There are 5 ways to get from Udon Thani to Ko Samui by plane, bus, bus and ferry, train or night 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  •  3 h 55 min

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

$148 - $283

Cheapest option

Bus, bus and ferry  •  23 h 9 min

  1. Take the bus from Udonthani to Bangkok Suvarnabhumi Airport Bor Khor Sor 825
  2. Take the bus and ferry from Bang Phli to Koh Samui - Nathon 393 Rayong

$32 - $62

3 alternative options

Bus, bus and ferry via Surat Thani  •  20 h 48 min

  1. Take the bus from Udonthani Terminal to Bangkok Mochit Terminal
  2. Take the bus from Bangkok Mochit Bus Terminal to Surat Thani
  3. Take the bus and ferry from Surat Thani to Koh Samui - Nathon

$36 - $49

Train, bus and ferry  •  22 h 48 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 bus and ferry from Surat Thani to Koh Samui - Nathon

$33 - $99

Night train, train, bus and ferry  •  25 h 10 min

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

$51 - $112

Questions & Answers

The cheapest way to get from Udon Thani to Ko Samui is to bus and bus and ferry which costs ฿1200 - ฿1700 and takes 20 h 48 min.

More details

The quickest way to get from Udon Thani to Ko Samui is to fly which costs ฿4900 - ฿9500 and takes 3 h 55 min.

More details

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

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

More details

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 via Bangkok Mochit Bus Terminal and Surat Thani. The journey, including transfers, takes approximately 20 h 48 min.

More details

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

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

Airlines
Thai Airways International
Website
thaiairways.com
Flights from Udon Thani to Koh Samui via Suvarnabhumi
Ave. Duration
3 h 35 min
When
Every day
Estimated price
$140 - $600
Flights from Udon Thani to Koh Samui via Suvarnabhumi, Phuket
Ave. Duration
7 h 25 min
When
Every day
Estimated price
$210 - $850
Flights from Udon Thani to Koh Samui via Don Muang, Phuket
Ave. Duration
5 h 45 min
When
Wednesday and Friday
Estimated price
$120 - $250
Flights from Udon Thani to Koh Samui via Chiang Mai, Suvarnabhumi
Ave. Duration
6 h 20 min
When
Every day
Estimated price
$220 - $900
Bangkok Airways
Website
bangkokair.com
Flights from Udon Thani to Koh Samui via Don Muang, Phuket
Ave. Duration
5 h 45 min
When
Wednesday and Friday
Estimated price
$120 - $250
Flights from Udon Thani to Koh Samui via Chiang Mai, Suvarnabhumi
Ave. Duration
6 h 20 min
When
Every day
Estimated price
$220 - $900
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 - $28
1st Class (Berth)
$30 - $45
Train from Bang Sue to Suratthani Train Station
Ave. Duration
8 h 18 min
Frequency
Every 4 hours
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 Bang Sue to Chumphon
Ave. Duration
6 h 14 min
Frequency
Hourly
Estimated price
$11 - $40
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 - $40
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
$13
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 - $16
Schedules at
www2.nakhonchaiair.com
Book at
nakhonchaiair.com
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 Bang Phli to Koh Samui - Nathon
Ave. Duration
12 h 50 min
Frequency
Twice daily
Estimated price
$18 - $40
Schedules at
iloveyellowbus.com
Suvarnabhumi Airport Bus
Website
suvarnabhumiairport.com
Bus from Udonthani to Bangkok Suvarnabhumi Airport
Ave. Duration
9 h 3 min
Frequency
Once daily
Estimated price
$13 - $21
Schedules at
bangkokairportonline.com
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

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