rideinstead

London to Köln: train or flight?

The train takes about 4 h 14 min with 1 change. The two cities are about 500 km apart in a straight line.

At a glance

  • Train time: 4 h 14 min, 1 change, via Bruxelles.
  • CO₂ per traveller, one way (estimate): train 3–20 kg, flight 40–70 kg.
  • Airports near London: LCY, LGW, LHR, STN.
  • Airports near Köln: CGN.
  • Door to door (estimate): train 4 h 54 min, flight 3 h 52 min. Includes getting to the station or airport, security and boarding.
  • Both ways: Köln to London takes about the same.

Duration from public timetable data for a typical weekday. CO₂ uses UK government (DEFRA 2025) factors; the high end of flying includes non-CO₂ effects. Fares change daily, so check the ticket provider for current prices. Times are not live: check the timetable before you travel.

Searching for a flight?

RideInstead is a free browser extension. When you search for a flight from London to Köln, it shows this train next to it: journey time, changes and the CO₂ difference, with a link to book. Pages are read on your device and no account is needed.

Add RideInstead to your browser

Get new routes by email

More routes from these cities