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🗺️ Thailand Travel Guide

How to Get from Bangkok to Koh Samui

2026年版完全ガイド ― 航空券、バス、レンタカー、ガイド付きツアーを価格、所要時間、旅行のヒントとともに比較できます。.

✈️
最速
1時間
💰
から
€15–€25
📍
距離
750 km (466 miles)
📅
更新済み
2026
⚡ クイック回答

The fastest way from Bangkok to Koh Samui is a 1-hour direct flight with Bangkok Airways (the only airline with direct flights), costing €80–250. The budget alternative is flying to Surat Thani (€25–60) then taking a ferry (1.5–2 hours). Bus+ferry combos take 12–14 hours (€15–25). Koh Samui is a Gulf of Thailand island, 750 km from Bangkok.

輸送間隔料金最適な用途
✈️ By Direct Flight1時間€80–€250Travelers who value time and convenience
🚌 By Flight to Surat Thani + Ferry3–4 hours total€35–€75Smart budget travelers who want to save significantly
🚗 By Bus + Ferry12–14 hours€15–€25Budget travelers with time flexibility
✈️

By Direct Flight

🕐 1時間 💰 €80–€250 ⭐ Travelers who value time and convenience

Bangkok Airways has a monopoly on direct flights to Koh Samui's boutique airport (USM), operating 10+ daily flights from Suvarnabhumi (BKK). Flight time is approximately 1 hour. Koh Samui airport is unique — an open-air tropical garden airport built by Bangkok Airways. The airport is located in the northeast of the island near Chaweng Beach.

利点
  • Fastest option at just 1 hour
  • Direct to the island — no ferry needed
  • Koh Samui airport is close to major beaches
  • Bangkok Airways includes checked baggage and meals
  • Beautiful boutique airport experience
デメリット
  • Significantly more expensive than alternatives
  • Bangkok Airways monopoly means no budget airline competition
  • Prices spike dramatically in peak season
  • Only flies from Suvarnabhumi, not Don Mueang
💡
プロからのアドバイス: Bangkok Airways prices are high because they own Koh Samui airport. Book 4–6 weeks ahead for the best fares. If budget is a concern, see the "Flight + Ferry" option below — it can save you €50–150 per person.
🚌

By Flight to Surat Thani + Ferry

🕐 3–4 hours total 💰 €35–€75 ⭐ Smart budget travelers who want to save significantly

Fly from Don Mueang (DMK) to Surat Thani Airport (URT) with Thai AirAsia, Nok Air, or Thai Lion Air (1 hour, €25–60), then transfer by bus to Donsak Pier (1 hour, usually included in combined ticket), and take a Raja Ferry or Seatran Discovery ferry to Koh Samui (1.5 hours). Combined flight+ferry tickets are available on 12Go.asia.

利点
  • Save €50–150 compared to Bangkok Airways direct
  • Budget airline flights to Surat Thani are very cheap
  • Ferry ride through the Gulf of Thailand is scenic
  • Combined tickets available for easy booking
デメリット
  • Total journey is 3–4 hours vs 1 hour direct
  • Requires a bus transfer between airport and pier
  • Ferry schedules may not align perfectly with flights
  • Can be tiring if connections don't sync well
💡
プロからのアドバイス: Book a combined "Flight + Bus + Ferry" ticket on 12Go.asia or Nok Air's NokAir + Lomprayah package. AirAsia also offers combined tickets. Make sure your flight arrives with enough time to catch the afternoon ferry — last ferries depart around 5:00–6:00 PM.
🚗

By Bus + Ferry

🕐 12–14 hours 💰 €15–€25 ⭐ Budget travelers with time flexibility

Overnight VIP buses depart Bangkok's Southern Bus Terminal (Sai Tai Mai) to Surat Thani, with combined tickets including the Lomprayah or Seatran ferry to Koh Samui. Alternatively, take a Lomprayah joint-ticket bus from Khao San Road directly to Koh Samui with bus + catamaran. Most services depart in the evening and arrive at Koh Samui by morning or midday the next day.

利点
  • Most affordable option overall
  • Combined tickets include bus and ferry
  • Save on hotel costs with overnight travel
  • Lomprayah catamaran is comfortable and modern
デメリット
  • Very long journey at 12–14 hours
  • Overnight buses can be tiring and cold
  • Rough seas during monsoon season (October–December) can cause delays
  • Multiple transfers between bus and ferry
💡
プロからのアドバイス: Lomprayah offers the best combined bus+catamaran service — book at lomprayah.com. Their high-speed catamaran is comfortable with air conditioning. The bus departs Bangkok in the evening and connects to the morning catamaran, arriving at Koh Samui's Nathon Pier around noon.
推奨
🎫

ガイド付きツアー(手間いらず)

🕐複数日パッケージに含まれる 💰ツアー料金にはすべてが含まれています ⭐ 計画のストレスを一切感じたくない旅行者

One Nation Travel includes Bangkok-to-Koh Samui transfers in multi-day Thailand island tour packages. Flights, ferry transfers, beachfront hotels, and guided excursions to Ang Thong Marine Park and local attractions are all arranged. From Bangkok's Grand Palace to Koh Samui's tropical paradise, everything is seamlessly organized.

