Zagreb to Athens by train
Trains link Zagreb (Croatia) and Athens (Greece) through the European rail network. Most journeys take around 9h including one or two connections at major hubs.
Operators on this corridor include HŽPP, Hellenic Train.
Train fares are dynamic — typical range is €80 to €234. Advance-purchase tickets (1–2 months ahead) almost always beat walk-up prices.
Climate footprint: about 15 kg CO₂ per passenger by train vs roughly 169 kg by flight — taking the train saves ~154 kg on this distance.