Cheap flights from St. Louis to Kerala from ₹ 77,523

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 14/5. Fares are subject to change and may not be available on all flights or dates of travel.
STL — COK
1 May — 8 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. Louis to Kerala

Enter your travel dates to find the best prices.

Cheapest flights from St. Louis to Kerala
Explore the most affordable flight options available from St. Louis to Kerala. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 April 2026.

Mon 19/1009:47
STL
-
TRV
2 stops30h 08m
Qatar Airways
Thu 22/1003:55
TRV
-
STL
2 stops28h 35m
Qatar Airways
Deal found 31/3₹ 123,230
Thu 14/511:06
STL
-
TRV
2 stops28h 49m
Qatar Airways
Wed 20/503:55
TRV
-
STL
2 stops29h 33m
Qatar Airways
Deal found 29/3₹ 135,056
Tue 12/514:33
STL
-
TRV
2 stops25h 22m
Qatar Airways
Mon 18/503:55
TRV
-
STL
2 stops26h 08m
Qatar Airways
Deal found 28/3₹ 138,904
Tue 12/513:05
STL
-
TRV
3 stops27h 15m
Multiple Airlines
Mon 18/503:55
TRV
-
STL
2 stops26h 08m
Multiple Airlines
Deal found 28/3₹ 158,707
Mon 1/609:24
STL
-
TRV
2 stops30h 56m
Multiple Airlines
Mon 22/621:50
TRV
-
STL
2 stops32h 02m
Multiple Airlines
Deal found 31/3₹ 169,969
Wed 16/1214:54
STL
-
TRV
2 stops24h 01m
Qatar Airways
Sat 16/103:55
TRV
-
STL
2 stops31h 34m
Qatar Airways
Deal found 31/3₹ 188,083
Thu 14/513:05
STL
-
TRV
3 stops27h 15m
Multiple Airlines
Thu 21/521:50
TRV
-
STL
2 stops32h 49m
Multiple Airlines
Deal found 29/3₹ 205,634
Fri 18/1214:50
STL
-
TRV
2 stops24h 05m
Qatar Airways
Sat 16/103:55
TRV
-
STL
2 stops31h 34m
Qatar Airways
Deal found 29/3₹ 218,492
Wed 16/1215:50
STL
-
TRV
3 stops29h 25m
Multiple Airlines
Sat 16/104:35
TRV
-
STL
2 stops26h 20m
Multiple Airlines
Deal found 31/3₹ 235,292

Find flight deals from St. Louis to Kerala

Keep the following information in mind while searching for St. Louis to Kerala flight deals. Data was last updated 1 April 2026.

Round-trip from

₹ 123,230

One-way from

₹ 77,523

Popular in

December

Cheapest in

February

Average price

₹ 114,502
Qatar Airways
  • Qatar Airways
  • 7/9-10/9
  • 4 total stops
  • 56h 19m total
  • St. Louis to Kerala
Qatar Airways
  • Qatar Airways
  • 14/5
  • 2 total stops
  • 28h 49m total
  • St. Louis to Kerala
Highest demand for flights based on searches. 12% potential increase in price (₹ 1,649,515 potential increase over avg. return price).
Cheapest flight prices on average. 5% potential price decrease (₹ 650,468 potential savings vs. average return price).
Average for round-trip flights in April 2026

Cheapflights Fare Finder

 
Customise your flight search to find flights from St. Louis to Kerala 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 1 April 2026.
Use the filters below to find and compare flights from St. Louis to Kerala that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 7/9

10:14-02:25

2 stops29h 41m

Thiruvananthapuram

Thu 10/9

03:55-20:03

2 stops26h 38m

₹ 123,230

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Thu 14/5

11:06-02:25

2 stops28h 49m

Thiruvananthapuram

Wed 20/5

03:55-22:58

2 stops29h 33m

₹ 135,056
Fastest return journey

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Tue 12/5

13:05-02:50

3 stops27h 15m

Thiruvananthapuram

Mon 18/5

03:55-19:33

2 stops26h 08m

₹ 158,707

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 1/6

09:24-02:50

2 stops30h 56m

Thiruvananthapuram

Mon 22/6

21:50-19:22

2 stops32h 02m

₹ 169,969

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Thu 14/5

13:05-02:50

3 stops27h 15m

Thiruvananthapuram

Thu 21/5

21:50-20:09

2 stops32h 49m

₹ 205,634

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 1/6

17:00-11:50

3 stops32h 20m

Thiruvananthapuram

Mon 22/6

08:25-16:30

3 stops42h 35m

₹ 245,897
Cheapest one-way
Fastest single journey

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Thu 14/5

11:06-02:25

2 stops28h 49m

₹ 77,523

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Thu 14/5

18:55-08:20

3 stops50h 55m

₹ 79,682

Flights are sorted by cheapest return flights first.

Deals found on 30/3

Sorted by cheapest first

Best time to book a flight from St. Louis to Kerala

Have a flexible travel schedule? Discover the best time to fly to Kerala from St. Louis 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 St. Louis to Kerala
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Kerala. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Kerala?

    Located just 20.4 km from the city centre, Lambert-St Louis (STL) is the airport most travellers will use when flying to Kerala from St. Louis.

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

    Airlines like Qatar Airways fly from St. Louis to Kerala in about 29h 41m. The time it takes to get you to your destination can typically vary by up to . The distance from St. Louis to Kerala is about 14590 km.

  • Can I find deals for flights from St. Louis to Kerala that include hotel bookings?

    Yes. In addition to deals on St. Louis to Kerala flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Kerala?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Kerala.

  • Can I find deals for business class flights from St. Louis to Kerala?

    Yes. Cheapflights offers flight deals from St. Louis to Kerala 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

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Deals for St. Louis to Kerala flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from St. Louis to Kerala?

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Can Cheapflights find flights from St. Louis to Kerala with no change fees?

Need flexible booking options for your flight to Kerala from St. Louis? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from St. Louis to Kerala become cheaper?

Not ready to book yet? You can track prices for flights from St. Louis to Kerala on Cheapflights with our Price Alert feature and get notified when better prices are available.

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