Time zone
GMT +07:00
No time difference
Currency
Thai Baht
1HKD = 4.28THB
Official languages
Thai
Best time to visit
JAN - MAR
Dry season with calm seas and sunny beaches.
Recommended trip duration
4 days
Top things to do in Ko Samui
Top attractions in Ko Samui
Transport in Ko Samui
Hotels in Ko Samui
Reviews of Ko Samui activities
Ko Samui at a glance
Quick facts about Ko Samui
What to know before visiting Ko Samui
Ko Samui at a glance
Ko Samui is a beach-and-activity destination whose top bookings are led by Tours, followed by Outdoor & sports activities and Water activities. Across the year Klook booking data show a strong summer rhythm: July is the busiest month with around 81% higher demand versus a typical month, while March is the quietest at around 66% lower demand. That seasonality shapes what you do — sightseeing and organised tours peak in July, while quieter months suit outdoor adventures and massages with fewer crowds. Decide whether you want lively peak-season buzz or quieter, more flexible travel. Based on Klook booking data.
When to visit Ko Samui
July is the clear high season for Ko Samui, and Klook booking data mark it as the single busiest month; March is the quietest. Prices move unevenly through the year: the platform-wide median is HKD 419, but individual months swing from as low as HKD 117 in October and March to a high around HKD 1,138 in November. Demand and prices sometimes diverge — July is very busy without being the priciest, while November is pricier despite not being the absolute peak for demand. For lower prices and smaller crowds aim for March or October; for peak-season atmosphere pick July.
| Month | Demand Level | Typical Price |
|---|---|---|
| January | Quieter than usual | HKD 546 |
| February | Busier than usual | HKD 429 |
| March | Very quiet | HKD 117 |
| April | About average | HKD 203 |
| May | Quieter than usual | HKD 444 |
| June | Quieter than usual | HKD 452 |
| July | Peak demand | HKD 203 |
| August | Busier than usual | HKD 172 |
| September | Busier than usual | HKD 998 |
| October | About average | HKD 117 |
| November | Busier than usual | HKD 1,138 |
| December | About average | HKD 211 |
Demand is bookings in that month compared with a typical month, from historical Klook booking data, grouped into the demand levels above; typical price is the median paid on Klook in that month; prices are shown with their currency code. Based on Klook booking data, July 2025 – June 2026.
Tips for travellers from Hong Kong
Most travellers from Hong Kong book fairly late: on average people lock in experiences only about 2 days ahead, while the earliest planners book around 6 days out, according to Klook booking data across the platform. That means you can be flexible and often book a day or two before travel, but in July and other busier months booking earlier pays to secure popular tours and water activities. Use Klook to compare options and reserve the experiences you really want — especially tours and outdoor activities — then fill in massages or cruises closer to your dates.
FAQs about Ko Samui
When is the best time to visit Koh Samui?
When is the best time to visit Koh Samui?
When is the cheapest time to visit Koh Samui?
When is the cheapest time to visit Koh Samui?
How far ahead should I book Koh Samui activities if I'm travelling from Hong Kong?
How far ahead should I book Koh Samui activities if I'm travelling from Hong Kong?
How much do activities in Koh Samui typically cost?
How much do activities in Koh Samui typically cost?
What is Koh Samui best known for on Klook?
What is Koh Samui best known for on Klook?
Explore more on Klook
Top destinations
- 1 Koh Samui
- 2 Samui Elephant Kingdom Sanctuary
- 3 Fisherman's Village
- 4 Big Buddha Temple (Wat Phra Yai)
- 5 Lamai Night Market
- 6 Chaweng Night Market
- 7 Bo Phut Beach
- 8 Big Buddha Statue
- 9 Coral Cove Beach
- 10 Hin Ta Hin Yai
- 11 Lamai Viewpoint & Valentine Stone
- 12 Central Festival Samui
- 13 Wat Plai Laem
- 14 Lipa Noi Beach
- 15 Paradise Park Farm
- 16 Tan Rua Waterfall
- 17 Samui Aquarium
Top Activities and Tours
- 1 Dive Delight: Open Water Diver in Koh Samui with PADI 5* Dive Center
- 2 Koh Samui - Koh Pangan - Koh Tao Ferry by Lomprayah
- 3 Island Breeze Private Sailing Catamaran from Koh Samui
- 4 Go Karting Experience by EasyKart Koh Samui
- 5 Koh Samui ATV Quad Bike Tour - Jungle Off-Road Adventure
- 6 Koh Samui Pig Island & Koh Tan Half-Day Snorkeling Tour
- 7 Koh Samui Koh Nangyuan & Koh Tao Full-Day Snorkeling Tour
- 8 Tree Bridge Zipline Samui
- 9 Dive Longer: Nitrox Course with PADI 5* Dive Center in Koh Samui
- 10 8LEMENTS SPA by Garrya Tongsai Bay Samui
- 11 Ko Samui Full-Day Angthong Snorkeling & Kayaking Tour
- 12 Hiranyika Health and Beauty Massage in Koh Samui
- 13 Pig and Tan Island Snorkeling Tour by Speedboat From Koh Samui
- 14 Authentic Muay Thai Training at Buakaw Village Koh Samui
- 15 Koh Samui Half-Day City Highlights Tour
- 16 Koh Tao Koh Nangyuan and Koh Pha-Ngan from Samui
- 17 Ko Samui Half-Day Red Baron Yacht Cruise & Sunset
- 18 Samui/ Pha Ngan: Angthong National Park Snorkeling & Kayaking
- 19 Koh Samui Angthong Marine Park Full-Day Guided Tour
- 20 Aqua Paradise: Koh Samui Advanced Course with PADI 5 Star center
Popular Hotels and Places to Stay
- 1 Hyatt Regency Koh Samui
- 2 Silavadee Pool Spa Resort
- 3 Anantara Bophut Koh Samui Resort
- 4 SALA Samui Choengmon Beach Resort
- 5 SALA Samui Chaweng Beach Resort
- 6 The Library
- 7 Avani+ Samui Resort
- 8 Hansar Samui Resort & Spa
- 9 Holiday Inn Resort Samui Bophut Beach by IHG
- 10 Conrad Koh Samui
- 11 Kanok Buri Resort
- 12 Amari Koh Samui
- 13 Chaweng Regent Beach Resort
- 14 Anantara Lawana Koh Samui Resort
- 15 OZO Chaweng Samui
- 16 Sheraton Samui Resort
- 17 Mercure Samui Chaweng Tana Hotel
- 18 Karma Resort
- 19 Win Hotel
- 20 Arkbar Beach Club
