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Cheap flights from Chennai to St. Louis from $826

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 3/31. 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

Enter your travel dates to find the best prices.
British Airways Logo
7:35 am - 8:21 pmMAA-STL
48h 16m2 stops
British Airways Logo
11:42 am - 5:35 amSTL-MAA
30h 23m2 stops
$1,062British Airways
Find Deal
Sat, Nov 8 - Wed, Nov 12
British Airways Logo
7:35 am - 10:29 pmMAA-STL
50h 24m2 stops
British Airways Logo
6:00 am - 5:35 amSTL-MAA
36h 05m2 stops
$1,068British Airways
Find Deal
Sat, Nov 8 - Wed, Nov 12
British Airways Logo
7:35 am - 7:29 pmMAA-STL
47h 24m2 stops
British Airways Logo
6:00 am - 5:35 amSTL-MAA
36h 05m2 stops
$1,072British Airways
Find Deal
Sat, Nov 8 - Wed, Nov 12
Cathay Pacific Logo
2:00 am - 10:58 pmMAA-STL
32h 28m2 stops
Cathay Pacific Logo
7:00 am - 12:35 amSTL-MAA
54h 05m2 stops
$1,536Cathay Pacific
Find Deal
Fri, Nov 7 - Wed, Nov 12
Cathay Pacific Logo
2:00 am - 10:58 pmMAA-STL
32h 28m2 stops
Cathay Pacific Logo
7:00 am - 12:35 amSTL-MAA
30h 05m2 stops
$1,541Cathay Pacific
Find Deal
Fri, Nov 7 - Wed, Nov 12

Cathay Pacific flights from Chennai to St. Louis

Our best Cathay Pacific deals on Chennai to St. Louis flight tickets
Cathay Pacific
Nov 7
MAA2:00 amChennai
32h 28m
2 stops
STL10:58 pmLambert-St Louis
Nov 12
STL7:00 amLambert-St Louis
54h 05m
2 stops
MAA12:35 amChennai
$1,536
Find similar
Cathay Pacific
Nov 7
MAA2:00 amChennai
32h 28m
2 stops
STL10:58 pmLambert-St Louis
Nov 12
STL7:00 amLambert-St Louis
30h 05m
2 stops
MAA12:35 amChennai
$1,541
Find similar

British Airways flights from Chennai to St. Louis

Our best British Airways deals on Chennai to St. Louis flight tickets
British Airways
Nov 8
MAA7:35 amChennai
48h 16m
2 stops
STL8:21 pmLambert-St Louis
Nov 12
STL11:42 amLambert-St Louis
30h 23m
2 stops
MAA5:35 amChennai
$1,062
Find similar
British Airways
Nov 8
MAA7:35 amChennai
50h 24m
2 stops
STL10:29 pmLambert-St Louis
Nov 12
STL6:00 amLambert-St Louis
36h 05m
2 stops
MAA5:35 amChennai
$1,068
Find similar
British Airways
Nov 8
MAA7:35 amChennai
47h 24m
2 stops
STL7:29 pmLambert-St Louis
Nov 12
STL6:00 amLambert-St Louis
36h 05m
2 stops
MAA5:35 amChennai
$1,072
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 October 28, 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

Sat 11/8

7:35 am-8:21 pm

2 stops48h 16m

Lambert-St Louis

Wed 11/12

11:42 am-5:35 am

2 stops30h 23m

$1,062

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 11/8

7:35 am-10:29 pm

2 stops50h 24m

Lambert-St Louis

Wed 11/12

6:00 am-5:35 am

2 stops36h 05m

$1,068

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 11/8

7:35 am-7:29 pm

2 stops47h 24m

Lambert-St Louis

Wed 11/12

6:00 am-5:35 am

2 stops36h 05m

$1,072

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 11/7

2:00 am-10:58 pm

2 stops32h 28m

Lambert-St Louis

Wed 11/12

7:00 am-12:35 am

2 stops54h 05m

$1,536

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 11/7

2:00 am-10:58 pm

2 stops32h 28m

Lambert-St Louis

Wed 11/12

7:00 am-12:35 am

2 stops30h 05m

$1,541

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 3/31

1:55 am-1:30 pm

1 stop22h 05m

$826

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 4/1

7:50 pm-7:48 pm

3 stops34h 28m

$1,121

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 4/1

9:00 pm-11:55 pm

3 stops37h 25m

$1,365

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 4/1

5:35 am-9:48 pm

2 stops26h 43m

$1,417

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 3/31

1:55 am-1:30 pm

1 stop22h 05m

$1,436

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 $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 17% 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

Direct flights

None
There are no direct flights from Chennai to St. Louis. There are no popular flight routes from Chennai to St. Louis.
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  • 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 32h 28m.

  • 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
7,483 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
Wentzville
Fenton
Collinsville
St. Peters
Alton
Farmington
Festus
Glencoe
Edwardsville
Clayton
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.

An easier way to manage your St. Louis trip

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