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$637+ Cheap flights from Port of Spain (POS) to Missouri

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 2/28. Fares are subject to change and may not be available on all flights or dates of travel.
POS — STL
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheap flight deals from Port of Spain to Missouri

Keep the following information in mind while searching for Port of Spain to Missouri flight deals. Data was last updated October 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$637
(United Airlines)
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 Missouri
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Find flight deals from Port of Spain to Missouri

Best flights from Port of Spain to Missouri
Discover carefully curated flight deals from Port of Spain to Missouri that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 29, 2025.

This United Airlines deal was found by Cheapflights users on 10/26. 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.
Sat 2/281:30 amPOS - STL
1 stop9h 53mUnited Airlines
Tue 3/310:10 amSTL - POS
1 stop12h 13mUnited Airlines
Deal found 10/26$637
This American Airlines deal was found by Cheapflights users on 10/26. 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 3/14:47 pmPOS - STL
2 stops21h 40mAmerican Airlines
Tue 3/35:56 pmSTL - POS
2 stops19h 34mAmerican Airlines
Deal found 10/26$771

Cheapflights Fare Finder

 
Customize your flight search to find flights from Port of Spain to Missouri 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 29, 2025.
Use the filters below to find and compare flights from Port of Spain to Missouri that are best for you.

Fly from

Port of Spain

Fly to

Missouri

Route

Depart

Return

Price

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Sat 2/28

1:30 am-9:23 am

1 stop9h 53m

Lambert-St Louis

Tue 3/3

10:10 am-12:23 am

1 stop12h 13m

$637

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Sun 3/1

4:47 pm-12:27 pm

2 stops21h 40m

Lambert-St Louis

Tue 3/3

5:56 pm-3:30 pm

2 stops19h 34m

$771

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Best time to book a flight from Port of Spain to Missouri

Have a flexible travel schedule? Discover the best time to fly to Missouri 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.

Cheapflights Insights

Everything you need to know about your flight from Port of Spain to Missouri
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Port of Spain to Missouri. 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 Port of Spain to Missouri?

    If you book a flight to Missouri from Port of Spain, you will be flying from Piarco Intl, which is the city’s only airport. Port of Spain Piarco Intl (POS) is located 12.6 mi from the center of Port of Spain.

  • How long is the flight from Port of Spain to Missouri?

    A quick flight from Port of Spain to Missouri can take about 9h 53m. United Airlines provides one of the quickest options available for as low as $637. Airlines will cover a distance of 2641 mi.

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

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

  • How can I find direct flights from Port of Spain to Missouri?

    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 Missouri.

  • Can I find deals for business class flights from Port of Spain to Missouri?

    Yes. Cheapflights offers flight deals from Port of Spain to Missouri by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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