Planning a budget-friendly and eco-conscious journey from Krabi to the tropical island of Koh Samui? This comprehensive 2025 guide outlines the most reliable, sustainable, and cost-effective routes—including detailed transportation options, updated prices, recommended operators, and practical travel tips.
1. Overview of the Route
- Distance: Approximately 280 miles (450 km)
- Travel Time: 4 to 7 hours (depending on route and connection times)
- Primary Transfer Point: Donsak Pier, Surat Thani Province
Most routes involve a land transfer to Donsak Pier, followed by a ferry to Koh Samui.
2. Transportation Options
A. Bus/Minivan + Ferry Combination
Best for Budget Travel and Scenic Views
| Feature | Details |
|---|---|
| Duration | 4–6 hours on average; up to 7 hours with extended ferry waits |
| Cost | THB 500–1,100 |
| Departure Points | Krabi Town, Krabi Bus Terminal, Ao Nang |
| Arrival Point | Nathon Pier (Koh Samui’s main pier); some services use Maenam or Lipa Noi |
| Operators | Lomprayah, Phantip Travel, Raja Ferry |
| Eco Score | High – Shared vehicles reduce emissions per passenger |
How the Journey Works
- Begin with a bus or minivan transfer from Krabi to Donsak Pier (approximately 2–3 hours).
- Transfer to a ferry bound for Koh Samui, typically arriving at Nathon Pier.
- Many operators provide combination tickets that include hotel pickup and ferry transfer.
Sample Schedules and Prices (2025)
| Operator | Departure | Arrival | Duration | Price (THB) |
|---|---|---|---|---|
| Lomprayah | 08:00 | 11:45 | 3h 45m | 1,100 |
| Lomprayah | 09:30 | 14:00 | 4h 30m | 1,000 |
| Lomprayah | 10:00 | 14:00 | 4h | 1,000 |
| Phantip | 11:30 | — | 5–6h | 500–610 |
| Raja Ferry | 12:00 | — | 6–7h | 650+ |
Booking Tips
- Book directly through operator websites or via trusted aggregators such as Smart En Plus.
- Reserve tickets in advance, particularly during high season (November–April), to secure preferred departure times and pricing.
- Eco-conscious travelers may prioritize companies offering shared transfers and modern, fuel-efficient vehicles.
B. Domestic Flights
Fastest but Less Sustainable
- Travel Time: ~1 hour flight, excluding airport transfers and check-in time
- Cost: THB 3,000–5,000
- Airlines: Bangkok Airways, Thai Airways
- Availability (2025): No direct flights between Krabi and Koh Samui; most itineraries involve a layover in Bangkok or ground transfer to Surat Thani Airport, followed by a ferry.
- Eco Score: Low – Higher carbon emissions per passenger
This option suits travelers prioritizing speed and comfort over budget or sustainability.
C. Self-Drive + Ferry
For Independent Travelers or Groups
- Rent a car or motorbike in Krabi, drive to Donsak Pier, and board a car ferry to Koh Samui.
- Ideal for groups or those planning extended travel across southern Thailand.
- Cost Efficiency: Low unless shared by multiple travelers
- Eco Score: Moderate to low
3. Step-by-Step Eco/Budget Route
- Departure: Begin at Krabi Town, Ao Nang, or your accommodation.
- Land Transfer: Board a pre-booked minivan or bus to Donsak Pier (~2–3 hours).
- Ferry Transfer: Take the ferry to Koh Samui (~1.5–2 hours).
- Arrival: Arrive at Nathon Pier (or Maenam/Lipa Noi). Transfer to your hotel via songthaews, shared minivans, or eco-friendly taxis.
- Tip: Choose operators offering hotel pickup, reusable ticketing options, and low-emission fleets.
4. Tips for Eco-Friendly and Efficient Travel
- Travel Light: Reduces weight and fuel consumption.
- Use Group Transfers: Opt for shared buses or vans to lower emissions.
- Minimize Plastic Waste: Bring reusable bottles and snacks in sustainable packaging.
- Support Local Operators: Book directly with Thai transport companies or regional platforms.
- Avoid Rainy Season Travel (May–October): Weather conditions may cause delays and choppy seas.
5. Island Hopping After Koh Samui
From Koh Samui, continue your journey to Koh Phangan or Koh Tao. Frequent fast ferries depart from Nathon and Maenam Piers, offering seamless transitions to these popular island destinations.
6. At-a-Glance Comparison Table
| Method | Duration | Cost (THB) | Eco Score | Best For |
|---|---|---|---|---|
| Bus/Minivan + Ferry | 4–6 hrs | 500–1,100 | High | Budget travelers, eco-tourists |
| Flight (via BKK) | 3.5–6 hrs | 3,000–5,000 | Low | Time-sensitive travelers |
| Private Car/Taxi | 4–7 hrs | 2,000+ | Low-Med | Groups or those needing flexibility |
Frequently Asked Questions (FAQs)
1. Can I be picked up directly from my hotel in Krabi?
Yes. Many combined tickets offer hotel pickup from Krabi Town, Ao Nang, or surrounding areas. Check with your selected operator for availability and added fees.
2. Are night departures available?
No. Most transport services operate during the morning or midday. Ferries do not run at night due to safety regulations.
3. Is the ferry journey safe during the monsoon season?
Travel is possible but can be rough. Seas are typically choppier between May and October, and cancellations may occur due to weather. Consider traveling during the dry season for a smoother journey.
4. Which ferry companies are the most reliable?
Lomprayah, Phantip Travel, and Raja Ferry are among the most reputable. Lomprayah is known for faster catamaran services, while Raja offers vehicle transport options.
5. Can I buy combination tickets on the day of travel?
Yes, but availability may be limited, especially during peak seasons. Advance booking is strongly recommended.
6. What facilities are available on the ferry?
Facilities vary. Lomprayah ferries typically offer air-conditioning, toilets, and snacks. Basic ferries (e.g., Raja) may have minimal amenities.
7. Are group transfers better for the environment?
Yes. Group transportation significantly reduces the carbon footprint per traveler compared to private taxis or flights.
8. Can I bring a motorbike or car on the ferry?
Yes, if traveling with Raja Ferry, which accommodates vehicles. Be sure to confirm space and pricing during booking.
9. How do I get from Nathon Pier to my hotel on Koh Samui?
Use local transport such as songthaews, taxis, or hotel-arranged pickups. Prices vary by distance and time of day.
10. Is Wi-Fi available during the journey?
Some premium operators offer Wi-Fi on buses or ferries, but connectivity is not guaranteed. Plan to download offline content in advance.
Traveling from Krabi to Koh Samui can be both affordable and environmentally responsible. With a bit of planning and the right operator, the journey becomes part of your Thai island adventure—offering lush landscapes, ocean views, and a seamless connection to paradise.
For a Complete Travel Guide
For more detailed information on transportation options, booking tips, itinerary suggestions, and everything you need to know about planning your trip, visit our full guide: