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$741+ Cheap flights from St. Louis (STL) to Chennai (MAA)

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 12/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — MAA
Jun 26 — Jul 31
Thu 6/26
Thu 7/3
1 adult, Economy
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Cheapflights Tip: The best prices from Lambert-St Louis to Chennai are usually found in October or September, booked 8 days in advance, depart on a Monday or Wednesday and return on a Tuesday

Cheap flight deals from St. Louis to Chennai

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Chennai (MAA). 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 June 21, 2025.

Round-trip from

$1,199
(Indian Eagle)

One-way from

$741
(FlightHub)

Popular in

December

Cheapest in

October

Average price

$1,680
From Lambert-St Louis to Chennai
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One-way flight from Lambert-St Louis to Chennai
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Highest demand for flights based on searches. 1% potential increase in price ($27 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from St. Louis to Chennai

Cheapest flights from St. Louis to Chennai
Explore the most affordable flight options available from St. Louis to Chennai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 21, 2025.

This Indian Eagle deal was found by Cheapflights users on 6/19. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:25 pmSTL - MAA
2 stops25h 15mLufthansa
Thu 10/231:55 amMAA - STL
1 stop22h 05mLufthansa
Deal found 6/19$1,199
This Indian Eagle deal was found by Cheapflights users on 6/19. 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 Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/37:23 amSTL - MAA
2 stops32h 57mQatar Airways
Fri 10/244:20 amMAA - STL
2 stops28h 44mQatar Airways
Deal found 6/19$1,212
This Justfly.com deal was found by Cheapflights users on 6/19. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/309:15 amSTL - MAA
2 stops28h 25mMultiple Airlines
Sat 8/308:40 pmMAA - STL
2 stops27h 20mMultiple Airlines
Deal found 6/19$1,249
This Air Canada deal was found by Cheapflights users on 6/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/204:05 pmSTL - MAA
2 stops45h 35mAir Canada
Tue 9/231:55 amMAA - STL
2 stops28h 32mAir Canada
Deal found 6/20$1,288
This British Airways deal was found by Cheapflights users on 6/20. 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.
Mon 12/155:55 pmSTL - MAA
2 stops24h 10mBritish Airways
Wed 1/147:35 amMAA - STL
2 stops49h 44mBritish Airways
Deal found 6/20$1,708
This AranGrant deal was found by Cheapflights users on 6/20. 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 AranGrant is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/195:52 pmSTL - MAA
2 stops43h 53mCathay Pacific
Fri 8/291:30 amMAA - STL
2 stops32h 14mCathay Pacific
Deal found 6/20$5,667

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated June 21, 2025.
Use the filters below to find and compare flights from St. Louis to Chennai that are best for you.

Fly from

St. Louis

Fly to

Chennai

Route

Depart

Return

Price

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 10/3

12:25 pm-12:10 am

2 stops25h 15m

Chennai

Thu 10/23

1:55 am-1:30 pm

1 stop22h 05m

$1,199

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 10/3

7:23 am-2:50 am

2 stops32h 57m

Chennai

Fri 10/24

4:20 am-10:34 pm

2 stops28h 44m

$1,212

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Wed 7/30

9:15 am-12:10 am

2 stops28h 25m

Chennai

Sat 8/30

8:40 pm-1:30 pm

2 stops27h 20m

$1,249

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Sat 9/20

4:05 pm-12:10 am

2 stops45h 35m

Chennai

Tue 9/23

1:55 am-7:57 pm

2 stops28h 32m

$1,288

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 12/15

5:55 pm-5:35 am

2 stops24h 10m

Chennai

Wed 1/14

7:35 am-9:49 pm

2 stops49h 44m

$1,708

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Tue 8/19

5:52 pm-12:15 am

2 stops43h 53m

Chennai

Fri 8/29

1:30 am-11:14 pm

2 stops32h 14m

$5,667

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 12/1

6:43 am-9:10 am

2 stops38h 57m

$741

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Mon 12/1

4:15 pm-9:10 am

3 stops29h 25m

$871

St. LouisChennai

STL - MAA

STLMAA

Lambert-St Louis

Fri 6/27

3:30 pm-12:10 am

1 stop22h 10m

$1,993

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

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

Have a flexible travel schedule? Discover the best time to fly to Chennai from St. Louis 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 St. Louis to Chennai

How far ahead should I book a flight from St. Louis to Chennai?

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Chennai. Price data was last updated on June 13, 2025.

Booking 7 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Chennai. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from St. Louis to Chennai (average of $943). Flying from St. Louis to Chennai in December is currently the most expensive (average of $1,531). 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.

What is the cheapest time of day to fly from STL to MAA?

Find hourly flight availability from St. Louis to Chennai. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 21, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 30% on flights from St. Louis to Chennai by exploring options for tickets in the morning.

Rainfall in Chennai by month

Plan your trip to Chennai by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chennai ranges from 0.4 - 13.0 inches per month. November is typically the wettest month, when rainfall can reach 13.0 in. February is typically the driest time to visit Chennai when rainfall is around 0.4 in.

Temperature in Chennai by month

Plan your trip to Chennai by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chennai, use this chart to help with planning. For those seeking warmer temperatures, May is the ideal time of year to visit, when temperatures reach an average of 91.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Chennai

Get insights into the airlines that provide service to Chennai. 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 Chennai. Reviews last updated June 21, 2025.
Cathay Pacific
7.6
Good
897 reviews

Crew

8.0

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Boarding

7.9

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional
Cathay Pacific
7.6
Good
897 reviews
Cathay Pacific
7.6
Good
897 reviews

Crew

8.0

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Boarding

7.9

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional
Qatar Airways
7.4
Good
3,597 reviews
Cathay Pacific
7.6
Good
897 reviews

Crew

8.0

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Boarding

7.9

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional
Air Canada
7.1
Good
9,588 reviews
Cathay Pacific
7.6
Good
897 reviews

Crew

8.0

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Boarding

7.9

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional
Lufthansa
6.8
Okay
7,178 reviews
Cathay Pacific
7.6
Good
897 reviews

Crew

8.0

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Boarding

7.9

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional
British Airways
6.6
Okay
7,051 reviews
Cathay Pacific
7.6
Good
897 reviews

Crew

8.0

Entertainment

7.8

Comfort

7.6

Food

7.3

Overall

7.6

Boarding

7.9

Reviews

1 / 20
6.0
Good

Steve,Jun 2025

DFW - HKG

Very rude stewardess lied about the food then argued about it very unprofessional

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Chennai. 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 St. Louis to Chennai round-trip?

    Lufthansa, at $1,199, was found to be the cheapest airline from St. Louis to Chennai.Alternate airlines to your destination round-trip include Qatar Airways and Air Canada. These flights start at 16% lower than the current average price 3 months from now.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Chennai 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 St. Louis to Chennai?

    Currently, September is the cheapest month in which you can book a flight from St. Louis to Chennai (average of $943). Flying from St. Louis to Chennai in December is currently the most expensive (average of $1,531). 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
Mahabalipuram
Vellore

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for St. Louis to Chennai

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Chennai flights

Top 3 airlines flying from St. Louis to Chennai

Discover the top 3 airlines that operate flights from St. Louis to Chennai. 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 June 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
EmiratesCheapest$1,129Average$1,242FlexibilityNo cancel feeOn-time75%
Qatar AirwaysCheapest$1,172Average$1,545FlexibilityNo cancel feeOn-time68%
LufthansaCheapest$1,187Average$1,528FlexibilityNo cancel feeOn-time76%

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