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Cheap flights from St. Louis to Thiruvananthapuram from ₹ 116,497

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 12/4. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TRV
16 Dec — 23 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap 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 16 November 2025.

Round-trip from

₹ 116,497
Qatar Airways
  • Qatar Airways
  • 12/4-14/4
  • 4 total stops
  • 61h 09m total
  • St. Louis to Thiruvananthapuram
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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 16 November 2025.

Mon 1/1206:00STL - TRV
2 stops32h 55mQatar Airways
Sun 14/1203:55TRV - STL
2 stops31h 34mQatar Airways
Deal found 15/11₹ 122,526
Mon 24/1114:53STL - TRV
2 stops24h 02mQatar Airways
Wed 24/1203:55TRV - STL
2 stops44h 07mQatar Airways
Deal found 16/11₹ 126,604
Mon 1/1216:46STL - TRV
3 stops36h 34mBritish Airways
Mon 15/1223:00TRV - STL
3 stops35h 36mBritish Airways
Deal found 15/11₹ 148,503
Thu 25/1205:05STL - TRV
2 stops57h 50mQatar Airways
Fri 16/103:55TRV - STL
2 stops31h 34mQatar Airways
Deal found 13/11₹ 170,225
Mon 24/1118:43STL - TRV
3 stops50h 32mLufthansa
Thu 25/1209:30TRV - STL
3 stops47h 43mLufthansa
Deal found 16/11₹ 180,243
Mon 1/1218:43STL - TRV
3 stops50h 32mMultiple Airlines
Mon 15/1211:15TRV - STL
2 stops62h 10mMultiple Airlines
Deal found 14/11₹ 191,148
Wed 24/1215:30STL - TRV
2 stops47h 25mQatar Airways
Fri 16/103:55TRV - STL
2 stops46h 22mQatar Airways
Deal found 15/11₹ 205,865

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 16 November 2025.
Use the filters below to find and compare flights from St. Louis to Thiruvananthapuram that are best for you.

Fly from

St. Louis

Fly to

Trivandrum

Route

Depart

Return

Price

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Sun 12/4

09:15-02:25

2 stops30h 40m

Thiruvananthapuram

Tue 14/4

03:55-23:24

2 stops29h 59m

₹ 116,497

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 1/12

06:00-02:25

2 stops32h 55m

Thiruvananthapuram

Sun 14/12

03:55-23:59

2 stops31h 34m

₹ 122,526

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 1/12

16:46-16:50

3 stops36h 34m

Thiruvananthapuram

Mon 15/12

23:00-23:06

3 stops35h 36m

₹ 148,503

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Mon 1/12

18:43-08:45

3 stops50h 32m

Thiruvananthapuram

Mon 15/12

11:15-13:55

2 stops62h 10m

₹ 191,148

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Wed 24/12

15:50-08:45

2 stops53h 25m

Thiruvananthapuram

Sat 17/1

20:30-16:03

3 stops31h 03m

₹ 221,647

Flights are sorted by cheapest return flights first.

Deals found on 13/11

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 and British Airways can get you from St. Louis to Thiruvananthapuram in just under 30h 40m. Your travel time can differ by up to 5h 54m. Airlines will cover a distance of 14590 km. Both multi-stop and direct flights can be found to your destination and back.

  • 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
Varkala
Kovalam
Poovar

Browse thousands of different options on Cheapflights for your next trip

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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

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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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