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

There are many flights that can get you from Chennai to St. Louis in 26h 38m. 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.

₹ 45,528+ 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

Last-minute

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 11 September 2026.

Mon 5/1004:05 -

2 stops27h 22m

Wed 17/307:29 -

2 stops25h 51m

Deal found 6/9₹ 98,597

Sat 10/1021:55 -

2 stops36h 34m

Sat 17/1007:29 -

2 stops32h 51m

Deal found 10/9₹ 100,697

Thu 1/1021:55 -

2 stops35h 17m

Wed 17/309:15 -

2 stops30h 50m

Deal found 6/9₹ 101,079

Thu 1/1021:55 -

2 stops30h 05m

Sat 23/105:00 -

2 stops34h 05m

Deal found 7/9₹ 101,174

Fri 23/1005:35 -

2 stops28h 43m

Wed 17/313:06 -

2 stops29h 59m

Deal found 6/9₹ 104,706

Wed 7/1005:35 -

2 stops27h 09m

Wed 17/313:36 -

2 stops29h 29m

Deal found 6/9₹ 106,233

Wed 23/910:15 -

2 stops44h 59m

Fri 22/111:25 -

2 stops33h 10m

Deal found 7/9₹ 106,996

Wed 30/905:35 -

2 stops26h 39m

Sat 23/113:58 -

2 stops28h 07m

Deal found 7/9₹ 111,769

Thu 24/905:35 -

2 stops26h 38m

Mon 28/917:18 -

2 stops47h 42m

Deal found 7/9₹ 112,246

Thu 24/905:35 -

2 stops26h 38m

Thu 21/117:37 -

2 stops24h 28m

Deal found 7/9₹ 112,723

Wed 30/905:35 -

2 stops26h 39m

Fri 22/117:37 -

2 stops48h 28m

Deal found 7/9₹ 112,914

Find flight deals from Chennai to St. Louis

Round-trip from	₹ 98,597
One-way from	₹ 45,528

Etihad Airways
5/10-17/3
4 total stops
53h 13m total
Chennai to St. Louis

Search Deals

13/10-31/12
2 total stops
48h 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

Tue 13/10

04:05-17:40

2 stops48h 05m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 45,528

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 14/10

21:55-17:40

2 stops54h 15m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 46,578

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Fri 16/10

09:50-21:21

2 stops46h 01m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 80,557

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 14/10

19:05-23:46

3 stops39h 11m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 92,107

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Sat 10/10

21:55-23:59

2 stops36h 34m

Lambert-St Louis

Sat 17/10

07:29-02:50

2 stops32h 51m

₹ 100,697

Fastest return journey

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Thu 15/10

01:55-13:25

1 stop22h 00m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 102,224

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 23/9

10:15-20:44

2 stops44h 59m

Lambert-St Louis

Fri 22/1

11:25-08:05

2 stops33h 10m

₹ 106,996

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Thu 24/9

05:35-21:43

2 stops26h 38m

Lambert-St Louis

Mon 28/9

17:18-03:30

2 stops47h 42m

₹ 112,246

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 21/10

05:35-19:30

1 stop24h 25m

Lambert-St Louis

Wed 31/12

00:00-11:30

Nonstop0h 00m

₹ 113,964

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 28/10

07:35-00:19

2 stops27h 14m

Lambert-St Louis

Sat 9/1

13:58-05:35

2 stops28h 07m

₹ 124,177

Flights are sorted by cheapest return flights first.

Deals found on 6/9

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 26h 38m. 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?

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.

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Cheap flights from Chennai to St. Louis from ₹ 45,528

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 13/10. 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

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 11 September 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 11 September 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 11 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 11 September 2026.

Last-minute flights from Chennai to St. LouisDiscover last-minute flight deals from Chennai to St. Louis. Data last updated 11 September 2026 and is based on user searches.

Discover last-minute flight deals from Chennai to St. Louis. Data last updated 11 September 2026 and is based on user searches.

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 11 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 11 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?

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Alternative routes for Chennai to St. Louis

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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

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Chennai and St. Louis flights

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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 11 September 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 11 September 2026.

Last-minute flights from Chennai to St. Louis
Discover last-minute flight deals from Chennai to St. Louis. Data last updated 11 September 2026 and is based on user searches.

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 11 September 2026.