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Cheap flights from St. Louis to Chennai from $470

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 2/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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
9:15 am - 7:55 pm
STL
-
MAA
24h 10m
2 stops
Multiple Airlines Logo
10:15 am - 6:07 pm
MAA
-
STL
42h 22m
2 stops
$932Multiple Airlines
Sun, Mar 22 - Sun, Mar 29
Multiple Airlines Logo
11:28 am - 8:55 am
STL
-
MAA
34h 57m
2 stops
Multiple Airlines Logo
1:50 am - 3:29 pm
MAA
-
STL
48h 09m
2 stops
$956Multiple Airlines
Tue, Mar 10 - Tue, Mar 24
Multiple Airlines Logo
2:21 pm - 2:30 am
STL
-
MAA
24h 39m
2 stops
Multiple Airlines Logo
4:05 am - 9:11 pm
MAA
-
STL
27h 36m
2 stops
$959Multiple Airlines
Tue, Feb 24 - Wed, Mar 11
Multiple Airlines Logo
8:00 am - 8:10 am
STL
-
MAA
36h 40m
2 stops
Multiple Airlines Logo
10:00 am - 5:58 pm
MAA
-
STL
42h 28m
2 stops
$972Multiple Airlines
Tue, Mar 3 - Mon, Mar 16
Qatar Airways Logo
2:00 pm - 2:35 am
STL
-
MAA
25h 05m
2 stops
Qatar Airways Logo
3:40 am - 11:44 pm
MAA
-
STL
30h 34m
2 stops
$973Qatar Airways
Wed, Feb 25 - Mon, Mar 9
Qatar Airways Logo
2:00 pm - 2:30 am
STL
-
MAA
25h 00m
2 stops
Qatar Airways Logo
3:40 am - 7:29 pm
MAA
-
STL
26h 19m
2 stops
$974Qatar Airways
Wed, Feb 25 - Tue, Mar 10
Lufthansa Logo
4:50 pm - 8:45 am
STL
-
MAA
29h 25m
2 stops
Lufthansa Logo
1:50 am - 2:55 pm
MAA
-
STL
23h 35m
1 stop
$982Lufthansa
Wed, Mar 11 - Tue, Mar 24
Lufthansa Logo
12:15 pm - 12:05 am
STL
-
MAA
24h 20m
2 stops
Lufthansa Logo
1:50 am - 2:55 pm
MAA
-
STL
23h 35m
1 stop
$986Lufthansa
Mon, Feb 23 - Tue, Mar 10
Qatar Airways Logo
6:00 am - 2:35 am
STL
-
MAA
34h 05m
2 stops
Qatar Airways Logo
3:40 am - 11:58 pm
MAA
-
STL
30h 48m
2 stops
$988Qatar Airways
Wed, Mar 11 - Tue, Mar 24
Lufthansa Logo
12:15 pm - 12:05 am
STL
-
MAA
24h 20m
2 stops
Lufthansa Logo
1:50 am - 1:55 pm
MAA
-
STL
23h 35m
1 stop
$991Lufthansa
Mon, Feb 23 - Sat, Mar 7

Qatar Airways flights from St. Louis to Chennai

Our best Qatar Airways deals on St. Louis to Chennai flight tickets
Qatar Airways
Feb 25
STL2:00 pmLambert-St Louis
25h 05m
2 stops
MAA2:35 amChennai
Mar 9
MAA3:40 amChennai
30h 34m
2 stops
STL11:44 pmLambert-St Louis
$973
Qatar Airways
Feb 25
STL2:00 pmLambert-St Louis
25h 00m
2 stops
MAA2:30 amChennai
Mar 10
MAA3:40 amChennai
26h 19m
2 stops
STL7:29 pmLambert-St Louis
$974
Qatar Airways
Mar 11
STL6:00 amLambert-St Louis
34h 05m
2 stops
MAA2:35 amChennai
Mar 24
MAA3:40 amChennai
30h 48m
2 stops
STL11:58 pmLambert-St Louis
$988

Lufthansa flights from St. Louis to Chennai

Our best Lufthansa deals on St. Louis to Chennai flight tickets
Lufthansa
Mar 11
STL4:50 pmLambert-St Louis
29h 25m
2 stops
MAA8:45 amChennai
Mar 24
MAA1:50 amChennai
23h 35m
1 stop
STL2:55 pmLambert-St Louis
$982
Lufthansa
Feb 23
STL12:15 pmLambert-St Louis
24h 20m
2 stops
MAA12:05 amChennai
Mar 10
MAA1:50 amChennai
23h 35m
1 stop
STL2:55 pmLambert-St Louis
$986
Lufthansa
Feb 23
STL12:15 pmLambert-St Louis
24h 20m
2 stops
MAA12:05 amChennai
Mar 7
MAA1:50 amChennai
23h 35m
1 stop
STL1:55 pmLambert-St Louis
$991

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 February 7, 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

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 3/22

9:15 am-7:55 pm

2 stops24h 10m

Chennai

Sun 3/29

10:15 am-6:07 pm

2 stops42h 22m

$932

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 3/10

11:28 am-8:55 am

2 stops34h 57m

Chennai

Tue 3/24

1:50 am-3:29 pm

2 stops48h 09m

$956

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 2/24

2:21 pm-2:30 am

2 stops24h 39m

Chennai

Wed 3/11

4:05 am-9:11 pm

2 stops27h 36m

$959

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 3/3

8:00 am-8:10 am

2 stops36h 40m

Chennai

Mon 3/16

10:00 am-5:58 pm

2 stops42h 28m

$972

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 2/25

2:00 pm-2:35 am

2 stops25h 05m

Chennai

Mon 3/9

3:40 am-11:44 pm

2 stops30h 34m

$973

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 2/25

2:00 pm-2:30 am

2 stops25h 00m

Chennai

Tue 3/10

3:40 am-7:29 pm

2 stops26h 19m

$974

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 3/11

4:50 pm-8:45 am

2 stops29h 25m

Chennai

Tue 3/24

1:50 am-2:55 pm

1 stop23h 35m

$982

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 2/23

12:15 pm-12:05 am

2 stops24h 20m

Chennai

Tue 3/10

1:50 am-2:55 pm

1 stop23h 35m

$986

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 3/11

6:00 am-2:35 am

2 stops34h 05m

Chennai

Tue 3/24

3:40 am-11:58 pm

2 stops30h 48m

$988

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 2/23

12:15 pm-12:05 am

2 stops24h 20m

Chennai

Sat 3/7

1:50 am-1:55 pm

1 stop23h 35m

$991

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 cheapest month to fly to Chennai?

In general, February 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 $1,016. If you’re not able to fly to Chennai in February, then September is your next best option. Flight prices from St. Louis to Chennai during September average around $1,243.

How far in advance should I book a flight 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 $1,379 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 $1,163 on momondo.

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

You could potentially save up to 20% 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 35m

Direct flights

None
The fastest flight from St. Louis to Chennai takes 25h 35m
There are no direct flights from St. Louis to Chennai. There are no popular flight routes from St. Louis to Chennai.
Search flight deals

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

    Chennai is 8804.9 mi away from Lambert-St Louis. 25h 35m 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 $994Free CancellationRating
7.4
3,730 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,225Free CancellationRating
6.8
7,769 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?

Why should I use momondo to find a flight deal from St. Louis to Chennai?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Chennai. Millions of users trust and use momondo every year so you are in good hands.

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?

Of course. momondo tracks the price of St. Louis to Chennai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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