Airport guide

Koh Samui AirportIATA code USM

Koh Samui Airport (USM/VTSM) is the primary air passenger gateway serving Koh Samui, Thailand in Asia. The airfield connects travelers with essential regional transit routes and operating carrier options.

samuiairportonline.com View map

Serves: Koh Samui, Thailand
Codes: USM · VTSM; IATA · ICAO
Time zone: Asia/Bangkok
Region: Asia

Airport record, updated 10 Jul 2026OurAirports, 5 Oct 2026Wikidata, 5 Oct 2026Terminals and transport not yet verifiedWhere this comes from

Koh Samui Airport (USM/VTSM) is the primary air passenger gateway serving Koh Samui, Thailand in Asia. Operating on Asia/Bangkok local time at coordinates 9.560°, 100.060°, the airfield functions as an active commercial transit hub for scheduled regional and international flights. Travelers navigating Koh Samui Airport (USM) are encouraged to confirm terminal layouts, ground transport connections into Koh Samui, and flight schedules with their operating carrier prior to travel.

Koh Samui Airport details

Airport record · 10 Jul 2026

IATA code: USM
ICAO code: VTSM
City: Koh Samui
Country: Thailand
Region: Asia
Time zone: Asia/Bangkok
Coordinates: 9.548°, 100.062°; From OurAirports
Official website: samuiairportonline.com (opens in a new tab); From Wikidata

Codes, region and time zone come from the Originfacts airport record (last updated 10 Jul 2026). Fields marked otherwise come from the dataset named on them. None are verified by hand against Koh Samui Airport’s own pages.

USM airport facts

OurAirports · Wikidata

Size class: Large airport; From OurAirports (5 Oct 2026); OurAirports’ own classification
Elevation: 20 m (64 ft); From OurAirports (5 Oct 2026)
Opened: 1989; Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026) — date of official opening
Operator: Bangkok Airways; Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026)
Passengers, 2025: 3 million; Per Wikidata (opens in a new tab) (retrieved 5 Oct 2026), citing investor.bangkokair.com (opens in a new tab)
Nearest airport with scheduled flights: Surat Thani Airport URT · 112 km; OurAirports scheduled-service flag; straight-line distance calculated

Runways at USM

OurAirports · 5 Oct 2026

Source: OurAirports (opens in a new tab) runways data (public domain), retrieved 5 Oct 2026. Not an aeronautical source — not for navigation.

One open runway, lit. The runway 17/35: 2,060 m, asphalt.

Runways at USM: length, width, surface and lighting
Runway	Length	Width	Surface	Lighting
17/35	2,060 m6,759 ft	45 m	asphalt	Lit

Routes from USM

No route records yet

Originfacts does not track any routes from USM yet, so no route records are listed here. Check current schedules with the airlines or the airport’s own site.

Terminals, transport and parking at USM

Not yet verified

Terminal assignments, ground transport into Koh Samui, parking, lounges and accessibility services have not been verified against Koh Samui Airport’s own pages yet, so none are listed here.

Check directly:samuiairportonline.com (opens in a new tab)Map of the airport location (opens in a new tab)

Before you travel

Confirm your terminal with the operating airline.
Check the check-in and bag-drop cut-off times on your booking.
Allow extra time if you need to change terminals or check bags in again.
Check your flight status before you leave for the airport.

Airports near Koh Samui

Calculated

Straight-line distances calculated from each airport’s coordinates in the Originfacts airport records. Road distances are longer.

Koh Samui Airport: common questions

Where is Koh Samui Airport?

Koh Samui Airport serves Koh Samui, Thailand. Its coordinates in OurAirports are 9.548°, 100.062°.

What are the airport codes for Koh Samui Airport?

The IATA code is USM and the ICAO code is VTSM.

What time zone is USM in?

Koh Samui Airport is in the Asia/Bangkok time zone.

What is the official website of Koh Samui Airport?

The airport’s official website is samuiairportonline.com. For questions about a booking, contact the operating airline.

How many runways does Koh Samui Airport have?

OurAirports lists one open runway at USM: 17/35 (2,060 m (6,759 ft), asphalt).

When did Koh Samui Airport open?

Wikidata gives 1989 as its official opening date.

How many passengers use Koh Samui Airport?

Wikidata records 3 million passengers for 2025, the latest year it holds.

Who operates Koh Samui Airport?

Per Wikidata, USM is operated by Bangkok Airways.

What is the elevation of Koh Samui Airport?

OurAirports gives USM’s elevation as 20 m (64 ft) above sea level.

Sources

Nothing on this page is verified by hand yet. Each section comes from the dataset below, with its date where the dataset has one. Terminal, transport and parking details are left out until they can be read from Koh Samui Airport’s own pages.

WhatSourceDate
Codes, location, time zoneOriginfacts airport record10 Jul 2026
Official websiteWikidata record (official website property) (opens in a new tab)5 Oct 2026
Coordinates, runways, type, elevationOurAirports (opens in a new tab) — public domain5 Oct 2026
Opening, operator, passengers, hubsWikidata item Q867656 (opens in a new tab) — CC05 Oct 2026
Nearby airportsCalculated from airport coordinates—
Terminals and transportNot yet verified—

Background reading:Wikipedia (opens in a new tab)Wikidata (opens in a new tab)