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$613+ 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 1/14. Fares are subject to change and may not be available on all flights or dates of travel.
POS — STL
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
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 November 6, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$463
(Priceline)
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

Cheapest flights from Port of Spain to Missouri
Explore the most affordable flight options available from Port of Spain to Missouri. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This United Airlines deal was found by Cheapflights users on 11/5. 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.
Fri 12/51:30 amPOS - STL
2 stops23h 15mUnited Airlines
Sun 12/146:15 amSTL - POS
1 stop16h 08mUnited Airlines
Deal found 11/5$634
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/11:30 amPOS - STL
1 stop10h 34mUnited Airlines
Tue 12/96:15 amSTL - POS
1 stop16h 08mUnited Airlines
Deal found 11/5$641
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/171:30 amPOS - STL
1 stop10h 19mUnited Airlines
Sun 12/286:00 amSTL - POS
1 stop16h 23mUnited Airlines
Deal found 11/5$735
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Sat 12/64:33 pmPOS - STL
2 stops18h 08mAmerican Airlines
Sun 12/146:00 amSTL - POS
2 stops15h 59mAmerican Airlines
Deal found 11/5$746
This United Airlines deal was found by Cheapflights users on 11/5. 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 12/211:30 amPOS - STL
1 stop10h 19mUnited Airlines
Mon 12/296:35 pmSTL - POS
2 stops28h 30mUnited Airlines
Deal found 11/5$765
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Thu 12/186:02 amPOS - STL
1 stop13h 49mAmerican Airlines
Sun 12/286:35 pmSTL - POS
2 stops19h 11mAmerican Airlines
Deal found 11/5$772
This American Airlines deal was found by Cheapflights users on 11/5. 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.
Mon 12/224:46 pmPOS - STL
2 stops18h 10mAmerican Airlines
Mon 12/295:05 amSTL - POS
1 stop8h 41mAmerican Airlines
Deal found 11/5$795

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 November 6, 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

Wed 1/14

6:30 am-5:22 pm

1 stop12h 52m

Lambert-St Louis

Wed 5/27

5:25 am-2:05 pm

1 stop7h 40m

$613

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Thu 1/15

6:30 am-5:22 pm

1 stop12h 52m

Lambert-St Louis

Thu 5/28

5:25 am-2:05 pm

1 stop7h 40m

$613

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Fri 12/5

1:30 am-12:15 pm

2 stops36h 45m

Lambert-St Louis

Sun 12/14

6:30 am-12:23 am

2 stops15h 53m

$634

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Sat 2/28

1:30 am-3:38 pm

1 stop16h 08m

Lambert-St Louis

Tue 3/3

6:00 am-12:23 am

1 stop16h 23m

$637

Port of SpainSt. Louis

POS - STL

POSSTL

Port of Spain Piarco Intl

Mon 12/1

1:30 am-10:04 am

1 stop10h 34m

Lambert-St Louis

Tue 12/9

6:15 am-12:23 am

1 stop16h 08m

$641

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

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 12h 52m. American Airlines provides one of the quickest options available for as low as $613. Airlines will cover a distance of 2641 mi. This flight may include one or multiple stops.

  • 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.

See more FAQs

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