The Erfurt-Weimar Airport is located in direct proximity to Messe Erfurt. Only one transfer from tram line 4 to 2 at the stop "Gothaer Platz" makes travelling to Messe Erfurt quite easy. The Leipzig-Halle Airport - can be reached after the completion of ICE hub Erfurt from December 2015 - in only 28 ICE minutes. The Frankfurt Airport is only 130 ICE minutes away.
For public transport from the central railway station use tram line 3, 5 or 6 heading to Anger and then switch to tram line 2 heading to P+R Messe.