The nearest railway station from Chenani Airport is Thirusulam Railway Station. Take the Chennai Beach Local Line to Park Railway Station in Chennai City Centre. Chennai airport does not have its own railway station, however, passengers can go to Thirusulam railway station which is located 2 km away from Chennai airport.

There’s also a suburban train station at Tirusulam, a couple of kilometers from the airport. Suburban trains run from there to Egmore Station. Travel time is about 40 minutes.

The route is Tambaram to Chennai Beach and stops in important stations: Chennai Airport (Tirusulam RS) and Egmore (Egmore RS) and Chennai Central Station(Park RS), among others.

Here are the steps to reach Chennai Airport via train:

1. Reach Tirusulam Railway Station: You can reach Tirusulam Railway Station by taking a suburban train from Chennai Central or any other major railway station in Chennai.

2. Board a Train to Tirusulam: Once at Chennai Central or another station, look for trains heading towards Tirusulam Railway Station. These trains usually operate on the Chennai Beach to Chengalpattu route.

3. Alight at Tirusulam: After boarding the train, travel until you reach Tirusulam Railway Station. It’s a short distance from the airport.

4. Take a Local Transport: Upon reaching Tirusulam Railway Station, you can take a taxi, auto-rickshaw, or app-based cab service like Ola or Uber to reach Chennai Airport.

This line connects Chennai Airport with lots of places around. Those are

1. Tambaram Sanatorium,
2. Chromepet, 
3. Pallavaram ,
4. Tirusulam, (Airport)
5. Meenambakkam, 
6. Palavanthangal,
7. St.Thomas Mount, 
8. Guindy, (Industrial area)
9. Saidapet, 
10. Mambalam, (T.Nagar –
11. Retail Business)
12. Kodambakkam, 
13. Nungambakkam, (Business, Education)
    Chetpat, 
14. Chennai Egmore, (Rail Terminus)
15. Chennai Park, (Near Chennai Central)
16. Chennai Fort,
17. Chennai Beach