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$737+ 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 11/12. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Chennai are usually found in September or February, booked 10 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Find 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 October 28, 2025.

This FlightHub deal was found by Cheapflights users on 10/28. 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.
Sun 11/96:00 amSTL - MAA
2 stops33h 00mQatar Airways
Wed 12/244:05 amMAA - STL
2 stops30h 00mQatar Airways
Deal found 10/28$1,044
This FlightHub deal was found by Cheapflights users on 10/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/810:56 amSTL - MAA
2 stops28h 04mQatar Airways
Sun 12/144:05 amMAA - STL
2 stops31h 03mQatar Airways
Deal found 10/26$1,183
This Justfly.com deal was found by Cheapflights users on 10/26. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/206:00 amSTL - MAA
2 stops32h 50mQatar Airways
Tue 12/24:05 amMAA - STL
2 stops27h 49mQatar Airways
Deal found 10/26$1,294
This Ovago deal was found by Cheapflights users on 10/27. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/241:10 pmSTL - MAA
2 stops23h 25mLufthansa
Sat 12/201:50 amMAA - STL
1 stop23h 35mLufthansa
Deal found 10/27$1,308
This Etihad Airways deal was found by Cheapflights users on 10/26. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:00 amSTL - MAA
2 stops26h 25mMultiple Airlines
Sun 11/303:45 pmMAA - STL
2 stops36h 01mMultiple Airlines
Deal found 10/26$1,346
This Gurufare deal was found by Cheapflights users on 10/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:37 amSTL - MAA
3 stops33h 38mLufthansa
Sun 11/306:00 pmMAA - STL
3 stops58h 33mLufthansa
Deal found 10/27$1,369
This Gurufare deal was found by Cheapflights users on 10/27. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:43 pmSTL - MAA
3 stops50h 32mLufthansa
Sun 11/306:00 pmMAA - STL
3 stops58h 33mLufthansa
Deal found 10/27$1,378
This Gurufare deal was found by Cheapflights users on 10/28. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1711:37 amSTL - MAA
2 stops24h 58mLufthansa
Tue 11/251:50 amMAA - STL
1 stop23h 35mLufthansa
Deal found 10/28$1,381

Cheap 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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,067
(Etihad Airways)

One-way from

$737
(Mytrip)

Popular in

July

Cheapest in

September

Average price

$1,298
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 ($198 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($25 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 28, 2025.
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

Mon 11/17

10:44 am-2:30 am

2 stops28h 16m

Chennai

Tue 11/25

4:05 am-10:34 pm

2 stops29h 59m

$1,044

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Thu 2/19

6:04 am-8:10 am

2 stops38h 36m

Chennai

Sat 2/28

10:00 am-11:10 am

2 stops36h 40m

$1,067

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 4/12

11:14 am-2:50 am

2 stops29h 06m

Chennai

Wed 4/15

4:20 am-11:24 pm

2 stops29h 34m

$1,111

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 4/12

3:30 pm-12:10 am

1 stop22h 10m

Chennai

Tue 4/14

1:55 am-1:30 pm

1 stop22h 05m

$1,283

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 11/12

4:05 pm-1:55 pm

3 stops34h 20m

$737

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 11/5

3:50 pm-1:55 pm

3 stops34h 35m

$741

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 11/11

3:59 pm-2:20 am

2 stops46h 51m

$750

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 11/11

7:00 am-9:55 am

3 stops39h 25m

$767

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 11/5

3:50 pm-8:45 am

2 stops29h 25m

$770

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 11/12

3:50 pm-8:45 am

2 stops29h 25m

$770

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 12 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 October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on St. Louis-Chennai flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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 October 24, 2025.

Booking 7 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, April is the cheapest month in which you can book a flight from St. Louis to Chennai (average of $1,031). Flying from St. Louis to Chennai in August is currently the most expensive (average of $1,503). 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.

What is the cheapest time of day to fly from STL to MAA?

Find hourly flight availability from St. Louis to Chennai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 28, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 42% on flights from St. Louis to Chennai by exploring options for tickets in the afternoon.

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 October 28, 2025.
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
3,658 reviews

Boarding

7.5

Comfort

7.4

Crew

7.9

Entertainment

7.4

Overall

7.4

Food

7.3

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
3,658 reviews
Qatar Airways
7.4
Good
3,658 reviews

Boarding

7.5

Comfort

7.4

Crew

7.9

Entertainment

7.4

Overall

7.4

Food

7.3

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
7,532 reviews
Qatar Airways
7.4
Good
3,658 reviews

Boarding

7.5

Comfort

7.4

Crew

7.9

Entertainment

7.4

Overall

7.4

Food

7.3

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 28h 16m. 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 $1,172, 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 17% 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, April is the cheapest month in which you can book a flight from St. Louis to Chennai (average of $1,031). Flying from St. Louis to Chennai in August is currently the most expensive (average of $1,503). 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,172Average$1,513FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,198Average$1,447FlexibilityNo cancel feeOn-time76%

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