Which airports can I use when flying from St. Louis to Chennai?

Flights from St. Louis to Chennai usually depart from Lambert-St Louis (STL) and arrive at Chennai (MAA).

What cabin classes can I book on flights from St. Louis to Chennai?

Three cabin classes are available on flights from St. Louis to Chennai: • Economy Class • Premium Economy Class • Business Class

Which airports do connecting flights from St. Louis to Chennai pass through?

Most connecting flights from St. Louis to Chennai pass through Frankfurt am Main (FRA), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.

Can I save money by using flexible dates for flights from St. Louis to Chennai?

Yes. Being flexible with your travel dates can save you up to 49% on the St. Louis to Chennai route. Tuesday is the cheapest departure day at $1,022 round-trip on average, while Sunday is the most expensive at $1,972, a difference of $950. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

How expensive are last-minute St. Louis to Chennai flights?

Last-minute fares on this route - booked within 2 weeks of departure - run 33% above the route average of $1,327. Book 3 weeks before departure for the lowest fares.

How long is a flight from St. Louis to Chennai?

A nonstop flight from St. Louis to Chennai takes 0h 00m, covering 8,804 miles.

Do I need a passport to fly from St. Louis to Chennai?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from St. Louis to Chennai changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,022 to $9,901. That means the highest observed fare was about 10x higher than the lowest one.

How are flight prices from St. Louis to Chennai looking right now?

One-way fares from St. Louis to Chennai are currently higher than usual. Average one-way flight prices are about $2,840, which is 268% above the typical average for this route.

What is the time difference between St. Louis and Chennai?

Chennai is 10 hours ahead of St. Louis (India Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.

How much should I expect to pay for a St. Louis to Chennai flight?

Round-trip flights from St. Louis to Chennai range from $1,107 to $1,557, with an average of $1,327 over the past 12 months. Anything below $1,107 counts as a good deal.

What is the cheapest airline to fly from St. Louis to Chennai?

Qatar Airways ($1,143) and Lufthansa ($1,445) are the cheapest airlines to fly round-trip from St. Louis to Chennai according to KAYAK data over the last 5 days.

What is the cheapest layover airport when flying from St. Louis to Chennai?

Flights via Frankfurt am Main (FRA) offer the most affordable fares, with an average round-trip price of $1,710. Based on KAYAK data over the past 3 months.

When flying from St. Louis to Chennai which airport offers the shortest layover?

Frankfurt am Main (FRA) had the shortest average connection time for St. Louis to Chennai layovers at 751 minutes over the past 3 months.

$663 CHEAP FLIGHTS from St. Louis to Chennai (STL - MAA)

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Cheapest round-trip

$1,022

Typical prices: $1,107-$1,557

Multiple Airlines

Mon 10/1Sun 10/7

STL - MAA • 2 stops

Cheapest one-way

$663

Typical prices: $732-$909

Etihad Airways

Mon 11/5

STL - MAA • 2 stops

Nonstop flights

Not available

There are currently no direct flights between St. Louis and Chennai. You'll need to take a connecting flight to reach the destination.

Insights

When to book

3 weeks

in advance

Our data shows that travelers who book at least 3 weeks in advance save around 44% compared to booking last minute.

Insights

When to travel

March

Cheapest • 28% price drop

January

Most popular

Good to know

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Chennai!

