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Cheap flights from Chennai to St. Louis from ₹ 82,265

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
MAA — STL
5 May — 12 May1
1 adult

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 30 April 2025.

Round-trip from

₹ 82,435

One-way from

₹ 82,265

Popular in

June

Cheapest in

October

Average price

₹ 119,990
British Airways
  • British Airways
  • 22/9-8/1
  • 4 total stops
  • 54h 42m total
  • Chennai to St. Louis
Qatar Airways
  • Qatar Airways
  • 28/7
  • 2 total stops
  • 50h 34m total
  • Chennai to St. Louis
Highest demand for flights based on searches. 7% potential increase in price (₹ 788,023 potential increase over avg. return price).
Cheapest flight prices on average. 2% potential price decrease (₹ 235,855 potential savings vs. average return price).
Average for round-trip flights in April 2025

Find flight deals from Chennai to St. Louis

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 30 April 2025.

Mon 22/905:35MAA - STL
2 stops28h 44mBritish Airways
Thu 8/116:07STL - MAA
2 stops25h 58mBritish Airways
Deal found 29/4₹ 82,435
Mon 22/916:00MAA - STL
3 stops38h 09mMultiple Airlines
Thu 8/113:27STL - MAA
2 stops22h 58mMultiple Airlines
Deal found 29/4₹ 124,589
Sun 21/901:30MAA - STL
2 stops31h 27mCathay Pacific
Thu 8/117:54STL - MAA
2 stops43h 11mCathay Pacific
Deal found 29/4₹ 166,913

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 30 April 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

Mon 22/9

05:35-23:49

2 stops28h 44m

Lambert-St Louis

Thu 8/1

16:07-05:35

2 stops25h 58m

₹ 82,435

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 22/9

16:00-19:39

3 stops38h 09m

Lambert-St Louis

Thu 8/1

13:27-23:55

2 stops22h 58m

₹ 124,589

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 21/9

01:30-22:27

2 stops31h 27m

Lambert-St Louis

Thu 8/1

17:54-00:35

2 stops43h 11m

₹ 166,913

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 28/7

04:20-20:24

2 stops50h 34m

₹ 82,265

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Mon 28/7

22:00-18:35

3 stops31h 05m

₹ 94,017

ChennaiSt. Louis

MAA - STL

MAASTL

Chennai

Sun 27/7

01:10-12:27

3 stops45h 47m

₹ 328,036

Flights are sorted by cheapest return flights first.

Deals found on 29/4

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

Rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average rainfall totals by month.

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.

Temperature in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature totals by month.

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).

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 30 April 2025.

Overall

8.3

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Overall

8.3

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Overall

8.3

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Overall

8.3

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Overall

8.3

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Crew

8.7

Food

7.7

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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

    Currently priced at ₹ 82,435, 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 Cathay Pacific for as low as ₹ 166,913. Users have found that British Airways is 25% 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.

See more FAQs

Travelling to a place near Chennai?

Book flights to Chennai if you plan to visit one of these locations
Chesterfield

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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.

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 30 April 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest₹ 83,063Average₹ 103,534FlexibilityNo cancel feeOn-time70%
Search British Airways flights
LufthansaCheapest₹ 101,042Average₹ 131,880FlexibilityNo 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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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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