Cheap flights from Chennai to Thiruvananthapuram from ₹ 5,135

The cheapest month to fly to Thiruvananthapuram from Chennai is in July. Flight prices, which tend to average around ₹ 9,224, are often lower during this time because this is during the off-season. If you don’t want to visit Thiruvananthapuram in July, then you should wait until August to fly from Chennai, when ticket prices are also cheap, with an average price of ₹ 9,890.

On average, the least expensive day to fly to Thiruvananthapuram from Chennai is on a Saturday. momondo users have found tickets for Saturday departures for as low as ₹ 10,578. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Thiruvananthapuram on Thursday is ₹ 11,189.

The cheapest time of day to fly to Thiruvananthapuram is in the evening when flights can be purchased for as low as ₹ 10,550. In the afternoon is when there is more demand to fly to Thiruvananthapuram, so prices are often more expensive at around ₹ 11,360 per ticket.

Fly from Chennai to Thiruvananthapuram for the best Chennai - Thiruvananthapuram flight prices

You are more likely to see cheaper flights to Thiruvananthapuram from Chennai when booking weeks ahead of your departure date. In general, you can expect to find flights to Thiruvananthapuram for around ₹ 11,062 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Thiruvananthapuram from Chennai for as low as ₹ 8,748 on momondo.

Historically, on average around 8% of flights between Chennai and Thiruvananthapuram have experienced a delay on any given week. The average delay length over the past 12 months has been 88 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

According to our data, IndiGo have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

As of May 2026, there are 3 flights per day flying from Chennai to Thiruvananthapuram. The most common time of day flights depart is 07:00, with 33% of flights taking off at midday.

The number of flights available between Chennai and Thiruvananthapuram is 22 per week as of May 2026. The most frequent departure day is Tue, with 18% of weekly flights leaving on this day.