Cheap Flights from Bangkok (BKK) to Sihanoukville (KOS)

View AU$391 flight on Mon, 25 May 2026Opens in a new window

Popular airlines from Suvarnabhumi International Airport (BKK) to Sihanoukville (KOS)

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Cheap Flights from Bangkok (BKK) to Sihanoukville (KOS)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Vietnam Airlines
Thu, 4 Feb - Sun, 7 Feb
BKK
Bangkok
KOS
Sihanoukville
AU$908 Return, found 2 hours ago
AU$908
Return
found 2 hours ago
Select Vietnam Airlines flight, departing Thu, 4 Feb from Bangkok to Sihanoukville, returning Sun, 7 Feb, priced at AU$908 found 2 hours ago
Vietnam Airlines
Fri, 24 Apr - Sun, 26 Apr
BKK
Bangkok
KOS
Sihanoukville
AU$913 Return, just found
AU$913
Return
just found
Select Vietnam Airlines flight, departing Fri, 24 Apr from Bangkok to Sihanoukville, returning Sun, 26 Apr, priced at AU$913 just found
Vietnam Airlines
Thu, 4 Feb - Sun, 7 Feb
BKK
Bangkok
KOS
Sihanoukville
AU$945 Return, found 2 hours ago
AU$945
Return
found 2 hours ago
Select Vietnam Airlines flight, departing Thu, 4 Feb from Bangkok to Sihanoukville, returning Sun, 7 Feb, priced at AU$945 found 2 hours ago
Vietnam Airlines
Fri, 24 Apr - Sun, 26 Apr
BKK
Bangkok
KOS
Sihanoukville
AU$952 Return, just found
AU$952
Return
just found
Select Vietnam Airlines flight, departing Fri, 24 Apr from Bangkok to Sihanoukville, returning Sun, 26 Apr, priced at AU$952 just found
Vietnam Airlines
Fri, 24 Apr - Sun, 26 Apr
BKK
Bangkok
KOS
Sihanoukville
AU$1,086 Return, just found
AU$1,086
Return
just found
Select Vietnam Airlines flight, departing Fri, 24 Apr from Bangkok to Sihanoukville, returning Sun, 26 Apr, priced at AU$1,086 just found
Vietnam Airlines
Fri, 24 Apr - Sun, 26 Apr
BKK
Bangkok
KOS
Sihanoukville
AU$1,126 Return, just found
AU$1,126
Return
just found
Select Vietnam Airlines flight, departing Fri, 24 Apr from Bangkok to Sihanoukville, returning Sun, 26 Apr, priced at AU$1,126 just found
Vietnam Airlines
Thu, 28 May - Thu, 4 June
BKK
Bangkok
KOS
Sihanoukville
AU$1,202 Return, found 5 days ago
AU$1,202
Return
found 5 days ago
Select Vietnam Airlines flight, departing Thu, 28 May from Bangkok to Sihanoukville, returning Thu, 4 June, priced at AU$1,202 found 5 days ago
Vietnam Airlines
Thu, 28 May - Thu, 4 June
BKK
Bangkok
KOS
Sihanoukville
AU$1,219 Return, found 5 days ago
AU$1,219
Return
found 5 days ago
Select Vietnam Airlines flight, departing Thu, 28 May from Bangkok to Sihanoukville, returning Thu, 4 June, priced at AU$1,219 found 5 days ago
Bangkok Airways
Fri, 1 May - Sat, 2 May
BKK
Bangkok
KOS
Sihanoukville
AU$1,229 Return, found 3 days ago
AU$1,229
Return
found 3 days ago
Select Bangkok Airways flight, departing Fri, 1 May from Bangkok to Sihanoukville, returning Sat, 2 May, priced at AU$1,229 found 3 days ago
China Eastern Airlines
Fri, 24 Apr - Sun, 26 Apr
BKK
Bangkok
KOS
Sihanoukville
AU$1,403 Return, just found
AU$1,403
Return
just found
Select China Eastern Airlines flight, departing Fri, 24 Apr from Bangkok to Sihanoukville, returning Sun, 26 Apr, priced at AU$1,403 just found

Frequently asked questions

How much is a flight from BKK to KOS?
The lowest price advertised for a round-trip journey from Suvarnabhumi Intl. Airport (BKK) to Sihanoukville Airport (KOS) is AU$908. But you better get a move on. This price is based on fares available 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 BKK to KOS?
Most flights can be conveniently cancelled online, but whether or not you are charged a fee all comes down to your airline. If you do need to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Bangkok Airport to Sihanoukville Airport (KOS) 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 BKK to Sihanouk Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from BKK to Sihanoukville Airport (KOS)?
The distance from BKK (BKK) to KOS (KOS) is only 470 kilometres. You'll be walking down the air bridge and grabbing your bags from the carousel before long.
Which airlines fly direct from Suvarnabhumi Airport to KOS?
Right now, no airlines offer direct flights from Suvarnabhumi Intl. Airport (BKK) to Sihanoukville Airport (KOS). You'll need to book a flight with at least one stop. To get the best price and connections, lock in your fare well ahead of time.
Are Suvarnabhumi Airport to Sihanoukville Airport (KOS) flight tickets cheaper when they're purchased at the last minute?
It is possible to get great last-minute deals from Suvarnabhumi Intl. Airport (BKK) to KOS, but it's also possible to miss out altogether! As many airlines publish prices up to 12 months in advance, it's worth keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares air carrier prices and updates flight deals often, so you can rest easy knowing you're always getting the latest offers.

Travel information

Origin airport
Suvarnabhumi Intl.
Destination airport
Sihanoukville
Return price
AU$907
Distance
464 km

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