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Cheap flights from Chennai to St. Louis from ₹ 79,261

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/8. Fares are subject to change and may not be available on all flights or dates of travel.
MAA — STL
15 Jul — 22 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Chennai to St. Louis

Enter your travel dates to find the best prices.

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 15 June 2026.

Fri 23/1005:35
MAA
-
STL
2 stops28h 36m
British Airways
Tue 27/1009:35
STL
-
MAA
2 stops57h 30m
British Airways
Deal found 12/6₹ 107,074
Tue 16/605:35
MAA
-
STL
2 stops28h 54m
British Airways
Tue 11/809:32
STL
-
MAA
2 stops31h 28m
British Airways
Deal found 12/6₹ 129,950
Wed 17/604:20
MAA
-
STL
2 stops29h 07m
Qatar Airways
Wed 14/1009:35
STL
-
MAA
2 stops30h 35m
Qatar Airways
Deal found 12/6₹ 131,279
Wed 17/603:55
MAA
-
STL
2 stops29h 32m
Qatar Airways
Tue 11/813:25
STL
-
MAA
2 stops26h 55m
Qatar Airways
Deal found 11/6₹ 131,564

Find flight deals from Chennai to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Chennai (MAA) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 15 June 2026.

Round-trip from

₹ 107,074

One-way from

₹ 79,261
British Airways
  • British Airways
  • 23/10-27/10
  • 4 total stops
  • 86h 06m total
  • Chennai to St. Louis
Search Deals
9/8
  • 9/8
  • 3 total stops
  • 49h 37m total
  • Chennai to St. Louis
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Chennai to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 15 June 2026.
Use the filters below to find and compare flights from Chennai to St. Louis that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 23/10

05:35-23:41

2 stops28h 36m

Lambert-St Louis

Tue 27/10

09:35-05:35

2 stops57h 30m

₹ 107,074

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 29/7

04:20-19:21

2 stops25h 31m

Lambert-St Louis

Wed 5/8

08:36-02:50

2 stops31h 44m

₹ 140,866

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 26/7

21:05-13:25

2 stops26h 50m

Lambert-St Louis

Sun 2/8

08:43-08:55

3 stops37h 42m

₹ 162,414
Fastest return journey

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 25/6

18:00-15:46

3 stops32h 16m

Lambert-St Louis

Mon 29/6

13:13-00:10

2 stops24h 27m

₹ 200,193
Cheapest one-way

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 9/8

02:30-17:37

3 stops49h 37m

₹ 79,261

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 28/6

23:45-17:30

3 stops52h 15m

₹ 81,444

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 9/7

03:55-21:48

2 stops28h 23m

₹ 87,519

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 9/7

03:20-13:52

3 stops45h 02m

₹ 97,771

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 11/8

21:55-12:54

2 stops25h 29m

₹ 105,080
Fastest single journey

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 27/6

01:55-13:25

1 stop22h 00m

₹ 141,341

Flights are sorted by cheapest return flights first.

Deals found on 11/6

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

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.
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.

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated 15 June 2026.
See what other customers who have flown with Lufthansa from Chennai to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Lufthansa
6.8
Okay
8,061 reviews
Check prices

Food

6.3

Boarding

7.0

Crew

7.6

Entertainment

6.4

Overall

6.8

Comfort

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines
Lufthansa
6.8
Okay
8,061 reviews
Lufthansa
6.8
Okay
8,061 reviews
Check prices

Food

6.3

Boarding

7.0

Crew

7.6

Entertainment

6.4

Overall

6.8

Comfort

6.8

Reviews

1 / 20
4.0
Okay

Djermouli,Dec 2025

FRA - SFO

I’m sorry the worst airline united food sales I’m diabetic plus high cholesterol pls seats it’s not comfortable plus screen tv broke I try to charge my phone don’t work I’m not flying with united airlines

Related info for your journey

Find useful and relevant information for your journey from Chennai to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    There are many flights that can get you from Chennai to St. Louis in 28h 36m. Fly via British Airways to get the fastest option. Chennai and St. Louis are separated by a distance of 14169 km.

  • What is the cheapest airline to fly from Chennai to St. Louis round-trip?

    Currently priced at ₹ 119,859, Lufthansa will fly you from Chennai to St. Louis and back. In addition to Lufthansa, many other airlines offer competitively priced options for your trip.

  • 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

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Alternative routes for Chennai to St. Louis

See prices for flight routes from nearby airports that may be better suited for you.
Chennai to Kansas City flights

Top airline flying from Chennai to St. Louis

Discover the top airline that operate flights from Chennai to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 454,620 searches. Data last updated 15 June 2026.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest₹ 119,859Average₹ 150,537FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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!

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