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Cheap flights from St. Louis to Chennai from ₹ 41,836

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAA
17 Mar — 24 Mar1
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 15 February 2026.

Tue 17/211:39
STL
-
MAA
2 stops24h 56m
Lufthansa
Tue 3/301:50
MAA
-
STL
1 stop23h 35m
Lufthansa
Deal found 12/2₹ 85,393
Thu 9/405:46
STL
-
MAA
2 stops34h 09m
Multiple Airlines
Sun 26/410:15
MAA
-
STL
2 stops43h 45m
Multiple Airlines
Deal found 13/2₹ 86,208
Wed 25/214:19
STL
-
MAA
2 stops24h 41m
Multiple Airlines
Wed 11/304:05
MAA
-
STL
2 stops30h 23m
Multiple Airlines
Deal found 12/2₹ 86,842
Wed 1/409:15
STL
-
MAA
2 stops30h 40m
Etihad Airways
Sat 11/410:15
MAA
-
STL
2 stops43h 45m
Etihad Airways
Deal found 13/2₹ 86,933
Tue 31/309:59
STL
-
MAA
2 stops23h 41m
Etihad Airways
Tue 28/410:15
MAA
-
STL
2 stops37h 37m
Etihad Airways
Deal found 12/2₹ 87,205
Wed 1/412:05
STL
-
MAA
2 stops28h 15m
Qatar Airways
Wed 29/404:20
MAA
-
STL
2 stops28h 27m
Qatar Airways
Deal found 12/2₹ 87,386
Tue 3/309:23
STL
-
MAA
2 stops29h 37m
Qatar Airways
Tue 17/303:40
MAA
-
STL
2 stops30h 34m
Qatar Airways
Deal found 12/2₹ 87,929
Wed 25/206:06
STL
-
MAA
2 stops26h 19m
Multiple Airlines
Mon 16/310:00
MAA
-
STL
2 stops44h 46m
Multiple Airlines
Deal found 12/2₹ 88,020
Tue 24/210:37
STL
-
MAA
2 stops28h 28m
Qatar Airways
Wed 11/303:40
MAA
-
STL
2 stops30h 34m
Qatar Airways
Deal found 12/2₹ 88,201
Wed 25/214:00
STL
-
MAA
2 stops25h 00m
Qatar Airways
Tue 17/304:05
MAA
-
STL
2 stops30h 09m
Qatar Airways
Deal found 12/2₹ 88,291
Tue 17/214:00
STL
-
MAA
2 stops25h 05m
Qatar Airways
Mon 2/304:05
MAA
-
STL
2 stops31h 21m
Qatar Airways
Deal found 12/2₹ 88,382
Sun 1/306:00
STL
-
MAA
2 stops38h 40m
Multiple Airlines
Sun 8/315:25
MAA
-
STL
2 stops42h 49m
Multiple Airlines
Deal found 11/2₹ 88,563

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 15 February 2026.

Round-trip from

₹ 85,393

One-way from

₹ 41,836

Popular in

July

Cheapest in

February

Average price

₹ 91,642
Etihad Airways
  • Etihad Airways
  • 30/3-30/4
  • 4 total stops
  • 63h 57m total
  • St. Louis to Chennai
Search Deals
1/3
  • 1/3
  • 2 total stops
  • 28h 40m total
  • St. Louis to Chennai
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (₹ 1,678,879 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (₹ 232,739 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 15 February 2026.
Use the filters below to find and compare flights from St. Louis to Chennai that are best for you.

Fly from

St. Louis

Fly to

Chennai

Route

Depart

Return

Price

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Thu 9/4

05:46-02:25

2 stops34h 09m

Chennai

Sun 26/4

10:15-19:30

2 stops43h 45m

₹ 86,208

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 3/3

09:23-02:30

2 stops29h 37m

Chennai

Tue 17/3

03:40-23:44

2 stops30h 34m

₹ 87,929

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Thu 26/2

07:05-19:55

2 stops25h 20m

Chennai

Thu 12/3

10:00-13:43

2 stops38h 13m

₹ 88,020

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 25/2

06:06-19:55

2 stops26h 19m

Chennai

Mon 16/3

10:00-20:16

2 stops44h 46m

₹ 88,020

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 28/2

06:06-08:10

2 stops38h 34m

Chennai

Mon 16/3

10:00-20:16

2 stops44h 46m

₹ 88,020

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 28/2

08:00-08:10

2 stops36h 40m

Chennai

Tue 17/3

10:00-13:39

2 stops38h 09m

₹ 88,020

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 25/2

06:06-08:10

2 stops38h 34m

Chennai

Wed 11/3

10:00-17:53

2 stops42h 23m

₹ 88,020

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 27/2

08:00-08:10

2 stops36h 40m

Chennai

Mon 16/3

10:00-20:16

2 stops44h 46m

₹ 88,020

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 25/2

09:37-08:10

2 stops35h 03m

Chennai

Thu 12/3

15:25-13:43

2 stops32h 48m

₹ 88,020

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 25/2

14:00-02:30

2 stops25h 00m

Chennai

Thu 12/3

04:05-23:44

2 stops30h 09m

₹ 88,291

Flights are sorted by cheapest return flights first.

Deals found on 11/2

Showing 1-10 of 11 results
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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 February 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 ₹ 86,208). Flying from St. Louis to Chennai in June is currently the most expensive (average of ₹ 134,203). 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 37m. Qatar Airways provides one of the quickest options available for as low as ₹ 87,929. 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 ₹ 86,208). Flying from St. Louis to Chennai in June is currently the most expensive (average of ₹ 134,203). 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
Mahabalipuram
Vellore

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Chennai

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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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