From Köln/Bonn airport (CGN)

With the local train S13 (every 20 min.), a regional or InterCity-train to Cologne Central Station (Köln Hbf). Travel time is about 15 min. To get from here to the university, see description above. Some trains only stop at Köln-Deutz/Messe train station. To get from here to the university, see description above. Total travel time from the airport to the university campus is about 40 minutes. If you're looking for more detailed information, use the Deutsche Bahn timetable. The taxi fare is about 20 Euro (ca. 20 km).

From Düsseldorf International airport (DUS)

Take any DB train (i.e. RegionalExpress 1) from "Düsseldorf Airport" train station to Cologne Central Station (Köln Hbf). Travel time is about 40 min. To get from here to the university, see description above. Some trains only stop at Köln-Deutz/Messe train station. To get from here to the university, see description above. Total travel time from the airport to the university campus is about 65 minutes. If you're looking for more detailed information, use the Deutsche Bahn timetable. The taxi fare is about 75 Euro (ca. 50 km).

From Frankfurt airport (FRA)

Take an InterCity (IC or ICE) train to Cologne Central Station (Köln Hbf). Travel time ist about 60 min. To get from here to the university, see description above. Some trains only stop at Köln-Deutz/Messe train station. To get from here to the university, see description above. Total travel time from the airport to the university campus is about 65 minutes. If you're looking for more detailed information, use the Deutsche Bahn timetable. You really want to know the price for a taxi from Frankfurt Airport? Ask the driver and make sure you've got enough cash on you... It's about 180 km away.