Choose an airport close to where you live to save time and energy. Chhatrapati Shivaji International Airport is Mumbai's international airport (BOM). 07 airlines operate 72 flights per week between these two locations. The cheapest flight from Bangalore to Mumbai costs INR 2,299 and can cost up to INR 10,989. You can save money by booking a round trip. Call +91 9312241999 for more details.