St. Thomas Mount to Chennai International Airport Metro Route Map, Fare, Time & Interchange Details
1 Chennai Metro Route Available Between St. Thomas Mount & Chennai International Airport
This metro route map shows how to travel from St. Thomas Mount Metro Station to Chennai International Airport Metro Station using the Chennai Metro. It includes the complete route map, platform details, total distance, travel time, interchange stations, fare information, and entry and exit gates. You can also check first and last metro timings to plan a smooth and convenient journey.
Below are the available Chennai Metro routes from St. Thomas Mount to Chennai International Airport, including the fastest route and alternative route options.
Fastest Route (16 Minutes) Via Green Line•Blue Line
Interchange at Arignar Anna Alandur
5 Stations
1 Interchange
₹30
5 Stations
1 Interchange
₹30
St. Thomas Mount
Arignar Anna Alandur
Arignar Anna Alandur
OTA Nanganallur Road
Meenambakkam
Chennai International Airport
St. Thomas Mount to Chennai International Airport Metro Route, Fare, Time, Distance & Interchange Details
Traveling from St. Thomas Mount to Chennai International Airport is a journey of approximately 6.0 km. Whether you are a daily commuter or a first-time traveler, this guide provides the fastest route, interchange details, and the latest fare information for 2026.
Route Summary & Journey Stats
| Journey Details | Information |
|---|---|
| Travel Time | ~16 Minutes |
| Ticket Fare | ₹30 (Standard) |
| Total Stations | 5 |
| Interchanges | 1 (Arignar Anna Alandur) |
| Lines Used | Green Line, Blue Line |
| Trip Distance | 6.0 km |
This route requires one interchange at Arignar Anna Alandur Metro Station, where passengers switch from the Green Line to the Blue Line towards Chennai International Airport to reach Chennai International Airport.
Fare Data Last Verified: March 2026 · Source: Official fare chart — Chennai Metro website
Stations Between St. Thomas Mount and Chennai International Airport Metro Route
The fastest Chennai Metro route from St. Thomas Mount Metro Station to Chennai International Airport Metro Station passes through 5 stations, including Arignar Anna Alandur, Arignar Anna Alandur, OTA Nanganallur Road, and Meenambakkam. Below is the complete station-by-station list.
- St. Thomas Mount Metro Station
- Arignar Anna Alandur Metro Station
- OTA Nanganallur Road Metro Station
- Meenambakkam Metro Station
- Chennai International Airport Metro Station
St. Thomas Mount to Chennai International Airport Metro Route Summary & Navigation
To travel from St. Thomas Mount Metro Station to Chennai International Airport Metro Station, passengers need one interchange at Arignar Anna Alandur on the Green Line to Blue Line route.
Follow these step-by-step directions:
- 1.Board the Green Line from St. Thomas Mount towards Puratchi Thalaivar Dr. M.G. Ramachandran Central (MGR Central - Chennai Central).
- 2.Travel one station to Arignar Anna Alandur Metro Station.
- 3.At Arignar Anna Alandur Metro Station, change from the Green Line to the Blue Line towards Chennai International Airport.
- 4.Continue on the Blue Line and exit at Chennai International Airport Metro Station.
This is the fastest Chennai Metro route from St. Thomas Mount to Chennai International Airport, requiring only one interchange at Arignar Anna Alandur Metro Station.
The total journey includes 5 metro stations, covers approximately 6.0 km, and takes around 16 minutes via the Green Line, Blue Line interchange at Arignar Anna Alandur.
St. Thomas Mount Metro Station Entry & Exit Gates Guide
St. Thomas Mount Metro Station features multiple entry and exit gates connecting passengers to nearby metro lines, commercial areas, and city roads, nearby markets, offices, and surrounding city roads. Choosing the correct gate can help reduce walking distance and make interchanges faster and more convenient.
Entry and exit gate information is currently not available for this station. We are working to update this information.
Chennai International Airport Metro Station Entry & Exit Gates Guide
Chennai International Airport Metro Station features multiple entry and exit gates connecting passengers to nearby metro lines, commercial areas, and city roads, nearby markets, offices, and surrounding city roads. Choosing the correct gate can help reduce walking distance and make interchanges faster and more convenient.
Entry and exit gate information is currently not available for this station. We are working to update this information.
Return Journey
Planning to travel back? To return to St. Thomas Mount, follow the reverse direction on the metro. Interchange stations and approximate travel time are the same in reverse; check first and last train timings before you board.
View Return Route: Chennai International Airport to St. Thomas Mount
Chennai Metro Network Overview
Find essential details about the Chennai Metro Network, including operational information, train timings, network scale, and key contact details. This overview helps you quickly understand the system before planning your journey.
Launched Year
2015
Total Lines
2+
Total Stations
41+
Train Length
4 / 8 Coaches
First Train
5:00 AM
Last Train
11:00 PM
Operator
Chennai Metro Rail Limited
Owner
Chennai Metro Rail Limited (Joint Venture of Government of India and Government of Tamil Nadu)
Helpline
18604251515
Chennai Metro Network Map 2026
View the latest Chennai Metro Network Map (2026) with all operational lines and stations. The map shows line colors, station sequence, and interchange points to help you understand the network layout and plan your journey more efficiently.
Click to view full size
Frequently Asked Questions
How many metro routes are available from St. Thomas Mount to Chennai International Airport?
We found 1 metro route between St. Thomas Mount and Chennai International Airport. The fastest option takes 16 minutes via the Green Line and Blue Line, with one interchange at Arignar Anna Alandur.
How long does it take to travel from St. Thomas Mount to Chennai International Airport by metro?
The fastest route takes approximately 16 minutes, covering 6.0 km across Green Line and Blue Line. This includes an interchange at Arignar Anna Alandur, where you switch platforms — typically a 3–5 minute walk. During peak hours, factor in an extra few minutes as interchange stations see heavier foot traffic.
What is the metro fare from St. Thomas Mount to Chennai International Airport?
The standard fare on the fastest route is ₹30. A Chennai Metro Smart Card (where a 10% discount applies) brings this down to about ₹27 per trip.
Where do I change trains between St. Thomas Mount and Chennai International Airport?
You change trains at Arignar Anna Alandur. After boarding the Green Line at St. Thomas Mount (Platform 2, direction Towards Puratchi Thalaivar Dr. M.G. Ramachandran Central (MGR Central - Chennai Central)), travel 1 stops to Arignar Anna Alandur. At Arignar Anna Alandur, follow signs for the Blue Line and board towards Towards Chennai International Airport. The interchange walk typically takes 3–5 minutes — follow the overhead colour-coded signs rather than exiting the station.
What are the first and last metro timings from St. Thomas Mount to Chennai International Airport?
Published first and last times are network- and line-level guides; your actual first and last viable journey depends on connections at Arignar Anna Alandur between the Green Line and Blue Line. Check official Chennai Metro sources or station displays on the day of travel, especially for early-morning or late-evening trips. For last trains, confirm you can still make the Blue Line leg after boarding from St. Thomas Mount.
Is there a direct metro from St. Thomas Mount to Chennai International Airport?
No direct route exists between St. Thomas Mount and Chennai International Airport — one interchange is required at Arignar Anna Alandur, switching from the Green Line to the Blue Line. The interchange is well-signposted inside the station and takes 3–5 minutes. This is among the simpler interchange journeys on the Chennai Metro network.
Note: Routes are sorted by shortest path first, then by fewest interchanges. Travel times are estimates and may vary based on actual metro schedules.
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