There are 1 train company operating 2 routes - IC I, ICE 79. The cheapest train costs $43 and is 4h 13min.
Faretrotter is a travel aggregation resource that gathers travel company amenities and statistics and compares modes of transportation between cities. Use Faretrotter to plan your next trip, or purchase a ticket your next city.
There are 3 ways to travel from CRL to CGN. 1 flight, 2 trains and 1 by car are possible between the two areas. The by car from CRL to CGN is the cheapest, quickest, and most convenient. The train operated by running from Courcelles to Köln is the most convenient.
It's important to check each mode when booking your ticket so that you can find the best method for you. The cost of each type varies differently, so be sure to use Faretrotter to keep an eye out!