Best way to travel between Bucharest and Athens

A: Bucharest

B: Athens

Travel Modes: Price; Distance; Duration; CO2

train: $65.0; 1355.12 km; 24h 35mins; 71.82 kgs

bus: $81.0; 1701.85 km; 25h 57mins; 51.06 kgs

flight: $152.0; 845.52 km; 5h 6mins; 91.32 kgs

drive: $240.0; 1236.56 km; 15h 42mins; 158.28 kgs

Tranport	Distance	Time(hrs)	Cost(local)	Cost(usd)
Train	1355.12 km	24h 35mins	48 EUR	65.0
Bus	1701.85 km	25h 57mins	60 EUR	81.0
Flight	845.52 km	5h 6mins	112 EUR	152.0
Drive	1236.56 km	15h 42mins	177 EUR	240.0

Take Train from Bucuresti Nord Gara A to Sofia Sever: Time: 9h 50mins Cost: 11 EUR; $ 13.5 - 16.5 USD CO2 Emission: 27.37 kgs
Take Train from Sofia to Thessaloniki: Time: 7h 8mins Cost: 7 EUR; $ 9.0 - 11.0 USD CO2 Emission: 17.95 kgs
Take Train from Thessaloniki to Athens: Time: 5h 32mins Cost: 29 EUR; $ 36.0 - 44.0 USD CO2 Emission: 26.56 kgs

Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Bucharest and Athens is to travel by train, which will cost about 48 EUR or 58.50 USD.