Best way to travel between Frankfurt and Ljubljana

A: Frankfurt

B: Ljubljana

Travel Modes: Price; Distance; Duration; CO2

train: $59.0; 869.04 km; 13h 12mins; 46.06 kgs

bus: $125.0; 1231.14 km; 19h 53mins; 36.93 kgs

drive: $150.0; 834.08 km; 8h 44mins; 106.76 kgs

flight: $240.0; 919.02 km; 7h 43mins; 99.25 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Train	869.04 km	13h 12mins	43 EUR	59.0
Bus	1231.14 km	19h 53mins	92 EUR	125.0
Drive	834.08 km	8h 44mins	110 EUR	150.0
Flight	919.02 km	7h 43mins	177 EUR	240.0

Take Bus from Frankfurt Hbf to Munich Hbf: Time: 5h 41mins Cost: 13 EUR; $ 16.2 - 19.8 USD CO2 Emission: 13.12 kgs
Take Train from München Hackerbrücke to München Hbf (tief): Time: 1mins Cost: 1 EUR; $ 0.9 - 1.1 USD CO2 Emission: 0.04 kgs
Take Train from München Hbf to Ljubljana: Time: 6h 27mins Cost: 29 EUR; $ 36.0 - 44.0 USD CO2 Emission: 22.85 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Frankfurt and Ljubljana is to travel by train, which will cost about 43 EUR or 53.10 USD.