Question 1

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

Accepted Answer

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.

Question 2

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

Accepted Answer

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. Thursday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Question 3

Weekly flight availability from Bangkok Don Mueang Intl Airport to Ko Samui

Accepted Answer

The most flights from DMK to USM are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

Question 4

E

Accepted Answer

In terms of precipitation, rainfall in Ko Samui ranges from 2.3 - 19.3 inches per month. November is typically the wettest month, when rainfall can reach 19.3 in. February is typically the driest time to visit Ko Samui when rainfall is around 2.3 in.

Question 5

E

Accepted Answer

If weather is an important factor for your trip to Ko Samui, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 80.6 F).

Question 6

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

Accepted Answer

Users have found that leaving on a Monday can be a cost-effective option. It’s possible to save up to 44% on your flight compared to booking on days when demand is much higher.

Question 7

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

Accepted Answer

Find a great deal and save up to 3% by booking at least 42 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Bangkok Don Mueang Intl Airport to Ko Samui within the next two weeks, with the cheapest ticket starting at $254.

Question 8

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

Accepted Answer

The best pricing can be found in the month of September. Prices to Ko Samui from Bangkok Don Mueang Intl Airport average $240. You can even find prices in September for less than $240, as users have found deals to Ko Samui from as low as $127. The month of August appears to be one of the more expensive times to travel to Ko Samui from Bangkok Don Mueang Intl Airport. Flying in the targeted month can save you up to 17%.

Question 9

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

Accepted Answer

It’s optimal to fly from Bangkok Don Mueang Intl Airport to Ko Samui in the afternoon. By choosing this option you can save up to 14% on the cost of your flight, compared to a flight at noon.

Question 10

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

Accepted Answer

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.

Question 11

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

Accepted Answer

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

Question 12

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

Accepted Answer

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.

Question 13

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

Accepted Answer

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.

Popular in	July
Cheapest in	June
Average price	$313
Good round-trip deal	$190 or less
Good one-way deal	$130 or less

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

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Cheapflights Tip: The best prices from Bangkok Don Mueang Intl to Ko Samui are usually found in June or March, booked 46 days in advance, depart on a Tuesday or Wednesday and return on a Thursday

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

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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 July 25, 2025.

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 July 29, 2025.

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 July 27, 2025.

Weekly flight availability from Bangkok Don Mueang Intl Airport to Ko Samui

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?

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

How can I 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?

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