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Updated: October 2025
How to Get from Bangkok to Koh Samui (Koh Samui Travel Guide 2025)
Compare all routes—direct flights, bus + ferry, and train + ferry—and see why Boonsiri Ferry is the smoothest all-in-one journey.
Overview
Koh Samui, Thailand’s Gulf coast icon in Surat Thani province, is accessible by multiple routes. You can fly directly to USM (Koh Samui Airport), or travel via the mainland by bus or train and connect by ferry. Below is a clear breakdown to help you choose.
🚀 Main Travel Options from Bangkok to Koh Samui
✈️ Option 1: Direct Flight to Koh Samui (Fastest)
Direct flights take about 1h 10m. This is the quickest and most comfortable option, ideal if you value time over cost.
- Pros: Fastest, minimal transfers
- Cons: Higher price, seats can sell out in peak periods
🚌 Option 2: Boonsiri Ferry – Bus + Ferry Combo (Best Value)
Travel overnight from Bangkok, arrive on the mainland in the morning, then board a high-speed ferry to Koh Samui. One integrated ticket keeps things simple.
Step-by-Step Journey
- Check-in in Bangkok (Khao San Road). Bus departs at night (~22:00).
- Arrive Surat Thani side / pier area in the morning.
- Board high-speed ferry to Koh Samui (typical sailing 1.5–2h).
- Arrive on Koh Samui late morning—head straight to your hotel.
What’s Included
- Air-conditioned overnight coach from Bangkok
- High-speed ferry ticket to Koh Samui
- Assistance with luggage and transfers
- One ticket for the whole way
One-ticket ride from Bangkok to Koh Samui with Boonsiri Ferry.
🚆 Option 3: Train + Transfer + Ferry (Scenic)
Take an overnight train from Bangkok to Surat Thani, then connect by minivan to Donsak Pier and ferry to Koh Samui. This is a relaxed, scenic route, but requires more transfers and time (~12–13 hours).
📊 Travel Option Comparison
| Option | Approx. Time | Typical Cost | Convenience | Best For |
|---|---|---|---|---|
| Direct Flight | ~1h 10m | Higher | ★★★★★ | Time-sensitive travelers |
| Boonsiri Bus + Ferry | ~11–12h (overnight) | Great value | ★★★★☆ | Easy, one-ticket journey |
| Train + Ferry | ~12–13h | Moderate | ★★★☆☆ | Scenic travel lovers |
📝 Travel Tips
- Book 7–14 days ahead for peak seasons and holidays.
- Have essentials in your carry-on: meds, rain jacket, charger, ID.
- Check weather forecasts—sea conditions can affect ferry times.
- Taxis and transfers are available on arrival at Nathon Pier.
❓ FAQs
Where do ferries to Koh Samui depart from?
From the mainland, most services depart Donsak Pier (Surat Thani). Sailing time is usually 1.5–2 hours.
Can I travel overnight and arrive in the morning?
Yes—Boonsiri’s overnight bus + morning ferry is designed for exactly that. You’ll reach Koh Samui late morning.
Is there luggage assistance?
Yes, staff assist with luggage from the coach to the ferry for a smooth transfer.
Book your all-in-one Boonsiri Ferry ticket today.
