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$749+ Cheap flights from St. Louis (STL) to Trinidad

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/7. Fares are subject to change and may not be available on all flights or dates of travel.
STL — POS
Nov 9 — Nov 161
Sun 11/9
Sun 11/16
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 October 10, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$659
(United Airlines)
Provider with most accurate pricing for Lambert-St Louis-Port of Spain Piarco Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Port of Spain Piarco Intl flights.
Search Deals
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 October 10, 2025.

This American Airlines deal was found by Cheapflights users on 10/9. 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 11/235:17 amSTL - POS
2 stops16h 21mAmerican Airlines
Sun 11/304:30 pmPOS - STL
2 stops17h 57mAmerican Airlines
Deal found 10/9$833
This United Airlines deal was found by Cheapflights users on 10/9. 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 11/236:15 amSTL - POS
1 stop16h 08mUnited Airlines
Sat 11/291:30 amPOS - STL
2 stops42h 09mUnited Airlines
Deal found 10/9$931
This Mytrip deal was found by Cheapflights users on 10/9. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/236:30 amSTL - POS
2 stops16h 40mMultiple Airlines
Sun 11/309:10 amPOS - STL
3 stops31h 14mMultiple Airlines
Deal found 10/9$1,703

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 October 10, 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

Sat 2/7

4:35 pm-12:23 am

1 stop29h 48m

Port of Spain Piarco Intl

Tue 2/10

1:30 am-3:52 pm

1 stop16h 22m

$749

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sun 11/23

5:15 am-3:30 pm

1 stop8h 15m

Port of Spain Piarco Intl

Sun 11/30

4:30 pm-8:27 am

2 stops17h 57m

$833

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sun 11/23

6:15 am-12:23 am

1 stop16h 08m

Port of Spain Piarco Intl

Sat 11/29

1:30 am-5:39 pm

2 stops42h 09m

$931

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sat 2/7

10:00 am-10:48 pm

1 stop10h 48m

Port of Spain Piarco Intl

Wed 2/11

6:00 pm-10:29 am

1 stop18h 29m

$939

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/8

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 October 10, 2025.
Read through reviews of airlines operating flights from St. Louis to Trinidad, such as 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.
American Airlines
7.2
Good
11,043 reviews

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
11,043 reviews
American Airlines
7.2
Good
11,043 reviews

Overall

7.2

Boarding

7.5

Crew

8.0

Entertainment

6.9

Comfort

7.2

Food

6.4

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

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.

  • How long is the flight from St. Louis to Trinidad?

    Airlines like United Airlines fly from St. Louis to Trinidad in about 29h 48m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 2641 mi.

  • 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.

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 October 10, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$558Average$606FlexibilityNo cancel feeOn-time71%

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