$571 Cheap Flights from Chennai (MAA) to St. Louis (STL)

View $571 flight on Sun, Dec 7, 2025Opens in a new window

Popular airlines from Chennai International Airport (MAA) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Chennai to St. Louis (MAA-STL)

Prices were available within the past 7 days and start at $571 for one-way flights and $946 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

British Airways
Wed, Nov 26 - Tue, Mar 3
MAA
Chennai
STL
St. Louis
$946 Roundtrip, found 4 days ago
$946
Roundtrip
found 4 days ago
Select British Airways flight, departing Wed, Nov 26 from Chennai to St. Louis, returning Tue, Mar 3, priced at $946 found 4 days ago
British Airways
Thu, Nov 13 - Mon, Nov 17
MAA
Chennai
STL
St. Louis
$947 Roundtrip, found 6 days ago
$947
Roundtrip
found 6 days ago
Select British Airways flight, departing Thu, Nov 13 from Chennai to St. Louis, returning Mon, Nov 17, priced at $947 found 6 days ago
British Airways
Thu, Mar 5 - Mon, Aug 31
MAA
Chennai
STL
St. Louis
$958 Roundtrip, found 10 hours ago
$958
Roundtrip
found 10 hours ago
Select British Airways flight, departing Thu, Mar 5 from Chennai to St. Louis, returning Mon, Aug 31, priced at $958 found 10 hours ago
British Airways
Thu, Mar 5 - Sun, Aug 30
MAA
Chennai
STL
St. Louis
$960 Roundtrip, found 3 days ago
$960
Roundtrip
found 3 days ago
Select British Airways flight, departing Thu, Mar 5 from Chennai to St. Louis, returning Sun, Aug 30, priced at $960 found 3 days ago
British Airways
Tue, Mar 24 - Mon, Aug 31
MAA
Chennai
STL
St. Louis
$962 Roundtrip, found 6 days ago
$962
Roundtrip
found 6 days ago
Select British Airways flight, departing Tue, Mar 24 from Chennai to St. Louis, returning Mon, Aug 31, priced at $962 found 6 days ago
British Airways
Mon, Mar 30 - Sun, Sep 20
MAA
Chennai
STL
St. Louis
$1,041 Roundtrip, found 6 days ago
$1,041
Roundtrip
found 6 days ago
Select British Airways flight, departing Mon, Mar 30 from Chennai to St. Louis, returning Sun, Sep 20, priced at $1,041 found 6 days ago
Air India
Mon, Apr 13 - Tue, Apr 21
MAA
Chennai
STL
St. Louis
$1,220 Roundtrip, found 1 day ago
$1,220
Roundtrip
found 1 day ago
Select Air India flight, departing Mon, Apr 13 from Chennai to St. Louis, returning Tue, Apr 21, priced at $1,220 found 1 day ago
Lufthansa
Fri, Jan 23 - Tue, Feb 10
MAA
Chennai
STL
St. Louis
$1,256 Roundtrip, found 6 days ago
$1,256
Roundtrip
found 6 days ago
Select Lufthansa flight, departing Fri, Jan 23 from Chennai to St. Louis, returning Tue, Feb 10, priced at $1,256 found 6 days ago
Air Canada
Wed, Mar 11 - Wed, Aug 12
MAA
Chennai
STL
St. Louis
$1,275 Roundtrip, found 17 hours ago
$1,275
Roundtrip
found 17 hours ago
Select Air Canada flight, departing Wed, Mar 11 from Chennai to St. Louis, returning Wed, Aug 12, priced at $1,275 found 17 hours ago
Emirates
Tue, Mar 24 - Mon, Aug 31
MAA
Chennai
STL
St. Louis
$1,371 Roundtrip, found 6 days ago
$1,371
Roundtrip
found 6 days ago
Select Emirates flight, departing Tue, Mar 24 from Chennai to St. Louis, returning Mon, Aug 31, priced at $1,371 found 6 days ago

Frequently asked questions

How much does a flight from Chennai Intl. Airport (MAA) to Lambert-St. Louis Intl. Airport (STL) cost?
Secure a cheap one-way flight from $571 or cheap return flight from $946 from Chennai Intl. Airport (MAA) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Chennai Intl. Airport (MAA) to Lambert-St. Louis Intl. Airport (STL)?
The cheapest month to fly from MAA to STL is November, when demand is low. Off-peak season is generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Chennai Intl. Airport (MAA) to Lambert-St. Louis Intl. Airport (STL)?
Use the filters on Expedia to compare different airlines and find the cheapest carrier that'll fly you from MAA to STL. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Chennai Intl. Airport (MAA) to Lambert-St. Louis Intl. Airport (STL)?
There are no daily nonstop flights departing from Chennai Intl. Airport (MAA) to Lambert-St. Louis Intl. Airport (STL). But you can opt for flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from MAA to STL?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change depending on a range of factors, including the time of year and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Chennai Intl. Airport (MAA) to Lambert-St. Louis Intl. Airport (STL)?
To reach Lambert-St. Louis Intl. Airport (STL) on time, choose a flight that leaves Chennai Intl. Airport (MAA) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Chennai Intl. Airport (MAA) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Holding off until just before your departure to book a flight from MAA to STL generally means paying more. While it's possible to find some last-minute offers, there's no guarantee. Be flexible with your travel plans for a better chance of scoring a bargain.
Is it cheaper to book a MAA to STL flight and hotel package?
Securing a MAA to STL flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our impressive range of stays and then add activities, car rentals and flights to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Chennai Intl. Airport (MAA) to Lambert-St. Louis Intl. Airport (STL)?
Typically, it's possible to reschedule or cancel your MAA to STL flight. However, if it's been more than 24 hours since booking, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Chennai Intl.
Destination airport
Lambert-St. Louis Intl.
Airlines serving
Air Canada, American Airlines, British Airways, Cathay Pacific, Emirates, Lufthansa, Qatar Airways
Roundtrip price
$945
Distance
8810 mi

Book with confidence

Chennai to St. Louis Flights

The cheapest times to fly from Chennai to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Chennai to St. Louis are during the month of November. You can find some of the cheapest flights from Chennai to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Chennai to St. Louis

Sunday is one of the best days to book for cheap flights from Chennai to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Chennai to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Chennai to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $571 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Chennai to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Chennai to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Chennai to St. Louis Flights

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*Available to One Key members.