There are 7 ways to get from Sihanoukville to Koh Samui Airport (USM) by plane, bus, night bus, bus and ferry, 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, ferry  •  38 h 57 min

  1. Take the bus from Sihanoukville Virak Buntham Express to Trat
  2. Take the bus from Khlung to Rayong 638
  3. Take the bus and ferry from Rayong to Koh Samui - Nathon
  4. Take the ferry from Koh Samui Nathon Pier to Thong Sala Koh Pha Ngan

$68 - $94

5 alternative options

Minivan to Phnom Penh, fly  •  10 h 13 min

  1. Take the Minivan from Sihanoukville CTT Transports to Phnom Penh CTT Transports
  2. Fly from Phnom Penh (PNH) to Koh Samui (USM) PNH - USM

$271 - $611

Van, night bus, bus and ferry, ferry  •  30 h 55 min

  1. Take the Van from Sihanoukville Virak Buntham Express to Phnom Penh Virak Buntham Express
  2. Take the night bus from Phnom Penh Virak Buntham Express to Bangkok Khao San Road
  3. Take the bus and ferry from Lomprayah Bus Station Khao San to Ko Tao
  4. Take the ferry from Ko Tao to Bangrak Pier Koh Samui

$91 - $95

Minivan, Mini Van, bus and ferry  •  32 h 21 min

  1. Take the Minivan from Sihanoukville CTT Transports to Phnom Penh CTT Transports
  2. Take the Mini Van from Phnom Penh to Bangkok
  3. Take the bus and ferry from Lomprayah Bus Station Khao San to Ko Phangan

$92

Train, bus and ferry  •  37 h 24 min

  1. Take the train from Sihanoukville station to Phnom Penh Station
  2. Take the train from Phnom Penh Station to Poipet
  3. Take the train from Aranyaprathet to Hua Lamphong
  4. Take the train from Hua Lamphong to Suratthani Train Station
  5. Take the bus and ferry from Surat Thani to Koh Samui - Nathon

$74 - $143

Bus, bus and ferry  •  40 h 33 min

  1. Take the bus from Sihanoukville Virak Buntham Express to Trat
  2. Take the bus from Trat Bus Station to Bangkok Mochit Bus Terminal
  3. Take the bus and ferry from Ratchadamnoen Avenue to Thong Sala Koh Pha Ngan

$72 - $78

Questions & Answers

The cheapest way to get from Sihanoukville to Koh Samui Airport (USM) is to bus and bus and ferry which costs $70 - $80 and takes 40 h 33 min.

More details

The quickest way to get from Sihanoukville to Koh Samui Airport (USM) is to fly which costs $120 - $750 and takes 5 h 38 min.

More details

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

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

More details

No, there is no direct bus from Sihanoukville to Koh Samui Airport (USM). However, there are services departing from Sihanoukville CTT Transports and arriving at Koh Samui Airport via Phnom Penh, CentralWorld, Lomprayah Bus Station Khao San and Thong Sala Koh Pha Ngan. The journey, including transfers, takes approximately 32 h 21 min.

