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Cheap flights from St. Louis to Thiruvananthapuram from ₹ 77,903

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 — TRV
30 Apr — 7 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from St. Louis to Trivandrum

Enter your travel dates to find the best prices.

Cheapest flights from St. Louis to Trivandrum
Explore the most affordable flight options available from St. Louis to Trivandrum. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 March 2026.

Sun 10/507:00
STL
-
TRV
2 stops26h 45m
Multiple Airlines
Sun 17/521:50
TRV
-
STL
2 stops26h 02m
Multiple Airlines
Deal found 26/3₹ 115,345
Sat 18/405:20
STL
-
TRV
2 stops34h 25m
Qatar Airways
Wed 13/503:55
TRV
-
STL
2 stops30h 31m
Qatar Airways
Deal found 26/3₹ 119,117
Mon 19/1009:35
STL
-
TRV
2 stops30h 20m
Qatar Airways
Thu 22/1003:55
TRV
-
STL
2 stops29h 50m
Qatar Airways
Deal found 30/3₹ 123,833
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₹ 135,716
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₹ 139,583
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₹ 159,483
Mon 1/609:24
STL
-
TRV
2 stops30h 56m
Multiple Airlines
Mon 22/621:50
TRV
-
STL
2 stops36h 34m
Multiple Airlines
Deal found 30/3₹ 170,801
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₹ 206,640
Sun 10/513:24
STL
-
TRV
3 stops34h 31m
Lufthansa
Sun 17/519:35
TRV
-
STL
3 stops36h 08m
Lufthansa
Deal found 26/3₹ 214,562
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₹ 219,561

Find flight deals from St. Louis to Trivandrum

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Trivandrum (TRV). 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 31 March 2026.

Round-trip from

₹ 119,117

One-way from

₹ 77,903
Qatar Airways
  • Qatar Airways
  • 18/4-13/5
  • 4 total stops
  • 64h 56m total
  • St. Louis to Thiruvananthapuram
Search Deals
Qatar Airways
  • Qatar Airways
  • 14/5
  • 2 total stops
  • 28h 49m total
  • St. Louis to Thiruvananthapuram
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from St. Louis to Trivandrum 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 31 March 2026.
Use the filters below to find and compare flights from St. Louis to Thiruvananthapuram that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Sun 10/5

07:00-20:15

2 stops26h 45m

Thiruvananthapuram

Sun 17/5

21:50-13:22

2 stops26h 02m

₹ 115,345
Fastest return journey

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 7/9

16:18-02:25

2 stops23h 37m

Thiruvananthapuram

Thu 10/9

03:55-20:03

2 stops26h 38m

₹ 123,833

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

₹ 135,716

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

₹ 159,483

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 1/6

09:24-02:50

2 stops30h 56m

Thiruvananthapuram

Mon 22/6

21:50-23:54

2 stops36h 34m

₹ 170,801

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

₹ 206,640

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Sun 10/5

13:24-10:25

3 stops34h 31m

Thiruvananthapuram

Sun 17/5

19:35-21:13

3 stops36h 08m

₹ 214,562
Cheapest one-way
Fastest single journey

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Thu 14/5

11:06-02:25

2 stops28h 49m

₹ 77,903

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Thu 14/5

18:55-08:20

3 stops50h 55m

₹ 80,072

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 Trivandrum

Have a flexible travel schedule? Discover the best time to fly to Trivandrum 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.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Trivandrum. 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 St. Louis to Thiruvananthapuram?

    Qatar Airways can get you from St. Louis to Thiruvananthapuram in just under 23h 37m. Your travel time can differ by up to . Airlines will cover a distance of 14590 km.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Trivandrum 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 Thiruvananthapuram?

Book flights to Thiruvananthapuram if you plan to visit one of these locations
Kovalam
Varkala
Poovar

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Trivandrum by adding a car rental and/or hotel reservation to your travel itinerary.
Thiruvananthapuram car hire
Kochi car hire

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from St. Louis to Trivandrum. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from St. Louis to Trivandrum for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Trivandrum from St. Louis 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 St. Louis to Trivandrum become cheaper?

Of course! You can now track prices for flights from St. Louis to Trivandrum and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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