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Cheap flights from Chennai to St. Louis from $607

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 10/11. 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
1 adult, Economy, 0 bags

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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.
Multiple Airlines Logo
9:55 am - 4:47 pmMAA  Chennai-STL Lambert-St Louis
42h 22m2 stops Abu Dhabi Zayed Intl Chicago O'Hare Intl
Multiple Airlines Logo
7:00 am - 2:50 amSTL  Lambert-St Louis-MAA Chennai
33h 20m2 stops Charlotte Douglas Abu Dhabi Zayed Intl
$1,020Multiple Airlines
Di, Nov 24 - So, Apr 11
Multiple Airlines Logo
9:50 pm - 11:59 pmMAA  Chennai-STL Lambert-St Louis
37h 39m2 stops Abu Dhabi Zayed Intl Chicago O'Hare Intl
Multiple Airlines Logo
7:05 am - 2:50 amSTL  Lambert-St Louis-MAA Chennai
33h 15m2 stops Chicago O'Hare Intl Abu Dhabi Zayed Intl
$1,020Multiple Airlines
Mi, Dez 2 - Mi, Apr 14
British Airways Logo
7:35 am - 5:41 pmMAA  Chennai-STL Lambert-St Louis
45h 36m2 stops London Heathrow Dallas/Fort Worth
British Airways Logo
5:27 pm - 5:35 amSTL  Lambert-St Louis-MAA Chennai
48h 38m2 stops Chicago O'Hare Intl London Heathrow
$1,089British Airways
Do, Feb 4 - Mo, Feb 8
British Airways Logo
7:35 am - 10:44 pmMAA  Chennai-STL Lambert-St Louis
50h 39m2 stops London Heathrow Philadelphia
British Airways Logo
5:27 pm - 5:35 amSTL  Lambert-St Louis-MAA Chennai
48h 38m2 stops Chicago O'Hare Intl London Heathrow
$1,108British Airways
Do, Feb 4 - Mo, Feb 8
British Airways Logo
7:35 am - 10:44 pmMAA  Chennai-STL Lambert-St Louis
50h 39m2 stops London Heathrow Philadelphia
British Airways Logo
5:27 pm - 5:35 amSTL  Lambert-St Louis-MAA Chennai
48h 38m2 stops Chicago O'Hare Intl London Heathrow
$1,109British Airways
Do, Feb 4 - Mo, Feb 8
British Airways Logo
7:35 am - 7:25 pmMAA  Chennai-STL Lambert-St Louis
47h 20m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
11:44 am - 3:30 amSTL  Lambert-St Louis-MAA Chennai
29h 16m2 stops Boston Logan Intl London Heathrow
$1,335British Airways
Di, Nov 24 - Mo, Apr 12
British Airways Logo
7:35 am - 10:15 pmMAA  Chennai-STL Lambert-St Louis
26h 10m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
11:44 am - 3:30 amSTL  Lambert-St Louis-MAA Chennai
29h 16m2 stops Boston Logan Intl London Heathrow
$1,335British Airways
Mi, Dez 2 - Di, Apr 13
British Airways Logo
7:35 am - 4:43 pmMAA  Chennai-STL Lambert-St Louis
44h 38m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
2:12 pm - 3:30 amSTL  Lambert-St Louis-MAA Chennai
26h 48m2 stops Charlotte Douglas London Heathrow
$1,335British Airways
Di, Dez 1 - Mi, Apr 14
British Airways Logo
7:35 am - 10:15 pmMAA  Chennai-STL Lambert-St Louis
26h 10m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
2:12 pm - 3:30 amSTL  Lambert-St Louis-MAA Chennai
26h 48m2 stops Charlotte Douglas London Heathrow
$1,335British Airways
Do, Dez 3 - Mi, Apr 14
British Airways Logo
7:35 am - 7:25 pmMAA  Chennai-STL Lambert-St Louis
47h 20m2 stops London Heathrow Chicago O'Hare Intl
British Airways Logo
11:44 am - 3:30 amSTL  Lambert-St Louis-MAA Chennai
29h 16m2 stops Boston Logan Intl London Heathrow
$1,335British Airways
Di, Nov 24 - Sa, Apr 10

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British Airways flights from Chennai to St. Louis

