The Thiruvananthapuram to Krishnagiri bus route covers approximately 599 kms and takes about 11 hrs 33 mins. A total of 40 direct buses operated by 19 bus operators run on this route. The first bus departs at 09:00, and the last bus leaves at 22:35.
Major boarding points in Thiruvananthapuram include Aristo Junction, Attingal, Balaramapuram, Chakka Pass, East Thampanoor, Fortis Hospital Cunningham Road, Infosys Campus, Kaliyakavilai, Kaniyapuram,, Kazhakootam, while common drop locations in Krishnagiri are Krishnagiri Bypass, Maruthy Showroom.
RTC and private operators such as Kallada Travels (Suresh Kallada), JaiSai Roadlinks (JSR), VKV Travels, Orange Tours And Travels offer Volvo, AC, and non-AC seater and sleeper buses. Ticket prices on redBus range from INR 650 - INR 4000.00 depending on the bus type and features.



