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Cheap flights from Chennai to St. Louis from ₹ 71,579

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 9/7. Fares are subject to change and may not be available on all flights or dates of travel.
MAA — STL
19 May — 26 May1
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 19 April 2026.

Tue 7/704:05
MAA
-
STL
2 stops25h 42m
Multiple Airlines
Wed 16/907:44
STL
-
MAA
2 stops32h 11m
Multiple Airlines
Deal found 18/4₹ 108,989
Tue 16/604:25
MAA
-
STL
2 stops29h 03m
Qatar Airways
Tue 11/808:35
STL
-
MAA
2 stops31h 45m
Qatar Airways
Deal found 19/4₹ 124,083
Fri 3/704:20
MAA
-
STL
2 stops29h 03m
Qatar Airways
Sat 19/912:43
STL
-
MAA
2 stops27h 37m
Qatar Airways
Deal found 15/4₹ 124,731
Thu 2/704:20
MAA
-
STL
2 stops29h 03m
Qatar Airways
Sat 12/912:43
STL
-
MAA
2 stops27h 37m
Qatar Airways
Deal found 17/4₹ 126,212
Thu 21/504:10
MAA
-
STL
2 stops26h 50m
Qatar Airways
Thu 25/609:08
STL
-
MAA
2 stops31h 12m
Qatar Airways
Deal found 16/4₹ 126,490
Mon 6/722:05
MAA
-
STL
2 stops33h 51m
Emirates
Wed 16/911:25
STL
-
MAA
2 stops28h 35m
Emirates
Deal found 18/4₹ 128,713
Sun 5/703:55
MAA
-
STL
2 stops29h 28m
Qatar Airways
Thu 17/914:12
STL
-
MAA
2 stops25h 58m
Qatar Airways
Deal found 18/4₹ 134,269

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 19 April 2026.

Round-trip from

₹ 108,989

One-way from

₹ 71,579
7/7-16/9
  • 7/7-16/9
  • 4 total stops
  • 57h 53m total
  • Chennai to St. Louis
Search Deals
Emirates
  • Emirates
  • 9/7
  • 2 total stops
  • 27h 51m 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 19 April 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

Tue 16/6

04:25-22:58

2 stops29h 03m

Lambert-St Louis

Tue 11/8

08:35-02:50

2 stops31h 45m

₹ 124,083
Fastest return journey

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Wed 17/6

03:55-19:36

2 stops26h 11m

Lambert-St Louis

Tue 11/8

10:16-02:40

2 stops29h 54m

₹ 124,083

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Fri 3/7

04:20-22:53

2 stops29h 03m

Lambert-St Louis

Sat 19/9

12:43-02:50

2 stops27h 37m

₹ 124,731

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Thu 2/7

04:20-22:53

2 stops29h 03m

Lambert-St Louis

Sat 12/9

12:43-02:50

2 stops27h 37m

₹ 126,212
Cheapest one-way

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 9/6

04:05-21:16

2 stops27h 41m

₹ 71,764

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 11/5

16:05-16:00

2 stops34h 25m

₹ 77,968
Fastest single journey

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 8/6

01:55-13:25

1 stop22h 00m

₹ 109,730

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 4/5

03:10-23:59

3 stops31h 19m

₹ 111,304

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 9/6

05:00-23:59

3 stops53h 29m

₹ 128,620

Flights are sorted by cheapest return flights first.

Deals found on 15/4

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.
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 19 April 2026.
See what other customers who have flown with British Airways 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.
British Airways
6.7
Okay
7,893 reviews
Check prices

Comfort

6.8

Entertainment

6.4

Food

6.4

Boarding

6.9

Crew

7.7

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.
British Airways
6.7
Okay
7,893 reviews
British Airways
6.7
Okay
7,893 reviews
Check prices

Comfort

6.8

Entertainment

6.4

Food

6.4

Boarding

6.9

Crew

7.7

Overall

6.7

Reviews

1 / 20
6.0
Good

Roxanne,Sept 2025

LHR - IAD

Food was mediocre. Couldn't use headphones because no information on how to use. Staff paid so much attention on a family with a baby . They got VIP treatment.

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 29h 03m. Fly via Qatar 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 ₹ 83,413, British Airways will fly you from Chennai to St. Louis and back. In addition to British Airways, 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 19 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest₹ 83,413Average₹ 104,575FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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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.

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