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St. Louis

$942+ Cheap flights from Chennai (MAA) to St. Louis (STL)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/25. Fares are subject to change and may not be available on all flights or dates of travel.
MAA — STL
Feb 25 — Mar 41
Wed 2/25
Wed 3/4
1 adult, Economy
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Cheap flight deals from Chennai to St. Louis

Cheapest flights from Chennai to St. Louis
Explore the most affordable flight options available from Chennai to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 26, 2026.

This British Airways deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/255:35 am
MAA
-
STL
2 stops28h 33m
British Airways
Mon 9/286:06 am
STL
-
MAA
2 stops34h 54m
British Airways
Deal found 1/25$942
This Etihad Airways deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/1110:00 am
MAA
-
STL
2 stops48h 14m
Multiple Airlines
Wed 3/189:37 am
STL
-
MAA
2 stops36h 03m
Multiple Airlines
Deal found 1/25$984
This Lufthansa deal was found by Cheapflights users on 1/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/161:55 am
MAA
-
STL
1 stop22h 00m
Lufthansa
Sat 8/151:27 pm
STL
-
MAA
2 stops24h 13m
Lufthansa
Deal found 1/24$1,254
This Lufthansa deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/101:50 am
MAA
-
STL
1 stop23h 35m
Lufthansa
Wed 3/1811:28 am
STL
-
MAA
2 stops26h 07m
Lufthansa
Deal found 1/25$1,361
This Gurufare deal was found by Cheapflights users on 1/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/117:35 am
MAA
-
STL
2 stops26h 39m
British Airways
Wed 3/182:00 pm
STL
-
MAA
3 stops30h 05m
British Airways
Deal found 1/25$1,725

Find flight deals from Chennai to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Chennai (MAA) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$984
(Etihad Airways)

Popular in

February

Cheapest in

December

Average price

$1,260
Provider with most accurate pricing for Chennai-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chennai-Lambert-St Louis flights.
Search Deals
From Chennai to Lambert-St Louis
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($207 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($78 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
Use the filters below to find and compare flights from Chennai to St. Louis that are best for you.

Fly from

Chennai

Fly to

St. Louis

Route

Depart

Return

Price

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 3/11

10:00 am-11:44 pm

2 stops48h 14m

Lambert-St Louis

Wed 3/18

9:37 am-8:10 am

2 stops36h 03m

$984

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 5/16

1:55 am-1:25 pm

1 stop22h 00m

Lambert-St Louis

Sat 8/15

1:27 pm-12:10 am

2 stops24h 13m

$1,254

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 3/10

1:50 am-2:55 pm

1 stop23h 35m

Lambert-St Louis

Wed 3/18

4:50 pm-12:05 am

1 stop20h 45m

$1,361

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 3/11

7:35 am-11:44 pm

2 stops26h 39m

Lambert-St Louis

Wed 3/18

2:00 pm-6:35 am

3 stops30h 05m

$1,725

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/25

  • Most accurate provider: When it comes to deals on Chennai-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chennai-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chennai-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chennai-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chennai-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Chennai to St. Louis

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Chennai with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chennai to St. Louis

What is the cheapest month to book a flight from Chennai to St. Louis?

Currently, December is the cheapest month in which you can book a flight from Chennai to St. Louis (average of $899). Flying from Chennai to St. Louis in February is currently the most expensive (average of $1,616). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated January 26, 2026.
Peruse reviews from past customers who have flown with British Airways from Chennai to St. Louis to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,700 reviews

Food

6.4

Comfort

6.8

Crew

7.6

Boarding

6.9

Entertainment

6.4

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,700 reviews
British Airways
6.7
Okay
7,700 reviews

Food

6.4

Comfort

6.8

Crew

7.6

Boarding

6.9

Entertainment

6.4

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sep 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

Related info for your journey

Find useful and relevant information for your journey from Chennai to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Chennai to St. Louis?

    For as low as $1,254, Lufthansa can have you in St. Louis from Chennai in 22h. Airlines will cover a distance of 8804 mi.

  • What is the cheapest airline to fly from Chennai to St. Louis round-trip?

    Currently priced at $899, British Airways will fly you from Chennai to St. Louis and back. In addition to British Airways, many other airlines offer competitively priced options for your trip. British Airways is currently priced 34% below the average price you’ll pay for this route.

  • Can I find deals for flights from Chennai to St. Louis that include hotel bookings?

    Yes. In addition to deals on Chennai to St. Louis flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Chennai to St. Louis?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Chennai to St. Louis.

  • Can I find deals for business class flights from Chennai to St. Louis?

    Yes. Cheapflights offers flight deals from Chennai to St. Louis by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chennai to St. Louis?

    Currently, December is the cheapest month in which you can book a flight from Chennai to St. Louis (average of $899). Flying from Chennai to St. Louis in February is currently the most expensive (average of $1,616). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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Alternative routes for Chennai to St. Louis

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Top airline flying from Chennai to St. Louis

Discover the top airline that operate flights from Chennai to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 26, 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$899Average$1,064FlexibilityNo cancel feeOn-time70%

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