Cheap flights from Chennai to St. Louis from $521

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chennai to St. Louis departing on 3/9. 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
0 bags

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Find the cheapest flights from Chennai to St. Louis

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
3:45 pm - 11:48 pm
MAA
-
STL
43h 33m
2 stops
Multiple Airlines Logo
8:00 am - 7:55 pm
STL
-
MAA
25h 25m
2 stops
$1,083Multiple Airlines
Sun, Mar 1 - Sun, Mar 15
Lufthansa Logo
1:50 am - 1:55 pm
MAA
-
STL
23h 35m
1 stop
Lufthansa Logo
7:00 pm - 12:05 am
STL
-
MAA
42h 35m
2 stops
$1,654Lufthansa
Sat, Feb 28 - Sun, Mar 15
Lufthansa Logo
6:00 pm - 9:40 pm
MAA
-
STL
39h 10m
3 stops
Lufthansa Logo
7:00 pm - 12:05 am
STL
-
MAA
42h 35m
3 stops
$1,729Lufthansa
Sun, Mar 1 - Sun, Mar 15
Lufthansa Logo
6:00 pm - 9:40 pm
MAA
-
STL
39h 10m
3 stops
Lufthansa Logo
7:00 pm - 12:05 am
STL
-
MAA
42h 35m
2 stops
$1,840Lufthansa
Sun, Mar 1 - Sun, Mar 15

Lufthansa flights from Chennai to St. Louis

Our best Lufthansa deals on Chennai to St. Louis flight tickets
Lufthansa
Feb 28
MAA1:50 amChennai
23h 35m
1 stop
STL1:55 pmLambert-St Louis
Mar 15
STL7:00 pmLambert-St Louis
42h 35m
2 stops
MAA12:05 amChennai
$1,654
Lufthansa
Mar 1
MAA6:00 pmChennai
39h 10m
3 stops
STL9:40 pmLambert-St Louis
Mar 15
STL7:00 pmLambert-St Louis
42h 35m
3 stops
MAA12:05 amChennai
$1,729
Lufthansa
Mar 1
MAA6:00 pmChennai
39h 10m
3 stops
STL9:40 pmLambert-St Louis
Mar 15
STL7:00 pmLambert-St Louis
42h 35m
2 stops
MAA12:05 amChennai
$1,840

momondo Fare Finder

 
Customize your flight search to find flights from Chennai to St. Louis 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 January 29, 2026.
Use the filters below to find and compare flights from Chennai to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 3/1

3:45 pm-11:48 pm

2 stops43h 33m

Lambert-St Louis

Sun 3/15

8:00 am-7:55 pm

2 stops25h 25m

$1,083

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 2/28

1:50 am-1:55 pm

1 stop23h 35m

Lambert-St Louis

Sun 3/15

7:00 pm-12:05 am

2 stops42h 35m

$1,654

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 3/1

6:00 pm-9:40 pm

3 stops39h 10m

Lambert-St Louis

Sun 3/15

7:00 pm-12:05 am

3 stops42h 35m

$1,729

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 3/1

6:00 pm-9:40 pm

3 stops39h 10m

Lambert-St Louis

Sun 3/15

7:00 pm-12:05 am

2 stops42h 35m

$1,840

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 3/9

3:55 am-10:37 am

2 stops41h 12m

$521

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 3/4

9:40 pm-11:49 am

3 stops49h 39m

$523

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 3/4

3:55 am-11:49 am

2 stops43h 24m

$527

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 3/9

4:10 pm-11:19 pm

3 stops41h 39m

$538

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 3/7

4:10 pm-12:19 pm

3 stops55h 39m

$544

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 3/5

3:55 am-11:19 pm

3 stops30h 54m

$597

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to St. Louis from

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

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 St. Louis?

In general, December is the cheapest month to fly from Chennai to St. Louis. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $991. The month of October is another great option to travel to St. Louis, with average flight prices from Chennai averaging around $1,145.

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

You could potentially save up to 42% on your flight if you consider stops on a Chennai to St. Louis flight.

How have Chennai to St. Louis flight prices changed over time?

When to book flights from Chennai to St. Louis

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

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

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

Fastest flight time

43h 33m

Direct flights

None
The fastest flight from Chennai to St. Louis takes 43h 33m
There are no direct flights from Chennai to St. Louis. There are no popular flight routes from Chennai to St. Louis.
  • How far is Chennai to Lambert-St Louis by plane?

    A flight from Chennai to Lambert-St Louis will travel around 8804.9 mi. By plane, this route typically takes 43h 33m.

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

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

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

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Chennai Airport to Lambert-St Louis Airport.

  • What documentation or ID do you need to fly to Lambert-St Louis Airport?

    The required travel and health documents for your Lambert-St Louis Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Lambert-St Louis Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Best airlines flying from Chennai to St. Louis

Compare and see reviews for airlines that fly from Chennai to St. Louis with momondo
Airline
Rating
Free Cancellation
Price
British AirwaysPriceFrom $899Free CancellationRating
6.7
7,705 reviews
Search British Airways flights

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
St. Charles
Chesterfield
Hermann
Fairview Heights
Maryland Heights
Florissant
O'Fallon
Collinsville
Fenton
St. Peters
Wentzville
Alton
Farmington
Clayton
Edwardsville
Eureka
Festus
Glencoe
Litchfield
Shrewsbury

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to St. Louis from Chennai.

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

Yes. All flights to St. Louis from Chennai on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Chennai to St. Louis flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to St. Louis from Chennai are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
Sat 2/28
Sat 3/7

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