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Cheap flights from St. Louis to Chennai from $535

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Chennai departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from St. Louis to Chennai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
7:21 am - 2:50 am
STL
-
MAA
32h 59m
2 stops
Multiple Airlines Logo
10:15 am - 4:48 pm
MAA
-
STL
41h 03m
2 stops
$1,022Multiple Airlines
Fri, Sep 18 - Fri, Oct 2
Etihad Airways Logo
2:35 pm - 2:50 am
STL
-
MAA
25h 45m
2 stops
Etihad Airways Logo
3:40 pm - 4:50 pm
MAA
-
STL
35h 40m
2 stops
$1,077Etihad Airways
Sat, Aug 1 - Mon, Aug 31
Etihad Airways Logo
2:35 pm - 2:50 am
STL
-
MAA
25h 45m
2 stops
Etihad Airways Logo
3:40 pm - 4:50 pm
MAA
-
STL
35h 40m
2 stops
$1,078Etihad Airways
Sat, Aug 1 - Mon, Aug 31
Multiple Airlines Logo
6:00 am - 8:20 pm
STL
-
MAA
27h 50m
2 stops
Multiple Airlines Logo
9:55 pm - 6:59 pm
MAA
-
STL
31h 34m
2 stops
$1,082Multiple Airlines
Fri, Aug 7 - Thu, Aug 27
Qatar Airways Logo
1:06 pm - 2:50 am
STL
-
MAA
27h 14m
2 stops
Qatar Airways Logo
4:05 am - 7:30 pm
MAA
-
STL
26h 55m
2 stops
$1,152Qatar Airways
Mon, Oct 19 - Mon, Nov 9
Multiple Airlines Logo
7:02 am - 2:50 am
STL
-
MAA
33h 18m
2 stops
Multiple Airlines Logo
4:05 am - 11:58 pm
MAA
-
STL
30h 23m
2 stops
$1,162Multiple Airlines
Sat, Aug 1 - Sat, Aug 29
Qatar Airways Logo
6:30 am - 2:40 am
STL
-
MAA
33h 40m
2 stops
Qatar Airways Logo
4:20 am - 9:43 pm
MAA
-
STL
27h 53m
2 stops
$1,191Qatar Airways
Thu, Sep 17 - Mon, Sep 21
Qatar Airways Logo
7:03 am - 2:20 am
STL
-
MAA
31h 47m
2 stops
Qatar Airways Logo
3:25 am - 11:59 pm
MAA
-
STL
32h 04m
2 stops
$1,204Qatar Airways
Wed, Jan 13 - Sat, Jan 23
Qatar Airways Logo
6:30 am - 2:40 am
STL
-
MAA
33h 40m
2 stops
Qatar Airways Logo
4:20 am - 11:59 pm
MAA
-
STL
30h 09m
2 stops
$1,205Qatar Airways
Thu, Sep 24 - Mon, Sep 28
Qatar Airways Logo
11:31 am - 2:40 am
STL
-
MAA
28h 39m
2 stops
Qatar Airways Logo
4:05 am - 7:30 pm
MAA
-
STL
26h 55m
2 stops
$1,213Qatar Airways
Sun, Oct 18 - Tue, Nov 10

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Qatar Airways flights from St. Louis to Chennai

Our best Qatar Airways deals on St. Louis to Chennai flight tickets
Qatar Airways
Oct 19
STL1:06 pmLambert-St Louis
27h 14m
2 stops
MAA2:50 amChennai
Nov 9
MAA4:05 amChennai
26h 55m
2 stops
STL7:30 pmLambert-St Louis
$1,152
Qatar Airways
Sep 17
STL6:30 amLambert-St Louis
33h 40m
2 stops
MAA2:40 amChennai
Sep 21
MAA4:20 amChennai
27h 53m
2 stops
STL9:43 pmLambert-St Louis
$1,191
Qatar Airways
Jan 13
STL7:03 amLambert-St Louis
31h 47m
2 stops
MAA2:20 amChennai
Jan 23
MAA3:25 amChennai
32h 04m
2 stops
STL11:59 pmLambert-St Louis
$1,204

Etihad Airways flights from St. Louis to Chennai

Our best Etihad Airways deals on St. Louis to Chennai flight tickets
Etihad Airways
Aug 1
STL2:35 pmLambert-St Louis
25h 45m
2 stops
MAA2:50 amChennai
Aug 31
MAA3:40 pmChennai
35h 40m
2 stops
STL4:50 pmLambert-St Louis
$1,077
Etihad Airways
Aug 1
STL2:35 pmLambert-St Louis
25h 45m
2 stops
MAA2:50 amChennai
Aug 31
MAA3:40 pmChennai
35h 40m
2 stops
STL4:50 pmLambert-St Louis
$1,078
Etihad Airways
Dec 23
STL11:31 amLambert-St Louis
27h 34m
2 stops
MAA2:35 amChennai
Jan 6
MAA9:55 amChennai
44h 09m
2 stops
STL6:34 pmLambert-St Louis
$1,257

momondo 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, momondo users made 832,500 searches. Data last updated July 21, 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 round-trip

