There is no direct flight or ferry from Chiang Mai to Koh Tao — here are the realistic routes via Koh Samui, Surat Thani or Chumphon, and why the bus is not worth it.
27 February 2024 · updated 15 October 2025 · by Rocío García
Chiang Mai, the cultural capital of northern Thailand, boasts its own international airport, ranking as the country’s fourth most visited. For many travellers, Chiang Mai serves as the gateway to exploring the rich cultural tapestry of northern Thailand.
While direct flights from any point in the country to Koh Tao are unavailable, because the island has no airport, a viable option from Chiang Mai is the Chiang Mai – Koh Samui air connection. This direct flight bridges the gap between northern Thailand and the Gulf of Thailand, allowing travellers to catch a ferry from Koh Samui to Koh Tao. Upon arrival in Koh Samui, multiple ferry companies offer transfers to Koh Tao, with a journey time of approximately two hours.
Direct ferry connections between Chiang Mai and Koh Tao do not exist. However, travellers can fly to Koh Samui or Surat Thani from Chiang Mai and then take a ferry to Koh Tao. Similarly, Chumphon offers direct air connections with Chiang Mai, providing another route to reach Koh Tao via ferry.
Travelling by bus from Chiang Mai to Koh Tao is not advisable, as the only viable route involves passing through Bangkok from the northern region, adding unnecessary travel time and complexity to the journey.
In summary, while direct air or ferry routes from Chiang Mai to Koh Tao are unavailable, travellers can opt for air connections to Koh Samui or Surat Thani, or consider travelling via Chumphon, followed by a ferry ride to Koh Tao. Although bus travel isn’t recommended due to the indirect route, multiple transport options ensure that travellers can tailor their journey to suit their preferences and schedules, ultimately arriving on the enchanting shores of Koh Tao ready to explore its beauty and charm.
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