Best way to travel between Chiang Mai Thailand and Koh Samui

A: Chiang Mai Thailand

B: Koh Samui

Travel Modes: Price; Distance; Duration; CO2

bus: $88.0; 1366.56 km; 23h 4mins; 41.0 kgs

train: $93.0; 1455.3 km; 27h 52mins; 77.13 kgs

flight: $200.0; 1061.93 km; 1h 48mins; 114.69 kgs

drive: $222.01; 1366.56 km; 20h 46mins; 174.92 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Bus	1366.56 km	23h 4mins	2,824 THB	88.0
Train	1455.3 km	27h 52mins	2,985 THB	93.0
Flight	1061.93 km	1h 48mins	6,419 THB	200.0
Drive	1366.56 km	20h 46mins	7,125 THB	222.01

Take Bus from Chiang Mai to Chumphon: Time: 16h 29mins Cost: 834 THB; $ 23.4 - 28.6 USD CO2 Emission: 36.2 kgs
Take Car from Chumphon to Chumphon: Time: 21mins Cost: 514 THB; $ 14.4 - 17.6 USD CO2 Emission: 2.14 kgs
Take Ferry from Chumphon to Ko Tao: Time: 2h 5mins Cost: 963 THB; $ 27.0 - 33.0 USD CO2 Emission: 9.94 kgs
Take Ferry from Ko Tao to Ko Samui: Time: 2h 5mins Cost: 514 THB; $ 14.4 - 17.6 USD CO2 Emission: 8.42 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Chiang Mai Thailand and Koh Samui is to travel by bus, which will cost about 2,824 THB or 79.20 USD.