$667 Cheap Flights from Thiruvananthapuram (TRV) to St. Louis (STL)

View $667 flight on Tue, Nov 25, 2025Opens in a new window

Popular airlines from Trivandrum Intl. Airport (TRV) to St. Louis Lambert Intl. Airport (STL)

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Cheap Flights from Thiruvananthapuram to St. Louis (TRV-STL)

Prices were available within the past 7 days and start at $667 for one-way flights and $1,549 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Emirates
Fri, Nov 7 - Wed, Apr 29
TRV
Thiruvananthapuram
STL
St. Louis
$1,549 Roundtrip, found 3 days ago
$1,549
Roundtrip
found 3 days ago
Select Emirates flight, departing Fri, Nov 7 from Thiruvananthapuram to St. Louis, returning Wed, Apr 29, priced at $1,549 found 3 days ago
Emirates
Fri, Nov 7 - Wed, Apr 29
TRV
Thiruvananthapuram
STL
St. Louis
$1,555 Roundtrip, found 3 days ago
$1,555
Roundtrip
found 3 days ago
Select Emirates flight, departing Fri, Nov 7 from Thiruvananthapuram to St. Louis, returning Wed, Apr 29, priced at $1,555 found 3 days ago
Emirates
Fri, Nov 7 - Fri, May 1
TRV
Thiruvananthapuram
STL
St. Louis
$1,580 Roundtrip, found 3 days ago
$1,580
Roundtrip
found 3 days ago
Select Emirates flight, departing Fri, Nov 7 from Thiruvananthapuram to St. Louis, returning Fri, May 1, priced at $1,580 found 3 days ago
Emirates
Fri, Nov 7 - Fri, May 1
TRV
Thiruvananthapuram
STL
St. Louis
$1,586 Roundtrip, found 3 days ago
$1,586
Roundtrip
found 3 days ago
Select Emirates flight, departing Fri, Nov 7 from Thiruvananthapuram to St. Louis, returning Fri, May 1, priced at $1,586 found 3 days ago
Emirates
Fri, Nov 7 - Wed, Apr 29
TRV
Thiruvananthapuram
STL
St. Louis
$1,650 Roundtrip, found 3 days ago
$1,650
Roundtrip
found 3 days ago
Select Emirates flight, departing Fri, Nov 7 from Thiruvananthapuram to St. Louis, returning Wed, Apr 29, priced at $1,650 found 3 days ago
Emirates
Fri, Nov 7 - Wed, Apr 29
TRV
Thiruvananthapuram
STL
St. Louis
$1,653 Roundtrip, found 3 days ago
$1,653
Roundtrip
found 3 days ago
Select Emirates flight, departing Fri, Nov 7 from Thiruvananthapuram to St. Louis, returning Wed, Apr 29, priced at $1,653 found 3 days ago
Emirates
Fri, Nov 7 - Wed, Apr 29
TRV
Thiruvananthapuram
STL
St. Louis
$1,658 Roundtrip, found 3 days ago
$1,658
Roundtrip
found 3 days ago
Select Emirates flight, departing Fri, Nov 7 from Thiruvananthapuram to St. Louis, returning Wed, Apr 29, priced at $1,658 found 3 days ago

Frequently asked questions

How much does a flight from Trivandrum Intl. Airport (TRV) to Lambert-St. Louis Intl. Airport (STL) cost?
Snag a cheap one-way flight from $667 or cheap return flight from $1,549 from Trivandrum Intl. Airport (TRV) to Lambert-St. Louis Intl. Airport (STL) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Trivandrum Intl. Airport (TRV) to Lambert-St. Louis Intl. Airport (STL)?
November is the cheapest month to fly from TRV to STL. Traveling outside of peak seasons is often the key to landing a great deal.
What is the cheapest airline that flies from Trivandrum Intl. Airport (TRV) to Lambert-St. Louis Intl. Airport (STL)?
Use the filter tool on Expedia to compare different airlines and find the most affordable carrier that'll take you from TRV to STL. Then, sort your results by "Price (lowest to highest)" to pick up the best deal available.
How many flights per day from Trivandrum Intl. Airport (TRV) to Lambert-St. Louis Intl. Airport (STL)?
You'll need to hop on a flight with a layover if you're traveling from Trivandrum Intl. Airport (TRV) to Lambert-St. Louis Intl. Airport (STL). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover the best option for your trip.
What day of the week has the most flights from TRV to STL?
Typically you'll have the most choice when it comes to flights on a Friday. Tuesdays are often the quietest.* However, this can change based on the airline, season and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Trivandrum Intl. Airport (TRV) to Lambert-St. Louis Intl. Airport (STL)?
Select a flight from Trivandrum Intl. Airport (TRV) to Lambert-St. Louis Intl. Airport (STL) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this are on average 22% more likely to be canceled.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Trivandrum Intl. Airport (TRV) to Lambert-St. Louis Intl. Airport (STL) last-minute?
Last-minute bookings from TRV to STL are generally more expensive. To lock in the lowest rates, start searching for flights early. That said, if you're flexible with your travel plans, you may score a cheap fare right before your trip.
Is it cheaper to book a TRV to STL flight and hotel package?
You'll typically save money by booking a TRV to STL flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your ideal accommodations and flights, you can add extras like activities, car rentals and tours.
Can I cancel or change the date of my flight from Trivandrum Intl. Airport (TRV) to Lambert-St. Louis Intl. Airport (STL)?
In most cases, you can cancel or reschedule your TRV to STL flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like further details, go to our Customer Service portal.

Travel information

Origin airport
Trivandrum Intl.
Destination airport
Lambert-St. Louis Intl.
Roundtrip price
$1,548
Distance
9073 mi

Book with confidence

Thiruvananthapuram to St. Louis Flights

The cheapest times to fly from Thiruvananthapuram to St. Louis

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Thiruvananthapuram to St. Louis are during the month of November. You can find some of the cheapest flights from Thiruvananthapuram to St. Louis with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Thiruvananthapuram to St. Louis

Sunday is one of the best days to book for cheap flights from Thiruvananthapuram to St. Louis: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Thiruvananthapuram to St. Louis

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Thiruvananthapuram to St. Louis in 2025. You can also book with separate airlines for your outbound and return journeys, from $667 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Thiruvananthapuram to St. Louis flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Thiruvananthapuram to St. Louis airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Thiruvananthapuram to St. Louis Flights

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*Available to One Key members.