The two airlines most popular with KAYAK users for flights from Thiruvananthapuram to Singapore are IndiGo and Scoot. With an average price for the route of ₹ 25,541 and an overall rating of 7.2, IndiGo is the most popular choice. Scoot is also a great choice for the route, with an average price of ₹ 19,611 and an overall rating of 6.5.