Koh Samui to Bangkok

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Overview Compare Flight Bus + Ferry Train + Ferry To Stay

How to get from Koh Samui to Bangkok

The distance from Koh Samui to Bangkok is 765 km (575 miles). In this post, we compare the 3 options to travel from Koh Samui to Bangkok: by flight (1hr 15m), by bus + ferry (12.5-17.5 hours), or by train + ferry (15.5-19.5 hours). Ticket prices range from 1,080 THB ($30) to 2,000 THB ($55).

Transport modeDurationCostsAvailability
Flight1hr 15m2,000 THB ($55)Check Flights
Bus + Ferry12.5-17.5 hours1,135 THB ($31.50)Check Tickets
Train + Ferry15.5-19.5 hours1,080 THB ($30)Check Tickets

Flying is the only direct option for this route. The journey only takes a little over 1 hour, but it’s also the most expensive option at 2,000 THB ($55).

TIP: If you decide to travel by plane, please consider including a carbon compensation fee to help reduce your impact on the environment.

Tickets for a combined bus and ferry ride start at 1,135 THB ($31.50) and the journey takes 12.5-17.5 hours. If you’re willing to spend a few more dollars, you can book a quicker option to travel from Koh Samui to Bangkok in just 12.5 hours.

The journey by train takes between 15.5 to 19.5 hours but offers the advantage of getting a good night of sleep in the sleeper train. Note that this option requires several transfers, but it is the cheapest option with combined fares from 1,080 THB ($30). We suggest taking sleeper trains over sleeper buses as trains are more comfortable than buses.

Itinerary from Koh Samui to Bangkok

Koh Samui to Bangkok by Flight

Duration: 1hr 15min
Cost: 2,000 THB ($55)
Duration: 1hr 15min
Cost: 2,000 THB ($55)

When you’ve had your fill of Koh Samui and want or need to head back to Bangkok, the fastest option is to book a direct flight from Koh Samui to Bangkok.

All flights are run by Bangkok Airways, which offers several flights daily. A one-way flight from Koh Samui to Bangkok starts at 2,000 THB ($55).

Check Flights on Skyscanner

All flights depart from Koh Samui Airport (USM) and arrive at Suvarnabhumi Airport in Bangkok. This airport is about 30 km from the Bangkok centre and you can take a bus, taxi, or train to go to the city.

For detailed info on this airport, check out our article about Suvarnabhumi Airport (BKK).

Koh Samui to Bangkok by Bus + Ferry

Duration: 12.5-17.5 hours
Cost: 1,150 THB ($31.50)
Duration: 12.5-17.5 hours
Cost: 1,150 THB ($31.50)

If you don’t want to pay for an expensive flight, a combined bus and ferry ride from Koh Samui to Bangkok is a good alternative. It requires more time to travel, but it is also a lot cheaper at 1,150 THB ($31.50).

The three companies that operate from Koh Samui to Bangkok are Montanatip Tour, Krungsiam Tour, and Lomprayah. There are 3 departures daily at 08:00, 14:00, and 15:00.

The whole journey will take 12.5-17.5 hours, so be sure to plan ahead and choose which schedule is best for you.

Departure Station

The first part of the journey is a ferry ride from Nathon Pier 3, which is a 30-minute drive from the centre of Koh Samui. You can ask your hotel to book a ride for you to the pier.

Lomprayah, one of the other operators on this route, offers hotel pick-up service and will directly bring you to the pier.

The ferries will bring you to Don Sak Pier in Surat Thani, where you will board a bus that will take you to Bangkok.

Bus schedules from Koh Samui to Bangkok

Bus OperatorScheduleCosts
(incl. pick-up)
08:00-20:301,770 THB ($49)
Check Bus Tickets
Krungsiam Tour14:00-07:301,490 THB ($41)
Check Bus Tickets
Montanatip Tour15:00-07:001,150 THB ($31.50)
Check Bus Tickets

Since this is long-distance travel, make sure to book night buses so that you won’t lose all of your valuable daytime. Travelling during the night will allow you to rest for tomorrow’s adventure in Bangkok.

