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Ko Samui

Cheap flights from Don Mueang Intl (DMK) to Ko Samui (USM)

DMK — USM
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheapflights Tip: The best prices from Bangkok Don Mueang Intl to Ko Samui are usually found in June or September, booked 46 days in advance, depart on a Wednesday or Tuesday and return on a Thursday

Cheap flight deals from Don Mueang Intl to Ko Samui

Discover tips and strategies to find the most affordable flight options for your journey from Don Mueang Intl (DMK) to Ko Samui (USM). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

December

Cheapest in

June

Average price

$242

Good round-trip deal

$246 or less

Good one-way deal

$122 or less
Provider with most accurate pricing for Bangkok Don Mueang Intl-Ko Samui flight deals.
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Provider most trusted by Cheapflights users for Bangkok Don Mueang Intl-Ko Samui flights.
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Highest demand for flights based on searches. 5% potential increase in price ($13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($5 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Price to beat on a round-trip flight from Bangkok Don Mueang Intl to Ko Samui.
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Price to beat on a one-way flight from Bangkok Don Mueang Intl to Ko Samui.
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Compare providers for flights from Don Mueang Intl to Ko Samui

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Don Mueang Intl to Ko Samui in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Bangkok Don Mueang Intl Airport-Ko Samui flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Bangkok Don Mueang Intl Airport-Ko Samui flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Bangkok Don Mueang Intl Airport-Ko Samui flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Bangkok Don Mueang Intl Airport-Ko Samui flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Bangkok Don Mueang Intl Airport-Ko Samui flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Don Mueang Intl to Ko Samui

Have a flexible travel schedule? Discover the best time to fly to Ko Samui from Don Mueang Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Bangkok Don Mueang Intl Airport to Ko Samui

How far ahead should I book a flight from Bangkok Don Mueang Intl Airport to Ko Samui?

Use this chart to determine the optimal time to book a round-trip flight from Don Mueang Intl to Ko Samui. Price data was last updated on November 7, 2025.

The best time to book flights from Bangkok Don Mueang Intl Airport to Ko Samui is 46 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Bangkok Don Mueang Intl Airport to Ko Samui?

Currently, July is the cheapest month in which you can book a flight from Bangkok Don Mueang Intl Airport to Ko Samui (average of $30). Flying from Bangkok Don Mueang Intl Airport to Ko Samui in December is currently the most expensive (average of $53). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from DMK to USM?

Find hourly flight availability from Don Mueang Intl to Ko Samui. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

It’s optimal to fly from Bangkok Don Mueang Intl Airport to Ko Samui in the morning. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from Bangkok Don Mueang Intl Airport to Ko Samui?

Use this chart to determine the cheapest time to fly round-trip from Don Mueang Intl to Ko Samui. Price data was last updated on November 2, 2025.

Travelers seeking maximum savings on their Bangkok Don Mueang Intl Airport to Ko Samui flight should consider departing on Wednesday at noon when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ko Samui

Get insights into the airlines that provide service to Ko Samui. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ko Samui. Reviews last updated November 13, 2025.
Read reviews from past customers who have flown Bangkok Airways from Bangkok Don Mueang Intl Airport to Ko Samui. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Bangkok Airways
8.0
Very good
117 reviews

Boarding

8.0

Crew

8.5

Food

7.3

Entertainment

6.2

Overall

8.0

Comfort

7.9

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.
Bangkok Airways
8.0
Very good
117 reviews
Bangkok Airways
8.0
Very good
117 reviews

Boarding

8.0

Crew

8.5

Food

7.3

Entertainment

6.2

Overall

8.0

Comfort

7.9

Reviews

1 / 7
10.0
Excellent

Douglas,May 2025

USM - HKG

Flight was as expected: up and down at the right time and location without drama. Kayak needs to modify this survey to allow for “N/A.” For example, we didn’t use the entertainment system but are forced to rate it. In this case, the results are skewed and may lead to incorrect assumptions.

Related info for your journey

Find useful and relevant information for your journey from Don Mueang Intl to Ko Samui. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Ko Samui from Bangkok Don Mueang Intl?

    For a flight from Bangkok Don Mueang Intl to Ko Samui, you will be flying into Ko Samui. Ko Samui (USM) is just 2.1 mi from the center of the city. Ko Samui is the only Ko Samui airport and it handles 3 inbound flights from Bangkok Don Mueang Intl per day. 1 airline has flights to Ko Samui from Bangkok Don Mueang Intl on a regular basis.

  • What is the cheapest airline to fly from Bangkok Don Mueang Intl Airport to Ko Samui round-trip?

    According to our current data, Bangkok Airways ($149), offers the cheapest pricing from Bangkok Don Mueang Intl Airport to Ko Samui. Users have found that Bangkok Airways is 44% cheaper than the other options available to this destination.

  • Can I find deals for flights from Don Mueang Intl to Ko Samui that include hotel bookings?

    Yes. In addition to deals on Don Mueang Intl to Ko Samui flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Don Mueang Intl to Ko Samui?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Don Mueang Intl to Ko Samui.

  • Can I find deals for business class flights from Don Mueang Intl to Ko Samui?

    Yes. Cheapflights offers flight deals from Don Mueang Intl to Ko Samui by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Bangkok Don Mueang Intl Airport to Ko Samui?

    Currently, July is the cheapest month in which you can book a flight from Bangkok Don Mueang Intl Airport to Ko Samui (average of $30). Flying from Bangkok Don Mueang Intl Airport to Ko Samui in December is currently the most expensive (average of $53). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Ko Samui?

Book flights to Ko Samui if you plan to visit one of these locations
Ko Tao
Ko Pha Ngan

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Top airline flying from Don Mueang Intl to Ko Samui

Discover the top airline that operate flights from Don Mueang Intl to Ko Samui. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Bangkok AirwaysCheapest$149Average$295FlexibilityNo cancel feeOn-time74%

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