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St. Louis

$299+ Cheap flights from Trinidad to St. Louis (STL)

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
POS — STL
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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Cheap flight deals from Trinidad to St. Louis

Keep the following information in mind while searching for Trinidad to St. Louis flight deals. Data was last updated May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars
Provider with most accurate pricing for Port of Spain Piarco Intl-Lambert-St Louis flight deals.
Search Deals
Provider most trusted by Cheapflights users for Port of Spain Piarco Intl-Lambert-St Louis flights.
Search Deals

Find flight deals from Trinidad to St. Louis

One-way flights from Trinidad to St. Louis
Search for one-way flight options from Trinidad to St. Louis. Find affordable one-way fares based on user searches. Data last updated May 1, 2025.

This Air Canada deal was found by Cheapflights users on 4/29. 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 5/122:25 amPOS - STL
2 stops18h 33mAir Canada
Deal found 4/29$299
This American Airlines deal was found by Cheapflights users on 4/29. 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 5/133:05 pmPOS - STL
2 stops23h 02mAmerican Airlines
Deal found 4/29$425
This Mytrip deal was found by Cheapflights users on 4/29. 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.
Tue 5/139:10 amPOS - STL
3 stops28h 00mMultiple Airlines
Deal found 4/29$440

Cheapflights Fare Finder

Customize your flight search to find flights from Trinidad to St. Louis 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 May 1, 2025.
Use the filters below to find and compare flights from Trinidad to St. Louis that are best for you.

Fly from

Trinidad

Fly to

St. Louis

Route

Depart

Return

Price

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Mon 5/12

2:25 am-7:43 pm

1 stop18h 18m

$299

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Tue 5/13

3:05 pm-1:07 pm

2 stops23h 02m

$425

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Tue 5/13

9:10 am-12:10 pm

3 stops28h 00m

$440

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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

Have a flexible travel schedule? Discover the best time to fly to St. Louis from Trinidad 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 Trinidad to St. Louis

Rainfall in St. Louis by month

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

In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.

Temperature in St. Louis by month

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

If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July 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 32.0 F).

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated May 1, 2025.
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.
Air Canada
7.0
Good
9,252 reviews
American Airlines
7.2
Good
10,000 reviews

Comfort

7.2

Food

6.5

Crew

8.0

Entertainment

6.9

Boarding

7.5

Overall

7.2

Reviews

1 / 20
10.0
Excellent

Anonymous,Apr 2025

MYR - CLT

This flight was impacted by a nearly 4, yes 4 hour delay. They replaced a 777 with another one and it had to be cleaned and catered before we could depart. Great crew did it without complaint.

Related info for your journey

Find useful and relevant information for your journey from Trinidad to St. Louis. 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 into for flights to St. Louis from Trinidad?

    If you book a flight to St. Louis from Trinidad, you will be flying to Lambert-St Louis, which is the city’s only airport. Lambert-St Louis (STL) is located 12.7 mi from the center of St. Louis.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Trinidad to St. Louis 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 Trinidad to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Trinidad to St. Louis (average of $311). Flying from Trinidad to St. Louis in March is currently the most expensive (average of $356). 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

Traveling to a place near Trinidad?

Book flights to Trinidad if you plan to visit one of these locations
Fenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
O'Fallon

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Trinidad to St. Louis

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

Top airline flying from Trinidad to St. Louis

Discover the top airline that operate flights from Trinidad to St. Louis. 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$556Average$616FlexibilityNo cancel feeOn-time69%

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