利点
  • Everything arranged — flights, ferries, hotels, transfers
  • No worrying about ferry schedules or connections
  • Includes island excursions and activities
  • Direct flights used for maximum comfort
デメリット
  • 旅程は固定されています(ただし、ご要望に応じてカスタマイズ可能です)。
💡
プロからのアドバイス: A guided package takes the stress out of the Bangkok-to-Koh Samui transfer, especially the flight+ferry logistics. Most packages use Bangkok Airways direct flights for your comfort.
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📊 Bangkok to Koh Samui — At a Glance

輸送間隔料金最適な用途快適
✈️ By Direct Flight1時間€80–€250Travelers who value time and convenience⭐⭐⭐⭐⭐
🚌 By Flight to Surat Thani + Ferry3–4 hours total€35–€75Smart budget travelers who want to save significantly⭐⭐⭐
🚗 By Bus + Ferry12–14 hours€15–€25Budget travelers with time flexibility⭐⭐⭐⭐
🎫 ガイド付きツアー(手間いらず)複数日パッケージに含まれるツアー料金はすべて込みです計画のストレスを一切感じたくない旅行者⭐⭐⭐⭐⭐

🧳 このルートの旅行のヒント

💡
訪問に最適な時期

Koh Samui has a different weather pattern from Phuket. The best months are January–April (dry and sunny). The rainy season peaks in November–December. Unlike the Andaman coast, Samui can be pleasant during June–September when Phuket has monsoon rains.

💰
Flight Price Hack

Bangkok Airways direct flights are expensive (€80–250). Save 50–70% by flying to Surat Thani with AirAsia (€25–40) and taking the ferry. The total cost is €35–55 vs €80–250 — a massive saving, especially for couples or families.

⛴️
Ferry Operators Compared

Lomprayah (catamaran, fastest, €10–15), Seatran Discovery (car ferry, most frequent, €8–12), Raja Ferry (car ferry, cheapest, €6–8). Lomprayah docks at Nathon and Maenam, Seatran at Nathon and Lipa Noi.

🏖️
Which Beach to Stay

Chaweng: biggest beach with nightlife and shopping. Lamai: quieter than Chaweng, good restaurants. Bophut (Fisherman's Village): boutique hotels and a charming atmosphere. Maenam: budget-friendly and peaceful. Choeng Mon: upscale and secluded.

❓よくある質問

How long is the flight from Bangkok to Koh Samui?

A direct flight with Bangkok Airways takes approximately 1 hour from Suvarnabhumi Airport (BKK). Bangkok Airways is the only airline operating direct flights to Koh Samui's airport, which they own. They operate 10+ daily flights.

Why are flights to Koh Samui so expensive?

Bangkok Airways owns and operates Koh Samui airport, giving them a monopoly on direct flights. No budget airlines are allowed to land there. This lack of competition keeps prices high (€80–250 one-way). The budget alternative is flying to Surat Thani and taking a ferry.

What is the cheapest way to get from Bangkok to Koh Samui?

The cheapest option is the bus+ferry combo (€15–25, 12–14 hours). The best value option is flying to Surat Thani with a budget airline (€25–40) then taking the ferry (€8–15), totaling €35–55 in 3–4 hours. This saves €50–150 compared to Bangkok Airways direct.

How do I get from Surat Thani airport to Koh Samui?

From Surat Thani airport, take a bus to Donsak Pier (1 hour, often included in combined tickets), then a ferry to Koh Samui (1.5 hours). Book combined "flight + bus + ferry" tickets through 12Go.asia, AirAsia, or Nok Air for seamless transfers.

How rough are the ferries to Koh Samui?

The Gulf of Thailand is generally calmer than the Andaman Sea. Ferries operate year-round, though seas can be rougher during the monsoon season (October–December). Lomprayah catamarans handle rough weather best. If you're prone to seasickness, take medication 30 minutes before boarding.

Can I take my car on the ferry to Koh Samui?

Yes, Raja Ferry and Seatran Discovery accept vehicles. The car ferry departs from Donsak Pier and takes about 1.5–2 hours. However, renting a car or scooter on Koh Samui is easy and affordable, so bringing a vehicle from the mainland is usually unnecessary.

面倒な手続きは不要!ガイド付きツアーを予約しましょう。

Let One Nation Travel handle your Bangkok to Koh Samui journey. All transfers, flights, hotels, and guides included in one package.

✓ 全ての送迎が含まれています ✓ 資格を持った現地ガイド ✓ ホテルと航空券 ✓ キャンセル料無料