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Cheap flights from St. Louis to Chennai from ₹ 98,016

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 19/9. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAA
16 Jun — 23 Jun1
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 17 May 2026.

Sat 19/909:46
STL
-
MAA
2 stops30h 09m
Multiple Airlines
Sat 26/921:55
MAA
-
STL
2 stops36h 08m
Multiple Airlines
Deal found 13/5₹ 98,016
Tue 17/1114:50
STL
-
MAA
2 stops24h 00m
Qatar Airways
Tue 8/1203:25
MAA
-
STL
2 stops32h 03m
Qatar Airways
Deal found 12/5₹ 102,236
Sat 8/813:25
STL
-
MAA
2 stops26h 30m
Multiple Airlines
Sat 22/804:05
MAA
-
STL
2 stops30h 24m
Multiple Airlines
Deal found 13/5₹ 103,771
Sun 15/1114:50
STL
-
MAA
2 stops24h 00m
Qatar Airways
Wed 9/1204:05
MAA
-
STL
2 stops26h 52m
Qatar Airways
Deal found 12/5₹ 105,593
Thu 22/1013:00
STL
-
MAA
2 stops27h 10m
Qatar Airways
Mon 2/1103:25
MAA
-
STL
2 stops27h 35m
Qatar Airways
Deal found 12/5₹ 105,976
Wed 18/1110:45
STL
-
MAA
2 stops28h 05m
Qatar Airways
Sun 6/1204:05
MAA
-
STL
2 stops26h 52m
Qatar Airways
Deal found 12/5₹ 108,278
Sun 15/1114:50
STL
-
MAA
2 stops24h 00m
Qatar Airways
Fri 11/1204:05
MAA
-
STL
2 stops26h 52m
Qatar Airways
Deal found 12/5₹ 109,429
Fri 23/1009:35
STL
-
MAA
2 stops30h 35m
Qatar Airways
Tue 10/1104:05
MAA
-
STL
2 stops26h 52m
Qatar Airways
Deal found 12/5₹ 109,813
Wed 18/1105:21
STL
-
MAA
2 stops33h 39m
Qatar Airways
Tue 8/1204:05
MAA
-
STL
2 stops31h 23m
Qatar Airways
Deal found 13/5₹ 110,388
Wed 30/1210:01
STL
-
MAA
2 stops28h 49m
Qatar Airways
Mon 25/103:25
MAA
-
STL
2 stops54h 49m
Qatar Airways
Deal found 15/5₹ 110,580
Wed 18/1110:45
STL
-
MAA
2 stops28h 05m
Qatar Airways
Sat 5/1204:05
MAA
-
STL
2 stops26h 52m
Qatar Airways
Deal found 12/5₹ 112,115

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 17 May 2026.

Round-trip from

₹ 98,016

Popular in

December

Cheapest in

March

Average price

₹ 123,527
19/9-26/9
  • 19/9-26/9
  • 4 total stops
  • 66h 17m total
  • St. Louis to Chennai
Search Deals
Highest demand for flights based on searches. 9% potential increase in price (₹ 1,320,602 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (₹ 464,886 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 17 May 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

Wed 28/10

13:00-02:20

2 stops26h 50m

Chennai

Fri 6/11

04:05-19:27

2 stops26h 52m

₹ 109,813

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 8/8

09:21-08:25

2 stops36h 34m

Chennai

Sat 22/8

21:55-23:59

2 stops36h 34m

₹ 111,443

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 24/7

14:31-02:25

2 stops25h 24m

Chennai

Fri 31/7

04:05-00:16

2 stops30h 41m

₹ 111,443

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 29/6

06:00-02:25

2 stops33h 55m

Chennai

Mon 13/7

04:05-00:16

2 stops30h 41m

₹ 135,612

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 15/6

13:13-08:55

3 stops33h 12m

Chennai

Wed 8/7

18:00-21:26

3 stops37h 56m

₹ 147,120

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 19/6

17:03-02:25

2 stops22h 52m

Chennai

Fri 3/7

10:15-15:29

2 stops39h 44m

₹ 156,999

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 10/6

14:56-08:25

2 stops30h 59m

Chennai

Tue 30/6

21:55-20:32

2 stops33h 07m

₹ 157,958

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 19/6

09:09-02:25

2 stops30h 46m

Chennai

Sun 5/7

04:05-00:16

2 stops30h 41m

₹ 160,835

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 27/5

09:24-02:50

2 stops30h 56m

Chennai

Thu 9/7

04:05-19:21

2 stops25h 46m

₹ 161,602
Fastest return journey

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 6/7

14:31-02:40

2 stops25h 39m

Chennai

Thu 27/8

03:55-19:25

2 stops26h 00m

₹ 164,863

Flights are sorted by cheapest return flights first.

Deals found on 16/5

Showing 1-10 of 13 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 ₹ 93,413). Flying from St. Louis to Chennai in December is currently the most expensive (average of ₹ 183,757). 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 26h 50m. Qatar Airways provides one of the quickest options available for as low as ₹ 109,813. 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 ₹ 93,413). Flying from St. Louis to Chennai in December is currently the most expensive (average of ₹ 183,757). 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?

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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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