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St. Louis

$658+ Cheap flights from Chennai (MAA) to St. Louis (STL)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/18. Fares are subject to change and may not be available on all flights or dates of travel.
MAA — STL
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
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Cheap 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 July 29, 2025.

Round-trip from

$1,028
(British Airways)

One-way from

$658
(Mytrip)

Popular in

May

Cheapest in

December

Average price

$1,261
From Chennai to Lambert-St Louis
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One-way flight from Chennai to Lambert-St Louis
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Highest demand for flights based on searches. 8% potential increase in price ($128 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find 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 July 29, 2025.

This British Airways deal was found by Cheapflights users on 7/28. 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.
Sat 10/45:35 amMAA - STL
2 stops52h 43mBritish Airways
Wed 10/810:36 amSTL - MAA
2 stops30h 24mBritish Airways
Deal found 7/28$1,028
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/264:20 amMAA - STL
2 stops30h 09mQatar Airways
Tue 9/24:19 pmSTL - MAA
2 stops24h 01mQatar Airways
Deal found 7/29$1,502
This Gurufare deal was found by Cheapflights users on 7/28. 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 9/36:40 amMAA - STL
3 stops43h 34mLufthansa
Tue 12/26:42 pmSTL - MAA
2 stops41h 53mLufthansa
Deal found 7/28$1,508
This FlightHub deal was found by Cheapflights users on 7/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/21:55 amMAA - STL
2 stops48h 19mMultiple Airlines
Tue 12/24:05 pmSTL - MAA
2 stops44h 30mMultiple Airlines
Deal found 7/28$1,529
This EaseMyTrip deal was found by Cheapflights users on 7/28. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/138:10 pmMAA - STL
3 stops31h 05mKLM
Sun 6/72:18 pmSTL - MAA
3 stops35h 27mKLM
Deal found 7/28$1,762
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/133:45 pmMAA - STL
2 stops33h 00mAmerican Airlines
Tue 6/910:35 amSTL - MAA
2 stops32h 10mAmerican Airlines
Deal found 7/28$1,767

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 July 29, 2025.
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

Sat 10/4

5:35 am-11:48 pm

2 stops52h 43m

Lambert-St Louis

Wed 10/8

10:36 am-3:30 am

2 stops30h 24m

$1,028

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 8/26

4:20 am-11:59 pm

2 stops30h 09m

Lambert-St Louis

Tue 9/2

4:19 pm-2:50 am

2 stops24h 01m

$1,502

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 9/3

6:40 am-3:44 pm

3 stops43h 34m

Lambert-St Louis

Tue 12/2

6:42 pm-12:05 am

2 stops41h 53m

$1,508

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 9/2

1:55 am-3:44 pm

2 stops48h 19m

Lambert-St Louis

Tue 12/2

4:05 pm-12:05 am

2 stops44h 30m

$1,529

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 8/13

8:10 pm-4:45 pm

3 stops31h 05m

Lambert-St Louis

Sun 6/7

2:18 pm-12:15 pm

3 stops35h 27m

$1,762

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 8/13

3:45 pm-2:15 pm

2 stops33h 00m

Lambert-St Louis

Tue 6/9

10:35 am-5:15 am

2 stops32h 10m

$1,767

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 9/18

10:00 pm-4:35 pm

3 stops29h 05m

$658

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 9/18

3:45 pm-2:44 pm

2 stops33h 29m

$743

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 9/18

1:55 am-1:30 pm

1 stop22h 05m

$835

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 9/10

10:00 pm-10:59 pm

3 stops35h 29m

$837

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/29

Showing 1-10 of 14 results
1
2

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, August is the cheapest month in which you can book a flight from Chennai to St. Louis (average of $311). Flying from Chennai to St. Louis in March is currently the most expensive (average of $356). 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 July 29, 2025.
Peruse reviews from past customers who have flown with Japan Airlines, Emirates, and KLM 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.
Japan Airlines
8.3
Very good
1,535 reviews

Food

7.7

Overall

8.3

Boarding

8.4

Entertainment

7.8

Crew

8.7

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very good
1,535 reviews
Japan Airlines
8.3
Very good
1,535 reviews

Food

7.7

Overall

8.3

Boarding

8.4

Entertainment

7.8

Crew

8.7

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Emirates
8.1
Very good
3,295 reviews
Japan Airlines
8.3
Very good
1,535 reviews

Food

7.7

Overall

8.3

Boarding

8.4

Entertainment

7.8

Crew

8.7

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
KLM
7.8
Good
1,383 reviews
Japan Airlines
8.3
Very good
1,535 reviews

Food

7.7

Overall

8.3

Boarding

8.4

Entertainment

7.8

Crew

8.7

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Qatar Airways
7.4
Good
3,609 reviews
Japan Airlines
8.3
Very good
1,535 reviews

Food

7.7

Overall

8.3

Boarding

8.4

Entertainment

7.8

Crew

8.7

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
American Airlines
7.2
Good
10,000 reviews
Japan Airlines
8.3
Very good
1,535 reviews

Food

7.7

Overall

8.3

Boarding

8.4

Entertainment

7.8

Crew

8.7

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Roger,Jun 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

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.

  • What are the cheapest airlines flying from Chennai to St. Louis round-trip?

    Currently priced at $1,028, 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. Search Cheapflights for deals from Qatar Airways and Lufthansa - these airlines can fly you to your destination from $1,502 and $1,508, respectively. British Airways is currently priced 23% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Chennai to St. Louis one-way?

    The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $743. However, be on the lookout for offers from Lufthansa and Japan Airlines, as they are both options that can get you from Chennai to St. Louis for a low price.

  • 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, August is the cheapest month in which you can book a flight from Chennai to St. Louis (average of $311). Flying from Chennai to St. Louis in March is currently the most expensive (average of $356). 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
O'Fallon
Maryland Heights
Fairview Heights
Collinsville
Eureka
St. Peters
Glencoe
Alton
Chesterfield
Festus
Farmington

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Alternative routes for Chennai to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Chennai to St. Louis

Discover the top 2 airlines 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$992Average$1,156FlexibilityNo cancel feeOn-time70%
LufthansaCheapest$1,234Average$1,259FlexibilityNo cancel feeOn-time76%

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