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

There are many flights that can get you from Chennai to St. Louis in 47h 56m. Fly via British Airways to get the fastest option. Chennai and St. Louis are separated by a distance of 14169 km.

In terms of precipitation, rainfall in St. Louis ranges from 56.0 - 119.0 inches per month. May is typically the wettest month, when rainfall can reach 119.0 mm. February is typically the driest time to visit St. Louis when rainfall is around 56.0 mm.

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 27.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 0.0 C).

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

When flying from Chennai to St. Louis, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 holiday 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.

₹ 79,222+ Cheap Flights from Chennai to St. Louis

Cheap flight deals from Chennai to St. Louis

Enter your travel dates to find the best prices.

Cheapest

Best

One-way

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 14 October 2026.

Fri 11/1221:50 -

2 stops31h 17m

Tue 5/110:00 -

2 stops34h 35m

Deal found 10/10₹ 110,168

Thu 10/1203:55 -

3 stops27h 33m

Tue 5/110:00 -

2 stops22h 20m

Deal found 10/10₹ 110,644

Thu 10/1207:35 -

2 stops26h 12m

Wed 6/114:38 -

2 stops27h 27m

Deal found 10/10₹ 115,309

Sat 12/1207:35 -

2 stops38h 47m

Tue 5/110:00 -

2 stops32h 05m

Deal found 10/10₹ 118,356

Wed 9/1203:55 -

3 stops27h 33m

Tue 5/115:59 -

2 stops40h 21m

Deal found 10/10₹ 119,785

Thu 10/1201:45 -

1 stop23h 30m

Wed 6/115:40 -

2 stops29h 30m

Deal found 10/10₹ 131,497

Wed 9/1201:45 -

2 stops32h 00m

Wed 6/115:40 -

1 stop20h 55m

Deal found 10/10₹ 137,114

Thu 10/1207:35 -

2 stops38h 47m

Mon 4/112:33 -

2 stops29h 32m

Deal found 10/10₹ 140,637

Thu 10/1201:45 -

1 stop23h 30m

Tue 5/113:17 -

2 stops23h 18m

Deal found 10/10₹ 152,445

Sat 12/1218:00 -

2 stops31h 15m

Wed 6/115:40 -

1 stop20h 55m

Deal found 10/10₹ 171,679

Thu 10/1201:45 -

1 stop23h 30m

Mon 4/113:25 -

2 stops23h 10m

Deal found 10/10₹ 172,821

Find flight deals from Chennai to St. Louis

Round-trip from	₹ 110,168
One-way from	₹ 79,222

Etihad Airways
11/12-5/1
4 total stops
65h 52m total
Chennai to St. Louis

Search Deals

Etihad Airways
6/1-31/12
2 total stops
39h 05m total
Chennai to St. Louis

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 6/1

09:55-13:30

2 stops39h 05m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 79,222

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Mon 11/1

12:40-23:36

3 stops46h 26m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 90,457

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Mon 11/1

09:55-17:48

2 stops43h 23m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 90,838

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Mon 28/12

02:00-00:41

3 stops58h 11m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 101,788

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Sun 27/12

01:45-23:38

2 stops33h 23m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 102,836

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Mon 28/12

03:15-22:42

2 stops30h 57m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 103,883

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Sun 10/1

03:15-22:34

2 stops30h 49m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 108,644

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Thu 10/12

03:55-19:58

3 stops27h 33m

Lambert-St Louis

Tue 5/1

10:00-19:50

2 stops22h 20m

₹ 110,644

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 6/1

10:20-23:36

3 stops48h 46m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 111,405

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 27/1

07:35-20:01

2 stops47h 56m

Lambert-St Louis

Sun 31/1

20:15-05:35

2 stops45h 50m

₹ 113,595

Flights are sorted by cheapest return flights first.

Deals found on 11/10

Showing 1-10 of 15 resultsSorted by cheapest first

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.

MAA-STL

Estimated return 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.

Related info for your journey

How long is the flight from Chennai to St. Louis?
There are many flights that can get you from Chennai to St. Louis in 47h 56m. Fly via British Airways to get the fastest option. Chennai and St. Louis are separated by a distance of 14169 km.
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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to United States

Flights by cabin class

Other flight options

Other flights from Chennai

Popular flights

Alternative routes for Chennai to St. Louis

Chennai to Kansas City flights

Fly with Cheapflights

How does Cheapflights help users find flights from Chennai to St. Louis?

Cheapflights helps you search for flights from Chennai to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Chennai to St. Louis?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Chennai to St. Louis.

Can Cheapflights find flights from Chennai to St. Louis with no change fees?

Certainly. Search results for flights to St. Louis from Chennai shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Chennai to St. Louis become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Chennai to St. Louis from ₹ 79,222

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Chennai to St. Louis

Cheapest flights from Chennai to St. LouisExplore 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 14 October 2026.

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 14 October 2026.

Best flights from Chennai to St. LouisDiscover carefully curated flight deals from Chennai to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

Discover carefully curated flight deals from Chennai to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

One-way flights from Chennai to St. LouisSearch for one-way flight options from Chennai to St. Louis. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

Search for one-way flight options from Chennai to St. Louis. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.

Find flight deals from Chennai to St. Louis

Round-trip from

One-way from

Cheapflights Fare Finder

Use the filters below to find and compare flights from Chennai to St. Louis that are best for you.

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.

Related info for your journey

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Chennai to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to St. Louis by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to United States

Book a non-stop flight to one of these other cities located in United States.

Search flights from Chennai to St. Louis by cabin class

Find flights from Chennai to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Chennai and St. Louis flights

Browse other Chennai and St. Louis flight options. Last updated on 14 October 2026.

Other flights from Chennai

Browse through other flights departing from Chennai. Flights are based on user searches made on Cheapflights and were last updated on 14 October 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Chennai to St. Louis?

Why should you use Cheapflights to find cheap flight tickets from Chennai to St. Louis?

Can Cheapflights find flights from Chennai to St. Louis with no change fees?

Can Cheapflights notify me if prices for flights from Chennai to St. Louis become cheaper?

100% Free

Book With Flexibility

Travel Smart

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 14 October 2026.

Best flights from Chennai to St. Louis
Discover carefully curated flight deals from Chennai to St. Louis that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.

One-way flights from Chennai to St. Louis
Search for one-way flight options from Chennai to St. Louis. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.