Question : Have you considered flying out of an airport besides Cologne Bonn Airport (CGN)?
Answer : Departing from Cologne Bonn Airport is not the only way to get to Blue Grass Airport. Try looking for flights from Dusseldorf International Airport (DUS) as well. Over the next few months, flights from DUS to LEX are being booked 12% cheaper than flights from CGN to LEX. Being only 32 miles away, it's easily accessible for most.