If you travel from Delhi to Mumbai by flight or are thinking of doing so, then this news is important for you. In fact, flight tickets from Delhi to Mumbai cost just Rs 14,000 on 24-hour advance booking. It is one of the highest domestic airfares globally. The study by Airports International Asia-Pacific states that India has seen the maximum increase in airfares at 41%, followed by UAE (34%), Singapore (30%) and Australia (23%). Yes, the study states that fluff sales and inflation are significantly responsible for the increase in airfares.