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Cheap flights from Chennai to St. Louis from ₹ 54,202

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 27/10. 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 return flights

Logo
20:10 - 16:05MAA-STL
30h 25m3 stops
Logo
11:51 - 06:35STL-MAA
31h 14m3 stops
₹ 96,045
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Tue, 23 Sep - Tue, 3 Mar
British Airways Logo
05:35 - 21:06MAA-STL
26h 01m2 stops
British Airways Logo
19:01 - 05:35STL-MAA
23h 04m2 stops
₹ 104,431British Airways
Find Deal
Tue, 23 Sep - Tue, 3 Mar
British Airways Logo
05:35 - 23:58MAA-STL
28h 53m2 stops
British Airways Logo
15:23 - 05:35STL-MAA
26h 42m2 stops
₹ 104,696British Airways
Find Deal
Fri, 10 Oct - Mon, 10 Nov
Cathay Pacific Logo
01:50 - 22:27MAA-STL
32h 07m2 stops
Cathay Pacific Logo
06:30 - 00:15STL-MAA
55h 15m2 stops
₹ 117,937Cathay Pacific
Find Deal
Mon, 9 Feb - Tue, 16 Jun
Emirates Logo
22:00 - 19:42MAA-STL
32h 12m2 stops
Emirates Logo
15:23 - 08:05STL-MAA
30h 12m2 stops
₹ 118,555Emirates
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Wed, 24 Sep - Sat, 27 Sep
Lufthansa Logo
01:55 - 13:30MAA-STL
22h 05m1 stop
Lufthansa Logo
12:31 - 00:05STL-MAA
24h 04m2 stops
₹ 125,529Lufthansa
Find Deal
Thu, 9 Oct - Mon, 10 Nov
Emirates Logo
22:00 - 21:40MAA-STL
34h 10m2 stops
Emirates Logo
15:14 - 02:15STL-MAA
24h 31m2 stops
₹ 126,500Emirates
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Sat, 25 Oct - Sat, 1 Nov
Qatar Airways Logo
21:50 - 18:23MAA-STL
32h 03m2 stops
Qatar Airways Logo
14:38 - 02:50STL-MAA
25h 42m2 stops
₹ 127,648Qatar Airways
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Tue, 10 Feb - Tue, 16 Jun
Cathay Pacific Logo
01:30 - 20:32MAA-STL
29h 32m2 stops
Cathay Pacific Logo
06:20 - 00:15STL-MAA
55h 25m2 stops
₹ 128,089Cathay Pacific
Find Deal
Tue, 23 Sep - Sat, 27 Sep
Lufthansa Logo
01:55 - 23:57MAA-STL
32h 32m2 stops
Lufthansa Logo
12:31 - 00:05STL-MAA
24h 04m2 stops
₹ 172,404Lufthansa
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Thu, 9 Oct - Mon, 10 Nov

British Airways flights from Chennai to St. Louis

Our best British Airways deals on Chennai to St. Louis flight tickets
British Airways
23 Sept
MAA05:35Chennai
26h 01m
2 stops
STL21:06Lambert-St Louis
3 Mar
STL19:01Lambert-St Louis
23h 04m
2 stops
MAA05:35Chennai
₹ 104,431
Find similar
British Airways
10 Oct
MAA05:35Chennai
28h 53m
2 stops
STL23:58Lambert-St Louis
10 Nov
STL15:23Lambert-St Louis
26h 42m
2 stops
MAA05:35Chennai
₹ 104,696
Find similar
British Airways
4 Oct
MAA05:35Chennai
48h 05m
2 stops
STL19:10Lambert-St Louis
8 Oct
STL12:51Lambert-St Louis
28h 09m
2 stops
MAA03:30Chennai
₹ 176,641
Find similar

