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$477+ 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 3/23. Fares are subject to change and may not be available on all flights or dates of travel.
STL — POS
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
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 January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$477
(Air Canada)
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.
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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 January 15, 2026.

This Air Canada deal was found by Cheapflights users on 1/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/234:05 pm
STL
-
POS
1 stop31h 15m
Air Canada
Thu 3/261:20 am
POS
-
STL
1 stop15h 09m
Air Canada
Deal found 1/13$477
This United Airlines deal was found by Cheapflights users on 1/13. 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.
Mon 3/237:40 am
STL
-
POS
2 stops14h 43m
United Airlines
Thu 3/2612:30 am
POS
-
STL
2 stops21h 37m
United Airlines
Deal found 1/13$754
This United Airlines deal was found by Cheapflights users on 1/14. 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 2/116:00 am
STL
-
POS
1 stop16h 23m
United Airlines
Tue 2/171:30 am
POS
-
STL
1 stop9h 53m
United Airlines
Deal found 1/14$1,924
This American Airlines deal was found by Cheapflights users on 1/15. 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 2/115:04 pm
STL
-
POS
2 stops21h 54m
American Airlines
Wed 2/184:06 pm
POS
-
STL
2 stops22h 27m
American Airlines
Deal found 1/15$2,140
This Copa Airlines deal was found by Cheapflights users on 1/14. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:30 am
STL
-
POS
2 stops15h 43m
Copa Airlines
Wed 2/182:28 pm
POS
-
STL
2 stops21h 45m
Copa Airlines
Deal found 1/14$2,334

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 January 15, 2026.
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

Mon 3/23

4:05 pm-12:20 am

1 stop31h 15m

Port of Spain Piarco Intl

Thu 3/26

1:20 am-3:29 pm

1 stop15h 09m

$477

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Mon 3/23

7:40 am-11:23 pm

2 stops14h 43m

Port of Spain Piarco Intl

Thu 3/26

12:30 am-9:07 pm

2 stops21h 37m

$754

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 2/11

6:00 am-12:23 am

1 stop16h 23m

Port of Spain Piarco Intl

Tue 2/17

1:30 am-9:23 am

1 stop9h 53m

$1,924

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 2/11

5:04 pm-4:58 pm

2 stops21h 54m

Port of Spain Piarco Intl

Wed 2/18

4:06 pm-12:33 pm

2 stops22h 27m

$2,140

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Wed 2/11

8:30 am-2:13 am

2 stops15h 43m

Port of Spain Piarco Intl

Wed 2/18

2:28 pm-10:13 am

2 stops21h 45m

$2,334

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/13

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 January 15, 2026.
Read through reviews of airlines operating flights from St. Louis to Trinidad, such as United 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
9,164 reviews

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,164 reviews
United Airlines
7.4
Good
9,164 reviews

Food

6.6

Entertainment

7.1

Crew

8.1

Overall

7.4

Boarding

7.7

Comfort

7.3

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

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 Air Canada and United Airlines fly from St. Louis to Trinidad in about 14h 43m. The time it takes to get you to your destination can typically vary by up to 16h 32m. Airlines will cover a distance of 2641 mi. This flight may include one or multiple stops.

  • 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.
St. Louis to Port of Spain flights
Kansas City 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 January 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$558Average$870FlexibilityNo cancel feeOn-time69%

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