฿2,842 Find Cheap Flights from Bangkok Don Mueang Intl to Ko Samui – Compare and Save

Only Bangkok Airways operates flights between Bangkok Don Mueang Intl Airport and Ko Samui.

Flights from Bangkok Don Mueang Intl Airport to Ko Samui usually depart from Bangkok Don Mueang Intl (DMK) and arrive at Ko Samui (USM).

Here are some options for this route, based on selected ticket types and cabin classes:

• Bangkok Airways: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Bangkok Don Mueang Intl Airport to Ko Samui.

On this route, direct flights are cheaper than stopover options on average. Direct fares average ฿9,378 return, compared with ฿10,280 via a stopover through Phuket City (HKT).

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿952–฿952 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

The ATR 42 / ATR 72 family is used most often on this route, operated mainly by Bangkok Airways. Other aircraft seen on the route include Airbus A319 variants.

Connecting flights from Bangkok Don Mueang Intl Airport to Ko Samui most commonly pass through:

• Singapore Changi (SIN) – 55% of one-stop connections
• Phuket City (HKT) – 45% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 10% on the Bangkok Don Mueang Intl Airport to Ko Samui route. Monday is the cheapest departure day at ฿9,021 return on average, while Saturday is the most expensive at ฿9,980, a difference of ฿958. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Bangkok Don Mueang Intl Airport to Ko Samui route, 11% of flights were delayed in the past 3 months, with delays averaging 1 hour 39 minutes.

Morning is the busiest departure period on Bangkok Don Mueang Intl Airport to Ko Samui flights, with 34% leaving in that window. Afternoon departures account for 33%, Evening flights for 33%, and Night flights for 0%.

Some of the most popular sights in Ko Samui are Chaweng Beach, Lamai Beach, and Hin Ta and Hin Yai Rocks. These are among the most viewed places in Ko Samui on KAYAK.

These are the earliest and latest flight times available from Bangkok Don Mueang Intl Airport to Ko Samui:

• Earliest: departs at 08:50 and lands at 10:23
• Latest: departs at 18:55 and lands at 20:28.

The flight takes about 1h 33m.

Last-minute fares on this route (booked within 2 weeks of departure) run 5% above the route average of ฿9,424. Book 20 weeks before departure for the lowest fares.

A direct flight from Bangkok Don Mueang Intl Airport to Ko Samui takes 1h 33m, covering 786 km.

No. A passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID, or another TSA-accepted form of identification.

Yes. Based on fares seen in the past 5 days, return flight prices on this route showed a wide range, from about ฿5,585 to ฿19,803. That means the highest observed fare was about 4x higher than the lowest one.

One-way fares from Bangkok Don Mueang Intl Airport to Ko Samui are currently lower than usual. Average one-way flight prices are about ฿2,981, which is 44% below the typical average for this route.

Bangkok Airways is the only airline operating Bangkok Don Mueang Intl Airport to Ko Samui flights. 89% of its flights are on time.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Phuket City (HKT) gives the shortest average 1-stop total travel time of 6h 14m, compared to 8h 26m via Singapore Changi (SIN).

Ko Samui Airport (USM) hosts 5 major car hire companies, with daily rates starting from around ฿448 for economy cars. Top options include:
• Drive Car Rental
• Alamo
• Sixt
• Enterprise Rent-A-Car
• Hertz

Return flights from Bangkok Don Mueang Intl Airport to Ko Samui range from ฿7,960 to ฿10,868, with an average of ฿9,424 over the past 12 months. Anything below ฿7,960 counts as a good deal.