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Cheap flights from St. Louis to Chennai from ₹ 48,710

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAA
1 May — 8 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. Louis to Chennai

Enter your travel dates to find the best prices.

Cheapest flights from St. Louis to Chennai
Explore the most affordable flight options available from St. Louis to Chennai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2026.

Fri 17/407:00
STL
-
MAA
2 stops26h 45m
Multiple Airlines
Sat 27/621:55
MAA
-
STL
2 stops32h 33m
Multiple Airlines
Deal found 30/3₹ 87,096
Fri 17/407:00
STL
-
MAA
2 stops26h 45m
Multiple Airlines
Sat 12/921:55
MAA
-
STL
2 stops28h 02m
Multiple Airlines
Deal found 31/3₹ 87,378
Sun 19/407:00
STL
-
MAA
2 stops33h 15m
Multiple Airlines
Thu 14/521:55
MAA
-
STL
2 stops32h 05m
Multiple Airlines
Deal found 27/3₹ 87,472
Sat 18/408:57
STL
-
MAA
2 stops24h 48m
Multiple Airlines
Sat 12/921:55
MAA
-
STL
2 stops36h 08m
Multiple Airlines
Deal found 30/3₹ 88,973
Sun 19/407:00
STL
-
MAA
2 stops33h 15m
Multiple Airlines
Fri 15/516:05
MAA
-
STL
2 stops35h 06m
Multiple Airlines
Deal found 27/3₹ 89,349
Sat 25/407:05
STL
-
MAA
2 stops33h 10m
Multiple Airlines
Fri 1/516:05
MAA
-
STL
2 stops37h 58m
Multiple Airlines
Deal found 28/3₹ 91,226
Sun 19/412:27
STL
-
MAA
2 stops27h 43m
Qatar Airways
Wed 13/503:55
MAA
-
STL
2 stops30h 31m
Qatar Airways
Deal found 27/3₹ 91,414
Tue 14/416:30
STL
-
MAA
2 stops23h 25m
Qatar Airways
Wed 13/504:20
MAA
-
STL
2 stops28h 29m
Qatar Airways
Deal found 27/3₹ 92,165
Thu 2/411:22
STL
-
MAA
2 stops28h 33m
Qatar Airways
Thu 23/404:20
MAA
-
STL
2 stops28h 27m
Qatar Airways
Deal found 30/3₹ 93,854
Sun 19/412:27
STL
-
MAA
2 stops27h 43m
Qatar Airways
Fri 15/504:20
MAA
-
STL
2 stops53h 03m
Qatar Airways
Deal found 27/3₹ 94,042
Wed 1/409:15
STL
-
MAA
2 stops31h 00m
Multiple Airlines
Wed 22/421:55
MAA
-
STL
2 stops27h 47m
Multiple Airlines
Deal found 31/3₹ 94,980

Find flight deals from St. Louis to Chennai

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Chennai (MAA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 April 2026.

Round-trip from

₹ 87,096

One-way from

₹ 48,710

Popular in

July

Cheapest in

February

Average price

₹ 113,845
17/4-27/6
  • 17/4-27/6
  • 4 total stops
  • 59h 18m total
  • St. Louis to Chennai
Search Deals
5/5
  • 5/5
  • 2 total stops
  • 33h 15m total
  • St. Louis to Chennai
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (₹ 2,376,730 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 269,104 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from St. Louis to Chennai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 1 April 2026.
Use the filters below to find and compare flights from St. Louis to Chennai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 17/4

07:00-20:15

2 stops26h 45m

Chennai

Sat 27/6

21:55-19:58

2 stops32h 33m

₹ 87,096

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 26/4

07:00-20:15

2 stops26h 45m

Chennai

Sun 3/5

16:05-18:04

2 stops36h 29m

₹ 87,472

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 1/5

07:00-02:50

2 stops33h 20m

Chennai

Sun 31/5

16:05-19:00

2 stops37h 25m

₹ 87,472

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 19/4

07:00-02:45

2 stops33h 15m

Chennai

Fri 15/5

16:05-16:41

2 stops35h 06m

₹ 89,349

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 19/4

07:00-02:45

2 stops33h 15m

Chennai

Mon 15/6

21:55-20:30

2 stops33h 05m

₹ 89,349

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 10/5

07:00-02:50

2 stops33h 20m

Chennai

Tue 30/6

04:05-20:30

2 stops26h 55m

₹ 89,349

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 27/4

09:10-04:25

2 stops32h 45m

Chennai

Mon 4/5

16:05-14:03

2 stops32h 28m

₹ 89,349

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 13/5

07:00-02:50

2 stops33h 20m

Chennai

Wed 10/6

21:55-20:52

2 stops33h 27m

₹ 89,349

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 8/8

08:35-02:25

2 stops31h 20m

Chennai

Sat 22/8

04:05-20:19

2 stops26h 44m

₹ 91,226

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 20/4

12:27-02:50

2 stops27h 53m

Chennai

Mon 11/5

04:20-23:56

2 stops30h 06m

₹ 97,983

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from St. Louis to Chennai

Have a flexible travel schedule? Discover the best time to fly to Chennai from St. Louis with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Chennai

How far ahead should I book a flight from St. Louis to Chennai?

Use this chart to determine the optimal time to book a return flight from St. Louis to Chennai. Price data was last updated on 13 March 2026.

To ensure you get the cheapest price possible for a flight from St. Louis to Chennai, you should look to book at least 70 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from St. Louis to Chennai?

Currently, March is the cheapest month in which you can book a flight from St. Louis to Chennai (average of ₹ 88,129). Flying from St. Louis to Chennai in June is currently the most expensive (average of ₹ 138,716). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from St. Louis to Chennai?

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Chennai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find deals for flights from St. Louis to Chennai that include hotel bookings?

    Yes. In addition to deals on St. Louis to Chennai flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Chennai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Chennai.

  • Can I find deals for business class flights from St. Louis to Chennai?

    Yes. Cheapflights offers flight deals from St. Louis to Chennai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Chennai?

    Currently, March is the cheapest month in which you can book a flight from St. Louis to Chennai (average of ₹ 88,129). Flying from St. Louis to Chennai in June is currently the most expensive (average of ₹ 138,716). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Chennai?

Book flights to Chennai if you plan to visit one of these locations
Vellore
Mahabalipuram

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Alternative routes for St. Louis to Chennai

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Kansas City to Chennai flights

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How does Cheapflights help users find flights from St. Louis to Chennai?

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Why should you use Cheapflights to find cheap flight tickets from St. Louis to Chennai?

Millions of users choose and trust Cheapflights to book the best flight deals from St. Louis to Chennai for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from St. Louis to Chennai with no change fees?

Certainly. Search results for flights to Chennai from St. Louis shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from St. Louis to Chennai become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Chennai from St. Louis today and book when prices fit your budget.

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