Arrival Station

Krungsiam Tour buses will bring you to Bangkok Southern Terminal (Sai Tai Mai). From there, you can take a 20-30 minute taxi to Bangkok city centre.

Meanwhile, buses by Lomprayah and Montanatip Tour will complete the journey at Khaosan Road, a famous street for backpackers. From there, you can get to Bangkok city centre in just 5 minutes.

Koh Samui to Bangkok by Train + Ferry

Duration: 15.5-19.5 hours
Cost: 1,080 THB ($30)
Duration: 15.5-19.5 hours
Cost: 1,080 THB ($30)

The advantage of taking a train compared to a bus is that sleeper trains are more comfortable and you can get a good night of rest. By taking the night train, you won’t waste a complete day travelling.

The nearest train station from Koh Samui is in Surat Thani. To reach the Surat Thani train station, you will first have to take a combined ferry and bus/van from Koh Samui. The earliest schedule is 5:00 in the morning and the latest is 17:00 in the evening.

Step 1: Koh Samui to Surat Thani Train Station by Ferry + Bus

Duration: 2.5 hours
Cost: 350 THB ($9.50)
Duration: 2.5 hours
Cost: 350 THB ($9.50)

The combined ferry and bus journey from Koh Samui to Surat Thani takes at least 2 hours and fares start at 350 THB ($9.50).

Departure and arrival stations

The ferry departs from either Nathon Pier or Lipa Noi Pier. If you are coming from the centre of Koh Samui, it will take you about 35 minutes to reach either pier. You will arrive at Donsak Pier in Surat Thani, where a bus or minivan will take you to Surat Thani Train Station.

There are multiple schedules per day, so it’s better to check the schedule below to book the best time for your trip.

Ferry + Bus Schedule from Koh Samui to Surat Thani Train Station

Raja Ferry5x a day, every 3 hours
between 5:00-17:00
4hrs 45m440 THB ($12)
Check Tickets
Phantip Travel5x a day, every hour
between 8:00-14:00
4.5 hours350 THB ($9.50)
Check Tickets
LomprayahOnce a day,
2hrs 15m780 THB ($21.50)
Check Tickets

When booking a ferry and bus or minivan ticket, make sure that the schedule you booked is aligned with your train booking.

Step 2: Surat Thani to Bangkok by Train

Duration: 13.5-14.5 hours
Cost: 730 THB ($20)
Duration: 13.5-14.5 hours
Cost: 730 THB ($20)

From Surat Thani train station, you will have to take the train to Hua Lamphong Railway Station in Bangkok. There are multiple departures daily from morning until evening.

For a comfortable journey, we recommend tickets for a 2nd class A/C sleeper berth which starts at 730 THB ($20). Travel time is about 13.5-14.5 hours.

Here are our recommended trains:

Train Schedule from Surat Thani to Bangkok

TrainSchedule2nd Class Sleeper A/C
RP16817:08-07:35730 THB ($20)
Check Train Tickets
EX8618:52-08:25810 THB ($22.50)
Check Train Tickets
EX8420:14-10:05810 THB ($22.50)
Check Train Tickets
RP17221:16-11:15730 THB ($20)
Check Train Tickets
SP3222:27-11:301,000 THB ($27.50)
Check Train Tickets

The quoted prices are for 2nd class sleeper berths. However, if you want the most comfortable experience, you can also book a 1st class berth for 1,340 THB ($37).

For more info, visit our page on Surat Thani to Bangkok.


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Dorm rooms start at $16 per night

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Single bed in dorm rooms start at $15 per night 

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Rooms start at $19 per night

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Rooms start at $26 per night 

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Blue Chang House

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Rooms start at $40 per night

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Most popular routes in Thailand

Bangkok to Chiang Mai

Phuket to Surat Thani

Bangkok to Phuket

Chiang Rai to Chiang Mai

Koh Samui to Koh tao

Koh Phangan to Koh Tao

Phuket to Krabi

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