Click4Sky not in the true sense of the airline. It was an online ticketing Czech Airlines (CSA), which had to compete with low cost airlines. The aim was to increase the availability of flights DISCOUNT spare capacity CSA.

The company offers Click4Sky were mainly flights within Europe and to North Africa. Since December 2007, were sold and flights from zehraničí - mainly then to Prague. At the end of November 2009, the operation terminated.