Best way to travel between Bangkok Thailand and Jeju si

A: Bangkok Thailand

B: Jeju si

Travel Modes: Price; Distance; Duration; CO2

flight: $186.0; 3566.16 km; 10h 59mins; 385.15 kgs

flight: $402.0; 3543.2 km; 8h 25mins; 382.67 kgs

train: $750.0; 7095.9 km; 83h 9mins; 376.08 kgs

train: $751.0; 6817.2 km; 79h 13mins; 361.31 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Flight	3566.16 km	10h 59mins	197,357 KRW	186.0
Flight	3543.2 km	8h 25mins	426,546 KRW	402.0
Train	7095.9 km	83h 9mins	795,795 KRW	750.0
Train	6817.2 km	79h 13mins	796,856 KRW	751.0

Take Bus from Khao San Road to Bangkok Don Muang Airport: Time: 1h 2mins Cost: 5,305 KRW; $ 4.5 - 5.5 USD CO2 Emission: 0.74 kgs
Take Flight from DMK to CJU: Time: 7h 32mins Cost: 190,991 KRW; $ 162.0 - 198.0 USD CO2 Emission: 382.04 kgs
Take Bus from Jeju Airport to Donggwangyang: Time: 7mins Cost: 1,061 KRW; $ 0.9 - 1.1 USD CO2 Emission: 0.15 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Bangkok Thailand and Jeju si is to travel by air, which will cost about 197,357 KRW or 167.40 USD.