There is an efficient bus service to the Bangalore airport from various parts of the city. The routes are identified with numbers.
The bus stand is located right inside the airport campus, a short distance walk from the terminal building. As you walk out of the airport , you can see the signboards indicating the direction to the bus terminal and the taxi stand. There is a large map with the route numbers identified at the bus terminal. The easy thing is to ask the conductors who stand next to the bus for help. They would guide you to the right bus. Typically the bus leaves as it get filled.
These are low floor air conditioned buses with racks for storing the baggage inside. Tickets are issued inside the bus by the traveling conductor. Typically its from Rs100 to Rs 200 ( USD 2-4) per head per trip depending on the distance. There are designated stops at important junctions en route. So ask for your stop and request the conductor to inform you when your stop arrives.
Some bus routes to BIAL ( Bangalore International Airport Limited ) :
Hebbal Ring Road > BIAL - via (Kogilu Cross Junction)
Bus route map for Bangalore airport.
Click here for a larger route map to Bangalore airport.
Satellite Bus Stand ( Mysore Road ) > BIAL - via (Vijayanagara - Navarang - Malleshwaram Bus Station - IISc - M.S Ramaiah Hospital - Devasandra / Dollars Colony - Kuvempu Circle - Hebbal - Kogilu cross Junction. )
Jeevan Bhima Nagara > BIAL - via ( Binnamangala (old madras Road) - Halsoor - M.G.Road - Taj Residency - Hotel Oberai - Indian Express - J.C.Nagara - Mekhri Circle - Hebbal - Kogilu cross Junction)
HAL ( Old Airport ) > BIAL - via (HAL Airport- Jeebvan Bhimanagar bus stn- Binnamangala (old madras Road)- Halasoor-hotel Taj- J.C.Nagar- Mekhri Circle- Hebbala - Kogilu Cross Junction )
J.P.Nagar 6th Phase > BIAL - via (Jayanagara 4th Block - Shanthinagara Bus Station - Hotel Ramanashree - Hotel Woodlands - Bangalore Club - High Grounds (Le Meridian - Windsor Manor - Hotel Grand Ashoka) - Mekhri Circle - Hebbal - Kogilu Cross Junction )
Kadugodi Bus Station > BIAL - via (Hope Farm - Whitefield Post Office - Siddapura - Marathahalli Bridge - HAL - Hotel Leela Palace - Royal Orchard - Domlur - Taj Residency - Lakeside Hospital - St.Johns Road - J.C.Nagara - Mekhri Circle - Hebbal - Kogilu Cross Junction )
Koramangala > BIAL - via (Forum / Check-post - Shanthinagara Bus stand - Richmond Circle - (Chancery Pavilion - Bowring Institute - Bangalore Club - Indian Express - Vasanth nagar - Mekhri Circle - Hebbal - Kogilu Cross Junction
Electronic City > BIAL - via (Bommanahalli - Silk Board - Agara - Marathalli Ring Road - K.R.Puram Railway Station - Kalyan nagar Hebbal - Kogilu Cross Junction )
Kempegowda Bus Station ( Majestic ) > BIAL - via (Hotel Grand Ashoka - Mekhri Circle - Hebbala - Kogilu Cross Junction )
BMTC ( Bangalore Metropolitan Transport Corporation ) operates bus service in Bangalore airport.
Chikkalasandra Bus Stand > BIAL - via (Padmanabhanagar - Kathriguppe - Hosakerehalli Cross - Deepanjalinagar - Vijayanagara - New P.E.S. I.T Navarang - Malleshwaram Bus Station - Sadashivanagara Bash yam Circle - Mekhri Circle - Hebbal - Kogilu Cross Junction)
Kuvempu Nagar ( BTM Layout ) > BIAL - via (J.P.Nagar 3rd Phase - Jayanagar 9th Block - Jayanagar Bus Station - Vijaya College - Minerva Circle - Corporation - Kasturba Road - Basaveshwara Circle - Mekhri Circle - Hebbal - Kogilu Cross Junction )
Unlike many other airports in India auto rickshaws ( 3 wheeler taxi) are not allowed in the vicinity of BIAL. So practically to options to access the airport are either by bus or car ( private /taxi).
There are some an efficient taxi operations too available at BIAL. It cost about Rs 500 ( USD 10) for a ride to the city center from the airport. And of course the upscale hotels arrange airport pickup/drop service for the guests.