Best way to travel between Busan, South Korea and Ulaanbaatar

A: Busan, South Korea

B: Ulaanbaatar

Travel Modes: Price; Distance; Duration; CO2

flight: $274.0; 2415.92 km; 6h 30mins; 260.92 kgs

train: $281.0; 3180.45 km; 67h 19mins; 168.56 kgs

train: $370.0; 2826.42 km; 61h 39mins; 149.8 kgs

train: $405.0; 3203.72 km; 60h 34mins; 169.8 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Flight	2415.92 km	6h 30mins	472,697 MNT	274.0
Train	3180.45 km	67h 19mins	484,773 MNT	281.0
Train	2826.42 km	61h 39mins	638,313 MNT	370.0
Train	3203.72 km	60h 34mins	698,694 MNT	405.0

Take Train from Seobusan Yutongjigu Station to Gimhae International Airport Station: Time: 1mins Cost: 1,725 MNT; $ 0.9 - 1.1 USD CO2 Emission: 0.05 kgs
Take Flight from PUS to ULN: Time: 4h 10mins Cost: 470,971 MNT; $ 245.7 - 300.3 USD CO2 Emission: 259.4 kgs
Take Car from Ulan Bator to Ulan Bator: Time: 15mins Cost: 3,278 MNT; $ 1.7 - 2.1 USD CO2 Emission: 1.68 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Busan, South Korea and Ulaanbaatar is to travel by air, which will cost about 472,697 MNT or 246.60 USD.