Flight Deals

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

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from St. Louis to Chennai

Fri, Feb 5 - Sun, Feb 21

7:25 am - 7:50 pmSTL Lambert-St Louis-MAA Chennai

24h 55m2 stops Chicago O'Hare Intl Abu Dhabi Zayed Intl

9:50 pm - 6:08 pmMAA Chennai-STL Lambert-St Louis

31h 48m2 stops Abu Dhabi Zayed Intl Charlotte Douglas

$1,022Multiple Airlines

Sat, Feb 6 - Sun, Feb 21

8:13 am - 2:35 amSTL Lambert-St Louis-MAA Chennai

30h 52m2 stops Charlotte Douglas Abu Dhabi Zayed Intl

9:50 pm - 7:30 pmMAA Chennai-STL Lambert-St Louis

33h 10m2 stops Abu Dhabi Zayed Intl Charlotte Douglas

$1,022Multiple Airlines

Wed, Sep 30 - Wed, Oct 21

7:21 am - 2:50 amSTL Lambert-St Louis-MAA Chennai

32h 59m2 stops Chicago O'Hare Intl Abu Dhabi Zayed Intl

9:55 pm - 8:57 pmMAA Chennai-STL Lambert-St Louis

33h 32m2 stops Abu Dhabi Zayed Intl Chicago O'Hare Intl

$1,022Multiple Airlines

Sat, Feb 6 - Sun, Feb 21

5:00 am - 8:05 amSTL Lambert-St Louis-MAA Chennai

39h 35m2 stops Chicago O'Hare Intl Abu Dhabi Zayed Intl

9:50 pm - 6:08 pmMAA Chennai-STL Lambert-St Louis

31h 48m2 stops Abu Dhabi Zayed Intl Charlotte Douglas

$1,022Multiple Airlines

Tue, Nov 3 - Tue, Nov 17

8:29 am - 2:30 amSTL Lambert-St Louis-MAA Chennai

30h 31m2 stops Dallas/Fort Worth Doha Hamad Intl

3:15 am - 6:17 pmMAA Chennai-STL Lambert-St Louis

26h 32m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,143Qatar Airways

Mon, Nov 2 - Sun, Nov 8

7:25 am - 2:30 amSTL Lambert-St Louis-MAA Chennai

31h 35m2 stops Chicago O'Hare Intl Doha Hamad Intl

4:05 am - 6:17 pmMAA Chennai-STL Lambert-St Louis

25h 42m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,143Qatar Airways

Thu, Feb 4 - Sun, Feb 21

11:25 am - 2:30 amSTL Lambert-St Louis-MAA Chennai

27h 35m2 stops Chicago O'Hare Intl Doha Hamad Intl

3:15 am - 9:08 pmMAA Chennai-STL Lambert-St Louis

29h 23m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,151Qatar Airways

Tue, Oct 13 - Tue, Oct 20

12:20 pm - 8:55 amSTL Lambert-St Louis-MAA Chennai

34h 05m3 stops Newark Munich Franz Josef Strauss Mumbai Chhatrapati Shivaji Intl

5:00 pm - 3:43 pmMAA Chennai-STL Lambert-St Louis

33h 13m3 stops Mumbai Chhatrapati Shivaji Intl Munich Franz Josef Strauss Chicago O'Hare Intl

$1,445Lufthansa

Tue, Oct 13 - Thu, Oct 22

3:30 pm - 8:55 amSTL Lambert-St Louis-MAA Chennai

30h 55m2 stops Frankfurt am Main Mumbai Chhatrapati Shivaji Intl

5:00 pm - 3:43 pmMAA Chennai-STL Lambert-St Louis

33h 13m3 stops Mumbai Chhatrapati Shivaji Intl Munich Franz Josef Strauss Chicago O'Hare Intl

$1,452Lufthansa

Tue, Oct 13 - Tue, Oct 20

1:29 pm - 8:55 amSTL Lambert-St Louis-MAA Chennai

32h 56m3 stops Chicago O'Hare Intl Munich Franz Josef Strauss Mumbai Chhatrapati Shivaji Intl

