Find flights
When to book
FAQs

Cheap flights from Chennai to St. Louis from ₹ 57,988

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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
MAA — STL
16 Sep — 23 Sep1
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 17 August 2026.

Thu 24/921:55 -
2 stops29h 02m
Fri 9/1007:29 -
2 stops26h 11m
Deal found 16/8₹ 97,443
Wed 23/904:05 -
2 stops27h 09m
Sat 10/1015:05 -
2 stops42h 35m
Deal found 16/8₹ 104,417
Thu 24/905:35 -
2 stops26h 38m
Thu 8/1013:06 -
2 stops27h 54m
Deal found 16/8₹ 112,537
Wed 23/905:35 -
2 stops26h 39m
Thu 8/1013:06 -
2 stops27h 54m
Deal found 16/8₹ 119,511
Wed 23/905:35 -
2 stops26h 39m
Fri 9/1017:27 -
2 stops47h 33m
Deal found 16/8₹ 120,753
Wed 23/909:50 -
2 stops46h 01m
Mon 12/1015:11 -
2 stops24h 49m
Deal found 16/8₹ 134,223
Sun 27/922:05 -
2 stops33h 46m
Sat 10/1014:56 -
2 stops30h 39m
Deal found 16/8₹ 137,376
Fri 25/904:05 -
2 stops27h 46m
Mon 12/1015:11 -
2 stops30h 24m
Deal found 16/8₹ 137,471
Sun 20/904:05 -
2 stops26h 25m
Sat 10/1014:56 -
2 stops30h 39m
Deal found 16/8₹ 138,331
Mon 21/904:05 -
2 stops25h 32m
Thu 8/1012:46 -
2 stops27h 34m
Deal found 16/8₹ 139,955
Fri 25/909:50 -
2 stops46h 01m
Sat 10/1014:56 -
2 stops25h 04m
Deal found 16/8₹ 140,433
Mon 21/904:05 -
2 stops30h 08m
Sat 10/1011:31 -
2 stops28h 39m
Deal found 16/8₹ 143,012

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 17 August 2026.

Round-trip from

₹ 97,443

One-way from

₹ 57,988
24/9-9/10
  • 24/9-9/10
  • 4 total stops
  • 55h 13m total
  • Chennai to St. Louis
Search Deals
11/10
  • 11/10
  • 2 total stops
  • 48h 05m 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 17 August 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 Chennai - STL Lambert-St Louis

MAASTL

Chennai

Thu 4/2

07:35-22:44

2 stops50h 39m

Lambert-St Louis

Mon 8/2

17:27-05:35

2 stops48h 38m

₹ 105,754

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 23/9

09:50-21:21

2 stops46h 01m

Lambert-St Louis

Mon 12/10

15:11-02:30

2 stops24h 49m

₹ 134,223

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Fri 25/9

04:05-21:21

2 stops27h 46m

Lambert-St Louis

Mon 12/10

15:11-08:05

2 stops30h 24m

₹ 137,471

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Thu 24/9

04:20-19:45

2 stops25h 55m

Lambert-St Louis

Sun 11/10

08:48-02:40

2 stops31h 22m

₹ 143,012

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Mon 21/9

04:20-19:07

2 stops25h 17m

Lambert-St Louis

Sun 11/10

08:48-02:40

2 stops31h 22m

₹ 143,012

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Mon 21/9

04:05-23:43

2 stops30h 08m

Lambert-St Louis

Sat 10/10

11:31-02:40

2 stops28h 39m

₹ 143,012

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 16/9

21:55-20:44

2 stops33h 19m

Lambert-St Louis

Wed 16/12

06:30-02:35

2 stops32h 35m

₹ 153,903
Fastest return journey

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Tue 15/9

01:55-21:31

2 stops30h 06m

Lambert-St Louis

Wed 16/12

15:40-00:05

1 stop20h 55m

₹ 223,546
Cheapest one-way

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Sun 11/10

04:05-17:40

2 stops48h 05m

₹ 57,988

ChennaiSt. Louis

MAA Chennai - STL Lambert-St Louis

MAASTL

Chennai

Wed 9/12

03:55-14:57

3 stops46h 32m

₹ 70,598

Flights are sorted by cheapest return flights first.

Deals found on 13/8

Showing 1-10 of 19 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.

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 50h 39m. 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

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.
Chennai to Kansas City 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!

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.