€402 Cheap flights to Tamil Nadu

The average flight to Tamil Nadu costs €80/per person and the cheapest flight to Tamil Nadu is €51/per person. This price varies based on a multitude of factors such as departure airport, airline, time of booking and when you plan on travelling.

Chennai is about 93% more popular to visit than any other city in Tamil Nadu, according to momondo users. When visiting Chennai, it is recommended to fly into Chennai Airport, where you can typically get the cheapest prices and the most convenient travel options into the city.

The temperatures in Tamil Nadu range from 25 °C to 33 °C depending on the time of year. The warmest month in Tamil Nadu is May, and the coldest month in Tamil Nadu is January. Those looking for a drier month during their visit should travel during the months of February, February, or February, when rain is least likely compared to the rest of the year.

You can find flights to Tamil Nadu from 6 airlines. If you’re unsure which to fly with, consider booking your flight with Etihad Airways, Qatar Airways or Emirates as these are the most popular among our users. Etihad Airways is the most favoured with 71% of momondo travellers booking flights with this airline.

Flight times vary depending on what airport in Ireland you fly out of and what airport in Tamil Nadu you fly into. For example, flying from Dublin to Chennai takes 13h 35m on average. On the other hand, flying from Cork to Chennai takes on average. Keep in mind that it’s always quicker to opt for a non-stop flight, so be sure to check momondo to see if there are any available for your route.

Flying to Tamil Nadu on a Wednesday or Monday is your best option since this is when flight prices tend to be at their lowest for the week. The most expensive day of the week to fly to Tamil Nadu is on a Thursday.

Prices for flights to Tamil Nadu are updated daily.

As of December 2025, there are 6 operators available to choose from for flights to Tamil Nadu.

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to Tamil Nadu.

The travel and health documents you'll need for your trip to Tamil Nadu may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Tamil Nadu. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.