9:05 pm - 1:25 pmMAA Chennai-STL Lambert-St Louis

26h 50m2 stops Mumbai Chhatrapati Shivaji Intl Frankfurt am Main

$1,458Lufthansa

Recent last minute flight deals from St. Louis to Chennai

Wed, Sep 23 - Wed, Sep 30

6:00 am - 3:10 amSTL Lambert-St Louis-MAA Chennai

34h 40m2 stops New York LaGuardia Abu Dhabi Zayed Intl

4:05 am - 8:44 pmMAA Chennai-STL Lambert-St Louis

27h 09m2 stops Abu Dhabi Zayed Intl Chicago O'Hare Intl

$1,022Multiple Airlines

Fri, Sep 25 - Mon, Oct 5

7:21 am - 3:10 amSTL Lambert-St Louis-MAA Chennai

33h 19m2 stops Chicago O'Hare Intl Abu Dhabi Zayed Intl

4:05 am - 8:57 pmMAA Chennai-STL Lambert-St Louis

27h 22m2 stops Abu Dhabi Zayed Intl Chicago O'Hare Intl

$1,022Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

6:00 am - 3:10 amSTL Lambert-St Louis-MAA Chennai

34h 40m2 stops New York LaGuardia Abu Dhabi Zayed Intl

4:05 am - 8:44 pmMAA Chennai-STL Lambert-St Louis

27h 09m2 stops Abu Dhabi Zayed Intl Chicago O'Hare Intl

$1,022Multiple Airlines

Thu, Sep 24 - Wed, Sep 30

11:01 am - 3:10 amSTL Lambert-St Louis-MAA Chennai

29h 39m2 stops Chicago O'Hare Intl Abu Dhabi Zayed Intl

4:05 am - 12:27 amMAA Chennai-STL Lambert-St Louis

30h 52m2 stops Abu Dhabi Zayed Intl Chicago O'Hare Intl

$1,022Multiple Airlines

Thu, Sep 24 - Mon, Sep 28

11:09 am - 2:40 amSTL Lambert-St Louis-MAA Chennai

29h 01m2 stops Philadelphia Doha Hamad Intl

4:05 am - 8:44 pmMAA Chennai-STL Lambert-St Louis

27h 09m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,218Qatar Airways

Thu, Sep 24 - Mon, Sep 28

8:30 am - 2:50 amSTL Lambert-St Louis-MAA Chennai

31h 50m2 stops Dallas/Fort Worth Doha Hamad Intl

4:20 am - 12:27 amMAA Chennai-STL Lambert-St Louis

30h 37m2 stops Doha Hamad Intl Chicago O'Hare Intl

$1,218Qatar Airways

Thu, Sep 24 - Wed, Sep 30

1:29 pm - 8:55 amSTL Lambert-St Louis-MAA Chennai

32h 56m3 stops Chicago O'Hare Intl Frankfurt am Main Mumbai Chhatrapati Shivaji Intl

5:00 pm - 3:43 pmMAA Chennai-STL Lambert-St Louis

33h 13m3 stops Mumbai Chhatrapati Shivaji Intl Munich Franz Josef Strauss Chicago O'Hare Intl

$1,713Lufthansa

Fri, Sep 25 - Sun, Oct 4

3:30 pm - 8:55 amSTL Lambert-St Louis-MAA Chennai

30h 55m2 stops Frankfurt am Main Mumbai Chhatrapati Shivaji Intl

1:55 am - 1:25 pmMAA Chennai-STL Lambert-St Louis

22h 00m1 stop Frankfurt am Main

$1,714Lufthansa

Wed, Sep 23 - Tue, Sep 29

1:00 pm - 12:10 amSTL Lambert-St Louis-MAA Chennai

24h 40m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

1:55 am - 1:25 pmMAA Chennai-STL Lambert-St Louis

22h 00m1 stop Frankfurt am Main

$1,753Lufthansa

Wed, Sep 23 - Tue, Sep 29

1:00 pm - 12:10 amSTL Lambert-St Louis-MAA Chennai

24h 40m2 stops Washington, D.C. Dulles Intl Frankfurt am Main

1:55 am - 1:25 pmMAA Chennai-STL Lambert-St Louis

22h 00m1 stop Frankfurt am Main

$1,756Lufthansa

Booking Insights

Price, demand and travel trends for St. Louis to Chennai flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from St. Louis to Chennai with more confidence.

Prices

Airlines

Layovers

What's the cheapest day of the week to fly from St. Louis to Chennai?

Tuesday is the cheapest day of the week to fly from St. Louis to Chennai, it is 23% cheaper than the average day. Sunday is the most expensive day with flight prices 48% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from St. Louis to Chennai?

•March is the cheapest month to fly from St. Louis to Chennai at $953 round-trip.
•December ($1,922) and August ($1,566) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 101% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from St. Louis to Chennai the cheapest?

Flights from St. Louis to Chennai are cheapest 3 weeks before departure. Booking in this window typically costs about 44% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Find deals

Low season	September
High season	January
Cheapest flight	$663

Best time to beat the crowds with an average 23% drop in price.

Most popular time to fly with an average 1% increase in price.

