Luxembourg to Barcelona by train
Trains link Luxembourg (Luxembourg) and Barcelona (Spain) through the European rail network. Most journeys take around 8h 3m including one or two connections at major hubs.
Operators on this corridor include CFL, Renfe (AVE).
Train fares are dynamic — typical range is €73 to €214. Advance-purchase tickets (1–2 months ahead) almost always beat walk-up prices.
Climate footprint: about 14 kg CO₂ per passenger by train vs roughly 151 kg by flight — taking the train saves ~137 kg on this distance.