Cheap flights from Colombo to Chennai from $125

In general, September is the cheapest month to fly from Colombo to Chennai. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $144. If you’re not able to fly to Chennai in September, then October is your next best option. Flight prices from Colombo to Chennai during October average around $162.

The cheapest day to depart on your flight to Chennai is on a Thursday when prices can be found for as low as $182. This is often the case because there is less demand to fly during this day of the week. Flights from Colombo to Chennai on a Sunday will generally be more expensive and average around $213. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

At noon is the cheapest time of day to fly from Colombo to Chennai when you can find flight prices for as low as $183. Flying to Chennai at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Chennai is in the afternoon when prices are around $211.

Fly from Colombo Bandaranaike Intl to Chennai for the best Colombo - Chennai flight prices

You are more likely to see cheaper flights to Chennai from Colombo when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around $188 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from Colombo for as low as $177 on momondo.

There are 3 cabin classes available to choose from on Colombo to Chennai flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

SriLankan Airlines and Singapore Airlines are the most popular carriers operating from Colombo to Chennai

SriLankan Airlines, IndiGo and Air India are the top three most popular airlines that fly to Chennai from Colombo according to our data. SriLankan Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Chennai. Keep in mind that there are 3 different airlines that fly to Chennai on a routine basis, so you have a few additional options to choose from.

Historically, on average around 12% of flights between Colombo and Chennai have experienced a delay on any given week. The average delay length over the past 12 months has been 97 minutes.

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

Wednesday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 6% of their flights experiencing any sort of delay.

The number of flights available between Colombo and Chennai is 5 per day as of August 2026. The most frequent departure time is 7:00AM, with 44% of daily flights leaving in the afternoon.

As of August 2026, there are 37 flights per week flying from Colombo to Chennai. The most common day of the week flights depart is Fri, with 24% of flights taking off on this day.