What is the cheapest airline that flies from Lambert-St Louis to Chennai?

Lufthansa and Qatar Airways are the most popular carriers operating from Lambert-St Louis to Chennai

When did momondo last update prices for flights from Lambert-St Louis Airport to Chennai Airport?

Prices for flights from Lambert-St Louis Airport to Chennai Airport are updated daily.

How many operators does momondo search for flights from Lambert-St Louis Airport to Chennai Airport?

The number of operators available for flights from Lambert-St Louis Airport to Chennai Airport is 2 as of December 2025.

How old do you have to be to fly from Lambert-St Louis Airport to Chennai Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Chennai Airport.

What documentation or ID do you need to fly to Chennai Airport?

The travel and health documents you'll need for your trip to Chennai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chennai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$469 Cheap Flights from St. Louis to Chennai in 2025/26

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Find the cheapest flights from St. Louis to Chennai

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 2:30 am

STL

MAA

32h 00m2 stops

3:25 am - 10:09 pm

MAA

STL

30h 14m2 stops

$955Qatar Airways

Mon, Feb 23 - Tue, Mar 3

9:33 am - 2:20 am

STL

MAA

29h 17m2 stops

3:25 am - 6:14 pm

MAA

STL

26h 19m2 stops

$957Qatar Airways

Wed, Jan 28 - Tue, Feb 10

2:54 pm - 2:30 am

STL

MAA

24h 06m2 stops

3:25 am - 6:14 pm

MAA

STL

26h 19m2 stops

$971Qatar Airways

Sun, Jan 25 - Tue, Feb 10

6:00 am - 7:55 pm

STL

MAA

26h 25m2 stops

9:40 pm - 3:02 pm

MAA

STL

28h 52m2 stops

$972Multiple Airlines

Sat, Feb 21 - Mon, Mar 2

1:35 pm - 2:20 am

STL

MAA

25h 15m2 stops

3:25 am - 6:14 pm

MAA

STL

26h 19m2 stops

$988Qatar Airways

Thu, Jan 29 - Tue, Feb 10

12:11 pm - 2:30 am

STL

MAA

26h 49m2 stops

3:25 am - 6:04 pm

MAA

STL

26h 09m2 stops

$996Qatar Airways

Wed, Jan 21 - Fri, Feb 13

1:40 pm - 2:20 am

STL

MAA

25h 10m2 stops

3:25 am - 7:25 pm

MAA

STL

27h 30m2 stops

$1,010Qatar Airways

Sat, Jan 31 - Wed, Feb 11

2:54 pm - 2:20 am

STL

MAA

23h 56m2 stops

3:25 am - 7:25 pm

MAA

STL

27h 30m2 stops

$1,027Qatar Airways

Fri, Jan 30 - Wed, Feb 11

12:06 pm - 2:20 am

STL

MAA

26h 44m2 stops

3:25 am - 6:13 pm

MAA

STL

26h 18m2 stops

$1,034Qatar Airways

Sat, Jan 31 - Fri, Feb 6

2:00 pm - 2:20 am

STL

MAA

24h 50m2 stops

3:25 am - 6:02 pm

MAA

STL

26h 07m2 stops

$1,040Qatar Airways

Fri, Feb 13 - Sat, Feb 28

Qatar Airways flights from St. Louis to Chennai

Our best Qatar Airways deals on St. Louis to Chennai flight tickets

Qatar Airways

Feb 23

STL7:00 amLambert-St Louis

32h 00m

2 stops

MAA2:30 amChennai

Mar 3

MAA3:25 amChennai

30h 14m

2 stops

STL10:09 pmLambert-St Louis

$955

Find similar

Qatar Airways

Jan 28

STL9:33 amLambert-St Louis

29h 17m

2 stops

MAA2:20 amChennai

Feb 10

MAA3:25 amChennai

26h 19m

2 stops

STL6:14 pmLambert-St Louis

$957

Find similar

Qatar Airways

Jan 25

STL2:54 pmLambert-St Louis

24h 06m

2 stops

MAA2:30 amChennai

Feb 10

MAA3:25 amChennai

26h 19m

2 stops

STL6:14 pmLambert-St Louis

$971

Find similar

Lufthansa flights from St. Louis to Chennai

Our best Lufthansa deals on St. Louis to Chennai flight tickets

Lufthansa

Feb 23

STL8:30 amLambert-St Louis

28h 05m

2 stops

MAA12:05 amChennai

Mar 3

MAA1:50 amChennai

23h 35m

1 stop

STL1:55 pmLambert-St Louis

$1,113

Find similar

Lufthansa

Jan 28

STL3:50 pmLambert-St Louis

20h 45m

1 stop

MAA12:05 amChennai

Feb 10

MAA1:50 amChennai

33h 39m

2 stops

STL11:59 pmLambert-St Louis

$1,132

Find similar

Lufthansa

Jan 28

STL3:50 pmLambert-St Louis

20h 45m

1 stop

MAA12:05 amChennai

Feb 11

MAA1:50 amChennai

31h 20m

2 stops

STL9:40 pmLambert-St Louis

$1,134

Find similar

Fly from

Fly to

Route

Depart

Return

Price

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 2/23

7:00 am-2:30 am

2 stops32h 00m

Chennai

Tue 3/3

3:25 am-10:09 pm

2 stops30h 14m

$955

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 1/28

9:33 am-2:20 am

2 stops29h 17m

Chennai

Tue 2/10

3:25 am-6:14 pm

2 stops26h 19m

$957

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 1/25

2:54 pm-2:30 am

2 stops24h 06m

Chennai

Tue 2/10

3:25 am-6:14 pm

2 stops26h 19m

$971

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 2/21

6:00 am-7:55 pm

2 stops26h 25m

Chennai

Mon 3/2

9:40 pm-3:02 pm

2 stops28h 52m

$972

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Thu 1/29

1:35 pm-2:20 am

2 stops25h 15m

Chennai

Tue 2/10

3:25 am-6:14 pm

2 stops26h 19m

$988

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 1/21

12:11 pm-2:30 am

2 stops26h 49m

Chennai

Fri 2/13

3:25 am-6:04 pm

2 stops26h 09m

$996

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 1/31

1:40 pm-2:20 am

2 stops25h 10m

Chennai

Wed 2/11

3:25 am-7:25 pm

2 stops27h 30m

$1,010

