This project report describes the study about the premium economy class that has recently been introduced in the airlines as a brand extension to leverage the brand potential and reach closer to brand actualization. This project report considers certain variables which are assumed to effect the price of premium economy class seats with respective to economy class seats, these variables are listed in the report. This report portrays the regression analysis done on R, to find out the factors affecting the price of premium economy class seats in airlines. This regression analysis uses the data collected for different airlines for various factors, which are mentioned in the report. This project is done to understand the price setting of the premium economy class seats in airlines. This reports also shows calculation done for jet airways in particular to compare it with rest of airlines put together in the study.