More details

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 45 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
Ave. Duration
10 h 45 min
When
Monday, 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
Monday, Wednesday, Friday and Sunday
Estimated price
$110 - $700
Flights from Phnom Penh to Koh Samui via Suvarnabhumi
Ave. Duration
3 h 21 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
Royal Railway Cambodia
Website
royal-railway.com
Train from Sihanoukville station to Phnom Penh Station
Ave. Duration
7 h
Frequency
4 times a week
Estimated price
$7 - $10
Schedules at
royal-railway.com
Book at
baolau.com
Train from Phnom Penh Station to Poipet
Ave. Duration
9 h
Frequency
5 times a day
Estimated price
$11 - $12
Schedules at
royal-railway.com
State Railway of Thailand
Website
railway.co.th
Train from Aranyaprathet to Hua Lamphong
Ave. Duration
5 h 45 min
Frequency
Once daily
Estimated price
$9 - $35
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$3 - $6
2nd Class (Seat)
$9 - $13
2nd Class (Berth)
$18 - $24
1st Class (Berth)
$26 - $35
Train from Hua Lamphong to Suratthani Train Station
Ave. Duration
8 h 40 min
Frequency
4 times a day
Estimated price
$12 - $45
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$5 - $9
2nd Class (Seat)
$12 - $17
2nd Class (Berth)
$21 - $28
1st Class (Berth)
$35 - $45
Bus operators
CTT Transports
Website
ctt-express.com
Bus from Sihanoukville CTT Transports to Phnom Penh CTT Transports
Ave. Duration
4 h
Frequency
Hourly
Estimated price
$10
Schedules at
bookmebus.com
Virak Buntham
Website
virakbuntham.com
Bus from Sihanoukville Virak Buntham Express to Phnom Penh Virak Buntham Express
Ave. Duration
4 h
Frequency
Every 4 hours
Estimated price
$11
Schedules at
virakbuntham.com
Book at
bookmebus.com
Night bus from Phnom Penh Virak Buntham Express to Bangkok Khao San Road
Ave. Duration
13 h
Frequency
Every 4 hours
Estimated price
$26
Schedules at
virakbuntham.com
Book at
12go.asia
Bus from Sihanoukville Virak Buntham Express to Trat
Ave. Duration
12 h
Frequency
Once daily
Estimated price
$20
Schedules at
virakbuntham.com
Book at
bookmebus.com
Lomprayah
Website
lomprayah.com
Bus and ferry from Lomprayah Bus Station Khao San to Ko Tao
Ave. Duration
8 h 45 min
Frequency
Twice daily
Estimated price
$38
Schedules at
lomprayah.com
Book at
12go.asia
Bus and ferry from Lomprayah Bus Station Khao San to Ko Phangan
Ave. Duration
10 h 10 min
Frequency
Twice daily
Estimated price
$42
Schedules at
lomprayah.com
Book at
12go.asia
Mekong Express
Yellow Bus
Website
iloveyellowbus.com
Bus and ferry from Surat Thani to Koh Samui - Nathon
Ave. Duration
1 h 30 min
Frequency
Twice daily
Estimated price
$8 - $10
Schedules at
iloveyellowbus.com
Bus and ferry from Rayong to Koh Samui - Nathon
Ave. Duration
16 h 30 min
Frequency
Twice daily
Estimated price
$20 - $40
Schedules at
iloveyellowbus.com
Phetprasert Tour
Phone
056 720 720
Website
phetprasert.com
Bus from Khlung to Rayong
Ave. Duration
2 h 25 min
Frequency
Once daily
Estimated price
$4 - $6
Schedules at
phetprasert.com
Book at
12go.asia
Triple T
Website
12go.asia
Bus from Trat Bus Station to Bangkok Mochit Bus Terminal
Ave. Duration
5 h 31 min
Frequency
5 times a day
Estimated price
$12
Schedules at
12go.asia
Suvarnabhumi Airport Bus
Website
suvarnabhumiairport.com
Bus from Trat to Bangkok Bus Terminal
Ave. Duration
5 h
Frequency
Twice daily
Estimated price
$7 - $12
Schedules at
suvarnabhumiairport.com
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
$30
Schedules at
12go.asia
Ferry operators
Seatran Discovery
Website
seatrandiscovery.com
Ferry from Ko Tao to Bangrak Pier Koh Samui
Ave. Duration
2 h
Frequency
3 times a day
Estimated price
$16 - $20
Schedules at
seatrandiscovery.com
Book at
12go.asia
Ferry from Koh Samui Nathon Pier to Thong Sala Koh Pha Ngan
Ave. Duration
30 min
Frequency
3 times a day
Estimated price
$9 - $12
Schedules at
seatrandiscovery.com
Book at
12go.asia
Songserm
Website
songserm.com
Ferry from Koh Samui Nathon Pier to Thong Sala Koh Pha Ngan
Ave. Duration
45 min
Frequency
Once daily
Schedules at
songserm.com
Book at
12go.asia

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