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 1/30

2:54 pm-2:20 am

2 stops23h 56m

Chennai

Wed 2/11

3:25 am-7:25 pm

2 stops27h 30m

$1,027

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 1/31

12:06 pm-2:20 am

2 stops26h 44m

Chennai

Fri 2/6

3:25 am-6:13 pm

2 stops26h 18m

$1,034

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 2/13

2:00 pm-2:20 am

2 stops24h 50m

Chennai

Sat 2/28

3:25 am-6:02 pm

2 stops26h 07m

$1,040

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from St. Louis to Chennai

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

Prices

Airlines

What is the cheapest month to fly to Chennai?

In general, February is the cheapest month to fly from St. Louis to Chennai. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,112. If you’re not able to fly to Chennai in February, then September is your next best option. Flight prices from St. Louis to Chennai during September average around $1,243.

What is the cheapest day to depart on your flight to Chennai?

The cheapest day to depart on your flight to Chennai is on a Tuesday when prices can be found for as low as $1,353. This is often the case because there is less demand to fly during this day of the week. Flights from St. Louis to Chennai on a Wednesday will generally be more expensive and average around $1,678. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Chennai?

At noon is the cheapest time of day to fly from St. Louis to Chennai when you can find flight prices for as low as $1,546. Flying to Chennai at noon is an ideal time because this is during off-peak travel hours. In contrast, the most expensive time of day to depart to Chennai is in the evening when prices are around $1,996.

How far in advance should I book a flight to Chennai?

You are more likely to see cheaper flights to Chennai from St. Louis when booking weeks ahead of your departure date. In general, you can expect to find flights to Chennai for around $1,399 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chennai from St. Louis for as low as $1,247 on momondo.

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

You could potentially save up to 8% on your flight if you consider stops on a St. Louis to Chennai flight.

When to book flights from St. Louis to Chennai

Are you open to changing your travel dates? Check out the ideal times to fly from St. Louis to Chennai according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap St. Louis to Chennai (STL to MAA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from St. Louis to Chennai

Fastest flight time	20h 45m
Direct flights	None

The fastest flight from St. Louis to Chennai takes 20h 45m

There are no direct flights from St. Louis to Chennai. There are no popular flight routes from St. Louis to Chennai.

Search flight deals

How far is Lambert-St Louis to Chennai by plane?
Chennai is 8804.9 mi away from Lambert-St Louis. 20h 45m is a normal flight duration for this route.
When did momondo last update prices for flights from Lambert-St Louis Airport to Chennai Airport?
Prices for flights from Lambert-St Louis Airport to Chennai Airport are updated daily.
How many operators does momondo search for flights from Lambert-St Louis Airport to Chennai Airport?
The number of operators available for flights from Lambert-St Louis Airport to Chennai Airport is 2 as of December 2025.
How old do you have to be to fly from Lambert-St Louis Airport to Chennai Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Lambert-St Louis Airport to Chennai Airport.
What documentation or ID do you need to fly to Chennai Airport?
The travel and health documents you'll need for your trip to Chennai Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Chennai Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from St. Louis to Chennai?
Based on momondo bookings for flights between St. Louis and Chennai, the leading airline is Lufthansa, making up 52% of the total bookings. Other popular airlines include Qatar Airways with 48%.

Best airlines flying from St. Louis to Chennai

Compare and see reviews for airlines that fly from St. Louis to Chennai with momondo

Airline	Rating	Free Cancellation	Price
Qatar Airways	PriceFrom $1,088	Free Cancellation	Rating 7.4 3,685 reviews		Search Qatar Airways flights
Lufthansa	PriceFrom $1,227	Free Cancellation	Rating 6.8 7,634 reviews		Search Lufthansa flights

Mahabalipuram

Vellore

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Why should I use momondo to find a flight deal from St. Louis to Chennai?

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Can I find flights from St. Louis to Chennai with flexible booking policies on momondo?

Flights from St. Louis to Chennai with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Chennai from St. Louis. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of St. Louis to Chennai flights. All you need is a valid email address and we will do the rest; it is that quick and easy.