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.

₹ 78,365+ Cheap Flights from Chennai to St. Louis

Cheap flight deals from Chennai to St. Louis

Enter your travel dates to find the best prices.

Best

One-way

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 30 September 2026.

Wed 27/107:35 -

2 stops47h 56m

Sun 31/120:15 -

2 stops45h 50m

Deal found 29/9₹ 114,527

Find flight deals from Chennai to St. Louis

Round-trip from	₹ 114,527
One-way from	₹ 78,365

British Airways
27/1-31/1
4 total stops
93h 46m total
Chennai to St. Louis

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Etihad Airways
27/10-31/12
2 total stops
40h 04m total
Chennai to St. Louis

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Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Tue 27/10

03:55-09:29

2 stops40h 04m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 78,365

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Tue 10/11

03:15-22:15

2 stops30h 30m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 82,873

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 28/10

18:45-23:59

3 stops39h 44m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 93,233

Fastest return journey

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Tue 10/11

01:45-13:45

1 stop23h 30m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 95,439

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 11/11

19:45-23:59

3 stops39h 44m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 101,386

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

₹ 114,527

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Tue 27/10

01:45-14:45

1 stop23h 30m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 127,763

Flights are sorted by cheapest return flights first.

Deals found on 28/9

Sorted 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.

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

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Cheap flights from Chennai to St. Louis from ₹ 78,365

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 27/10. 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

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 30 September 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 30 September 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 30 September 2026.

Search for one-way flight options from Chennai to St. Louis. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

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

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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

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Alternative routes for Chennai to St. Louis

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Complete your trip

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Direct flights to United States

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Chennai and St. Louis flights

Browse other Chennai and St. Louis flight options. Last updated on 30 September 2026.

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

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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?

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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 30 September 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 30 September 2026.