HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Trinidad

$569+ 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 12/21. Fares are subject to change and may not be available on all flights or dates of travel.
STL — POS
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from St. Louis to Trinidad with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 August 14, 2025.

Round-trip from

$608
(American Airlines)

One-way from

$569
(American Airlines)
From Lambert-St Louis to Trinidad
Search Deals
One-way flight from Lambert-St Louis to Trinidad
Search Deals

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 August 14, 2025.

This American Airlines deal was found by Cheapflights users on 8/14. 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.
Sun 11/99:12 amSTL - POS
2 stops12h 24mAmerican Airlines
Sun 11/164:28 pmPOS - STL
2 stops18h 48mAmerican Airlines
Deal found 8/14$608
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Sun 11/96:15 amSTL - POS
1 stop16h 08mUnited Airlines
Sat 11/151:30 amPOS - STL
1 stop11h 09mUnited Airlines
Deal found 8/14$688
This American Airlines deal was found by Cheapflights users on 8/14. 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 8/275:26 amSTL - POS
1 stop7h 59mAmerican Airlines
Tue 9/27:00 amPOS - STL
1 stop17h 59mAmerican Airlines
Deal found 8/14$783
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 12/236:14 pmSTL - POS
1 stop26h 01mAmerican Airlines
Tue 12/304:40 pmPOS - STL
1 stop27h 08mAmerican Airlines
Deal found 8/14$829
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 8/265:26 amSTL - POS
1 stop15h 10mAmerican Airlines
Mon 9/17:00 amPOS - STL
1 stop17h 59mAmerican Airlines
Deal found 8/14$853
This American Airlines deal was found by Cheapflights users on 8/14. 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.
Tue 8/265:26 amSTL - POS
1 stop15h 10mAmerican Airlines
Tue 9/27:00 amPOS - STL
1 stop17h 59mAmerican Airlines
Deal found 8/14$893
This United Airlines deal was found by Cheapflights users on 8/14. 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.
Wed 8/278:20 amSTL - POS
1 stop14h 03mUnited Airlines
Sun 8/3112:30 amPOS - STL
2 stops22h 02mUnited Airlines
Deal found 8/14$898

Cheapflights Fare Finder

 
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 August 14, 2025.
Use the filters below to find and compare flights from St. Louis to Trinidad that are best for you.

Fly from

St. Louis

Fly to

Trinidad

Route

Depart

Return

Price

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sun 11/9

5:21 am-11:36 pm

1 stop16h 15m

Port of Spain Piarco Intl

Sun 11/16

4:28 pm-9:16 am

2 stops18h 48m

$608

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sun 11/9

6:15 am-12:23 am

1 stop16h 08m

Port of Spain Piarco Intl

Sat 11/15

1:30 am-10:39 am

1 stop11h 09m

$688

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sat 1/3

6:14 pm-3:10 pm

1 stop18h 56m

Port of Spain Piarco Intl

Sat 1/10

7:10 am-9:48 pm

1 stop16h 38m

$738

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 8/27

5:26 am-2:25 pm

1 stop7h 59m

Port of Spain Piarco Intl

Tue 9/2

7:00 am-11:59 pm

1 stop17h 59m

$783

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sun 12/21

2:39 pm-3:10 pm

2 stops22h 31m

$569

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sat 12/20

7:06 pm-10:15 pm

2 stops25h 09m

$624

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 12/22

6:14 pm-10:15 pm

1 stop26h 01m

$636

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sun 12/21

6:35 pm-1:30 am

3 stops28h 55m

$2,853

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

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.

Cheapflights Insights

Everything you need to know about your flight from St. Louis to Trinidad
No data available for this route at this time. Please check back soon.

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 August 14, 2025.
Read through reviews of airlines operating flights from St. Louis to Trinidad, such as United Airlines and American Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,916 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,916 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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

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.

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 2 airlines flying from St. Louis to Trinidad

Discover the top 2 airlines 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 August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$545Average$886FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$558Average$696FlexibilityNo cancel feeOn-time71%

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.