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$291+ Cheap flights from Port of Spain (POS) 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
POS — STL
Jan 26 — Feb 21
Sun 1/26
Sun 2/2
1 adult, Economy
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Cheap flight deals from Port of Spain to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Port of Spain (POS) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 21, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$618
(United Airlines)

One-way from

$291
(Kiwi.com)
Provider with most accurate pricing for Port of Spain Piarco Intl-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Port of Spain Piarco Intl-Lambert-St Louis flights.
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From Port of Spain Piarco Intl to Lambert-St Louis
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One-way flight from Port of Spain Piarco Intl to Lambert-St Louis
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Find flight deals from Port of Spain to St. Louis

Cheapest flights from Port of Spain to St. Louis
Explore the most affordable flight options available from Port of Spain to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This United Airlines deal was found by Cheapflights users on 1/20. 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 2/172:20 amPOS - STL
2 stops14h 16mUnited Airlines
Fri 4/183:40 pmSTL - POS
2 stops30h 43mUnited Airlines
Deal found 1/20$618
This American Airlines deal was found by Cheapflights users on 1/20. 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 2/184:35 pmPOS - STL
1 stop9h 05mAmerican Airlines
Fri 4/187:03 pmSTL - POS
2 stops18h 06mAmerican Airlines
Deal found 1/20$772
This Booking.com deal was found by Cheapflights users on 1/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/22:55 pmPOS - STL
1 stop25h 21mMultiple Airlines
Sun 7/134:05 pmSTL - POS
1 stop11h 35mMultiple Airlines
Deal found 1/20$2,354

Find flights from Port of Spain to St. Louis within your budget

Customize your flight search to find flights from Port of Spain 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Mon 2/17

1:30 am-3:40 pm

2 stops16h 10m

Lambert-St Louis

Fri 4/18

11:00 am-11:23 pm

1 stop11h 23m

$618

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Tue 2/18

4:35 pm-2:55 pm

2 stops24h 20m

Lambert-St Louis

Fri 4/18

7:03 pm-2:09 pm

2 stops18h 06m

$772

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Wed 7/2

2:55 pm-3:16 pm

1 stop25h 21m

Lambert-St Louis

Sun 7/13

4:05 pm-4:40 am

1 stop11h 35m

$2,354

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Sat 3/1

6:57 pm-2:42 pm

3 stops21h 45m

$291

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Fri 2/28

2:20 am-11:57 am

1 stop11h 37m

$420

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Sat 3/1

4:28 pm-11:40 pm

1 stop9h 12m

$636

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Compare providers for flights from Port of Spain to St. Louis

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Port of Spain to St. Louis in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy2 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Port of Spain-St. Louis flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Port of Spain-St. Louis flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Port of Spain-St. Louis flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Port of Spain-St. Louis flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Port of Spain-St. Louis flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Port of Spain to St. Louis

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

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

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 January 21, 2025.
United Airlines
7.4
Good
8,982 reviews

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

United Airlines
7.4
Good
8,982 reviews
United Airlines
7.4
Good
8,982 reviews

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,982 reviews

Crew

8.1

Entertainment

7.1

Food

6.7

Boarding

7.7

Overall

7.4

Comfort

7.3

Reviews

1 / 10

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

Related info for your journey

Find useful and relevant information for your journey from Port of Spain 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 are the cheapest airlines flying from Port of Spain to St. Louis round-trip?

    Our cheapest airline available from Port of Spain to St. Louis is United Airlines. Our recent data shows that you can find tickets from as low as $618 on this airline. An additional option worth looking into is American Airlines, starting at $772.

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

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

  • How can I find direct flights from Port of Spain to St. Louis?

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

  • Can I find deals for business class flights from Port of Spain to St. Louis?

    Yes. Cheapflights offers flight deals from Port of Spain 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 Port of Spain to St. Louis?

    Currently, August is the cheapest month in which you can book a flight from Port of Spain to St. Louis (average of $311). Flying from Port of Spain 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 Port of Spain?

Book flights to Port of Spain if you plan to visit one of these locations
Fenton
Fairview Heights
Maryland Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Alton
Farmington
Chesterfield

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Top 2 airlines flying from Port of Spain to St. Louis

Discover the top 2 airlines that operate flights from Port of Spain 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 January 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$556Average$708FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$556Average$698FlexibilityNo cancel feeOn-time71%
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