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Cheap flights from Chennai to St. Louis from $658

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 9/18. 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 Chennai to St. Louis

Cheap round-trip flights

British Airways Logo
5:35 am - 8:48 pmMAA-STL
25h 43m2 stops
British Airways Logo
8:42 am - 3:30 amSTL-MAA
32h 18m2 stops
$1,025British Airways
Find Deal
sáb., oct. 4 - mié., oct. 8
British Airways Logo
5:35 am - 11:48 pmMAA-STL
52h 43m2 stops
British Airways Logo
10:36 am - 3:30 amSTL-MAA
30h 24m2 stops
$1,028British Airways
Find Deal
sáb., oct. 4 - mié., oct. 8
British Airways Logo
5:35 am - 1:44 pmMAA-STL
66h 39m2 stops
British Airways Logo
10:36 am - 3:30 amSTL-MAA
30h 24m2 stops
$1,029British Airways
Find Deal
sáb., oct. 4 - mié., oct. 8
Qatar Airways Logo
4:20 am - 11:59 pmMAA-STL
30h 09m2 stops
Qatar Airways Logo
4:19 pm - 2:50 amSTL-MAA
24h 01m2 stops
$1,502Qatar Airways
Find Deal
mar., ago. 26 - mar., sep. 2
Qatar Airways Logo
9:50 pm - 11:59 pmMAA-STL
36h 39m2 stops
Qatar Airways Logo
10:45 am - 9:10 amSTL-MAA
34h 55m2 stops
$1,503Qatar Airways
Find Deal
mié., sep. 3 - mar., dic. 2
Lufthansa Logo
6:40 am - 3:44 pmMAA-STL
43h 34m3 stops
Lufthansa Logo
6:42 pm - 12:05 amSTL-MAA
41h 53m2 stops
$1,508Lufthansa
Find Deal
mié., sep. 3 - mar., dic. 2
Logo
1:55 am - 3:44 pmMAA-STL
48h 19m2 stops
Logo
4:05 pm - 12:05 amSTL-MAA
44h 30m2 stops
$1,529
Find Deal
mar., sep. 2 - mar., dic. 2
Logo
1:55 am - 1:30 pmMAA-STL
22h 05m1 stop
Logo
4:05 pm - 12:05 amSTL-MAA
44h 30m2 stops
$1,585
Find Deal
mar., sep. 2 - mar., dic. 2
Lufthansa Logo
1:55 am - 1:30 pmMAA-STL
22h 05m1 stop
Lufthansa Logo
12:25 pm - 12:05 amSTL-MAA
25h 10m2 stops
$1,631Lufthansa
Find Deal
mar., sep. 2 - sáb., oct. 25
KLM Logo
8:10 pm - 4:45 pmMAA-STL
31h 05m3 stops
KLM Logo
2:18 pm - 12:15 pmSTL-MAA
35h 27m3 stops
$1,762KLM
Find Deal
mié., ago. 13 - dom., jun. 7

American Airlines flights from Chennai to St. Louis

Our best American Airlines deals on Chennai to St. Louis flight tickets
American Airlines
Aug 13
MAA3:45 pmChennai
33h 00m
2 stops
STL2:15 pmLambert-St Louis
Jun 9
STL10:35 amLambert-St Louis
32h 10m
2 stops
MAA5:15 amChennai
$1,767
Find similar
American Airlines
Aug 15
MAA5:50 pmChennai
34h 32m
2 stops
STL5:52 pmLambert-St Louis
Aug 18
STL10:14 amLambert-St Louis
32h 31m
2 stops
MAA5:15 amChennai
$1,835
Find similar
American Airlines
Aug 13
MAA5:50 pmChennai
30h 55m
2 stops
STL2:15 pmLambert-St Louis
Jun 10
STL10:35 amLambert-St Louis
32h 10m
2 stops
MAA5:15 amChennai
$1,854
Find similar

British Airways flights from Chennai to St. Louis

Our best British Airways deals on Chennai to St. Louis flight tickets
British Airways
Oct 4
MAA5:35 amChennai
25h 43m
2 stops
STL8:48 pmLambert-St Louis
Oct 8
STL8:42 amLambert-St Louis
32h 18m
2 stops
MAA3:30 amChennai
$1,025
Find similar
British Airways
Oct 4
MAA5:35 amChennai
52h 43m
2 stops
STL11:48 pmLambert-St Louis
Oct 8
STL10:36 amLambert-St Louis
30h 24m
2 stops
MAA3:30 amChennai
$1,028
Find similar
British Airways
Oct 4
MAA5:35 amChennai
66h 39m
2 stops
STL1:44 pmLambert-St Louis
Oct 8
STL10:36 amLambert-St Louis
30h 24m
2 stops
MAA3:30 amChennai
$1,029
Find similar