Our best British Airways deals on Chennai to St. Louis flight tickets
British Airways
Feb 4
MAA7:35 amChennai
45h 36m
2 stops
STL5:41 pmLambert-St Louis
Feb 8
STL5:27 pmLambert-St Louis
48h 38m
2 stops
MAA5:35 amChennai
$1,089
British Airways
Feb 4
MAA7:35 amChennai
50h 39m
2 stops
STL10:44 pmLambert-St Louis
Feb 8
STL5:27 pmLambert-St Louis
48h 38m
2 stops
MAA5:35 amChennai
$1,108
British Airways
Feb 4
MAA7:35 amChennai
50h 39m
2 stops
STL10:44 pmLambert-St Louis
Feb 8
STL5:27 pmLambert-St Louis
48h 38m
2 stops
MAA5:35 amChennai
$1,109

Lufthansa flights from Chennai to St. Louis

Our best Lufthansa deals on Chennai to St. Louis flight tickets
Lufthansa
Dec 1
MAA1:45 amChennai
23h 30m
1 stop
STL1:45 pmLambert-St Louis
Apr 14
STL3:30 pmLambert-St Louis
22h 10m
1 stop
MAA12:10 amChennai
$1,376
Lufthansa
Dec 1
MAA1:45 amChennai
26h 41m
2 stops
STL4:56 pmLambert-St Louis
Apr 14
STL3:30 pmLambert-St Louis
22h 10m
1 stop
MAA12:10 amChennai
$1,382
Lufthansa
Dec 1
MAA1:45 amChennai
23h 30m
1 stop
STL1:45 pmLambert-St Louis
Apr 13
STL1:00 pmLambert-St Louis
24h 40m
2 stops
MAA12:10 amChennai
$1,409

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 August 14, 2026.
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

Cheapest round-trip

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Di 11/24

9:55 am-4:47 pm

2 stops42h 22m

Lambert-St Louis

So 4/11

7:00 am-2:50 am

2 stops33h 20m

$1,020

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Mi 12/2

9:50 pm-11:59 pm

2 stops37h 39m

Lambert-St Louis

Mi 4/14

7:05 am-2:50 am

2 stops33h 15m

$1,020

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Do 2/4

7:35 am-5:41 pm

2 stops45h 36m

Lambert-St Louis

Mo 2/8

5:27 pm-5:35 am

2 stops48h 38m

$1,089

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Do 2/4

7:35 am-10:44 pm

2 stops50h 39m

Lambert-St Louis

Mo 2/8

5:27 pm-5:35 am

2 stops48h 38m

$1,108

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Do 2/4

7:35 am-10:44 pm

2 stops50h 39m

Lambert-St Louis

Mo 2/8

5:27 pm-5:35 am

2 stops48h 38m

$1,109

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Di 11/24

7:35 am-7:25 pm

2 stops47h 20m

Lambert-St Louis

Mo 4/12

11:44 am-3:30 am

2 stops29h 16m

$1,335

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Mi 12/2

7:35 am-10:15 pm

2 stops26h 10m

Lambert-St Louis

Di 4/13

11:44 am-3:30 am

2 stops29h 16m

$1,335

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Di 12/1

7:35 am-4:43 pm

2 stops44h 38m

Lambert-St Louis

Mi 4/14

2:12 pm-3:30 am

2 stops26h 48m

$1,335
Quickest round-trip

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Do 12/3

7:35 am-10:15 pm

2 stops26h 10m

Lambert-St Louis

Mi 4/14

2:12 pm-3:30 am

2 stops26h 48m

$1,335

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Di 11/24

7:35 am-7:25 pm

2 stops47h 20m

Lambert-St Louis

Sa 4/10

11:44 am-3:30 am

2 stops29h 16m

$1,335

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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Can stopping save me money on Chennai to St. Louis flights?

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How have Chennai to St. Louis flight prices changed over time?

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

Fastest flight time

23h 30m

Direct flights

None
The fastest flight from Chennai to St. Louis takes 23h 30m
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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Frequently asked questions about flying from Chennai to St. Louis

  • 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 23h 30m.

  • 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
8,156 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
Fairview Heights
Hermann
St. Peters
Maryland Heights
Collinsville
Florissant
Alton
O'Fallon
Farmington
Clayton
Fenton
Festus
Wentzville
Eureka
Edwardsville
Litchfield
Grafton
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.

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