Flight from St. Louis to Chennai

When to book flights from St. Louis to Chennai

Are your dates flexible? Find out the best times to travel from St. Louis to Chennai based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

Which airports can I use when flying from St. Louis to Chennai?
Flights from St. Louis to Chennai usually depart from Lambert-St Louis (STL) and arrive at Chennai (MAA).
What cabin classes can I book on flights from St. Louis to Chennai?
Three cabin classes are available on flights from St. Louis to Chennai:

• Economy Class
• Premium Economy Class
• Business Class
Which airports do connecting flights from St. Louis to Chennai pass through?
Most connecting flights from St. Louis to Chennai pass through Frankfurt am Main (FRA), which handles 100% of one-stop traffic on this route. Other layover airports each see under 5%.
Can I save money by using flexible dates for flights from St. Louis to Chennai?
Yes. Being flexible with your travel dates can save you up to 49% on the St. Louis to Chennai route. Tuesday is the cheapest departure day at $1,022 round-trip on average, while Sunday is the most expensive at $1,972, a difference of $950. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.
How expensive are last-minute St. Louis to Chennai flights?
Last-minute fares on this route - booked within 2 weeks of departure - run 33% above the route average of $1,327. Book 3 weeks before departure for the lowest fares.
How long is a flight from St. Louis to Chennai?
A nonstop flight from St. Louis to Chennai takes 0h 00m, covering 8,804 miles.
Do I need a passport to fly from St. Louis to Chennai?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from St. Louis to Chennai changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $1,022 to $9,901. That means the highest observed fare was about 10x higher than the lowest one.
How are flight prices from St. Louis to Chennai looking right now?
One-way fares from St. Louis to Chennai are currently higher than usual. Average one-way flight prices are about $2,840, which is 268% above the typical average for this route.
What is the time difference between St. Louis and Chennai?
Chennai is 10 hours ahead of St. Louis (India Time vs Central Time). Plan for the time shift when scheduling connections or first-day activities.
How much should I expect to pay for a St. Louis to Chennai flight?
Round-trip flights from St. Louis to Chennai range from $1,107 to $1,557, with an average of $1,327 over the past 12 months. Anything below $1,107 counts as a good deal.

If your dates can be flexible, aim for a Tuesday departure instead of Sunday. On this route, Tuesday flights average $1,022 - about $950 less than Sunday (48% savings) based on the last 12 months.
For the best chance at a low fare, aim to book around 3 weeks before you fly. On this route, that window historically saves about 44% versus last-minute pricing (KAYAK booking data, last 12 months).
If you can choose when to travel, plan your St. Louis to Chennai trip for March. Fares historically average $953 round-trip in that month - typically $969 less than the most expensive month, which is December (based on the last 12 months).
If you're arriving late at night and need somewhere to stay, check out these hotels close to Chennai Airport.
- Radisson Blu Hotel And Suites GRT Chennai
- Trident Chennai
- Hotel Mount Manor

More options for your flight from St. Louis to Chennai

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STL - MAA

$663 Find Cheap Flights from St. Louis to Chennai - Compare and Save

Everything you should know

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

Recent round-trip flight deals from St. Louis to Chennai

Recent one-way flight deals from St. Louis to Chennai

Recent last minute flight deals from St. Louis to Chennai

Price, demand and travel trends for St. Louis to Chennai flights

What's the cheapest day of the week to fly from St. Louis to Chennai?

What is the cheapest month to fly from St. Louis to Chennai?

When are prices from St. Louis to Chennai the cheapest?

What is the cheapest airline to fly from St. Louis to Chennai?

What is the cheapest layover airport when flying from St. Louis to Chennai?

When flying from St. Louis to Chennai which airport offers the shortest layover?

Key details for St. Louis to Chennai flights

Low season

High season

Cheapest flight

When to book flights from St. Louis to Chennai

Your St. Louis to Chennai flight questions, answered

Your guide to booking St. Louis to Chennai flights

More options for your flight from St. Louis to Chennai

Complete your trip to Chennai with a hotel stay or car rental

Information on your arrival and departure airports

Cabin class types available on flights from St. Louis to Chennai

Find direct flights to and from St. Louis and Chennai

Flights from domestic origins to Chennai

Flights to other popular destinations

Find deals for your return flight