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$664+ Cheap flights from St. Louis (STL) to Kerala

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
STL — COK
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap 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 October 29, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$1,315
(Qatar Airways)

One-way from

$664
(FlightHub)

Popular in

December

Cheapest in

March

Average price

$1,172
Provider with most accurate pricing for Lambert-St Louis-Kochi flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Kochi flights.
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From Lambert-St Louis to Kerala
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One-way flight from Lambert-St Louis to Kerala
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Highest demand for flights based on searches. 14% potential increase in price ($238 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from St. Louis to Kerala

Best flights from St. Louis to Kerala
Discover carefully curated flight deals from St. Louis to Kerala that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

This Qatar Airways deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/122:19 pmSTL - TRV
2 stops25h 36mQatar Airways
Tue 4/143:55 amTRV - STL
2 stops29h 59mQatar Airways
Deal found 10/26$1,315
This Emirates deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:18 pmSTL - TRV
2 stops23h 22mEmirates
Wed 4/154:45 amTRV - STL
2 stops26h 49mEmirates
Deal found 10/26$5,152

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated October 29, 2025.
Use the filters below to find and compare flights from St. Louis to Kerala that are best for you.

Fly from

St. Louis

Fly to

Kerala

Route

Depart

Return

Price

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Sun 4/12

2:19 pm-2:25 am

2 stops25h 36m

Thiruvananthapuram

Tue 4/14

3:55 am-11:24 pm

2 stops29h 59m

$1,315

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Sun 4/12

5:18 pm-3:10 am

2 stops23h 22m

Thiruvananthapuram

Wed 4/15

4:45 am-9:04 pm

2 stops26h 49m

$5,152

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Tue 11/11

3:59 pm-2:25 am

2 stops46h 56m

$664

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Thu 11/13

4:41 pm-2:25 am

2 stops46h 14m

$664

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Thu 11/13

11:07 am-8:45 am

3 stops34h 08m

$680

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Wed 11/12

10:44 am-2:25 am

2 stops28h 11m

$681

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Wed 11/12

11:37 am-8:45 am

3 stops33h 38m

$795

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

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 round-trip 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

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

Currently, April is the cheapest month in which you can book a flight from St. Louis to Kerala (average of $958). Flying from St. Louis to Kerala in December is currently the most expensive (average of $2,002). 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.

What is the cheapest time of day to fly from STL to KL?

Find hourly flight availability from St. Louis to Kerala. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 29, 2025.

When flying from St. Louis to Kerala, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 22% versus a flight in the evening.

Reviews of airlines servicing Kerala

Get insights into the airlines that provide service to Kerala. 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 Kerala. Reviews last updated October 29, 2025.
Peruse reviews from past customers who have flown with Qatar Airways from St. Louis to Kerala to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qatar Airways
7.4
Good
3,659 reviews

Boarding

7.5

Overall

7.4

Food

7.3

Comfort

7.4

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable
Qatar Airways
7.4
Good
3,659 reviews
Qatar Airways
7.4
Good
3,659 reviews

Boarding

7.5

Overall

7.4

Food

7.3

Comfort

7.4

Crew

7.9

Entertainment

7.4

Reviews

1 / 20
6.0
Good

Chris,Jul 2025

DFW - DOH

Too crammed for the amount you have to pay. That was very uncomfortable

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 12.7 mi from the city center, Lambert-St Louis (STL) is the airport most travelers will use when flying to Kerala from St. Louis.

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

    Departing from St. Louis to Kerala will take you 23h 22m. There are 9066 mi between St. Louis and Kerala. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 vacation 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.

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

    Currently, April is the cheapest month in which you can book a flight from St. Louis to Kerala (average of $958). Flying from St. Louis to Kerala in December is currently the most expensive (average of $2,002). 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

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Alternative routes for St. Louis to Kerala

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Top airline flying from St. Louis to Kerala

Discover the top airline that operate flights from St. Louis to Kerala. 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 2,558,603 searches. Data last updated October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qatar AirwaysCheapest$1,145Average$1,484FlexibilityNo cancel feeOn-time68%

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