The aim of this research is to know and analyze the contribution of financial economic in Singapore and the amount of Singapore Airlines’ passenger carried to Singapore Airlines’ revenue. This research also intend to know the different situation before, during, and post Covid-19 pandemic in airlines industry. During the Covid-19 pandemic, the operational activity in airline industry bogged down several time. The pandemic also causes numbers of limitation which has an impact on society’s financial, likewise the deflation for the airlines’ revenue. This research uses Path Analysis with the analysis tools of multiple linear regression along with the validity test and reliability test. The data for this research is taken from 2018–2022 Singapore Airline’ database. The result of this research states that the financial ratio or the Singapore’s gross domestic product has no impact to the Singapore Airlines’ revenue while the passengers carried directly contributes to the Singapore Airlines’ revenue. Both of the independent variables simultaneously has indirect contributes to Singapore Airlines’ revenue.