Bangalore International Airport (BIA) is around 32 km from Bangalore City Bus stand and Railway station and it covers an area of around 4000 acres. It will take 1 hour if you go by private cab and will take more than one hour if you are going by BTMC volvo bus during non peak hour and will take even more if it is during peak hours from Bangalore City Bus stand to Bangalore International Airport. It will cost around Rs.1000 by pravite cab and will cost Rs. 165 if you are going by BTMC volvo bus. Bangalore International Airport replaced Hindustan Aeronautics Limited (HAL) Airport and now, it is one of the most busiest airport in India.
Official Website: www.bengaluruairport.com