The field of Macro-economic Variables and Financial Performance is ever-evolving, and a wide array of research has illuminated this field for the past three decades. The present study explores the impact of macro-economic variables on the liquidity of the sample company. The current research has relied on secondary data over a period of 18 years. The authors have deployed regression analysis by using statistical software SPSS over a cross sectional data set. The study found that the Airport Authority of India is a growing company and has recorded an increasing trend over the period of study. Out of different macro-economic factors, only FDI have significant positive impact on liquidity of Airport Authority of India.