Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from St. Louis to Chennai from $1,022

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from St. Louis to Chennai departing on 7/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from St. Louis to Chennai

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
9:24 am - 8:10 pm
STL
-
MAA
24h 16m
2 stops
Multiple Airlines Logo
9:55 pm - 11:59 pm
MAA
-
STL
36h 34m
2 stops
$1,022Multiple Airlines
Tue, Jul 7 - Mon, Aug 24
Qatar Airways Logo
11:35 am - 2:50 am
STL
-
MAA
28h 45m
2 stops
Qatar Airways Logo
3:55 am - 11:12 pm
MAA
-
STL
29h 47m
2 stops
$1,036Qatar Airways
Thu, Sep 3 - Tue, Sep 15
Qatar Airways Logo
11:35 am - 2:50 am
STL
-
MAA
28h 45m
2 stops
Qatar Airways Logo
4:05 am - 7:30 pm
MAA
-
STL
26h 55m
2 stops
$1,053Qatar Airways
Tue, Sep 1 - Mon, Nov 9
Multiple Airlines Logo
7:34 am - 2:25 am
STL
-
MAA
32h 21m
2 stops
Multiple Airlines Logo
4:05 am - 11:59 pm
MAA
-
STL
30h 24m
2 stops
$1,082Multiple Airlines
Sat, Aug 8 - Sat, Aug 22
Qatar Airways Logo
6:20 am - 2:50 am
STL
-
MAA
34h 00m
2 stops
Qatar Airways Logo
3:55 am - 11:12 pm
MAA
-
STL
29h 47m
2 stops
$1,084Qatar Airways
Sun, Sep 13 - Wed, Sep 16
Multiple Airlines Logo
5:23 am - 8:10 pm
STL
-
MAA
28h 17m
2 stops
Multiple Airlines Logo
9:55 pm - 7:25 pm
MAA
-
STL
32h 00m
2 stops
$1,162Multiple Airlines
Sat, Aug 8 - Sat, Aug 22
Multiple Airlines Logo
7:31 am - 2:25 am
STL
-
MAA
32h 24m
2 stops
Multiple Airlines Logo
9:55 pm - 11:59 pm
MAA
-
STL
36h 34m
2 stops
$1,222Multiple Airlines
Tue, Jul 7 - Mon, Aug 24
Multiple Airlines Logo
6:55 am - 8:10 pm
STL
-
MAA
26h 45m
2 stops
Multiple Airlines Logo
9:55 pm - 11:59 pm
MAA
-
STL
36h 34m
2 stops
$1,302Multiple Airlines
Wed, Jul 8 - Thu, Aug 20
Qatar Airways Logo
1:16 pm - 2:50 am
STL
-
MAA
27h 04m
2 stops
Qatar Airways Logo
3:55 am - 10:40 pm
MAA
-
STL
29h 15m
2 stops
$1,349Qatar Airways
Mon, Jul 6 - Mon, Aug 31
Multiple Airlines Logo
9:25 am - 2:25 am
STL
-
MAA
30h 30m
2 stops
Multiple Airlines Logo
4:05 am - 7:21 pm
MAA
-
STL
25h 46m
2 stops
$1,391Multiple Airlines
Tue, Jun 23 - Tue, Jul 14

Lufthansa flights from St. Louis to Chennai

Our best Lufthansa deals on St. Louis to Chennai flight tickets
Lufthansa
Sep 1
STL3:30 pmLambert-St Louis
22h 10m
1 stop
MAA12:10 amChennai
Nov 9
MAA1:50 amChennai
32h 34m
2 stops
STL10:54 pmLambert-St Louis
$1,483
Lufthansa
Sep 1
STL3:30 pmLambert-St Louis
30h 55m
2 stops
MAA8:55 amChennai
Nov 10
MAA9:10 pmChennai
34h 00m
3 stops
STL7:40 pmLambert-St Louis
$1,518
Lufthansa
Sep 3
STL1:00 pmLambert-St Louis
48h 40m
2 stops
MAA12:10 amChennai
Sep 15
MAA1:55 amChennai
22h 00m
1 stop
STL1:25 pmLambert-St Louis
$1,569

