Bihar to Kerala · Compare flights, trains, buses & driving options
The straight-line (aerial) distance from Patna to Thiruvananthapuram is approximately 2,088 km (1,297 miles). By road, the distance increases to approximately 2,819 km due to the terrain, highways, and road networks connecting Bihar to Kerala.
Flying is the fastest way to cover the 2,088 km distance. Flights from PAT to TRV take approximately 3 hours including boarding and taxiing. Multiple airlines operate on this route, and fares vary depending on the season, time of booking, and class of travel.
For the best prices, book 2-3 weeks in advance and opt for mid-week departures (Tuesday, Wednesday) which are typically cheaper than weekend flights.
Search Patna to Thiruvananthapuram FlightsIndian Railways connects Patna and Thiruvananthapuram with multiple daily services. The journey takes around 51.3 hours — Rajdhani and Shatabdi express trains are faster, while mail and passenger trains make more stops.
Book in advance through IRCTC, especially during festivals and holidays when seats fill up quickly.
Check Trains on IRCTCA road trip from Patna to Thiruvananthapuram covers approximately 2,819 km and takes around 56.4 hours. Actual time depends on traffic, road quality, and stops along the way.
Start early to avoid city traffic and use daylight hours, especially on mountainous or rural terrain. Ensure your vehicle is in good condition and carry sufficient fuel for remote stretches.
For official travel information, regulations, and booking services:
IRCTC — Indian Railway Catering and Tourism Corporation — Book train tickets online
Airports Authority of India — Airport information and flight status
DGCA — Directorate General of Civil Aviation — Indian aviation regulator
Incredible India — Official tourism portal of India