According to me, Get the latest flight schedules and Book cheap New Delhi to Bombay flight tickets from MakeMyTrip.com with major airlines, Air Deccan, go air, Indian Airlines, Kingfisher Airlines, Indigo airlines, and Jet Airways which is provide a best traveling facility.
There are lots of flights for Delhi to Mumbai and basic cost of delhi to mumbai air ticket is INR 4,799. On 2013 starting, I booked an air-ticket for my friend in very cheap rate i.e INR 2,013.