Emirates flights from Chennai to St. Louis

Our best Emirates deals on Chennai to St. Louis flight tickets
Emirates
24 Sept
MAA22:00Chennai
32h 12m
2 stops
STL19:42Lambert-St Louis
27 Sept
STL15:23Lambert-St Louis
30h 12m
2 stops
MAA08:05Chennai
₹ 118,555
Find similar
Emirates
25 Oct
MAA22:00Chennai
34h 10m
2 stops
STL21:40Lambert-St Louis
1 Nov
STL15:14Lambert-St Louis
24h 31m
2 stops
MAA02:15Chennai
₹ 126,500
Find similar
Emirates
4 Oct
MAA04:00Chennai
26h 12m
2 stops
STL19:42Lambert-St Louis
8 Oct
STL15:23Lambert-St Louis
24h 37m
2 stops
MAA02:30Chennai
₹ 148,305
Find similar

momondo Fare Finder

 
Customise 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 59,053 searches. Data last updated 12 September 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

Tue 23/9

20:10-16:05

3 stops30h 25m

Lambert-St Louis

Tue 3/3

11:51-06:35

3 stops31h 14m

₹ 96,045

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 23/9

05:35-21:06

2 stops26h 01m

Lambert-St Louis

Tue 3/3

19:01-05:35

2 stops23h 04m

₹ 104,431

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 10/10

05:35-23:58

2 stops28h 53m

Lambert-St Louis

Mon 10/11

15:23-05:35

2 stops26h 42m

₹ 104,696

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 9/2

01:50-22:27

2 stops32h 07m

Lambert-St Louis

Tue 16/6

06:30-00:15

2 stops55h 15m

₹ 117,937

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 24/9

22:00-19:42

2 stops32h 12m

Lambert-St Louis

Sat 27/9

15:23-08:05

2 stops30h 12m

₹ 118,555

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 9/10

01:55-13:30

1 stop22h 05m

Lambert-St Louis

Mon 10/11

12:31-00:05

2 stops24h 04m

₹ 125,529

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 25/10

22:00-21:40

2 stops34h 10m

Lambert-St Louis

Sat 1/11

15:14-02:15

2 stops24h 31m

₹ 126,500

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 10/2

21:50-18:23

2 stops32h 03m

Lambert-St Louis

Tue 16/6

14:38-02:50

2 stops25h 42m

₹ 127,648

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 23/9

01:30-20:32

2 stops29h 32m

Lambert-St Louis

Sat 27/9

06:20-00:15

2 stops55h 25m

₹ 128,089

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 9/10

01:55-23:57

2 stops32h 32m

Lambert-St Louis

Mon 10/11

12:31-00:05

2 stops24h 04m

₹ 172,404

Flights are sorted by cheapest return 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 ₹ 95,868. If you are unable to visit St. Louis during the month of December, then departing from Chennai during the month September is also very affordable. Most momondo users find prices during this month for around ₹ 96,133.

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

According to our data, Friday is the cheapest day to fly to St. Louis from Chennai. The lowest ticket price found for a Friday departure recently was ₹ 140,140. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. The most expensive day to fly to St. Louis is Sunday, with ticket prices averaging around ₹ 162,059.

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

According to our data, the cheapest time of day to fly to St. Louis is in the morning. momondo users have found flights departing from Chennai to St. Louis in the morning for as low as ₹ 103,304. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to St. Louis are more costly in the evening, with an average ticket price of ₹ 152,296. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 11% 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 September 2025, prices for Chennai to St. Louis flights are approximately 11% 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 return 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.
Search flight deals

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

    There are 14170.0 km between Chennai and Lambert-St Louis. 22h 05m is a normal flight duration for this route.

  • 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 are refreshed on a daily basis.

  • 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 a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chennai Airport to Lambert-St Louis Airport.

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

    The travel and health documents required for your trip to Lambert-St Louis Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Lambert-St Louis Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • 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 ₹ 86,103Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
LufthansaPriceFrom ₹ 104,740Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights

Travelling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
O'Fallon

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. momondo allows you to filter the results for Chennai to St. Louis flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Chennai and St. Louis by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Chennai to St. Louis now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to St. Louis and let you know when they change.

An easier way to manage your St. Louis trip

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