$578 Cheap Flights from St. Louis (STL) to Chennai (MAA)

View $578 flight on Wed, Aug 13, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $578 for one-way flights and $1,065 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, Oct 16 - Thu, Oct 30
STL
St. Louis
MAA
Chennai
$1,065 Roundtrip, found 5 hours ago
$1,065
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Oct 16 from St. Louis to Chennai, returning Thu, Oct 30, priced at $1,065 found 5 hours ago
American Airlines
Fri, Jan 16 - Tue, Jan 27
STL
St. Louis
MAA
Chennai
$1,066 Roundtrip, found 23 hours ago
$1,066
Roundtrip
found 23 hours ago
Select American Airlines flight, departing Fri, Jan 16 from St. Louis to Chennai, returning Tue, Jan 27, priced at $1,066 found 23 hours ago
American Airlines
Thu, Oct 16 - Thu, Oct 30
STL
St. Louis
MAA
Chennai
$1,070 Roundtrip, found 5 hours ago
$1,070
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Oct 16 from St. Louis to Chennai, returning Thu, Oct 30, priced at $1,070 found 5 hours ago
American Airlines
Thu, Oct 16 - Thu, Oct 30
STL
St. Louis
MAA
Chennai
$1,072 Roundtrip, found 5 hours ago
$1,072
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Thu, Oct 16 from St. Louis to Chennai, returning Thu, Oct 30, priced at $1,072 found 5 hours ago
American Airlines
Sat, Oct 4 - Sat, Oct 25
STL
St. Louis
MAA
Chennai
$1,076 Roundtrip, found 18 hours ago
$1,076
Roundtrip
found 18 hours ago
Select American Airlines flight, departing Sat, Oct 4 from St. Louis to Chennai, returning Sat, Oct 25, priced at $1,076 found 18 hours ago
American Airlines
Sat, Oct 18 - Sat, Nov 1
STL
St. Louis
MAA
Chennai
$1,078 Roundtrip, found 5 hours ago
$1,078
Roundtrip
found 5 hours ago
Select American Airlines flight, departing Sat, Oct 18 from St. Louis to Chennai, returning Sat, Nov 1, priced at $1,078 found 5 hours ago
Qatar Airways
Thu, Feb 5 - Mon, Feb 23
STL
St. Louis
MAA
Chennai
$1,088 Roundtrip, found 3 days ago
$1,088
Roundtrip
found 3 days ago
Select Qatar Airways flight, departing Thu, Feb 5 from St. Louis to Chennai, returning Mon, Feb 23, priced at $1,088 found 3 days ago
Cathay Pacific
Sun, Nov 9 - Thu, Nov 13
STL
St. Louis
MAA
Chennai
$1,191 Roundtrip, found 3 hours ago
$1,191
Roundtrip
found 3 hours ago
Select Cathay Pacific flight, departing Sun, Nov 9 from St. Louis to Chennai, returning Thu, Nov 13, priced at $1,191 found 3 hours ago
Air Canada
Wed, Sep 3 - Wed, Sep 24
STL
St. Louis
MAA
Chennai
$1,243 Roundtrip, found 6 days ago
$1,243
Roundtrip
found 6 days ago
Select Air Canada flight, departing Wed, Sep 3 from St. Louis to Chennai, returning Wed, Sep 24, priced at $1,243 found 6 days ago
Lufthansa
Mon, Sep 1 - Wed, Sep 17
STL
St. Louis
MAA
Chennai
$1,245 Roundtrip, found 1 day ago
$1,245
Roundtrip
found 1 day ago
Select Lufthansa flight, departing Mon, Sep 1 from St. Louis to Chennai, returning Wed, Sep 17, priced at $1,245 found 1 day ago

Alternative airports near Chennai

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Chennai Intl. MAA. Cheapest and Closest option available. Average driving time to city center is 9 minutes. Flights from $1,110
MAA
Chennai Intl.
CheapestClosest
Average driving time to city center9 min
Flights from $1,110
Flights from St. Louis (STL) to Chennai (MAA)
Origin airport
Lambert-St. Louis Intl.
Destination airport
Chennai Intl.
Airlines serving
Air Canada, American Airlines, British Airways, Cathay Pacific, Emirates, Lufthansa, Qatar Airways
Roundtrip price
$1,064
Distance
8810 mi

St. Louis to Chennai Flights

The cheapest times to fly from St. Louis to Chennai

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 St. Louis to Chennai are during the month of October. You can find some of the cheapest flights from St. Louis to Chennai with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from St. Louis to Chennai: 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 St. Louis to Chennai

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 St. Louis to Chennai in 2025. You can also book with separate airlines for your outbound and return journeys, from $578 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 St. Louis to Chennai 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 St. Louis to Chennai 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.

 

Frequently asked questions

How much does a flight from Lambert-St. Louis Intl. Airport (STL) to Chennai Intl. Airport (MAA) cost?
Snag a cheap one-way flight from $578 or cheap return flight from $1,065 from Lambert-St. Louis Intl. Airport (STL) to Chennai Intl. Airport (MAA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Lambert-St. Louis Intl. Airport (STL) to Chennai Intl. Airport (MAA)?
The cheapest month to fly from STL to MAA is October, when there's less demand. Off-peak season is typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Lambert-St. Louis Intl. Airport (STL) to Chennai Intl. Airport (MAA)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest STL to MAA flight.
How many flights per day from Lambert-St. Louis Intl. Airport (STL) to Chennai Intl. Airport (MAA)?
Nonstop flights from Lambert-St. Louis Intl. Airport (STL) to Chennai Intl. Airport (MAA) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your dates and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STL to MAA?
You'll typically find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can vary from season to season and during public holidays or peak travel times.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Lambert-St. Louis Intl. Airport (STL) to Chennai Intl. Airport (MAA)?
To avoid potential delays on the Lambert-St. Louis Intl. Airport (STL) to Chennai Intl. Airport (MAA) route, travel before 3 PM. Later departures have a 22% higher chance of cancellation.**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 Lambert-St. Louis Intl. Airport (STL) to Chennai Intl. Airport (MAA) last-minute?
Holding off until right before your break to book a ticket from STL to MAA generally means paying more. While you may find some last-minute discounts, they're not always guaranteed. Allow some flexibility in your schedule for a better chance of landing a bargain.
Is it cheaper to book a STL to MAA flight and hotel package?
You can save money by securing a STL to MAA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. After choosing your ideal accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Lambert-St. Louis Intl. Airport (STL) to Chennai Intl. Airport (MAA)?
You can usually cancel or reschedule your STL to MAA flight. However, if the booking was made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find further details on our Customer Service portal.

Explore a world of travel with Expedia

*Available to One Key members.