S$401 Cheap Flights from Sihanoukville to Bangkok

View S$401 flight on Thu, 7 May, 2026Opens in a new window

Popular airlines from Sihanoukville (KOS) to Don Mueang Intl. Airport (DMK)

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Cheap Flights from Sihanoukville to Bangkok (KOS-DMK)

Prices were available within the past 7 days and start at S$401 for one-way flights and S$774 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

AirAsia Cambodia
Thu, 28 May - Sun, 31 May
KOS
Sihanoukville
DMK
Bangkok
S$774 Return, found 5 days ago
S$774
Return
found 5 days ago
Select AirAsia Cambodia flight, departing Thu, 28 May from Sihanoukville to Bangkok, returning Sun, 31 May, priced at S$774 found 5 days ago
AirAsia Cambodia
Thu, 28 May - Sun, 31 May
KOS
Sihanoukville
DMK
Bangkok
S$800 Return, found 5 days ago
S$800
Return
found 5 days ago
Select AirAsia Cambodia flight, departing Thu, 28 May from Sihanoukville to Bangkok, returning Sun, 31 May, priced at S$800 found 5 days ago
AirAsia Cambodia
Thu, 28 May - Sun, 31 May
KOS
Sihanoukville
DMK
Bangkok
S$803 Return, found 5 days ago
S$803
Return
found 5 days ago
Select AirAsia Cambodia flight, departing Thu, 28 May from Sihanoukville to Bangkok, returning Sun, 31 May, priced at S$803 found 5 days ago
AirAsia Cambodia
Thu, 28 May - Sun, 31 May
KOS
Sihanoukville
DMK
Bangkok
S$876 Return, found 5 days ago
S$876
Return
found 5 days ago
Select AirAsia Cambodia flight, departing Thu, 28 May from Sihanoukville to Bangkok, returning Sun, 31 May, priced at S$876 found 5 days ago
AirAsia Cambodia
Thu, 28 May - Sun, 31 May
KOS
Sihanoukville
DMK
Bangkok
S$902 Return, found 5 days ago
S$902
Return
found 5 days ago
Select AirAsia Cambodia flight, departing Thu, 28 May from Sihanoukville to Bangkok, returning Sun, 31 May, priced at S$902 found 5 days ago
AirAsia Cambodia
Thu, 28 May - Sun, 31 May
KOS
Sihanoukville
DMK
Bangkok
S$903 Return, found 5 days ago
S$903
Return
found 5 days ago
Select AirAsia Cambodia flight, departing Thu, 28 May from Sihanoukville to Bangkok, returning Sun, 31 May, priced at S$903 found 5 days ago
AirAsia Cambodia
Thu, 28 May - Sun, 31 May
KOS
Sihanoukville
DMK
Bangkok
S$904 Return, found 5 days ago
S$904
Return
found 5 days ago
Select AirAsia Cambodia flight, departing Thu, 28 May from Sihanoukville to Bangkok, returning Sun, 31 May, priced at S$904 found 5 days ago
AirAsia Cambodia
Thu, 28 May - Sun, 31 May
KOS
Sihanoukville
DMK
Bangkok
S$929 Return, found 5 days ago
S$929
Return
found 5 days ago
Select AirAsia Cambodia flight, departing Thu, 28 May from Sihanoukville to Bangkok, returning Sun, 31 May, priced at S$929 found 5 days ago
AirAsia Cambodia
Thu, 28 May - Sun, 31 May
KOS
Sihanoukville
DMK
Bangkok
S$931 Return, found 5 days ago
S$931
Return
found 5 days ago
Select AirAsia Cambodia flight, departing Thu, 28 May from Sihanoukville to Bangkok, returning Sun, 31 May, priced at S$931 found 5 days ago
AirAsia Cambodia
Thu, 28 May - Sun, 31 May
KOS
Sihanoukville
DMK
Bangkok
S$1,152 Return, found 5 days ago
S$1,152
Return
found 5 days ago
Select AirAsia Cambodia flight, departing Thu, 28 May from Sihanoukville to Bangkok, returning Sun, 31 May, priced at S$1,152 found 5 days ago
AirAsia Cambodia
Thu, 28 May - Sun, 31 May
KOS
Sihanoukville
DMK
Bangkok
S$1,254 Return, found 5 days ago
S$1,254
Return
found 5 days ago
Select AirAsia Cambodia flight, departing Thu, 28 May from Sihanoukville to Bangkok, returning Sun, 31 May, priced at S$1,254 found 5 days ago
AirAsia Cambodia
Thu, 28 May - Sun, 31 May
KOS
Sihanoukville
DMK
Bangkok
S$1,281 Return, found 5 days ago
S$1,281
Return
found 5 days ago
Select AirAsia Cambodia flight, departing Thu, 28 May from Sihanoukville to Bangkok, returning Sun, 31 May, priced at S$1,281 found 5 days ago

Frequently asked questions

How much is a flight from KOS to DMK?
The lowest price advertised for a round-trip flight between Sihanouk Intl. Airport and Don Mueang Intl. Airport (DMK) is S$774. But you better move fast. This figure is taken from fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from KOS to Don Mueang Airport?
We understand that circumstances change unexpectedly, so we've made it as simple as possible for you to cancel your flight online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from KOS to Don Mueang Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Sihanoukville Airport (KOS) to DMK flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sihanoukville Airport (KOS) to Don Mueang Airport?
You won't need a lengthy novel for this flight — it's just 500 kilometres from Preah Sihanouk to Bangkok. Find your seat, enjoy the in-flight service and you'll be in Bangkok before you know it.
Which airlines fly direct from Sihanouk Intl. Airport to Don Mueang Intl. Airport (DMK)?
Check out the deals on offer with Thai AirAsia (FD) if you want to travel straight from Sihanoukville Airport (KOS) to Don Mueang Airport. This top carrier operates 17 monthly flights, so you're sure to find one that fits your travel plans.
Are Sihanouk Intl. Airport to DMK flight tickets cheaper when they're purchased at the last minute?
Flight prices are always on the move, so there are no guarantees. While last-minute deals between Sihanoukville Airport (KOS) and DMK are possible, it also makes sense to keep track of prices well before you fly. In fact, some airlines publish their prices up to a year prior to the departure date. Expedia is constantly updating the biggest bargains around, so keep checking and be ready to grab your seat when fare prices drop.

Travel information

Origin airport
Sihanoukville
Destination airport
Don Mueang Intl.
Return price
S$774
Distance
493 km

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