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Cheap flights from Chennai to St. Louis from ₹ 72,787

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 31/3. 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

Enter your travel dates to find the best prices.
British Airways Logo
07:35 - 20:21MAA-STL
48h 16m2 stops
British Airways Logo
11:42 - 05:35STL-MAA
30h 23m2 stops
₹ 93,583British Airways
Find Deal
Sat, 8 Nov - Wed, 12 Nov
British Airways Logo
07:35 - 22:29MAA-STL
50h 24m2 stops
British Airways Logo
06:00 - 05:35STL-MAA
36h 05m2 stops
₹ 94,112British Airways
Find Deal
Sat, 8 Nov - Wed, 12 Nov
Qatar Airways Logo
04:05 - 21:00MAA-STL
52h 25m2 stops
Qatar Airways Logo
14:06 - 02:30STL-MAA
24h 54m2 stops
₹ 126,804Qatar Airways
Find Deal
Sat, 15 Nov - Wed, 31 Dec
Lufthansa Logo
01:50 - 21:40MAA-STL
31h 20m2 stops
Lufthansa Logo
15:50 - 00:05STL-MAA
20h 45m1 stop
₹ 133,149Lufthansa
Find Deal
Sat, 15 Nov - Wed, 31 Dec
Cathay Pacific Logo
02:00 - 22:58MAA-STL
32h 28m2 stops
Cathay Pacific Logo
07:00 - 00:35STL-MAA
54h 05m2 stops
₹ 135,352Cathay Pacific
Find Deal
Fri, 7 Nov - Wed, 12 Nov
Cathay Pacific Logo
02:00 - 22:58MAA-STL
32h 28m2 stops
Cathay Pacific Logo
07:00 - 00:35STL-MAA
30h 05m2 stops
₹ 135,793Cathay Pacific
Find Deal
Fri, 7 Nov - Wed, 12 Nov
British Airways Logo
07:35 - 23:56MAA-STL
27h 51m2 stops
British Airways Logo
15:30 - 05:35STL-MAA
26h 35m2 stops
₹ 144,693British Airways
Find Deal
Sun, 16 Nov - Wed, 31 Dec
British Airways Logo
20:30 - 23:56MAA-STL
38h 56m3 stops
British Airways Logo
14:06 - 05:35STL-MAA
27h 59m2 stops
₹ 160,731British Airways
Find Deal
Sun, 16 Nov - Wed, 31 Dec
Multiple Airlines Logo
04:05 - 21:00MAA-STL
52h 25m2 stops
Multiple Airlines Logo
16:05 - 22:50STL-MAA
43h 15m3 stops
₹ 166,635Multiple Airlines
Find Deal
Sat, 15 Nov - Wed, 31 Dec
Multiple Airlines Logo
21:45 - 23:59MAA-STL
37h 44m2 stops
Multiple Airlines Logo
15:50 - 00:05STL-MAA
20h 45m1 stop
₹ 174,742Multiple Airlines
Find Deal
Sun, 16 Nov - Wed, 31 Dec

Cathay Pacific flights from Chennai to St. Louis

Our best Cathay Pacific deals on Chennai to St. Louis flight tickets
Cathay Pacific
7 Nov
MAA02:00Chennai
32h 28m
2 stops
STL22:58Lambert-St Louis
12 Nov
STL07:00Lambert-St Louis
54h 05m
2 stops
MAA00:35Chennai
₹ 135,352
Find similar
Cathay Pacific
7 Nov
MAA02:00Chennai
32h 28m
2 stops
STL22:58Lambert-St Louis
12 Nov
STL07:00Lambert-St Louis
30h 05m
2 stops
MAA00:35Chennai
₹ 135,793
Find similar

British Airways flights from Chennai to St. Louis

Our best British Airways deals on Chennai to St. Louis flight tickets
British Airways
8 Nov
MAA07:35Chennai
48h 16m
2 stops
STL20:21Lambert-St Louis
12 Nov
STL11:42Lambert-St Louis
30h 23m
2 stops
MAA05:35Chennai
₹ 93,583
Find similar
British Airways
8 Nov
MAA07:35Chennai
50h 24m
2 stops
STL22:29Lambert-St Louis
12 Nov
STL06:00Lambert-St Louis
36h 05m
2 stops
MAA05:35Chennai
₹ 94,112
Find similar
British Airways
16 Nov
MAA07:35Chennai
27h 51m
2 stops
STL23:56Lambert-St Louis
31 Dec
STL15:30Lambert-St Louis
26h 35m
2 stops
MAA05:35Chennai
₹ 144,693
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 28 October 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 8/11

07:35-20:21

2 stops48h 16m

Lambert-St Louis

Wed 12/11

11:42-05:35

2 stops30h 23m

₹ 93,583

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 8/11

07:35-22:29

2 stops50h 24m

Lambert-St Louis

Wed 12/11

06:00-05:35

2 stops36h 05m

₹ 94,112

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 15/11

04:05-21:00

2 stops52h 25m

Lambert-St Louis

Wed 31/12

14:06-02:30

2 stops24h 54m

₹ 126,804

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 15/11

01:50-21:40

2 stops31h 20m

Lambert-St Louis

Wed 31/12

15:50-00:05

1 stop20h 45m

₹ 133,149

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 7/11

02:00-22:58

2 stops32h 28m

Lambert-St Louis

Wed 12/11

07:00-00:35

2 stops54h 05m

₹ 135,352

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 7/11

02:00-22:58

2 stops32h 28m

Lambert-St Louis

Wed 12/11

07:00-00:35

2 stops30h 05m

₹ 135,793

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 16/11

07:35-23:56

2 stops27h 51m

Lambert-St Louis

Wed 31/12

15:30-05:35

2 stops26h 35m

₹ 144,693

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 16/11

20:30-23:56

3 stops38h 56m

Lambert-St Louis

Wed 31/12

14:06-05:35

2 stops27h 59m

₹ 160,731

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 15/11

04:05-21:00

2 stops52h 25m

Lambert-St Louis

Wed 31/12

16:05-22:50

3 stops43h 15m

₹ 166,635

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 16/11

21:45-23:59

2 stops37h 44m

Lambert-St Louis

Wed 31/12

15:50-00:05

1 stop20h 45m

₹ 174,742

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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 ₹ 87,503. 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 ₹ 95,963.

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 ₹ 139,891. 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 ₹ 161,771.

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 ₹ 103,121. 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 ₹ 152,026. 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 12% 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 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. 27h 51m 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 ₹ 83,546Free CancellationRating
6.7
7,483 reviews
Search British Airways flights
LufthansaPriceFrom ₹ 104,554Free CancellationRating
6.8
7,538 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

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