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Cheap flights from St. Louis to Chennai from ₹ 85,625

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 7/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAA
18 Jul — 25 Jul1
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 18 June 2026.

Sat 1/805:10
STL
-
MAA
2 stops40h 45m
Etihad Airways
Wed 19/810:15
MAA
-
STL
2 stops43h 45m
Etihad Airways
Deal found 14/6₹ 96,588
Sun 18/1009:35
STL
-
MAA
2 stops30h 35m
Qatar Airways
Mon 26/1004:05
MAA
-
STL
2 stops26h 11m
Qatar Airways
Deal found 15/6₹ 109,063
Thu 16/706:55
STL
-
MAA
2 stops26h 45m
Multiple Airlines
Wed 22/710:15
MAA
-
STL
2 stops41h 36m
Multiple Airlines
Deal found 17/6₹ 109,819
Thu 15/1013:00
STL
-
MAA
2 stops27h 10m
Qatar Airways
Sat 24/1004:20
MAA
-
STL
2 stops29h 51m
Qatar Airways
Deal found 16/6₹ 112,843
Mon 19/1016:32
STL
-
MAA
2 stops23h 48m
Qatar Airways
Mon 26/1003:25
MAA
-
STL
2 stops27h 13m
Qatar Airways
Deal found 15/6₹ 115,111
Thu 17/907:27
STL
-
MAA
2 stops32h 53m
Qatar Airways
Sun 20/903:55
MAA
-
STL
2 stops30h 21m
Qatar Airways
Deal found 17/6₹ 115,206
Sat 17/1013:00
STL
-
MAA
2 stops27h 20m
Qatar Airways
Sat 24/1003:25
MAA
-
STL
2 stops27h 13m
Qatar Airways
Deal found 16/6₹ 116,624
Thu 23/709:25
STL
-
MAA
2 stops36h 30m
Etihad Airways
Mon 17/816:05
MAA
-
STL
2 stops31h 19m
Etihad Airways
Deal found 15/6₹ 118,041
Tue 28/709:08
STL
-
MAA
2 stops24h 32m
Etihad Airways
Thu 13/816:05
MAA
-
STL
2 stops31h 19m
Etihad Airways
Deal found 14/6₹ 118,325
Mon 19/1016:32
STL
-
MAA
2 stops23h 38m
Qatar Airways
Sat 24/1004:20
MAA
-
STL
2 stops25h 38m
Qatar Airways
Deal found 15/6₹ 118,892
Fri 16/1009:35
STL
-
MAA
2 stops30h 35m
Qatar Airways
Tue 27/1004:05
MAA
-
STL
2 stops26h 33m
Qatar Airways
Deal found 16/6₹ 118,986
Mon 13/709:39
STL
-
MAA
2 stops36h 16m
Etihad Airways
Thu 20/810:15
MAA
-
STL
2 stops43h 14m
Etihad Airways
Deal found 17/6₹ 119,270

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 18 June 2026.

Round-trip from

₹ 96,588

One-way from

₹ 85,625

Popular in

June

Cheapest in

March

Average price

₹ 197,523
17/10-26/10
  • 17/10-26/10
  • 4 total stops
  • 63h 31m total
  • St. Louis to Chennai
Search Deals
Etihad Airways
  • Etihad Airways
  • 7/7
  • 2 total stops
  • 51h 42m total
  • St. Louis to Chennai
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (₹ 1,807,150 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease (₹ 566,055 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 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 18 June 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

Tue 1/9

10:22-20:10

2 stops23h 18m

Chennai

Fri 18/9

04:05-20:44

2 stops27h 09m

₹ 96,588

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Thu 17/9

11:01-02:40

2 stops29h 09m

Chennai

Sun 20/9

03:55-21:43

2 stops28h 18m

₹ 115,111

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 19/10

16:32-02:50

2 stops23h 48m

Chennai

Mon 26/10

03:25-20:08

2 stops27h 13m

₹ 115,111

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Thu 15/10

06:20-02:40

2 stops33h 50m

Chennai

Mon 26/10

03:25-19:46

2 stops26h 51m

₹ 115,206

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 1/8

13:20-02:50

2 stops27h 00m

Chennai

Wed 19/8

10:15-16:23

2 stops40h 38m

₹ 119,270

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 8/8

10:16-02:50

2 stops54h 04m

Chennai

Fri 21/8

03:55-20:26

2 stops27h 01m

₹ 143,559

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 14/7

17:13-02:40

2 stops46h 57m

Chennai

Wed 26/8

03:55-23:34

2 stops30h 09m

₹ 143,842

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Thu 23/7

09:25-08:25

2 stops36h 30m

Chennai

Mon 17/8

21:55-19:30

2 stops32h 05m

₹ 154,238

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 14/7

17:13-02:50

2 stops47h 07m

Chennai

Thu 27/8

03:55-19:43

2 stops26h 18m

₹ 156,695
Fastest return journey

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 16/10

15:30-00:10

1 stop22h 10m

Chennai

Sat 24/10

01:55-14:45

1 stop23h 20m

₹ 161,421

Flights are sorted by cheapest return flights first.

Deals found on 16/6

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

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?

To ensure you get the cheapest price possible for a flight from St. Louis to Chennai, you should look to book at least 69 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 ₹ 92,051). Flying from St. Louis to Chennai in June is currently the most expensive (average of ₹ 197,523). 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.

  • How long is the flight from St. Louis to Chennai?

    A quick flight from St. Louis to Chennai can take about 29h 09m. Qatar Airways provides one of the quickest options available for as low as ₹ 115,111. St. Louis and Chennai are separated by a distance of 14169 km.

  • 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 ₹ 92,051). Flying from St. Louis to Chennai in June is currently the most expensive (average of ₹ 197,523). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Chennai

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Chennai flights

Fly with Cheapflights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Chennai from St. Louis today with Cheapflights!

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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