$465+ 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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAA
Mar 20 — Mar 271
1 adult, Economy
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Find cheap flights from St. Louis to Chennai with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from St. Louis to Chennai
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Best
Last-minute
One-way
Cheapest flights from St. Louis to ChennaiExplore 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 February 18, 2026.
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 February 18, 2026.
This Booking.com deal was found by Cheapflights users on 2/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:50 pm
STL
- MAA
1 stop20h 45m
Lufthansa
Sat 4/181:55 am
MAA
- STL
1 stop22h 00m
Lufthansa
Deal found 2/15![Lufthansa logo]()
$929
This Etihad Airways deal was found by Cheapflights users on 2/16. 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 3/279:15 am
STL
- MAA
2 stops30h 45m
Multiple Airlines
Sun 4/510:15 am
MAA
- STL
2 stops42h 22m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$932
This Ovago deal was found by Cheapflights users on 2/17. 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.
Sat 3/286:57 pm
STL
- MAA
2 stops57h 38m
Etihad Airways
Tue 4/710:15 am
MAA
- STL
2 stops37h 37m
Etihad Airways
Deal found 2/17![Etihad Airways logo]()
$939
This Etihad Airways deal was found by Cheapflights users on 2/16. 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 3/277:05 am
STL
- MAA
2 stops32h 55m
Multiple Airlines
Mon 4/64:35 pm
MAA
- STL
2 stops34h 36m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$952
This Etihad Airways deal was found by Cheapflights users on 2/15. 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.
Sat 2/288:00 am
STL
- MAA
2 stops36h 40m
Multiple Airlines
Tue 3/1710:00 am
MAA
- STL
2 stops45h 41m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$972
This Etihad Airways deal was found by Cheapflights users on 2/15. 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.
Thu 9/247:44 am
STL
- MAA
2 stops25h 56m
Multiple Airlines
Sat 10/1710:15 am
MAA
- STL
2 stops38h 03m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$973
This BusinessClass deal was found by Cheapflights users on 2/16. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/13:30 pm
STL
- MAA
1 stop22h 10m
Lufthansa
Tue 4/71:55 am
MAA
- STL
1 stop22h 00m
Lufthansa
Deal found 2/16![Lufthansa logo]()
$984
This Etihad Airways deal was found by Cheapflights users on 2/15. 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 5/17:00 am
STL
- MAA
2 stops26h 40m
Multiple Airlines
Fri 5/83:45 pm
MAA
- STL
2 stops35h 26m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$1,012
Best flights from St. Louis to ChennaiDiscover carefully curated flight deals from St. Louis to Chennai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
Discover carefully curated flight deals from St. Louis to Chennai that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated February 18, 2026.
This Booking.com deal was found by Cheapflights users on 2/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:50 pm
STL
- MAA
1 stop20h 45m
Lufthansa
Sat 4/181:55 am
MAA
- STL
1 stop22h 00m
Lufthansa
Deal found 2/15![Lufthansa logo]()
$929
This Etihad Airways deal was found by Cheapflights users on 2/16. 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 3/279:15 am
STL
- MAA
2 stops30h 45m
Multiple Airlines
Sun 4/510:15 am
MAA
- STL
2 stops42h 22m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$932
This Ovago deal was found by Cheapflights users on 2/17. 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.
Sat 3/286:57 pm
STL
- MAA
2 stops57h 38m
Etihad Airways
Tue 4/710:15 am
MAA
- STL
2 stops37h 37m
Etihad Airways
Deal found 2/17![Etihad Airways logo]()
$939
This Etihad Airways deal was found by Cheapflights users on 2/16. 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 3/277:05 am
STL
- MAA
2 stops32h 55m
Multiple Airlines
Mon 4/64:35 pm
MAA
- STL
2 stops34h 36m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$952
This BusinessClass deal was found by Cheapflights users on 2/15. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/13:30 pm
STL
- MAA
1 stop22h 10m
Lufthansa
Tue 4/71:55 am
MAA
- STL
1 stop22h 00m
Lufthansa
Deal found 2/15![Lufthansa logo]()
$984
This Etihad Airways deal was found by Cheapflights users on 2/16. 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 3/279:15 am
STL
- MAA
2 stops24h 10m
Multiple Airlines
Wed 4/810:15 am
MAA
- STL
2 stops38h 16m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$952
This Etihad Airways deal was found by Cheapflights users on 2/15. 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 4/19:15 am
STL
- MAA
2 stops36h 40m
Multiple Airlines
Wed 4/84:35 pm
MAA
- STL
2 stops31h 56m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$952
This Etihad Airways deal was found by Cheapflights users on 2/15. 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.
