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Cheap flights from Chennai to St. Louis from ₹ 87,202

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/12. Fares are subject to change and may not be available on all flights or dates of travel.
MAA — STL
18 Nov — 25 Nov1
1 adult
1 adult, Economy

Cheap 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 October 2025.

Round-trip from

₹ 87,730

Popular in

February

Cheapest in

December

Average price

₹ 96,529
British Airways
  • British Airways
  • 14/12-11/2
  • 4 total stops
  • 52h 34m total
  • Chennai to St. Louis
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Highest demand for flights based on searches. 13% potential increase in price (₹ 1,668,506 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (₹ 605,777 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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Find 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 October 2025.

Fri 12/1207:35MAA - STL
2 stops27h 54mBritish Airways
Mon 5/115:30STL - MAA
2 stops26h 35mBritish Airways
Deal found 18/10₹ 87,202
Sun 14/1207:35MAA - STL
2 stops27h 33mBritish Airways
Wed 11/217:04STL - MAA
2 stops25h 01mBritish Airways
Deal found 18/10₹ 87,730
Sun 7/1207:35MAA - STL
2 stops51h 33mBritish Airways
Sun 15/219:01STL - MAA
2 stops23h 04mBritish Airways
Deal found 19/10₹ 88,522
Sat 8/1107:35MAA - STL
2 stops48h 16mBritish Airways
Wed 12/1113:43STL - MAA
2 stops28h 22mBritish Airways
Deal found 18/10₹ 94,153
Fri 12/1207:35MAA - STL
2 stops27h 54mBritish Airways
Tue 6/115:54STL - MAA
2 stops26h 11mBritish Airways
Deal found 17/10₹ 94,329
Wed 10/1219:05MAA - STL
3 stops37h 12mKLM
Fri 6/210:00STL - MAA
3 stops34h 20mKLM
Deal found 18/10₹ 98,377
Fri 12/1218:10MAA - STL
3 stops34h 09mKLM
Tue 6/110:45STL - MAA
3 stops33h 35mKLM
Deal found 17/10₹ 98,553
Thu 18/1207:35MAA - STL
2 stops27h 40mBritish Airways
Tue 6/115:54STL - MAA
2 stops26h 11mBritish Airways
Deal found 18/10₹ 108,584

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 October 2025.
Use the filters below to find and compare flights from Chennai to St. Louis that are best for you.

Fly from

Chennai

Fly to

St. Louis

Route

Depart

Return

Price

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 14/12

07:35-23:38

2 stops27h 33m

Lambert-St Louis

Wed 11/2

17:04-05:35

2 stops25h 01m

₹ 87,730

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 7/12

07:35-23:38

2 stops51h 33m

Lambert-St Louis

Sun 15/2

19:01-05:35

2 stops23h 04m

₹ 88,522

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 8/11

07:35-20:21

2 stops48h 16m

Lambert-St Louis

Wed 12/11

13:43-05:35

2 stops28h 22m

₹ 94,153

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 16/12

01:50-21:40

2 stops31h 20m

Lambert-St Louis

Wed 7/1

11:22-00:05

2 stops25h 13m

₹ 112,808

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 9/12

01:50-23:42

2 stops33h 22m

Lambert-St Louis

Thu 5/2

11:22-00:05

2 stops25h 13m

₹ 112,808

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 9/12

01:50-23:42

2 stops33h 22m

Lambert-St Louis

Fri 6/2

12:44-00:05

2 stops23h 51m

₹ 112,808

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 2/12

01:50-19:13

2 stops28h 53m

Lambert-St Louis

Wed 18/2

11:39-00:05

2 stops24h 56m

₹ 112,896

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Tue 16/12

01:50-21:40

2 stops31h 20m

Lambert-St Louis

Sun 11/1

15:50-00:05

1 stop20h 45m

₹ 112,896

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 8/12

16:00-20:20

2 stops39h 50m

Lambert-St Louis

Wed 4/2

07:00-05:20

2 stops34h 50m

₹ 115,976

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sat 13/12

03:15-23:59

3 stops56h 14m

₹ 232,831

Flights are sorted by cheapest return flights first.

