Flights from Bangkok Don Mueang to Koh Samui

Our cheapest offers for flights from Bangkok Don Mueang to Koh Samui

Here you can compare cheap flights from Bangkok Don Mueang (DMK) to Koh Samui (USM) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Koh Samui. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Bangkok-Don Mueang
Koh Samui
Outbound
02/08/26
direct
PG0455
01h 35min
Return
-
Bangkok Airways
$154
Bangkok-Don Mueang
Koh Samui
Please note: transfer for connecting flight
Outbound
02/13/26
1 Stopover (HKT)
DD0532, PG0254
18h 30min
Return
02/26/26
1 Stopover (HKT)
PG0403, DD0539
13h 05min
Nok Air, Bangkok Airways
$330
Best option
Bangkok-Don Mueang
Koh Samui
Outbound
02/13/26
direct
PG0455
01h 35min
Return
02/26/26
direct
PG0452
01h 35min
Bangkok Airways ?
$360
Bangkok-Don Mueang
Koh Samui
Outbound
02/13/26
direct
PG0455
01h 35min
Return
02/26/26
direct
PG0452
01h 35min
Bangkok Airways
$383
Bangkok-Don Mueang
Koh Samui
Outbound
02/13/26
direct
PG0455
01h 35min
Return
02/26/26
direct
PG0454
01h 35min
Bangkok Airways ?
$380
Bangkok-Don Mueang
Koh Samui
Outbound
11/24/25
direct
PG0455
01h 35min
Return
12/08/25
direct
PG0454
01h 35min
Bangkok Airways ?
$454
Bangkok-Don Mueang
Koh Samui
Outbound
02/13/26
direct
PG0451
01h 35min
Return
02/26/26
direct
PG0450
01h 35min
Bangkok Airways ?
$493
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Bangkok Don Mueang to Koh Samui

Favorite airline: Bangkok Airways
Flight tickets on the route Bangkok-Don Mueang – Koh Samui are most frequently booked with Bangkok Airways.
Bangkok Airways
83 %
Thai AirAsia
17 %
Direct flights are cheaper
Flights with a stopover are on average $175.00 more expensive than direct flights.
non stop flight
1 stop
01h 30min
04h 20min
US$233
US$408
The favorite connection is non-stop
Flights from Bangkok-Don Mueang to Koh Samui are most often booked as a direct flight.
Route
bookings
Direct flights
01h 30min, from US$233
67 %
1 stopover Krabi
04h 20min, from US$408
33 %

Important flight information

Flight information: Bangkok-Don Mueang - Koh Samui

Cheapest outbound flight from US$153.08
Roundtrip from US$329.29
Distance 490 km
Departure airport Airport Bangkok-Don Mueang (DMK)
Departure country Flights from Thailand
Arrival airport Airport Koh Samui (USM)
Destination country Flights to Thailand
Alternative routes to Thailand
Alternative flights to Koh Samui