Sat 2/288:00 am
STL
- MAA
2 stops36h 40m
Multiple Airlines
Tue 3/1710:00 am
MAA
- STL
2 stops45h 41m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$972
Last-minute flights from St. Louis to ChennaiDiscover last-minute flight deals from St. Louis to Chennai. Data last updated February 18, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Chennai. Data last updated February 18, 2026 and is based on user searches.
This KAYAK deal was found by Cheapflights users on 2/15. 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.
Thu 2/1911:39 am
STL
- MAA
2 stops24h 56m
Lufthansa
Sat 2/286:00 pm
MAA
- STL
3 stops39h 10m
Lufthansa
Deal found 2/15![Lufthansa logo]()
$1,119
This KAYAK deal was found by Cheapflights users on 2/16. 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.
Thu 2/1911:39 am
STL
- MAA
2 stops24h 56m
Multiple Airlines
Sat 2/289:50 am
MAA
- STL
2 stops49h 39m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$1,131
This oojo deal was found by Cheapflights users on 2/15. 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 2/1910:37 am
STL
- MAA
2 stops28h 28m
Qatar Airways
Fri 2/273:40 am
MAA
- STL
2 stops44h 23m
Qatar Airways
Deal found 2/15![Qatar Airways logo]()
$1,201
This Etihad Airways deal was found by Cheapflights users on 2/17. 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.
Sat 2/216:06 am
STL
- MAA
2 stops26h 19m
Multiple Airlines
Mon 2/2310:00 am
MAA
- STL
2 stops40h 48m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$1,113
This Etihad Airways deal was found by Cheapflights users on 2/15. 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.
Sat 2/288:00 am
STL
- MAA
2 stops36h 40m
Multiple Airlines
Tue 3/1710:00 am
MAA
- STL
2 stops45h 41m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$972
This Booking.com deal was found by Cheapflights users on 2/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:50 pm
STL
- MAA
1 stop20h 45m
Lufthansa
Sat 4/181:55 am
MAA
- STL
1 stop22h 00m
Lufthansa
Deal found 2/15![Lufthansa logo]()
$929
This FlightHub deal was found by Cheapflights users on 2/15. 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.
Wed 3/184:05 pm
STL
- MAA
3 stops30h 10m
Multiple Airlines
Sat 4/181:55 am
MAA
- STL
2 stops29h 43m
Multiple Airlines
Deal found 2/15![Multiple Airlines logo]()
$1,076
This Etihad Airways deal was found by Cheapflights users on 2/16. 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 3/279:15 am
STL
- MAA
2 stops30h 45m
Multiple Airlines
Sun 4/510:15 am
MAA
- STL
2 stops42h 22m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$932
This Etihad Airways deal was found by Cheapflights users on 2/16. 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 3/277:05 am
STL
- MAA
2 stops32h 55m
Multiple Airlines
Mon 4/64:35 pm
MAA
- STL
2 stops34h 36m
Multiple Airlines
Deal found 2/16![Multiple Airlines logo]()
$952
This Gotogate deal was found by Cheapflights users on 2/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/274:50 pm
STL
- MAA
1 stop20h 45m
Lufthansa
Tue 4/71:55 am
MAA
- STL
1 stop22h 00m
Lufthansa
Deal found 2/16![Lufthansa logo]()
$1,197
This Ovago deal was found by Cheapflights users on 2/17. 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.
Sat 3/286:57 pm
STL
- MAA
2 stops57h 38m
Etihad Airways
Tue 4/710:15 am
MAA
- STL
2 stops37h 37m
Etihad Airways
Deal found 2/17![Etihad Airways logo]()
$939
One-way flights from St. Louis to ChennaiSearch for one-way flight options from St. Louis to Chennai. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
Search for one-way flight options from St. Louis to Chennai. Find affordable one-way fares based on user searches. Data last updated February 18, 2026.
