฿1,575 Cheap Flights from Bangkok (DMK) to Sihanoukville (KOS)

View ฿1,575 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 ฿1,575 for one-way flights and ฿3,993 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Thai AirAsia
Fri, 16 Jan - Fri, 23 Jan
DMK
Bangkok
KOS
Sihanoukville
฿3,993 Return, found 3 days ago
฿3,993
Return
found 3 days ago
Select Thai AirAsia flight, departing Fri, 16 Jan from Bangkok to Sihanoukville, returning Fri, 23 Jan, priced at ฿3,993 found 3 days ago
Thai AirAsia
Fri, 10 Oct - Mon, 13 Oct
DMK
Bangkok
KOS
Sihanoukville
฿4,324 Return, found 4 days ago
฿4,324
Return
found 4 days ago
Select Thai AirAsia flight, departing Fri, 10 Oct from Bangkok to Sihanoukville, returning Mon, 13 Oct, priced at ฿4,324 found 4 days ago
Thai AirAsia
Sun, 9 Nov - Mon, 10 Nov
DMK
Bangkok
KOS
Sihanoukville
฿4,399 Return, found 3 days ago
฿4,399
Return
found 3 days ago
Select Thai AirAsia flight, departing Sun, 9 Nov from Bangkok to Sihanoukville, returning Mon, 10 Nov, priced at ฿4,399 found 3 days ago
Thai AirAsia
Fri, 2 Jan - Wed, 7 Jan
DMK
Bangkok
KOS
Sihanoukville
฿4,724 Return, found 6 hours ago
฿4,724
Return
found 6 hours ago
Select Thai AirAsia flight, departing Fri, 2 Jan from Bangkok to Sihanoukville, returning Wed, 7 Jan, priced at ฿4,724 found 6 hours ago
AirAsia
Tue, 14 Oct - Sun, 19 Oct
DMK
Bangkok
KOS
Sihanoukville
฿6,624 Return, found 6 hours ago
฿6,624
Return
found 6 hours ago
Select AirAsia flight, departing Tue, 14 Oct from Bangkok to Sihanoukville, returning Sun, 19 Oct, priced at ฿6,624 found 6 hours ago
AirAsia
Fri, 16 Jan - Fri, 23 Jan
DMK
Bangkok
KOS
Sihanoukville
฿6,630 Return, found 3 days ago
฿6,630
Return
found 3 days ago
Select AirAsia flight, departing Fri, 16 Jan from Bangkok to Sihanoukville, returning Fri, 23 Jan, priced at ฿6,630 found 3 days ago
AirAsia
Fri, 16 Jan - Fri, 23 Jan
DMK
Bangkok
KOS
Sihanoukville
฿6,694 Return, found 3 days ago
฿6,694
Return
found 3 days ago
Select AirAsia flight, departing Fri, 16 Jan from Bangkok to Sihanoukville, returning Fri, 23 Jan, priced at ฿6,694 found 3 days ago
Thai AirAsia
Fri, 16 Jan - Fri, 23 Jan
DMK
Bangkok
KOS
Sihanoukville
฿6,782 Return, found 3 days ago
฿6,782
Return
found 3 days ago
Select Thai AirAsia flight, departing Fri, 16 Jan from Bangkok to Sihanoukville, returning Fri, 23 Jan, priced at ฿6,782 found 3 days ago
AirAsia
Fri, 16 Jan - Fri, 23 Jan
DMK
Bangkok
KOS
Sihanoukville
฿6,846 Return, found 3 days ago
฿6,846
Return
found 3 days ago
Select AirAsia flight, departing Fri, 16 Jan from Bangkok to Sihanoukville, returning Fri, 23 Jan, priced at ฿6,846 found 3 days ago
AirAsia
Fri, 10 Oct - Mon, 13 Oct
DMK
Bangkok
KOS
Sihanoukville
฿6,960 Return, found 4 days ago
฿6,960
Return
found 4 days ago
Select AirAsia flight, departing Fri, 10 Oct from Bangkok to Sihanoukville, returning Mon, 13 Oct, priced at ฿6,960 found 4 days ago
Flight from Bangkok to Sihanoukville route information
Origin airport
Don Mueang Intl.
Destination airport
Sihanoukville
Return price
฿3,992
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 ฿1,575 and roundtrip prices from ฿3,993. 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 ฿3,993. 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
฿3,992.27
Suvarnabhumi Intl. to Sihanoukville
฿13,020.00
*Available to Expedia members.