Gulf of Thailand · Runs all year
Bangkok to Koh Samui ferry
4 ferry departures are listed from Bangkok to Koh Samui on Thursday 5 November, between 06:00 and 21:30, run by Lomprayah. The fastest takes 11h 30m; operators publish 14h – 14h 15m (bus + boat). Boats leave from Lomprayah Bangkok office (Pinklao / Khaosan) and arrive at Pralarn Pier (Maenam), Koh Samui.
- Fastest 11h 30m
- 4 departures listed
- 1 operator
- From €33.14
✓ Checked 2 Nov 2026 against 2 sources
Updated 2 Nov 2026 · Sources · How we check
Book Bangkok → Koh Samui
E-tickets from trusted operators, with live seats and prices.
Fares from €33.14 per person, seen 2 Nov 2026
- E-ticket on your phone
- 1 operators, 4 departures listed
- Fastest crossing 11h 30m
- ★ 4.4/5 from 483 traveller reviews of this route on our booking partner
Loy Krathong, 24 Nov 2026 (Nationwide). Boats around these dates are busier than usual: book ahead. Events calendar
New Year's Eve, 31 Dec 2026 (Nationwide). Boats to Koh Phangan, Koh Samui and Koh Tao are very busy around New Year's Eve, which coincides with a Full Moon Party; book ahead. Events calendar
Chinese (Lunar) New Year, 6 Feb 2027 (Nationwide). Boats around these dates are busier than usual: book ahead. Events calendar
Songkran (Thai New Year), 13 Apr – 15 Apr 2027 (Nationwide). Ferries and boats are busy with Thai holidaymakers in the days around Songkran; book ahead. Events calendar
Bangkok to Koh Samui departures
Departures listed for 5 Nov 2026 (checked 2 Nov 2026). Fares are per adult, as listed that day. Times can change by date and season: pick your date for live seats.
| Depart → arrive | Operator & piers | Time | Fare | Book |
|---|---|---|---|---|
| 06:00 → 17:30 | EarliestFastestLomprayah Khao San Lomprayah → Pralarn Pier Koh Samui 1 | 11h 30m | €38.44 | Book |
| 21:00 → 11:15 | CheapestLomprayah Southern Bus Terminal Pinklao → Lomprayah Bangrak Pier | 14h 15m | €33.14 | Book |
| 21:30 → 11:15 | Lomprayah Khao San Lomprayah → Lomprayah Bangrak Pier | 13h 45m | €33.14 | Book |
| 21:30 → 11:30 | Last boatLomprayah Southern Bus Terminal Pinklao → Pralarn Pier Koh Samui 1 | 14h | €38.44 | Book |
Operator timetable
2 joint bus + boat departure times a day (Lomprayah 2026 timetable, effective 25 August 2026)
- Bangkok → Koh Samui: 21:00 → 11:15 bus + ferry to Bangrak Pier (change to catamaran at Koh Tao) (฿1,250); 21:30 → 11:30 bus + catamaran to Pralarn Pier (฿1,450); 21:30 → 11:30 VIP bus + catamaran to Pralarn Pier (฿1,750)
- Koh Samui → Bangkok: 08:00 → 20:30 catamaran + bus from Pralarn Pier to Pinklao (฿1,450); 12:30 → 00:45 catamaran + bus from Pralarn Pier to Khaosan (฿1,450)
Source: Lomprayah 2026 timetable (operator), checked 9 Oct 2026.
Route facts
| Departs | Lomprayah Bangkok office (Pinklao / Khaosan), Bangkok |
|---|---|
| Arrives | Pralarn Pier (Maenam), Koh Samui, Surat Thani |
| Crossing time | 14h – 14h 15m (bus + boat) (fastest listed: 11h 30m) |
| Distance | About 63 nautical miles (117 km) |
| Operators | Lomprayah (14h – 14h 15m door to door) |
| Boats | High-speed catamaran, Coach / van |
| Season | Runs all year |
| Vehicles | Passengers only |
| Sea | Gulf of Thailand |
See every operator, seat availability and the live price.
Before you travel
Good to know
- One Lomprayah joint ticket covers both the road and the sea legs; the times here are from its 2026 timetable (effective 25 August 2026), so check the operator’s site before travelling.
