There are 5 ways to get from Sihanoukville to Koh Samui Airport (USM) by plane, shuttle, bus, bus and ferry or train

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2rio's travel planner.

Recommended option

Fly from Sihanoukville  •  5 h 38 min

  1. Fly from Sihanoukville (KOS) to Koh Samui (USM) KOS - USM

$125 - $718

Cheapest option

Bus, bus and ferry Krungsiam Tour  •  33 h 36 min

  1. Take the bus from Sihanoukville Virak Buntham Express to Khaosan Road Travel Mart Office
  2. Take the bus and ferry from Ratchadamnoen Avenue to Thong Sala Koh Pha Ngan

$74

3 alternative options

Shuttle to Phnom Penh, fly  •  9 h 35 min

  1. Take a shuttle bus from Sihanoukville to Phnom Penh International Airport
  2. Fly from Phnom Penh (PNH) to Koh Samui (USM) PNH - USM

$270 - $610

Bus, bus and ferry  •  24 h 32 min

  1. Take the bus from Sihanoukville Virak Buntham Express to Khaosan Road Travel Mart Office
  2. Take the bus and ferry from Lomprayah Bus Station Khao San to Koh Samui Mae Nam Catamaran

$87 - $90

Bus, train, bus and ferry  •  29 h 44 min

  1. Take the bus from Sihanoukville Virak Buntham Express to Khaosan Road Travel Mart Office
  2. Take the train from Hua Lamphong to Chumphon
  3. Take the bus and ferry from Chumphon Train to Ko Phangan

$81 - $115

Questions & Answers

No, there is no direct bus from Sihanoukville to Koh Samui Airport (USM). However, there are services departing from Sihanoukville Virak Buntham Express and arriving at Koh Samui Airport via National Theatre, Ratchadamnoen Avenue and Thong Sala Koh Pha Ngan. The journey, including transfers, takes approximately 33 h 36 min.

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The distance between Sihanoukville and Koh Samui Airport (USM) is 397 km.

The best way to get from Sihanoukville to Koh Samui Airport (USM) without a car is to bus and bus and ferry which takes 24 h 32 min and costs .

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It takes approximately 5 h 38 min to get from Sihanoukville to Koh Samui Airport (USM), including transfers.

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Sihanoukville to Koh Samui Airport (USM) bus services, operated by Virak Buntham, depart from Sihanoukville Virak Buntham Express station.

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There is no direct flight from Sihanoukville Airport to Koh Samui Airport. The quickest flight takes 6 h 50 min and has two stopovers.

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Sihanoukville to Koh Samui Airport (USM) bus services, operated by Krungsiam Tour, arrive at Thong Sala Koh Pha Ngan station.

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Jetstar Pacific Airlines, Lanmei Airlines, AirAsia and seven other airlines offer flights from Sihanoukville Airport to Koh Samui Airport.

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There are 1942+ hotels available in Koh Samui Airport (USM). Prices start at $21 USD per night.

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The best way to get from Sihanoukville to Sihanoukville Airport is to taxi which takes 18 min and costs .

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Map of how to get from Sihanoukville to Koh Samui Airport (USM).
Launch map view
  • Distance: 248.3 miles
  • Duration: 5 h 38 min

What companies run services between Sihanoukville, Cambodia and Koh Samui Airport (USM), Thailand?

Cambodia Angkor Air, Jetstar Pacific Airlines and 11 other airlines fly from Sihanoukville to Koh Samui Airport (USM) hourly.

Airlines
Bangkok Airways
Website
bangkokair.com
Flights from Sihanoukville to Koh Samui via Siem Reap, Suvarnabhumi
Ave. Duration
6 h 52 min
When
Every day
Estimated price
$290 - $1,100
Flights from Sihanoukville to Koh Samui via Kuala Lumpur, Suvarnabhumi
Ave. Duration
7 h 55 min
When
Monday, Wednesday, Friday and Sunday
Estimated price
$250 - $1,200
Flights from Sihanoukville to Koh Samui via Ho Chi Minh City, Singapore Changi
Ave. Duration
10 h 45 min
When
Wednesday, Friday and Sunday
Estimated price
$350 - $1,200
Flights from Sihanoukville to Koh Samui via Phnom Penh, Suvarnabhumi
Ave. Duration
5 h 20 min
When
Wednesday, Friday and Sunday
Estimated price
$110 - $700
Flights from Phnom Penh to Koh Samui via Suvarnabhumi
Ave. Duration
3 h 32 min
When
Every day
Estimated price
$290 - $850
Flights from Phnom Penh to Koh Samui via Suvarnabhumi, Phuket
Ave. Duration
6 h 10 min
When
Every day
Estimated price
$290 - $850
Malaysia Airlines
Website
malaysiaairlines.com
Flights from Sihanoukville to Koh Samui via Kuala Lumpur, Suvarnabhumi
Ave. Duration
7 h 55 min
When
Monday, Wednesday, Friday and Sunday
Estimated price
$250 - $1,200
Train operators
State Railway of Thailand
Website
railway.co.th
Train from Hua Lamphong to Chumphon
Ave. Duration
6 h 36 min
Frequency
Hourly
Estimated price
$11 - $45
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$4 - $8
2nd Class (Seat)
$11 - $16
2nd Class (Berth)
$20 - $27
1st Class (Berth)
$30 - $45
Bus operators
KK Star Airport Express
Website
kkstarbus.com
Shuttle from Sihanoukville to Phnom Penh International Airport
Ave. Duration
4 h 30 min
Frequency
Once daily
Estimated price
$10
Schedules at
kkstarbus.com
Virak Buntham
Website
virakbuntham.com
Bus from Sihanoukville Virak Buntham Express to Khaosan Road Travel Mart Office
Ave. Duration
12 h 30 min
Frequency
Twice daily
Estimated price
$28
Schedules at
virakbuntham.com
Book at
12go.asia
Songserm
Website
songserm.com
Bus and ferry from Chumphon Train to Ko Phangan
Ave. Duration
6 h
Frequency
Once daily
Estimated price
$27
Schedules at
songserm.com
Book at
12go.asia
Krungsiam Tour
Website
krungsiamtour.com
Bus and ferry from Ratchadamnoen Avenue to Thong Sala Koh Pha Ngan
Ave. Duration
17 h 30 min
Frequency
Twice daily
Estimated price
$31
Schedules at
12go.asia

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