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$193+ Cheap flights from St. Louis (STL) to Trinidad

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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — POS
Mar 1 — Mar 81
Sat 3/1
Sat 3/8
1 adult, Economy
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Cheap flight deals from St. Louis to Trinidad

Keep the following information in mind while searching for St. Louis to Trinidad flight deals. Data was last updated February 24, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$618
(American Airlines)

One-way from

$193
(Kiwi.com)
Provider with most accurate pricing for Lambert-St Louis-Port of Spain Piarco Intl flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Port of Spain Piarco Intl flights.
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From Lambert-St Louis to Trinidad
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One-way flight from Lambert-St Louis to Trinidad
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Find flight deals from St. Louis to Trinidad

Cheapest flights from St. Louis to Trinidad
Explore the most affordable flight options available from St. Louis to Trinidad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 24, 2025.

This American Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/216:20 pmSTL - POS
1 stop18h 55mAmerican Airlines
Sun 5/253:05 pmPOS - STL
2 stops22h 47mAmerican Airlines
Deal found 2/24$618
This United Airlines deal was found by Cheapflights users on 2/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/176:15 amSTL - POS
1 stop16h 08mUnited Airlines
Mon 4/2112:30 amPOS - STL
1 stop10h 26mUnited Airlines
Deal found 2/24$648

Find flights from St. Louis to Trinidad within your budget

Customize your flight search to find flights from St. Louis to Trinidad 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 2,558,603 searches. Data last updated February 24, 2025.

Fly from

St. Louis

Fly to

Trinidad

Route

Depart

Return

Price

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 5/21

6:20 pm-2:15 pm

1 stop18h 55m

Port of Spain Piarco Intl

Sun 5/25

3:05 pm-12:52 pm

2 stops22h 47m

$618

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Thu 4/17

6:15 am-11:23 pm

1 stop16h 08m

Port of Spain Piarco Intl

Mon 4/21

12:30 am-9:56 am

1 stop10h 26m

$648

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sun 3/23

6:47 pm-1:41 am

2 stops29h 54m

$193

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 3/26

5:24 pm-4:41 pm

2 stops22h 17m

$254

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 3/24

5:01 am-2:05 pm

1 stop8h 04m

$358

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/24

Best time to book a flight from St. Louis to Trinidad

Have a flexible travel schedule? Discover the best time to fly to Trinidad from St. Louis with our price prediction graph.
Estimated round-trip 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.

Travel insights for flights from St. Louis to Trinidad

Get recent, data-driven insights about flights from St. Louis to Trinidad including ideal travel times, pricing trends, and more.

Rainfall in Trinidad by month

Plan your trip to Trinidad by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Trinidad ranges from 1.2 - 9.8 inches per month. June is typically the wettest month, when rainfall can reach 9.8 in. March is typically the driest time to visit Trinidad when rainfall is around 1.2 in.

Temperature in Trinidad by month

Plan your trip to Trinidad by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Trinidad, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Trinidad

Get insights into the airlines that provide service to Trinidad. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Trinidad. Reviews last updated February 24, 2025.
United Airlines
7.4
Good
8,742 reviews

Boarding

7.7

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

United Airlines
7.4
Good
8,742 reviews
United Airlines
7.4
Good
8,742 reviews

Boarding

7.7

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,742 reviews

Boarding

7.7

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Frontier
6.0
Okay
3,344 reviews
United Airlines
7.4
Good
8,742 reviews

Boarding

7.7

Entertainment

7.1

Food

6.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20

2.0
Mediocre

Deb,Jan 2025

MKE - ORD

It was terrible! So much to say, but in a nutshell we used vouchers from United because our last trip with them was awful with many mishaps and errors made. Unfortunately, this trip was even worse!

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Trinidad. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from St. Louis to Trinidad?

    For a flight from St. Louis to Trinidad, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis to Trinidad by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Trinidad?

    Currently, October is the cheapest month in which you can book a flight from St. Louis to Trinidad (average of $435). Flying from St. Louis to Trinidad in December is currently the most expensive (average of $710). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for St. Louis to Trinidad

See prices for flight routes from nearby airports that may be better suited for you.
Kansas City to Port of Spain flights
St. Louis to Port of Spain flights

Top airline flying from St. Louis to Trinidad

Discover the top airline that operate flights from St. Louis to Trinidad. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$578Average$764FlexibilityNo cancel feeOn-time71%
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