Find flights
When to book
FAQs

Cheap flights from St. Louis to Thiruvananthapuram from ₹ 109,209

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — TRV
17 Mar — 24 Mar1
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 15 February 2026.

Mon 16/206:00
STL
-
TRV
2 stops32h 55m
Qatar Airways
Wed 4/303:55
TRV
-
STL
2 stops28h 47m
Qatar Airways
Deal found 12/2₹ 109,209
Sat 4/413:30
STL
-
TRV
2 stops26h 25m
Qatar Airways
Tue 7/403:55
TRV
-
STL
2 stops47h 56m
Qatar Airways
Deal found 12/2₹ 130,037
Mon 16/218:55
STL
-
TRV
3 stops50h 20m
Lufthansa
Thu 5/309:30
TRV
-
STL
3 stops47h 42m
Lufthansa
Deal found 12/2₹ 130,671
Sat 23/506:15
STL
-
TRV
2 stops33h 40m
Qatar Airways
Fri 12/603:55
TRV
-
STL
2 stops29h 33m
Qatar Airways
Deal found 14/2₹ 138,821
Sat 23/515:55
STL
-
TRV
3 stops34h 25m
British Airways
Sat 13/616:50
TRV
-
STL
2 stops37h 10m
British Airways
Deal found 14/2₹ 179,661

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 15 February 2026.

Round-trip from

₹ 122,883
Qatar Airways
  • Qatar Airways
  • 4/4-7/4
  • 4 total stops
  • 80h 48m 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 15 February 2026.
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

Sat 4/4

11:46-02:25

2 stops28h 09m

Thiruvananthapuram

Tue 7/4

03:55-19:30

2 stops50h 05m

₹ 130,037

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Sat 23/5

06:15-02:25

2 stops33h 40m

Thiruvananthapuram

Fri 12/6

03:55-22:58

2 stops29h 33m

₹ 138,821

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Sat 23/5

15:55-12:50

3 stops34h 25m

Thiruvananthapuram

Sat 13/6

16:50-19:30

2 stops37h 10m

₹ 179,661

St. LouisThiruvananthapuram

STL - TRV

STLTRV

Lambert-St Louis

Sat 23/5

13:13-08:45

3 stops33h 02m

Thiruvananthapuram

Sat 13/6

20:30-21:16

3 stops35h 16m

₹ 189,894

Flights are sorted by cheapest return flights first.

Deals found on 11/2

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 28h 09m. 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
Varkala
Kovalam
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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book With Flexibility

Our users can plan ahead with confidence and find flights with no change fees.

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.