The Thiruvananthapuram to Kothamangalam bus route covers approximately 221 kms and takes about 5 hrs 56 mins. A total of 22 direct buses operated by 3 bus operators run on this route. The first bus departs at 00:35, and the last bus leaves at 23:45.
Major boarding points in Thiruvananthapuram include Attingal, East Thampanoor, Kaniyapuram,, Kazhakootam, Kesavadasapuram, Pattam, Sreekaryam, Thampanoor, Ulloor, while common drop locations in Kothamangalam are Kazhakkoottam, Kesavadasapuram, Pattom, Pmg, Trivandrum, Ulloor.
RTC and private operators such as KSRTC (Kerala) offer Volvo, AC, and non-AC seater and sleeper buses. Ticket prices on redBus range from INR 280 - INR 550.00 depending on the bus type and features.



