$738+ 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 6/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAA
juil. 8 — juil. 151
Round-trip
1 adult, Economy
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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 juin 8, 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 juin 8, 2026.
This Etihad Airways deal was found by Cheapflights users on 6/4. 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.
sam. 8/81:25 pm
STL
- MAA
2 stops32h 30m
Multiple Airlines
mar. 8/259:55 pm
MAA
- STL
2 stops36h 49m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,022
This Ovago deal was found by Cheapflights users on 6/4. 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.
mar. 7/147:32 am
STL
- MAA
2 stops45h 03m
Etihad Airways
lun. 8/244:05 pm
MAA
- STL
2 stops31h 19m
Etihad Airways
Deal found 6/4![Etihad Airways logo]()
$1,162
This Qatar Airways deal was found by Cheapflights users on 6/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/55:33 am
STL
- MAA
2 stops35h 52m
Qatar Airways
ven. 10/94:20 am
MAA
- STL
2 stops29h 51m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,191
This Ovago deal was found by Cheapflights users on 6/7. 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.
ven. 7/109:25 am
STL
- MAA
2 stops36h 30m
Etihad Airways
dim. 7/1910:15 am
MAA
- STL
2 stops36h 56m
Etihad Airways
Deal found 6/7![Etihad Airways logo]()
$1,222
This Ovago deal was found by Cheapflights users on 6/4. 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.
sam. 8/85:13 pm
STL
- MAA
2 stops23h 07m
Etihad Airways
sam. 8/224:05 pm
MAA
- STL
2 stops35h 59m
Etihad Airways
Deal found 6/4![Etihad Airways logo]()
$1,249
This FlightHub deal was found by Cheapflights users on 6/4. 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.
jeu. 10/112:46 pm
STL
- MAA
2 stops27h 24m
Qatar Airways
dim. 11/293:25 am
MAA
- STL
2 stops32h 01m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,284
This Justfly.com deal was found by Cheapflights users on 6/4. 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.
dim. 8/910:16 am
STL
- MAA
2 stops29h 54m
Qatar Airways
lun. 8/243:55 am
MAA
- STL
2 stops29h 15m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,304
This Justfly.com deal was found by Cheapflights users on 6/4. 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.
lun. 7/139:39 am
STL
- MAA
2 stops31h 46m
Qatar Airways
lun. 8/243:55 am
MAA
- STL
2 stops30h 17m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,307
This Justfly.com deal was found by Cheapflights users on 6/4. 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.
ven. 8/711:35 am
STL
- MAA
2 stops28h 45m
Qatar Airways
lun. 8/243:55 am
MAA
- STL
2 stops29h 15m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,346
This Qatar Airways deal was found by Cheapflights users on 6/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 8/511:35 am
STL
- MAA
2 stops28h 45m
Qatar Airways
lun. 8/243:55 am
MAA
- STL
2 stops27h 01m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,368
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 juin 8, 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 juin 8, 2026.
This Etihad Airways deal was found by Cheapflights users on 6/4. 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.
sam. 8/81:25 pm
STL
- MAA
2 stops32h 30m
Multiple Airlines
mar. 8/259:55 pm
MAA
- STL
2 stops36h 49m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$1,022
This Ovago deal was found by Cheapflights users on 6/7. 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.
mar. 8/49:25 am
STL
- MAA
2 stops24h 15m
Etihad Airways
mar. 8/2510:15 am
MAA
- STL
2 stops40h 40m
Etihad Airways
Deal found 6/7![Etihad Airways logo]()
$1,022
This Qatar Airways deal was found by Cheapflights users on 6/7. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/55:33 am
STL
- MAA
2 stops34h 47m
Qatar Airways
jeu. 10/83:55 am
MAA
- STL
2 stops28h 35m
Qatar Airways
Deal found 6/7![Qatar Airways logo]()
$1,191
This oojo deal was found by Cheapflights users on 6/7. 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.
mer. 6/2412:55 pm
STL
- MAA
3 stops33h 30m
Lufthansa
mer. 7/156:00 pm
MAA
- STL
3 stops32h 16m
Lufthansa
Deal found 6/7![Lufthansa logo]()
$1,755
This Etihad Airways deal was found by Cheapflights users on 6/6. 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.
sam. 9/55:23 am
STL
- MAA
2 stops40h 32m
Multiple Airlines
sam. 9/199:55 pm
MAA
- STL
2 stops37h 02m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,022
This Etihad Airways deal was found by Cheapflights users on 6/6. 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.
