Copenhagen to Luxembourg by train
Trains link Copenhagen (Denmark) and Luxembourg (Luxembourg) through the European rail network. Most journeys take around 6h 41m including one or two connections at major hubs.
Operators on this corridor include DSB, CFL.
Train fares are dynamic — typical range is €63 to €184. Advance-purchase tickets (1–2 months ahead) almost always beat walk-up prices.
Climate footprint: about 11 kg CO₂ per passenger by train vs roughly 125 kg by flight — taking the train saves ~114 kg on this distance.