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 julio 30, 2025.
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

sáb. 10/4

5:35 am-8:48 pm

2 stops25h 43m

Lambert-St Louis

mié. 10/8

8:42 am-3:30 am

2 stops32h 18m

$1,025

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

sáb. 10/4

5:35 am-11:48 pm

2 stops52h 43m

Lambert-St Louis

mié. 10/8

10:36 am-3:30 am

2 stops30h 24m

$1,028

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

sáb. 10/4

5:35 am-1:44 pm

2 stops66h 39m

Lambert-St Louis

mié. 10/8

10:36 am-3:30 am

2 stops30h 24m

$1,029

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

mar. 8/26

4:20 am-11:59 pm

2 stops30h 09m

Lambert-St Louis

mar. 9/2

4:19 pm-2:50 am

2 stops24h 01m

$1,502

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

mié. 9/3

9:50 pm-11:59 pm

2 stops36h 39m

Lambert-St Louis

mar. 12/2

10:45 am-9:10 am

2 stops34h 55m

$1,503

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

mié. 9/3

6:40 am-3:44 pm

3 stops43h 34m

Lambert-St Louis

mar. 12/2

6:42 pm-12:05 am

2 stops41h 53m

$1,508

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

mar. 9/2

1:55 am-3:44 pm

2 stops48h 19m

Lambert-St Louis

mar. 12/2

4:05 pm-12:05 am

2 stops44h 30m

$1,529

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

mar. 9/2

1:55 am-1:30 pm

1 stop22h 05m

Lambert-St Louis

mar. 12/2

4:05 pm-12:05 am

2 stops44h 30m

$1,585

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

mar. 9/2

1:55 am-1:30 pm

1 stop22h 05m

Lambert-St Louis

sáb. 10/25

12:25 pm-12:05 am

2 stops25h 10m

$1,631

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

mié. 8/13

8:10 pm-4:45 pm

3 stops31h 05m

Lambert-St Louis

dom. 6/7

2:18 pm-12:15 pm

3 stops35h 27m

$1,762

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 $1,086. The month of October is another great option to travel to St. Louis, with average flight prices from Chennai averaging around $1,122.

What is the cheapest day to depart on your flight to St. Louis?

The cheapest day to depart on your flight to St. Louis is on a Tuesday when prices can be found for as low as $1,282. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $1,748. These prices are subject to change though, so be sure to set up a Price Alert for flights to St. Louis.

What is the cheapest time of day to depart on your flight to St. Louis?

Flying to St. Louis from Chennai in the morning is the least expensive time of day to depart. momondo users have found prices as low as $1,339 when looking at flights departing in the morning. In the evening is when there is more demand to fly to St. Louis, so prices are often more expensive at around $1,363 per ticket.

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

You could potentially save up to 38% 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?

As of July 2025, prices for Chennai to St. Louis flights are approximately 2% cheaper when compared to flights at the same time last year.

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

Best Price Found

$658

Fastest flight time

22h 05m

Direct flights

None

Airports in St. Louis

1 airport
The best one-way flight to St. Louis from Chennai in the past 72 hours is $658. The best round-trip flight deal from Chennai to St. Louis found on momondo in the last 72 hours is $1,025.
The fastest flight from Chennai to St. Louis takes 22h 05m
There are no direct flights from Chennai to St. Louis. Popular non-direct route for this connection is Chennai Airport - Lambert-St Louis Airport.
There is 1 airport near St. Louis: Lambert-St Louis (STL)
Search flight deals

  • 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 22h 05m.

  • 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 $992Free CancellationRating
6.6
7,217 reviews
Search British Airways flights
LufthansaPriceFrom $1,234Free CancellationRating
6.8
7,269 reviews
Search Lufthansa 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
Fenton
Collinsville
O'Fallon
Alton
St. Peters
Farmington
Wentzville
Festus
Glencoe
Eureka
Edwardsville
Clayton
Shrewsbury
Grafton

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.

An easier way to manage your St. Louis trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
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