mer. 7/159:25 am
STL
- MAA
2 stops24h 15m
Multiple Airlines
sam. 8/110:15 am
MAA
- STL
2 stops37h 10m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,262
This Qatar Airways deal was found by Cheapflights users on 6/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 7/117:24 pm
STL
- MAA
2 stops44h 46m
Qatar Airways
jeu. 8/203:55 am
MAA
- STL
2 stops26h 18m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,567
This Lufthansa deal was found by Cheapflights users on 6/4. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/143:30 pm
STL
- MAA
1 stop22h 10m
Lufthansa
lun. 8/241:55 am
MAA
- STL
1 stop22h 00m
Lufthansa
Deal found 6/4![Lufthansa logo]()
$2,039
This Qatar Airways deal was found by Cheapflights users on 6/7. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 7/811:00 am
STL
- MAA
2 stops29h 10m
Qatar Airways
lun. 8/103:55 am
MAA
- STL
2 stops29h 15m
Qatar Airways
Deal found 6/7![Qatar Airways logo]()
$1,855
Last-minute flights from St. Louis to ChennaiDiscover last-minute flight deals from St. Louis to Chennai. Data last updated juin 8, 2026 and is based on user searches.
Discover last-minute flight deals from St. Louis to Chennai. Data last updated juin 8, 2026 and is based on user searches.
This Ovago deal was found by Cheapflights users on 6/7. 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.
ven. 7/109:25 am
STL
- MAA
2 stops36h 30m
Etihad Airways
dim. 7/1910:15 am
MAA
- STL
2 stops36h 56m
Etihad Airways
Deal found 6/7![Etihad Airways logo]()
$1,222
This Justfly.com deal was found by Cheapflights users on 6/4. 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.
lun. 7/139:39 am
STL
- MAA
2 stops31h 46m
Qatar Airways
lun. 8/243:55 am
MAA
- STL
2 stops30h 17m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,307
This Justfly.com deal was found by Cheapflights users on 6/4. 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.
lun. 7/139:39 am
STL
- MAA
2 stops31h 46m
Qatar Airways
sam. 8/223:55 am
MAA
- STL
2 stops29h 16m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,346
This Qatar Airways deal was found by Cheapflights users on 6/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/139:39 am
STL
- MAA
2 stops31h 46m
Qatar Airways
jeu. 8/203:55 am
MAA
- STL
2 stops26h 18m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,368
This Qatar Airways deal was found by Cheapflights users on 6/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 7/139:39 am
STL
- MAA
2 stops31h 46m
Qatar Airways
ven. 8/213:55 am
MAA
- STL
2 stops30h 17m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,408
This Ovago deal was found by Cheapflights users on 6/4. 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.
mar. 7/147:32 am
STL
- MAA
2 stops45h 03m
Etihad Airways
lun. 8/244:05 pm
MAA
- STL
2 stops31h 19m
Etihad Airways
Deal found 6/4![Etihad Airways logo]()
$1,162
This FlightHub deal was found by Cheapflights users on 6/4. 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.
mar. 7/1411:00 am
STL
- MAA
2 stops29h 20m
Qatar Airways
lun. 8/243:55 am
MAA
- STL
2 stops26h 02m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,383
This FlightHub deal was found by Cheapflights users on 6/4. 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.
mar. 7/1411:00 am
STL
- MAA
2 stops29h 10m
Qatar Airways
sam. 8/223:55 am
MAA
- STL
2 stops26h 03m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,423
This Qatar Airways deal was found by Cheapflights users on 6/4. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 7/1411:00 am
STL
- MAA
2 stops29h 20m
Qatar Airways
jeu. 8/203:55 am
MAA
- STL
2 stops26h 18m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,460
This Indian Eagle deal was found by Cheapflights users on 6/4. 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.
mar. 7/1411:00 am
STL
- MAA
2 stops29h 10m
Qatar Airways
ven. 8/213:55 am
MAA
- STL
2 stops27h 01m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,474
This Etihad Airways deal was found by Cheapflights users on 6/6. 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.
mer. 7/159:25 am
STL
- MAA
2 stops24h 15m
Multiple Airlines
sam. 8/110:15 am
MAA
- STL
2 stops37h 10m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$1,262
This Justfly.com deal was found by Cheapflights users on 6/4. 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.
mer. 7/159:44 am
STL
- MAA
2 stops30h 26m
Qatar Airways
dim. 8/233:55 am
MAA
- STL
2 stops27h 01m
Qatar Airways
Deal found 6/4![Qatar Airways logo]()
$1,438
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 juin 8, 2026.
