There are 5 ways to get from Udon Thani to Ko Samui by plane, bus, bus and ferry, train, ferry, night train or night bus

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  •  3 h 55 min

  1. Fly from Udon Thani (UTH) to Koh Samui (USM) UTH - USM

$123 - $314

Cheapest option

Train, ferry  •  22 h 45 min

  1. Take the train from Udon Thani to Bang Sue
  2. Take the train from Bang Sue to Suratthani Train Station
  3. Take the ferry from Lomprayah Tapee River Surat Thani City to Koh Samui Nathon Pier

$43 - $116

3 alternative options

Bus, bus and ferry  •  22 h 23 min

  1. Take the bus from Udonthani Terminal to Bangkok Mochit Terminal
  2. Take the bus and ferry from Hua Lamphong station to Koh Samui Nathon Pier

$58 - $61

Night train, train, bus and ferry  •  25 h 19 min

  1. Take the night train from Udon Thani to Hua Lamphong
  2. Take the train from Hua Lamphong to Chumphon
  3. Take the bus and ferry from Chumphon Train Station to Koh Samui Nathon Pier

$51 - $118

Night bus, bus and ferry  •  28 h 41 min

  1. Take the night bus from Udonthani to Bangkok Mochit Bus Terminal
  2. Take the bus and ferry from Ratchadamnoen Avenue to Koh Samui - Nathon

$47 - $48

Questions & Answers

No, there is no direct bus from Udon Thani to Ko Samui. However, there are services departing from Udonthani Terminal and arriving at Koh Samui Nathon Pier via Mochit 2 Bus Depot, Opposite Chatuchak Park and Hua Lamphong station. The journey, including transfers, takes approximately 22 h 23 min.

More details

The distance between Udon Thani and Ko Samui is 929 km.

The best way to get from Udon Thani to Ko Samui without a car is to bus and bus and ferry which takes 22 h 23 min and costs .

More details

It takes approximately 3 h 55 min to get from Udon Thani to Ko Samui, including transfers.

More details

Udon Thani to Ko Samui bus services, operated by Air Udon, depart from Udonthani Terminal station.

More details

There is no direct flight from Udon Thani Airport to Koh Samui Airport. The quickest flight takes 3 h 20 min and has one stopover.

Search flights

Udon Thani to Ko Samui bus services, operated by Paradive Travel, arrive at Koh Samui Nathon Pier station.

More details

Thai AirAsia, Nok Air, Thai Smile and Bangkok Airways offer flights from Udon Thani Airport to Koh Samui Airport.

Search flights

There are 1915+ hotels available in Ko Samui. Prices start at $21 USD per night.

More details

The best way to get from Udon Thani to Udon Thani Airport is to taxi which takes 8 min and costs .

More details

Map of how to get from Udon Thani to Ko Samui.
Launch map view
  • Distance: 580.5 miles
  • Duration: 3 h 55 min

What companies run services between Udon Thani, Thailand and Ko Samui, Thailand?

Thai Smile, Bangkok Airways and three other airlines fly from Udon Thani to Ko Samui hourly.

Airlines
Bangkok Airways
Website
bangkokair.com
Flights from Udon Thani to Koh Samui via Utapao
Ave. Duration
4 h 25 min
When
Every day
Estimated price
$95 - $280
Flights from Udon Thani to Koh Samui via Don Muang, Phuket
Ave. Duration
5 h 20 min
When
Monday, Wednesday, Friday and Sunday
Estimated price
$100 - $300
Train operators
State Railway of Thailand
Website
railway.co.th
Train from Udon Thani to Bang Sue
Ave. Duration
10 h 5 min
Frequency
Once daily
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 - $29
1st Class (Berth)
$30 - $45
Train from Bang Sue to Suratthani Train Station
Ave. Duration
8 h 18 min
Frequency
Hourly
Estimated price
$12 - $50
Schedules at
railway.co.th
Book at
12go.asia
3rd Class (Seat)
$5 - $9
2nd Class (Seat)
$12 - $18
2nd Class (Berth)
$22 - $29
1st Class (Berth)
$35 - $50
Night train from Udon Thani to Hua Lamphong
Ave. Duration
10 h 1 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 - $29
1st Class (Berth)
$35 - $45
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
Air Udon
Website
12go.asia
Bus from Udonthani Terminal to Bangkok Mochit Terminal
Ave. Duration
8 h
Frequency
Every 4 hours
Estimated price
$14
Schedules at
12go.asia
Nakhonchai Air
Website
nakhonchaiair.com
Bus from Udonthani to Bangkok Mochit Bus Terminal
Ave. Duration
8 h 52 min
Frequency
Every 4 hours
Estimated price
$13 - $17
Book at
nakhonchaiair.com
Paradive Travel
Website
paradivetravel.lnwshop.com
Bus and ferry from Hua Lamphong station to Koh Samui Nathon Pier
Ave. Duration
12 h 42 min
Frequency
Once daily
Estimated price
$43
Schedules at
paradivetravel.lnwshop.com
Book at
12go.asia
Songserm
Website
songserm.com
Bus and ferry from Chumphon Train Station to Koh Samui Nathon Pier
Ave. Duration
7 h 15 min
Frequency
Once daily
Estimated price
$28
Schedules at
songserm.com
Book at
12go.asia
Sawadee Esan
Website
12go.asia
Night bus from Udonthani to Bangkok Mochit Bus Terminal
Ave. Duration
9 h 30 min
Frequency
Twice daily
Estimated price
$16
Schedules at
12go.asia
Book at
12go.asia
Krungsiam Tour
Website
krungsiamtour.com
Bus and ferry from Ratchadamnoen Avenue to Koh Samui - Nathon
Ave. Duration
17 h 30 min
Frequency
Once daily
Estimated price
$31
Schedules at
12go.asia
Ferry operators

Want to know more about travelling around the world?

Rome2rio's Travel Guide series provide vital information for the global traveller. Read our range of informative guides on popular transport routes and companies - including Need to know: Jadrolinija, Need to know: Eurostar and Travelling to the US: What do I need to know? - to help you get the most out of your next trip.