Getting to and from the pier
- The road and sea legs connect at Chumphon (Thung Makham Noi Pier)
- Lomprayah’s timetable also lists hotel pick-up / drop-off versions of many of these trips (marked “Any Hotel”) at a higher fare
Return trip: Koh Samui → Bangkok: 08:00 → 20:30 catamaran + bus from Pralarn Pier to Pinklao (฿1,450); 12:30 → 00:45 catamaran + bus from Pralarn Pier to Khaosan (฿1,450)
Bangkok to Koh Samui ferry: questions
How long is the ferry from Bangkok to Koh Samui?
Operators publish 14h – 14h 15m (bus + boat) for Bangkok to Koh Samui. On the booking listing for 5 Nov 2026, crossings ranged from 11h 30m to 14h 15m, depending on the boat and the stops it makes. The sea distance is about 63 nautical miles.
How many ferries a day go from Bangkok to Koh Samui?
4 departures were listed for 5 Nov 2026, the first at 06:00 and the last at 21:30 (checked 2 Nov 2026). The operators’ own timetable: 2 joint bus + boat departure times a day (Lomprayah 2026 timetable, effective 25 August 2026). Departures change with the season, so check the date you want to travel.
Where does the Bangkok to Koh Samui ferry leave from?
The main departure point is Lomprayah Bangkok office (Pinklao / Khaosan); boats arrive at Pralarn Pier (Maenam), Koh Samui. Some operators use other piers: Khao San Lomprayah and Southern Bus Terminal Pinklao. Your ticket names the pier. The road and sea legs connect at Chumphon (Thung Makham Noi Pier).
How much is the ferry from Bangkok to Koh Samui?
On 2 Nov 2026, the booking listing showed fares from €33.14 to €38.44 per adult for 5 Nov 2026. The price depends on the operator, the boat (ferry, speedboat or catamaran) and whether a hotel or pier transfer is included. These were the prices on that day: check the live fare for your date before booking.
Which companies run ferries from Bangkok to Koh Samui?
Lomprayah. Lomprayah: High-speed catamaran, Coach / van.
Does the Bangkok to Koh Samui ferry run all year?
The sources we checked list it as a year-round service. The Gulf has a different weather pattern from the Andaman coast: services run all year, but the northeast monsoon can disrupt crossings around November and December, mostly on the open-water legs to and from Koh Tao and Chumphon.
Can I take a car or motorbike from Bangkok to Koh Samui?
No. This is a passenger service; vehicles are not carried.
How do I get back from Koh Samui to Bangkok?
Koh Samui → Bangkok: 08:00 → 20:30 catamaran + bus from Pralarn Pier to Pinklao (฿1,450); 12:30 → 00:45 catamaran + bus from Pralarn Pier to Khaosan (฿1,450)
How long does it take from Bangkok to Koh Samui?
Between 14h and 14h 15m on Lomprayah’s joint ticket: 21:00 → 11:15 (bus + ferry to Bangrak Pier (change to catamaran at Koh Tao)); 21:30 → 11:30 (bus + catamaran to Pralarn Pier); 21:30 → 11:30 (VIP bus + catamaran to Pralarn Pier). Times from Lomprayah’s 2026 timetable, effective 25 August 2026.
How much is the Bangkok to Koh Samui joint ticket?
From ฿1,250 per person on Lomprayah’s 2026 timetable; prices on partner sites such as 12Go can differ.
Sources and checks
We check each route against the operators’ and ports’ own pages, and read our booking partner’s public route page for current departures. Facts we could not confirm are left out.
- lomprayah.com, checked 9 Oct 2026: Lomprayah 2026 timetable (operator PDF, effective 25 August 2026): departure, arrival, bus/van and boat type and fare for each joint ticket.
- Booking partner (12Go) public route page, departures and fares read 2 Nov 2026
Photo: Granite boulders and palms at Coral Cove on the east coast of Koh Samui, between Chaweng and Lamai (Fabio Achilli from Milano, Italy, Wikimedia Commons, CC BY 2.0).
🙏 Spotted something out of date? Tell us at sawadee@thaiferries.co and we’ll check it.
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