Flights from Trivandrum to Delhi connect Kerala's capital and gateway to the southern coast with the national capital and northern India's main aviation hub. Non-stop flights depart from Trivandrum International Airport (TRV) and arrive at Indira Gandhi International Airport (DEL), with a flight time of around 3 hours 30 minutes. IndiGo operates the most frequent services on this route. One-way fares start from ₹9,423, though prices vary depending on the season, day of the week, and how far in advance you book. We track this route daily — check the price calendar below to find the cheapest dates.
Airlines on this route
Frequently Asked Questions
What is the cheapest month to fly from Trivandrum to Delhi?
August typically offers the lowest fares on this route, with prices starting from ₹9,423. Booking 4-6 weeks in advance gives you the best chance of securing these rates.
How much does a Trivandrum to Delhi flight cost?
One-way flights from Trivandrum to Delhi typically cost between ₹9,423 and ₹14,186. Prices vary by season, airline, and how far in advance you book. Use our price calendar to spot the cheapest dates.
Which airline is cheapest for Trivandrum to Delhi flights?
With 5 carriers on this route, there's strong price competition. IndiGo and Air India generally have the lowest base fares, while Air India includes checked baggage and meals at a slightly higher price point. Budget carriers like SpiceJet run frequent sales worth watching.
How far in advance should I book Trivandrum to Delhi flights?
For the best fares, book 4-6 weeks in advance. Last-minute domestic bookings can cost 40-60% more, especially during holidays and long weekends. Tuesday and Wednesday departures tend to be cheapest.
Are there direct flights from Trivandrum to Delhi?
Yes, non-stop flights operate between Trivandrum International Airport and Indira Gandhi International Airport. IndiGo runs the most frequent non-stop service, with a flight time of about 3 hours 30 minutes.
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Last updated: April 2026