Search for one-way flight options from St. Louis to Chennai. Find affordable one-way fares based on user searches. Data last updated juin 8, 2026.
This Etihad Airways deal was found by Cheapflights users on 6/4. 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.
dim. 6/217:30 am
STL
- MAA
2 stops32h 50m
Multiple Airlines
Deal found 6/4![Multiple Airlines logo]()
$738
This Etihad Airways deal was found by Cheapflights users on 6/6. 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.
lun. 6/299:25 am
STL
- MAA
2 stops36h 30m
Multiple Airlines
Deal found 6/6![Multiple Airlines logo]()
$905
This oojo deal was found by Cheapflights users on 6/6. 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.
lun. 6/2912:55 pm
STL
- MAA
3 stops45h 00m
Lufthansa
Deal found 6/6![Lufthansa logo]()
$1,048
This oojo deal was found by Cheapflights users on 6/4. 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.
dim. 6/211:13 pm
STL
- MAA
3 stops33h 12m
Lufthansa
Deal found 6/4![Lufthansa logo]()
$1,187
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 juin 8, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,022 (Etihad Airways) |
One-way from | $653 (Etihad Airways) |
Popular in | June |
Cheapest in | March |
Average price | $1,919 |
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 juin 8, 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
Cheapest round-trip
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
sam. 8/8
1:25 pm-8:25 am
2 stops32h 30m
Chennai
mar. 8/25
9:55 pm-12:14 am
2 stops36h 49m
$1,022
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
mar. 8/4
9:25 am-8:10 pm
2 stops24h 15m
Chennai
mar. 8/25
10:15 am-4:25 pm
2 stops40h 40m
$1,022
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
sam. 9/5
5:23 am-8:25 am
2 stops40h 32m
Chennai
sam. 9/19
9:55 pm-12:27 am
2 stops37h 02m
$1,022
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
lun. 10/5
5:33 am-2:50 am
2 stops34h 47m
Chennai
jeu. 10/8
3:55 am-10:00 pm
2 stops28h 35m
$1,191
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
mer. 7/15
9:25 am-8:10 pm
2 stops24h 15m
Chennai
sam. 8/1
10:15 am-12:55 pm
2 stops37h 10m
$1,262
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
sam. 7/11
7:24 pm-2:40 am
2 stops44h 46m
Chennai
jeu. 8/20
3:55 am-7:43 pm
2 stops26h 18m
$1,567
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
mer. 6/24
12:55 pm-8:55 am
3 stops33h 30m
Chennai
mer. 7/15
6:00 pm-3:46 pm
3 stops32h 16m
$1,755
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
mer. 7/8
11:00 am-2:40 am
2 stops29h 10m
Chennai
lun. 8/10
3:55 am-10:40 pm
2 stops29h 15m
$1,855
Quickest round-trip
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
mar. 7/14
3:30 pm-12:10 am
1 stop22h 10m
Chennai
lun. 8/24
1:55 am-1:25 pm
1 stop22h 00m
$2,039
Cheapest one-way
Quickest one-way
St. LouisChennai
STL - MAA
STLMAA
Lambert-St Louis
dim. 6/21
7:30 am-2:50 am
2 stops32h 50m
$738
Showing 1-10 of 13 resultsSorted by cheapest first
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 June.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 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?
Booking 69 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 $974). Flying from St. Louis to Chennai in December is currently the most expensive (average of $1,910). 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 juin 8, 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
Overall
7.4
Crew
7.9
Boarding
7.5
Comfort
7.3
Entertainment
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Food
7.3
Overall
7.4
Crew
7.9
Boarding
7.5
Comfort
7.3
Entertainment
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
Food
7.3
Overall
7.4
Crew
7.9
Boarding
7.5
Comfort
7.3
Entertainment
7.3
Reviews
1 / 20
6.0
GoodChris,Jul 2025
DFW - DOH
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.
Traveling to a place near Chennai?
Book flights to Chennai if you plan to visit one of these locationsMahabalipuram
Browse thousands of different options on Cheapflights for your next trip
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Other flights to Chennai
Explore flights to Chennai departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on juin 8, 2026.
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Complete your trip to Chennai by adding a car rental and/or hotel reservation to your travel itinerary.
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St. Louis and Chennai flights
Browse other St. Louis and Chennai flight options. Last updated on juin 8, 2026.
Other flights from St. Louis
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Check out other popular destinations found by fellow travelers in 2026
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 juin 8, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$974 | Average$1,267 | FlexibilityNo cancel fee | On-time68% | |
| Cheapest$1,210 | Average$1,427 | FlexibilityNo cancel fee | On-time76% |