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

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

Alternative airports near Bangkok

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Suvarnabhumi Intl. BKK. Cheapest option available. Average driving time to city center is 23 minutes. Flights from $511
BKK
Suvarnabhumi Intl.
Cheapest
Average driving time to city center23 min
Flights from $511

Frequently asked questions

How much does a flight from Sihanoukville Airport (KOS) to Don Mueang Intl. Airport (DMK) cost?
Secure a cheap one-way flight or cheap return flight from Sihanoukville Airport (KOS) to Don Mueang Intl. Airport (DMK) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Sihanoukville Airport (KOS) to Don Mueang Intl. Airport (DMK)?
Traveling in is a good way to save, as it's the cheapest month for flights between KOS and DMK. You'll usually find the lowest fares during the off-season.
What is the cheapest airline that flies from Sihanoukville Airport (KOS) to Don Mueang Intl. Airport (DMK)?
To find the cheapest airline flying from KOS to DMK, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Sihanoukville Airport (KOS) to Don Mueang Intl. Airport (DMK)?
You'll have to take a flight with a layover when traveling from Sihanoukville Airport (KOS) to Don Mueang Intl. Airport (DMK). There are no daily direct flights on this route. However, simply filter your search to include one or more stops to find an option that works for you.
What day of the week has the most flights from KOS to DMK?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Sihanoukville Airport (KOS) to Don Mueang Intl. Airport (DMK)?
To land at Don Mueang Intl. Airport (DMK) on schedule, pick a flight that leaves from Sihanoukville Airport (KOS) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Sihanoukville Airport (KOS) to Don Mueang Intl. Airport (DMK) last-minute?
Last-minute fares from KOS to DMK are typically more expensive. For the best rates, start searching for flights as soon as possible. That said, if your travel plans are flexible, you may land a cheap fare right before your journey.
Is it cheaper to book a KOS to DMK flight and hotel package?
You can save money by securing a KOS to DMK flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. After selecting your ideal accommodations and flights, consider adding extras including activities, car rentals and tours.
Can I cancel or change the date of my flight from Sihanoukville Airport (KOS) to Don Mueang Intl. Airport (DMK)?
In most cases, you can reschedule or cancel your KOS to DMK flight. However, there may be additional fees, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's policies and fees on flight changes, or if you'd like further details, visit our Customer Service portal.

Travel information

Origin airport
Sihanoukville
Destination airport
Don Mueang Intl.
Distance
308 mi

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Sihanoukville to Bangkok Flights

The cheapest times to fly from Sihanoukville to Bangkok

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sihanoukville to Bangkok are during the month of . You can find some of the cheapest flights from Sihanoukville to Bangkok with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Sihanoukville to Bangkok

Sunday is one of the best days to book for cheap flights from Sihanoukville to Bangkok: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Sihanoukville to Bangkok

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sihanoukville to Bangkok in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sihanoukville to Bangkok flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sihanoukville to Bangkok airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Sihanoukville to Bangkok Flights

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*Available to One Key members.