Cheap flights from Chennai to St. Louis from $520

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 1/27. 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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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.
British Airways Logo
7:35 am - 3:35 pm
MAA
-
STL
43h 30m2 stops
British Airways Logo
2:00 pm - 5:35 am
STL
-
MAA
28h 05m2 stops
$907British Airways
Wed, Feb 11 - Sun, Feb 15
British Airways Logo
7:35 am - 3:35 pm
MAA
-
STL
43h 30m2 stops
British Airways Logo
6:58 pm - 5:35 am
STL
-
MAA
23h 07m2 stops
$908British Airways
Wed, Feb 11 - Sun, Feb 15
Qatar Airways Logo
4:20 am - 11:24 pm
MAA
-
STL
29h 34m2 stops
Qatar Airways Logo
12:09 pm - 2:50 am
STL
-
MAA
28h 11m2 stops
$1,437Qatar Airways
Sun, May 10 - Sat, Jun 20
British Airways Logo
5:35 am - 7:30 pm
MAA
-
STL
24h 25m1 stop
British Airways Logo
4:23 pm - 3:30 am
STL
-
MAA
24h 37m2 stops
$1,491British Airways
Sun, May 10 - Sat, Jun 20
Lufthansa Logo
1:55 am - 9:04 pm
MAA
-
STL
29h 39m2 stops
Lufthansa Logo
1:27 pm - 8:45 am
STL
-
MAA
32h 48m3 stops
$1,682Lufthansa
Sat, May 9 - Sat, Jun 20
Multiple Airlines Logo
9:40 pm - 8:05 pm
MAA
-
STL
32h 55m3 stops
Multiple Airlines Logo
1:15 pm - 2:25 am
STL
-
MAA
26h 40m3 stops
$2,287Multiple Airlines
Sun, May 10 - Sat, Jun 20

British Airways flights from Chennai to St. Louis

Our best British Airways deals on Chennai to St. Louis flight tickets
British Airways
Feb 11
MAA7:35 amChennai
43h 30m
2 stops
STL3:35 pmLambert-St Louis
Feb 15
STL2:00 pmLambert-St Louis
28h 05m
2 stops
MAA5:35 amChennai
British Airways
Feb 11
MAA7:35 amChennai
43h 30m
2 stops
STL3:35 pmLambert-St Louis
Feb 15
STL6:58 pmLambert-St Louis
23h 07m
2 stops
MAA5:35 amChennai
British Airways
May 10
MAA5:35 amChennai
24h 25m
1 stop
STL7:30 pmLambert-St Louis
Jun 20
STL4:23 pmLambert-St Louis
24h 37m
2 stops
MAA3:30 amChennai

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 December 15, 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

Wed 2/11

7:35 am-3:35 pm

2 stops43h 30m

Lambert-St Louis

Sun 2/15

2:00 pm-5:35 am

2 stops28h 05m

$907

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 2/11

7:35 am-3:35 pm

2 stops43h 30m

Lambert-St Louis

Sun 2/15

6:58 pm-5:35 am

2 stops23h 07m

$908

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 5/10

4:20 am-11:24 pm

2 stops29h 34m

Lambert-St Louis

Sat 6/20

12:09 pm-2:50 am

2 stops28h 11m

$1,437

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 5/10

5:35 am-7:30 pm

1 stop24h 25m

Lambert-St Louis

Sat 6/20

4:23 pm-3:30 am

2 stops24h 37m

$1,491

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 5/9

1:55 am-9:04 pm

2 stops29h 39m

Lambert-St Louis

Sat 6/20

1:27 pm-8:45 am

3 stops32h 48m

$1,682

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 5/10

9:40 pm-8:05 pm

3 stops32h 55m

Lambert-St Louis

Sat 6/20

1:15 pm-2:25 am

3 stops26h 40m

$2,287

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 1/27

3:55 am-11:33 pm

3 stops31h 08m

$520

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 1/26

7:15 am-6:51 am

3 stops59h 06m

$527

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 1/29

9:40 pm-11:33 pm

3 stops37h 23m

$528

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 1/26

3:55 am-11:33 pm

3 stops31h 08m

$532

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 $993. The month of September is another great option to travel to St. Louis, with average flight prices from Chennai averaging around $1,089.

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 5% on your flight if you consider stops on a Chennai to St. Louis flight.

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 30m

Direct flights

None
The fastest flight from Chennai to St. Louis takes 43h 30m
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 30m.

  • 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
7,575 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
O'Fallon
Florissant
Fenton
Wentzville
St. Peters
Collinsville
Alton
Farmington
Festus
Clayton
Glencoe
Edwardsville
Eureka
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
Wed 1/14
Wed 1/21

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