Bangkok (BKK)Koh Samui (USM)
- non-stop flights:
- 23–33 per day
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $71number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
22–32 23–30 22–32 23–30 22–32 23–30 22–32 
1 1 1 1 1 1 1 Utapao (UTP)Koh Samui (USM)
- non-stop flights:
- 1 per day
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $276number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
1 1 1 1 1 1 1 Bangkok-Don Mueang (DMK)Koh Samui (USM)
- non-stop flights:
- 3 per day
- flight duration:
- at least
- Sun
- Mon
- Tue
- Wed
- Thu
- Fri
- Sat
from $154number of non-stop flights per airline and day of the week Sun Mon Tue Wed Thu Fri Sat 
3 3 3 3 3 3 3