Deals found on 17/10

Showing 1-10 of 14 results
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.

Cheapflights Insights

Everything you need to know about your flight from Chennai to St. Louis

What is the cheapest month to book a flight from Chennai to St. Louis?

Currently, December is the cheapest month in which you can book a flight from Chennai to St. Louis (average of ₹ 79,106). Flying from Chennai to St. Louis in February is currently the most expensive (average of ₹ 142,198). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 October 2025.
See what other customers who have flown with Lufthansa and 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.
Lufthansa
6.8
Okay
7,502 reviews
Check prices

Entertainment

6.4

Overall

6.8

Crew

7.6

Food

6.3

Comfort

6.8

Boarding

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jan 2025

FRA - TPA

I had ordered a gluten-free meal through you I double triple checked that through you got screamed at by one of your representatives. She yelled at me and said that she had ordered the mail, she had chosen my seat, and made sure that all my baggage is were paid for. That was a lie. My experience with discover airlines in and of itself was GOOD but your representative was out of line did not do anything that she screamed at me and told me she did and I literally had to call the airlines myself to get my seat selected to double check on my gluten-free meal which still was not on board and to pay for my bags which I thought that I paid for all of them until I got to the airport and I still had to pay for my check back. So cheap flights I will never use you again.
Lufthansa
6.8
Okay
7,502 reviews
Lufthansa
6.8
Okay
7,502 reviews
Check prices

Entertainment

6.4

Overall

6.8

Crew

7.6

Food

6.3

Comfort

6.8

Boarding

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jan 2025

FRA - TPA

I had ordered a gluten-free meal through you I double triple checked that through you got screamed at by one of your representatives. She yelled at me and said that she had ordered the mail, she had chosen my seat, and made sure that all my baggage is were paid for. That was a lie. My experience with discover airlines in and of itself was GOOD but your representative was out of line did not do anything that she screamed at me and told me she did and I literally had to call the airlines myself to get my seat selected to double check on my gluten-free meal which still was not on board and to pay for my bags which I thought that I paid for all of them until I got to the airport and I still had to pay for my check back. So cheap flights I will never use you again.
British Airways
6.7
Okay
7,460 reviews
Lufthansa
6.8
Okay
7,502 reviews
Check prices

Entertainment

6.4

Overall

6.8

Crew

7.6

Food

6.3

Comfort

6.8

Boarding

7.0

Reviews

1 / 20
8.0
Excellent

Anonymous,Jan 2025

FRA - TPA

I had ordered a gluten-free meal through you I double triple checked that through you got screamed at by one of your representatives. She yelled at me and said that she had ordered the mail, she had chosen my seat, and made sure that all my baggage is were paid for. That was a lie. My experience with discover airlines in and of itself was GOOD but your representative was out of line did not do anything that she screamed at me and told me she did and I literally had to call the airlines myself to get my seat selected to double check on my gluten-free meal which still was not on board and to pay for my bags which I thought that I paid for all of them until I got to the airport and I still had to pay for my check back. So cheap flights I will never use you again.

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 27h 33m. Fly via British Airways to get the fastest option. Chennai and St. Louis are separated by a distance of 14169 km.

  • What are the cheapest airlines flying from Chennai to St. Louis round-trip?

    Currently priced at ₹ 85,827, 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. Check Cheapflights for deals on Lufthansa for as low as ₹ 104,404. Users have found that British Airways is 28% cheaper than the other options available to this destination.

  • 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.

  • What is the cheapest month to book a flight from Chennai to St. Louis?

    Currently, December is the cheapest month in which you can book a flight from Chennai to St. Louis (average of ₹ 79,106). Flying from Chennai to St. Louis in February is currently the most expensive (average of ₹ 142,198). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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 2 airlines flying from Chennai to St. Louis

Discover the top 2 airlines 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 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest₹ 85,827Average₹ 106,895FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest₹ 104,404Average₹ 124,025FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

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

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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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