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Port of Spain

$313+ Cheap flights from Missouri to Port of Spain (POS)

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
STL — POS
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
1 adult, Economy
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Cheap flight deals from Missouri to Port of Spain

Keep the following information in mind while searching for Missouri to Port of Spain flight deals. Data was last updated July 3, 2025.

Round-trip from

$605
(American Airlines)

One-way from

$313
(United Airlines)
From Missouri to Port of Spain Piarco Intl
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One-way flight from Missouri to Port of Spain Piarco Intl
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Find flight deals from Missouri to Port of Spain

Cheapest flights from Missouri to Port of Spain
Explore the most affordable flight options available from Missouri to Port of Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 3, 2025.

This American Airlines deal was found by Cheapflights users on 7/2. 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 8/195:26 amSTL - POS
1 stop7h 59mAmerican Airlines
Tue 10/77:00 amPOS - STL
1 stop17h 56mAmerican Airlines
Deal found 7/2$605
This United Airlines deal was found by Cheapflights users on 7/2. 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.
Tue 8/198:20 amSTL - POS
1 stop14h 03mUnited Airlines
Mon 10/612:30 amPOS - STL
1 stop10h 22mUnited Airlines
Deal found 7/2$660
This United Airlines deal was found by Cheapflights users on 7/3. 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 8/176:30 pmMCI - POS
1 stop27h 53mUnited Airlines
Sat 8/2312:30 amPOS - MCI
1 stop14h 43mUnited Airlines
Deal found 7/3$689
This American Airlines deal was found by Cheapflights users on 6/30. 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 10/285:00 amMCI - POS
1 stop8h 25mAmerican Airlines
Fri 10/317:00 amPOS - MCI
1 stop16h 59mAmerican Airlines
Deal found 6/30$708
This Booking.com deal was found by Cheapflights users on 7/1. 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.
Sun 11/98:00 amSTL - POS
2 stops15h 15mMultiple Airlines
Sun 11/162:45 pmPOS - STL
3 stops50h 44mMultiple Airlines
Deal found 7/1$1,504

Cheapflights Fare Finder

Customize your flight search to find flights from Missouri to Port of Spain 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 July 3, 2025.
Use the filters below to find and compare flights from Missouri to Port of Spain that are best for you.

Fly from

Missouri

Fly to

Port of Spain

Route

Depart

Return

Price

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Tue 8/19

5:26 am-2:25 pm

1 stop7h 59m

Port of Spain Piarco Intl

Tue 10/7

7:00 am-11:56 pm

1 stop17h 56m

$605

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Tue 8/19

8:20 am-11:23 pm

1 stop14h 03m

Port of Spain Piarco Intl

Mon 10/6

12:30 am-9:52 am

1 stop10h 22m

$660

Kansas CityPort of Spain

MCI - POS

MCIPOS

Kansas City

Sun 8/17

6:30 pm-11:23 pm

1 stop27h 53m

Port of Spain Piarco Intl

Sat 8/23

12:30 am-2:13 pm

1 stop14h 43m

$689

Kansas CityPort of Spain

MCI - POS

MCIPOS

Kansas City

Tue 10/28

5:00 am-2:25 pm

1 stop8h 25m

Port of Spain Piarco Intl

Fri 10/31

7:00 am-10:59 pm

1 stop16h 59m

$708

St. LouisPort of Spain

STL - POS

STLPOS

Lambert-St Louis

Sun 11/9

8:00 am-1:15 am

2 stops15h 15m

Port of Spain Piarco Intl

Sun 11/16

2:45 pm-3:29 pm

3 stops50h 44m

$1,504

Kansas CityPort of Spain

MCI - POS

MCIPOS

Kansas City

Wed 10/1

6:15 am-11:23 pm

1 stop16h 08m

$313

Kansas CityPort of Spain

MCI - POS

MCIPOS

Kansas City

Wed 10/1

2:45 pm-6:55 pm

3 stops27h 10m

$364

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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

Have a flexible travel schedule? Discover the best time to fly to Port of Spain from Missouri 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 Missouri to Port of Spain
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Port of Spain

Get insights into the airlines that provide service to Port of Spain. 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 Port of Spain. Reviews last updated July 3, 2025.
See what other customers who have flown with United Airlines and American Airlines from Missouri to Port of Spain have to say. 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
8,861 reviews

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,861 reviews
United Airlines
7.4
Good
8,861 reviews

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,861 reviews

Boarding

7.7

Entertainment

7.0

Comfort

7.3

Food

6.6

Overall

7.4

Crew

8.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

Related info for your journey

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

    Port of Spain Piarco Intl (POS), located 12.6 mi from the city center, is the airport you fly into when you book flights from Missouri to Port of Spain.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Missouri to Port of Spain (average of $435). Flying from Missouri to Port of Spain in December is currently the most expensive (average of $710). 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.

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Alternative routes for Missouri to Port of Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Missouri to Port of Spain

Discover the top 2 airlines that operate flights from Missouri to Port of Spain. 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$545Average$886FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$557Average$702FlexibilityNo cancel feeOn-time71%

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