Ko Samui Airport Code

Ko Samui has one major airport Samui Airport, whose IATA airport code is USM.

Samui Airport

IATA code	USM
ICAO code	VTSM

Airport codes for other cities in Thailand

City
Bangkok
Buri Ram
Chiang Mai
Chiang Rai
Chumphon
Hat Yai
Hua Hin
Khon Kaen
Ko Samui
Krabi
Lampang
Loei
Mae Hong Son
Mae Sot
Nakhon Phanom
Nakhon Si Thammarat
Nan
Narathiwat
Phetchabun
Phitsanulok
Phuket
Ranong
Rayong
Roi Et
Sakon Nakhon
Sukhothai
Surat Thani
Surin
Trang
Trat
Ubon Ratchathani
Udon Thani