Bengaluru to Chennai bus timings

The first KSRTC bus from Bengaluru Shantinagar Bus Stand to Chennai leaves at 05:35 AM (Airavat Club Class, via Hosur).

The last scheduled service departs at 11:44 PM (Airavat Club Class, via Hosur).

49 services are scheduled from Bengaluru Shantinagar Bus Stand to Chennai every day, roughly every 23 minutes across the operating hours. 5 leave in the morning, 2 in the afternoon, 1 in the evening and 41 at night.

Airavat Club Class (19), Rajahamsa (11), Airavat (8), A/c Sleeper (5), Non A/c Sleeper (4), Gold Class (2). Premium classes need reservation on ksrtc.in; ordinary and Karnataka Sarige services usually sell tickets on board.

About 7 h 30 min – 10 h 27 min for the roughly 375 km road journey, depending on the class: Airavat Club Class ~7 h 30 min, Rajahamsa ~8 h 49 min, Airavat ~7 h 30 min, A/c Sleeper ~8 h 27 min, Non A/c Sleeper ~8 h 27 min, Gold Class ~10 h 27 min. These are estimates from road distance and typical KSRTC speeds; the timetable column "Est. arrival" adds them to each departure.

Depending on the service, buses run via Chittor, Hosur.

Yes. 31 services are scheduled from Chennai (KSRTC services) to Bengaluru. See the Chennai to Bengaluru timetable.