฿1,588 Cheap Flights from Bangkok (DMK) to Sihanoukville (KOS)

View ฿1,588 flight on Wed, 1 Oct 2025Opens in a new window

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

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 40% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

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

Prices were available within the past 7 days and start at ฿1,588 for one-way flights and ฿5,057 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Mon, 29 Dec - Sun, 4 Jan
DMK
Bangkok
KOS
Sihanoukville
฿5,057 Return, found 1 day ago
฿5,057
Return
found 1 day ago
Select Thai AirAsia flight, departing Mon, 29 Dec from Bangkok to Sihanoukville, returning Sun, 4 Jan, priced at ฿5,057 found 1 day ago
Thai AirAsia
Sun, 28 Dec - Sun, 4 Jan
DMK
Bangkok
KOS
Sihanoukville
฿5,126 Return, found 3 days ago
฿5,126
Return
found 3 days ago
Select Thai AirAsia flight, departing Sun, 28 Dec from Bangkok to Sihanoukville, returning Sun, 4 Jan, priced at ฿5,126 found 3 days ago
AirAsia
Mon, 14 Jul - Fri, 10 Oct
DMK
Bangkok
KOS
Sihanoukville
฿8,109 Return, found 4 days ago
฿8,109
Return
found 4 days ago
Select AirAsia flight, departing Mon, 14 Jul from Bangkok to Sihanoukville, returning Fri, 10 Oct, priced at ฿8,109 found 4 days ago
AirAsia
Mon, 14 Jul - Fri, 10 Oct
DMK
Bangkok
KOS
Sihanoukville
฿8,173 Return, found 4 days ago
฿8,173
Return
found 4 days ago
Select AirAsia flight, departing Mon, 14 Jul from Bangkok to Sihanoukville, returning Fri, 10 Oct, priced at ฿8,173 found 4 days ago
AirAsia
Mon, 14 Jul - Fri, 10 Oct
DMK
Bangkok
KOS
Sihanoukville
฿8,326 Return, found 4 days ago
฿8,326
Return
found 4 days ago
Select AirAsia flight, departing Mon, 14 Jul from Bangkok to Sihanoukville, returning Fri, 10 Oct, priced at ฿8,326 found 4 days ago
AirAsia
Mon, 14 Jul - Fri, 10 Oct
DMK
Bangkok
KOS
Sihanoukville
฿8,428 Return, found 4 days ago
฿8,428
Return
found 4 days ago
Select AirAsia flight, departing Mon, 14 Jul from Bangkok to Sihanoukville, returning Fri, 10 Oct, priced at ฿8,428 found 4 days ago
Thai AirAsia
Mon, 14 Jul - Fri, 10 Oct
DMK
Bangkok
KOS
Sihanoukville
฿8,521 Return, found 4 days ago
฿8,521
Return
found 4 days ago
Select Thai AirAsia flight, departing Mon, 14 Jul from Bangkok to Sihanoukville, returning Fri, 10 Oct, priced at ฿8,521 found 4 days ago
Thai AirAsia
Sun, 28 Dec - Sun, 4 Jan
DMK
Bangkok
KOS
Sihanoukville
฿9,974 Return, found 3 days ago
฿9,974
Return
found 3 days ago
Select Thai AirAsia flight, departing Sun, 28 Dec from Bangkok to Sihanoukville, returning Sun, 4 Jan, priced at ฿9,974 found 3 days ago
AirAsia
Mon, 29 Dec - Sun, 4 Jan
DMK
Bangkok
KOS
Sihanoukville
฿10,098 Return, found 1 day ago
฿10,098
Return
found 1 day ago
Select AirAsia flight, departing Mon, 29 Dec from Bangkok to Sihanoukville, returning Sun, 4 Jan, priced at ฿10,098 found 1 day ago
AirAsia
Mon, 29 Dec - Sun, 4 Jan
DMK
Bangkok
KOS
Sihanoukville
฿10,162 Return, found 1 day ago
฿10,162
Return
found 1 day ago
Select AirAsia flight, departing Mon, 29 Dec from Bangkok to Sihanoukville, returning Sun, 4 Jan, priced at ฿10,162 found 1 day ago
Flight from Bangkok to Sihanoukville route information
Origin airport
Don Mueang Intl.
Destination airport
Sihanoukville
Airlines serving
Thai AirAsia
Return price
฿5,057
Distance
493 km

Perfect flights from Bangkok to Sihanoukville

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Bangkok to Sihanoukville. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of , surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Don Mueang Intl. to Sihanoukville ticket options cater to your travel preferences, with incredible one-way fares from ฿1,588 and roundtrip prices from ฿5,057. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Sihanoukville and explore and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your to travel arrangements today and embark on the journey of a lifetime in Sihanoukville.

Frequently asked questions

How much is a flight from Don Mueang Airport to Sihanouk Intl. Airport?
Within the past 7 days on Expedia, for flights departing within the next year, the lowest price available for a round-trip journey from Don Mueang Intl. Airport (DMK) to Sihanoukville Airport (KOS) was ฿5,057. Cheap tickets don't hang around forever, so make sure you book yours ASAP. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Don Mueang Airport to Sihanouk Intl. Airport?
We get that circumstances change unexpectedly, so we've made it as simple as possible for you to cancel your trip online. Just head to the Customer Service Portal and follow the instructions.
How do I find cheap flights from DMK to 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 Don Mueang Airport to Sihanouk Intl. Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from DMK to Sihanouk Intl. Airport?
That new movie you've been eager to see will just have to wait --- the flight distance between DMK (DMK) and Sihanouk Intl. Airport (KOS) is only 500 kilometres. The captain will be asking you to buckle up for landing before you know it.
Which airlines fly direct from Don Mueang Airport to Sihanoukville Airport (KOS)?
Thai AirAsia (FD) will fly you from Don Mueang Intl. Airport (DMK) to Sihanoukville Airport (KOS) safely and comfortably. Take your pick of 17 flights every month on this route.
Are Don Mueang Airport to Sihanoukville Airport (KOS) flight tickets cheaper when they're purchased at the last minute?
Booking your trip from Don Mueang Airport to KOS at the last minute could be your ticket to an awesome deal. However, it could end up costing a great deal more! If you'd rather avoid the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred carrier hasn't released tickets yet, check back regularly as deals are updated all the time on Expedia.

Explore a world of travel with Expedia

Bangkok Airports

Bangkok

Don Mueang Intl. to Sihanoukville
฿5,056.52
Suvarnabhumi Intl. to Sihanoukville
฿11,820.00
*Available to Expedia members.