Air India flights from St. Louis to Chennai

Our best Air India deals on St. Louis to Chennai flight tickets
Air India
Jul 5
STL2:40 pmLambert-St Louis
27h 45m
2 stops
MAA4:55 amChennai
Aug 29
MAA4:20 pmChennai
32h 12m
2 stops
STL2:02 pmLambert-St Louis
$1,637
Air India
Jul 8
STL12:23 pmLambert-St Louis
30h 02m
2 stops
MAA4:55 amChennai
Aug 22
MAA4:20 pmChennai
32h 12m
2 stops
STL2:02 pmLambert-St Louis
$1,724

momondo Fare Finder

 
Customize your flight search to find flights from St. Louis to Chennai 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 May 12, 2026.
Use the filters below to find and compare flights from St. Louis to Chennai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 7/7

9:24 am-8:10 pm

2 stops24h 16m

Chennai

Mon 8/24

9:55 pm-11:59 pm

2 stops36h 34m

$1,022

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Thu 9/3

11:35 am-2:50 am

2 stops28h 45m

Chennai

Tue 9/15

3:55 am-11:12 pm

2 stops29h 47m

$1,036
Quickest round-trip

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 9/1

11:35 am-2:50 am

2 stops28h 45m

Chennai

Mon 11/9

4:05 am-7:30 pm

2 stops26h 55m

$1,053

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 8/8

7:34 am-2:25 am

2 stops32h 21m

Chennai

Sat 8/22

4:05 am-11:59 pm

2 stops30h 24m

$1,082

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sun 9/13

6:20 am-2:50 am

2 stops34h 00m

Chennai

Wed 9/16

3:55 am-11:12 pm

2 stops29h 47m

$1,084

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 8/8

5:23 am-8:10 pm

2 stops28h 17m

Chennai

Sat 8/22

9:55 pm-7:25 pm

2 stops32h 00m

$1,162

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 7/7

7:31 am-2:25 am

2 stops32h 24m

Chennai

Mon 8/24

9:55 pm-11:59 pm

2 stops36h 34m

$1,222

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 7/8

6:55 am-8:10 pm

2 stops26h 45m

Chennai

Thu 8/20

9:55 pm-11:59 pm

2 stops36h 34m

$1,302

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 7/6

1:16 pm-2:50 am

2 stops27h 04m

Chennai

Mon 8/31

3:55 am-10:40 pm

2 stops29h 15m

$1,349

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 6/23

9:25 am-2:25 am

2 stops30h 30m

Chennai

Tue 7/14

4:05 am-7:21 pm

2 stops25h 46m

$1,391

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

See travel insights to Chennai from

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

What is the typical price of a round-trip flight between St. Louis and Chennai?

What is the cheapest month to fly to Chennai?

In general, March 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 $974. If you’re not able to fly to Chennai in March, then February is your next best option. Flight prices from St. Louis to Chennai during February average around $1,009.

How far in advance should I book a flight from St. Louis 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 $1,356 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 $1,225 on momondo.

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

You could potentially save up to 22% 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

24h 10m

Direct flights

None
The fastest flight from St. Louis to Chennai takes 24h 10m
There are no direct flights from St. Louis to Chennai. There are no popular flight routes from St. Louis to Chennai.
Search flight deals

Frequently asked questions about flying from St. Louis to Chennai

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

    Chennai is 8804.9 mi away from Lambert-St Louis. 24h 10m 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?

  • 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?

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 AirwaysPriceFrom $974Free CancellationRating
7.4
3,728 reviews
Search Qatar Airways flights
LufthansaPriceFrom $1,210Free CancellationRating
6.8
7,993 reviews
Search Lufthansa flights

Traveling to a place near Chennai?

Book flights to Chennai if you plan to visit one of these locations
Mahabalipuram
Vellore

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from St. Louis to Chennai. Millions of users trust and use momondo every year so you are in good hands.

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.

An easier way to manage your Chennai trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 6/11
Thu 6/18
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to India