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$459+ Cheap flights from St. Louis (STL) to Chennai (MAA)

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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAA
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from St. Louis to Chennai

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 January 26, 2026.

This Etihad Airways deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:13 am
STL
-
MAA
2 stops24h 27m
Multiple Airlines
Sun 5/39:55 pm
MAA
-
STL
2 stops25h 57m
Multiple Airlines
Deal found 1/25$932
This Etihad Airways deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:35 am
STL
-
MAA
2 stops39h 20m
Multiple Airlines
Thu 4/309:55 pm
MAA
-
STL
2 stops32h 05m
Multiple Airlines
Deal found 1/24$952
This Indian Eagle deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/232:19 pm
STL
-
MAA
2 stops24h 41m
Qatar Airways
Wed 3/114:05 am
MAA
-
STL
2 stops27h 36m
Qatar Airways
Deal found 1/25$969
This Etihad Airways deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/249:23 am
STL
-
MAA
2 stops29h 37m
Multiple Airlines
Sun 3/83:45 pm
MAA
-
STL
2 stops39h 56m
Multiple Airlines
Deal found 1/25$972
This Indian Eagle deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2211:46 am
STL
-
MAA
2 stops27h 14m
Qatar Airways
Tue 3/104:05 am
MAA
-
STL
2 stops30h 13m
Qatar Airways
Deal found 1/25$984
This FlightHub deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/1412:11 pm
STL
-
MAA
2 stops28h 09m
Qatar Airways
Wed 4/293:55 am
MAA
-
STL
2 stops29h 39m
Qatar Airways
Deal found 1/25$1,007
This Indian Eagle deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/212:25 pm
STL
-
MAA
2 stops24h 35m
Qatar Airways
Tue 3/104:05 am
MAA
-
STL
2 stops30h 13m
Qatar Airways
Deal found 1/25$1,009
This Indian Eagle deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/272:00 pm
STL
-
MAA
2 stops25h 00m
Qatar Airways
Tue 3/104:05 am
MAA
-
STL
2 stops30h 13m
Qatar Airways
Deal found 1/25$1,010
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/126:00 am
STL
-
MAA
2 stops34h 05m
Qatar Airways
Wed 3/183:40 am
MAA
-
STL
2 stops43h 34m
Qatar Airways
Deal found 1/26$1,015
This oojo deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/199:37 am
STL
-
MAA
2 stops29h 23m
Qatar Airways
Fri 2/274:05 am
MAA
-
STL
2 stops43h 58m
Qatar Airways
Deal found 1/26$1,020
This Indian Eagle deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/66:00 am
STL
-
MAA
2 stops33h 00m
Qatar Airways
Mon 2/93:40 am
MAA
-
STL
2 stops31h 49m
Qatar Airways
Deal found 1/25$1,024
This KAYAK deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:30 pm
STL
-
MAA
1 stop22h 10m
Lufthansa
Sat 5/21:55 am
MAA
-
STL
1 stop22h 00m
Lufthansa
Deal found 1/25$1,026

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 January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$932
(Etihad Airways)

One-way from

$459
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,335
Provider with most accurate pricing for Lambert-St Louis-Chennai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Chennai flights.
Search Deals
From Lambert-St Louis to Chennai
Search Deals
One-way flight from Lambert-St Louis to Chennai
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($204 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated January 26, 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

Wed 4/22

9:13 am-8:10 pm

2 stops24h 27m

Chennai

Sun 5/3

9:55 pm-1:22 pm

2 stops25h 57m

$932

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 4/14

6:35 am-8:25 am

2 stops39h 20m

Chennai

Thu 4/30

9:55 pm-7:30 pm

2 stops32h 05m

$952

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 2/23

2:19 pm-2:35 am

2 stops24h 46m

Chennai

Mon 3/9

4:05 am-9:11 pm

2 stops27h 36m

$969

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 2/25

4:05 pm-2:30 am

2 stops22h 55m

Chennai

Tue 3/10

4:05 am-11:48 pm

2 stops30h 13m

$969

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 2/24

2:21 pm-2:30 am

2 stops24h 39m

Chennai

Tue 3/10

4:05 am-11:48 pm

2 stops30h 13m

$969

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 2/23

2:19 pm-2:30 am

2 stops24h 41m

Chennai

Tue 3/10

4:05 am-11:48 pm

2 stops30h 13m

$969

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 2/24

9:23 am-2:30 am

2 stops29h 37m

Chennai

Sun 3/8

3:45 pm-9:11 pm

2 stops39h 56m

$972

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 2/22

11:46 am-2:30 am

2 stops27h 14m

Chennai

Tue 3/10

4:05 am-11:48 pm

2 stops30h 13m

$984

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 2/25

4:05 pm-2:30 am

2 stops22h 55m

Chennai

Thu 3/5

3:40 am-9:12 pm

2 stops29h 02m

$984

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 4/10

12:11 pm-2:50 am

2 stops28h 09m

Chennai

Fri 4/17

4:20 am-10:14 pm

2 stops28h 24m

$1,009

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

Showing 1-10 of 19 results
1
2

Compare providers for flights from St. Louis to Chennai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Chennai in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Chennai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Chennai flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Chennai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Chennai flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Chennai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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 round-trip flight from St. Louis to Chennai. Price data was last updated on January 23, 2026.

Booking 70 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Chennai. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 $952). Flying from St. Louis to Chennai in June is currently the most expensive (average of $1,481). 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.

Reviews of airlines servicing Chennai

Get insights into the airlines that provide service to Chennai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chennai. Reviews last updated January 26, 2026.
Read through reviews of airlines operating flights from St. Louis to Chennai, such as Qatar Airways and Lufthansa. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,733 reviews

Entertainment

7.4

Comfort

7.4

Food

7.3

Boarding

7.5

Overall

7.4

Crew

7.9

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,733 reviews
Qatar Airways
7.4
Good
3,733 reviews

Entertainment

7.4

Comfort

7.4

Food

7.3

Boarding

7.5

Overall

7.4

Crew

7.9

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Lufthansa
6.8
Okay
7,747 reviews
Qatar Airways
7.4
Good
3,733 reviews

Entertainment

7.4

Comfort

7.4

Food

7.3

Boarding

7.5

Overall

7.4

Crew

7.9

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

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?

    Departing from St. Louis to Chennai will take you 24h 46m. The distance from St. Louis to Chennai is about 8804 mi.

  • What are the cheapest airlines flying from St. Louis to Chennai round-trip?

    Qatar Airways, at $994, was found to be the cheapest airline from St. Louis to Chennai. An alternate airline flying to your destination would be Lufthansa. These flights start at 27% lower than the current average price 3 months from now.

  • 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 vacation 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 $952). Flying from St. Louis to Chennai in June is currently the most expensive (average of $1,481). 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

Traveling 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

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

Top 2 airlines flying from St. Louis to Chennai

Discover the top 2 airlines that operate flights from St. Louis to Chennai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$994Average$1,402FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,225Average$1,447FlexibilityNo cancel feeOn-time76%

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