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 9/18

7:21 am-2:50 am

2 stops32h 59m

Chennai

Fri 10/2

10:15 am-4:48 pm

2 stops41h 03m

$1,022

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 8/1

2:35 pm-2:50 am

2 stops25h 45m

Chennai

Mon 8/31

3:40 pm-4:50 pm

2 stops35h 40m

$1,077

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 8/1

2:35 pm-2:50 am

2 stops25h 45m

Chennai

Mon 8/31

3:40 pm-4:50 pm

2 stops35h 40m

$1,078

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 8/7

6:00 am-8:20 pm

2 stops27h 50m

Chennai

Thu 8/27

9:55 pm-6:59 pm

2 stops31h 34m

$1,082
Quickest round-trip

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 10/19

1:06 pm-2:50 am

2 stops27h 14m

Chennai

Mon 11/9

4:05 am-7:30 pm

2 stops26h 55m

$1,152

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 8/1

7:02 am-2:50 am

2 stops33h 18m

Chennai

Sat 8/29

4:05 am-11:58 pm

2 stops30h 23m

$1,162

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Thu 9/17

6:30 am-2:40 am

2 stops33h 40m

Chennai

Mon 9/21

4:20 am-9:43 pm

2 stops27h 53m

$1,191

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 1/13

7:03 am-2:20 am

2 stops31h 47m

Chennai

Sat 1/23

3:25 am-11:59 pm

2 stops32h 04m

$1,204

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Thu 9/24

6:30 am-2:40 am

2 stops33h 40m

Chennai

Mon 9/28

4:20 am-11:59 pm

2 stops30h 09m

$1,205

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 10/18

11:31 am-2:40 am

2 stops28h 39m

Chennai

Tue 11/10

4:05 am-7:30 pm

2 stops26h 55m

$1,213

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Chennai from

How to get the cheapest flight ticket from St. Louis to Chennai

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between St. Louis and Chennai?

What is the cheapest month to fly to Chennai?

In general, March is the cheapest month to fly from St. Louis to Chennai. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $974. If you’re not able to fly to Chennai in March, then February is your next best option. Flight prices from St. Louis to Chennai during February average around $1,012.

How far in advance should I book a flight from St. Louis to Chennai?

You are more likely to see cheaper flights to Chennai from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around $1,388 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from St. Louis for as low as $1,121 on momondo.

Can stopping save me money on St. Louis to Chennai flights?

You could potentially save up to 26% on your flight if you consider stops on a St. Louis to Chennai flight.

When to book flights from St. Louis to Chennai

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Chennai according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap St. Louis to Chennai (STL to MAA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Chennai

Fastest flight time

25h 45m

Direct flights

None
The fastest flight from St. Louis to Chennai takes 25h 45m
There are no direct flights from St. Louis to Chennai. There are no popular flight routes from St. Louis to Chennai.
Search flight deals

Frequently asked questions about flying from St. Louis to Chennai

  • How far is Lambert-St Louis to Chennai by plane?

    Chennai is 8804.9 mi away from Lambert-St Louis. 25h 45m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Lambert-St Louis Airport to Chennai Airport?

    Prices for flights from Lambert-St Louis Airport to Chennai Airport are updated daily.

  • How many operators does momondo search for flights from Lambert-St Louis Airport to Chennai Airport?

  • How old do you have to be to fly from Lambert-St Louis Airport to Chennai Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Chennai Airport.

  • What documentation or ID do you need to fly to Chennai Airport?

    The travel and health documents you'll need for your trip to Chennai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chennai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from St. Louis to Chennai?

Best airlines flying from St. Louis to Chennai

Compare and see reviews for airlines that fly from St. Louis to Chennai with momondo
Airline
Rating
Free Cancellation
Price
Qatar AirwaysPriceFrom $971Free CancellationRating
7.3
3,748 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,210Free CancellationRating
6.8
8,152 reviews
Search Lufthansa flights

Traveling to a place near Chennai?

Book flights to Chennai if you plan to visit one of these locations
Mahabalipuram
Vellore

Why use momondo?

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Can I find flights from St. Louis to Chennai with flexible booking policies on momondo?

Flights from St. Louis to Chennai with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from St. Louis to Chennai?

momondo provides multiple filters to help you find the best flight to Chennai from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from St. Louis to Chennai right now. Can momondo alert me if prices change?

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