Are there nonstop flights from Singapore (SIN) to Thiruvananthapuram (TRV)?

Yes. Scoot fly this route. Flight time is about 4h 9m.

What is the fastest connection from Singapore (SIN) to Thiruvananthapuram (TRV)?

via Colombo ≈ 4h 39m, via Kuala Lumpur ≈ 4h 40m, via Tiruchirappalli ≈ 4h 53m (estimated flying time, excluding layovers).

from 15,000 JAL miles, from 15,000 ANA miles (economy, one way, based on the published award charts).

Singapore Changi Airport (SIN) to Thiruvananthapuram International Airport (TRV)・3,100 km

Nonstop flights available (1 airline). Flight time about 4h 9m. Nonstop return flights also operate.

With milesJAL 15,000 miles+ (via CMB)ANA 15,000 miles+ (via BOM)Economy, one way, estimate. Tap a connection for miles by cabin.

11 one-stop options, sorted by estimated flying time. Tap one to see the airlines on each leg and booking links.

Times are estimated from distance. Check schedules, frequency and availability with the airline or a booking site.