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/288:17 pm
STL
- MAA
3 stops47h 13m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$465
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2311:21 am
STL
- MAA
3 stops31h 19m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$474
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/223:30 pm
STL
- MAA
2 stops30h 40m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$478
This Indian Eagle deal was found by Cheapflights users on 2/17. 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 2/281:30 pm
STL
- MAA
2 stops25h 35m
Qatar Airways
Deal found 2/17![Qatar Airways logo]()
$510
This oojo deal was found by Cheapflights users on 2/18. 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.
Sun 3/152:00 pm
STL
- MAA
2 stops26h 05m
Qatar Airways
Deal found 2/18![Qatar Airways logo]()
$559
This Kiwi.com deal was found by Cheapflights users on 2/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/148:12 pm
STL
- MAA
3 stops37h 13m
Multiple Airlines
Deal found 2/17![Multiple Airlines logo]()
$573
This oojo deal was found by Cheapflights users on 2/17. 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.
Sat 3/141:30 pm
STL
- MAA
2 stops26h 35m
Qatar Airways
Deal found 2/17![Qatar Airways logo]()
$597
This Kiwi.com deal was found by Cheapflights users on 2/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 3/154:51 pm
STL
- MAA
3 stops39h 09m
Multiple Airlines
Deal found 2/18![Multiple Airlines logo]()
$650
This KAYAK deal was found by Cheapflights users on 2/17. 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
Deal found 2/17![Lufthansa logo]()
$769
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 February 18, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $929 (Booking.com) |
One-way from | $465 (Kiwi.com) |
Popular in | July |
Cheapest in | February |
Average price | $1,012 |
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 February 18, 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 3/18
4:50 pm-12:05 am
1 stop20h 45m
Chennai
Sat 4/18
1:55 am-1:25 pm
1 stop22h 00m
$929
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
Fri 3/27
9:15 am-2:30 am
2 stops30h 45m
Chennai
Sun 4/5
10:15 am-6:07 pm
2 stops42h 22m
$932
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
Sat 3/28
6:57 pm-3:05 pm
2 stops57h 38m
Chennai
Tue 4/7
10:15 am-1:22 pm
2 stops37h 37m
$939
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
Fri 3/27
7:05 am-2:30 am
2 stops32h 55m
Chennai
Mon 4/6
4:35 pm-4:41 pm
2 stops34h 36m
$952
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
Fri 3/27
9:15 am-7:55 pm
2 stops24h 10m
Chennai
Wed 4/8
10:15 am-2:01 pm
2 stops38h 16m
$952
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
Wed 4/1
9:15 am-8:25 am
2 stops36h 40m
Chennai
Wed 4/8
4:35 pm-2:01 pm
2 stops31h 56m
$952
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
Sat 2/28
8:00 am-8:10 am
2 stops36h 40m
Chennai
Tue 3/17
10:00 am-9:11 pm
2 stops45h 41m
$972
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
Wed 4/1
3:30 pm-12:10 am
1 stop22h 10m
Chennai
Tue 4/7
1:55 am-1:25 pm
1 stop22h 00m
$984
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
Sat 2/28
8:17 pm-7:00 am
3 stops47h 13m
$465
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
Thu 4/23
11:21 am-5:10 am
3 stops31h 19m
$474
Showing 1-10 of 16 results
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 February.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*3 stars | |
| Price Accuracy2 stars | Trust Score*2 stars |
- 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.
STL-MAA
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 February 13, 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 $1,482). 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 to fly round-trip from St. Louis to Chennai?
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 February 18, 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.
Food
7.3
Boarding
7.5
Comfort
7.4
Crew
7.9
Entertainment
7.4
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Food
7.3
Boarding
7.5
Comfort
7.4
Crew
7.9
Entertainment
7.4
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Food
7.3
Boarding
7.5
Comfort
7.4
Crew
7.9
Entertainment
7.4
Overall
7.4
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$987 | Average$1,394 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,225 | Average$1,451 | FlexibilityNo cancel fee | On-time76% |