where you'll be landing.

  • Cambodia Angkor Air is a leading airline that operates direct flights from Sihanoukville International Airport to Bangkok.

  • Consider adding a stopover to potentially score a cheaper plane ticket from KOS to Bangkok. Simply uncheck 'Direct flights only' during your search. Take a break (and maybe save some cash) by stopping at one of these connecting airports:

    • Kuala Lumpur International Airport (KUL)

    • Ho Chi Minh Tan Son Nhat International Airport (SGN)

    • Siem Reap Angkor Airport (SAI)

  • The journey from central Sihanoukville to KOS takes about 35 minutes by public transport. If you ride-share, drive or get a cab, you'll cover the 14 kilometers in 20 minutes or so, depending on traffic conditions.

  • Planning to catch an early flight from Sihanoukville International Airport to Bangkok? Avoid the stress of rushing to the terminal (and sneak in some extra precious sleep) by choosing one of these stays close to KOS:

  • Of the departures from Sihanoukville International Airport, 64% land on schedule at their destination.

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

  • AED 718 is currently the best price for a one-way Sihanoukville International Airport to Bangkok flight. A return plane ticket starts at AED 1,456. These prices can change depending on demand.

  • To pick up cheap flights from KOS to Bangkok, book in advance. Airlines generally offer lower fares when tickets first go on sale.

  • If you can be flexible with your travel dates, check out the 'Whole month' search tool. It'll give you the lowest price across each month when looking for a Sihanoukville International Airport to Bangkok ticket.

  • Stay on top of deals for cheap flights from KOS to Bangkok by setting up a Price Alert. We'll send you an email or notification through the app when a special offer becomes available.

  • Find an affordable flight from Sihanoukville International Airport to Bangkok with the help of our filters. Choose your ideal duration, departure time and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Bangkok

Bangkok Suvarnabhumi International Airport (BKK)

  • Bangkok Suvarnabhumi International Airport (BKK) is around 31 kilometers from central Bangkok. If you're opting for a ride-share or a cab, the drive takes roughly 35 minutes.

  • Getting to the center on public transport takes around 35 minutes.

  • Consider staying in a hotel close to BKK if you're coming in on a late flight from Sihanoukville International Airport to Bangkok. Select one of these options and make your first night all about catching up on rest:

  • To get the best deal, reserve your ride from Bangkok Suvarnabhumi International Airport about four weeks ahead of your flight from KOS to Bangkok.

Bangkok Don Mueang International Airport (DMK)

  • After your flight from Sihanoukville International Airport to Bangkok has arrived, you can reach the city center in about 35 minutes by car. Central Bangkok is roughly 24 kilometers from Bangkok Don Mueang International Airport (DMK).

  • If you choose to travel on public transport, the ride to the center will take you 1 hour 5 minutes or so.

  • After stepping off your KOS to Bangkok flight, rest your head at a hotel near DMK. These are some great options that'll help you slip into relaxation mode:

  • Avoid last-minute price surges. Booking your ride three weeks ahead of your arrival at DMK can land you a better rate.

Best time to go to Bangkok

  • May is the quietest month for flights from Sihanoukville International Airport to Bangkok, while February is the busiest. Find the ideal time to visit Bangkok based on whether you like a laid-back vibe or a more bustling atmosphere.

  • Before booking a Sihanoukville International Airport to Bangkok plane ticket, think about what kind of weather works for you. April is the warmest month in Bangkok, with temperatures ranging from 26ºC (79ºF) to 37ºC (99ºF).

  • If you want to travel in cooler conditions, look for a cheap ticket from KOS to Bangkok in January when temperatures average between 19ºC (66ºF) and 34ºC (93ºF).

More about Bangkok

  • When it comes to looking for somewhere to rest your head, you'll find the top stays in Bangkok right here. Explore these options as soon as you've booked your flight from Sihanoukville International Airport to Bangkok:

  • All great vacations should include a little sightseeing. Wat Phra Kaew, Grand Palace and Songkran Festival Silom are essential stops on your Bangkok itinerary.

Explore more of Thailand

  • Udon Thani is just one of the many places in Thailand waiting to be discovered after you've seen Bangkok. Around 467 kilometers away to the northeast, top sights here include Thai-Chinese Cultural Center, Wat Pho Chai and Wat Burapa Wanaram.

  • Around 225 kilometers northeast of Bangkok, Nakhon Ratchasima is another essential stop in Thailand. Experience the best of this destination with a visit to Night Safari Korat, Wat Chai Mongkol and Wat Na Pha That.

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