Barcelona to Luxembourg by train
Trains link Barcelona (Spain) and Luxembourg (Luxembourg) through the European rail network. Most journeys take around 8h 3m including one or two connections at major hubs.
Operators on this corridor include Renfe (AVE), CFL.
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.