Cheap Flights from St Louis to Thiruvananthapuram

Compare St Louis to Thiruvananthapuram flight deals

Find the cheapest month or even day of the year to fly to Thiruvananthapuram

Book the best Thiruvananthapuram fare with no extra fees

Flight deals from St Louis Airport to Thiruvananthapuram Airport

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Thiruvananthapuram Airport? If you want to travel next month, return fares start from ج.م.‏ 55,571. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from St Louis to Thiruvananthapuram

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Thiruvananthapuram flights are currently cheapest in March.

St Louis to Thiruvananthapuram: Alternative routes

Compare routes from St Louis to Thiruvananthapuram below. You may find an airport to fly into that's cheaper, faster, or easier than Thiruvananthapuram.

St Louis to Thiruvananthapuram: Flight information

The things to know before you go.
Cheapest flight foundج.م.‏ 21,381
Cheapest month to flyMarch

Finding cheap flights from St Louis to Thiruvananthapuram: Frequently asked questions

The best price we found for a return flight from St Louis to Thiruvananthapuram is ج.م.‏ 55,571. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from St Louis to Thiruvananthapuram. But we found flights with one or more stops from ج.م.‏ 55,571.
As of March 2026, there are no flights flying from St Louis to Thiruvananthapuram.
The cheapest month to fly from St Louis to Thiruvananthapuram is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Thiruvananthapuram Airport on Friday, 17 April 2026.
No airlines currently offer direct flights between St Louis Airport and Thiruvananthapuram Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Thiruvananthapuram but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Thiruvananthapuram is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Thiruvananthapuram.

Travelling from Lambert-St. Louis International Airport (STL) to Trivandrum International Airport (TRV): what you need to know

  • The timezone in Thiruvananthapuram is UTC+5:30, which is ten hours 30 minutes ahead of St Louis.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are travel rules worth sticking to. Get to the airport on time to board your STL to TRV flight.

  • Be prepared for longer queues in popular months like July. Arriving up to four hours in advance for international flights and two hours for domestic departures is a smart move.

How to find the cheapest flights from Lambert-St. Louis International Airport (STL) to Trivandrum International Airport (TRV)

  • Right now, ج.م.‏ 21,381 is the cheapest price we've found for a one-way Lambert-St. Louis International Airport to Trivandrum International Airport flight. The best price for a return plane ticket is ج.م.‏ 55,571. Keep in mind that fares can change due to availability when booking.

  • Don't leave things to the last minute. You're more likely to get cheap tickets from STL to TRV if you book ahead. Airlines often offer some terrific early bird discounts.

  • If you're willing to be flexible with your trip dates, try using the 'Whole month' tool. It'll give you the cheapest price in every month when looking for a flight from Lambert-St. Louis International Airport to Trivandrum International Airport.

  • Save time searching for cheap flights from STL to TRV by creating a Price Alert. You'll get an email or push notification on the app when a special offer becomes available.

  • Pick your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Lambert-St. Louis International Airport to Trivandrum International Airport.

Handy information about Lambert-St. Louis International Airport (STL)

Arriving at Trivandrum International Airport (TRV)

Getting from Trivandrum International Airport (TRV) to central Thiruvananthapuram

  • From Trivandrum International Airport, Thiruvananthapuram is approximately 0.16 kilometres away. It takes around 0 hours to get to the centre driving.

When to fly to Trivandrum International Airport (TRV)

  • The quietest month for a flight from Lambert-St. Louis International Airport to Trivandrum International Airport is April, while August is the busiest. Pick the best time to go to Thiruvananthapuram based on whether you prefer a more fast-paced or easygoing experience.

  • When booking your flight from Lambert-St. Louis International Airport to Trivandrum International Airport, think about the type of weather you like. March is the warmest month in Thiruvananthapuram, with temperatures ranging from 23ºC to 34ºC.

  • January has average temperatures of between 21ºC and 31ºC. Look for cheap tickets from STL to TRV sometime then if you like travelling in cooler conditions.

Explore more of India

  • Tirunelveli is just one of the many places in India waiting to be explored after you've experienced Thiruvananthapuram. Around 88 kilometres away to the east, its top attractions include Smart City, Green Space Phase I, Ramalingam Nagar Park, Udaiyarpatti Lake and Master Kings Family.

  • Coimbatore is another essential stop in India and is around 274 kilometres north of Thiruvananthapuram. No journey is complete without seeing Marudamalai Temple, Perur Pateeswarar Temple and Vellingiri Hill Temple.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.