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Port of Spain

$107+ Cheap flights from Key Largo, FL 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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — POS
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
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Cheapflights Tip: The best prices from Key Largo to Port of Spain Piarco Intl are usually found in January or September, booked 71 days in advance, depart on a Thursday or Monday and return on a Sunday

Cheap flight deals from Key Largo to Port of Spain

Cheapest flights from Key Largo to Port of Spain
Explore the most affordable flight options available from Key Largo to Port of Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 19, 2026.

This American Airlines deal was found by Cheapflights users on 2/18. 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 6/2310:10 am
MIA
-
POS
Nonstop4h 01m
American Airlines
Tue 7/147:00 am
POS
-
MIA
Nonstop4h 10m
American Airlines
Deal found 2/18$295
This Copa Airlines deal was found by Cheapflights users on 2/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/75:27 pm
MIA
-
POS
1 stop7h 19m
Copa Airlines
Thu 3/123:46 am
POS
-
MIA
1 stop8h 21m
Copa Airlines
Deal found 2/18$298
This FlightHub deal was found by Cheapflights users on 2/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/23:10 pm
MIA
-
POS
Nonstop3h 45m
Caribbean Airlines
Mon 6/89:10 am
POS
-
MIA
Nonstop4h 05m
Caribbean Airlines
Deal found 2/16$300
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/263:10 pm
MIA
-
POS
Nonstop3h 45m
Caribbean Airlines
Sun 5/39:10 am
POS
-
MIA
Nonstop4h 05m
Caribbean Airlines
Deal found 2/15$304
This Kiwi.com deal was found by Cheapflights users on 2/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/32:10 pm
MIA
-
POS
Nonstop3h 45m
Caribbean Airlines
Thu 3/129:10 am
POS
-
MIA
Nonstop4h 05m
Caribbean Airlines
Deal found 2/16$305
This Copa Airlines deal was found by Cheapflights users on 2/18. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/55:27 pm
MIA
-
POS
1 stop7h 19m
Copa Airlines
Thu 3/53:46 am
POS
-
MIA
1 stop16h 09m
Copa Airlines
Deal found 2/18$308
This Trip.com deal was found by Cheapflights users on 2/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/163:10 pm
MIA
-
POS
Nonstop3h 45m
Caribbean Airlines
Mon 4/209:10 am
POS
-
MIA
Nonstop4h 05m
Caribbean Airlines
Deal found 2/18$310
This Gotogate deal was found by Cheapflights users on 2/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/242:10 pm
MIA
-
POS
Nonstop3h 45m
Caribbean Airlines
Sun 3/19:10 am
POS
-
MIA
Nonstop4h 05m
Caribbean Airlines
Deal found 2/15$314
This Kiwi.com deal was found by Cheapflights users on 2/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/163:10 pm
MIA
-
POS
Nonstop3h 45m
Caribbean Airlines
Mon 3/239:10 am
POS
-
MIA
Nonstop4h 05m
Caribbean Airlines
Deal found 2/15$317
This Cheapflightsfares deal was found by Cheapflights users on 2/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/103:10 pm
MIA
-
POS
Nonstop3h 45m
Caribbean Airlines
Fri 5/229:10 am
POS
-
MIA
Nonstop4h 05m
Caribbean Airlines
Deal found 2/17$318
This American Airlines deal was found by Cheapflights users on 2/16. 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 3/3110:14 am
MIA
-
POS
Nonstop3h 56m
American Airlines
Tue 4/283:47 pm
POS
-
MIA
Nonstop4h 18m
American Airlines
Deal found 2/16$321
This Mytrip deal was found by Cheapflights users on 2/15. 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 6/93:10 pm
MIA
-
POS
Nonstop3h 45m
Caribbean Airlines
Fri 8/219:10 am
POS
-
MIA
Nonstop4h 05m
Caribbean Airlines
Deal found 2/15$323

Find flight deals from Key Largo to Port of Spain

Keep the following information in mind while searching for Key Largo to Port of Spain flight deals. Data was last updated February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$295
(American Airlines)

One-way from

$107
(Mytrip)

Popular in

February

Cheapest in

January

Average price

$627
Provider with most accurate pricing for Miami-Port of Spain Piarco Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Miami-Port of Spain Piarco Intl flights.
Search Deals
From Key Largo to Port of Spain Piarco Intl
Search Deals
One-way flight from Key Largo to Port of Spain Piarco Intl
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($21 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Key Largo 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 February 19, 2026.
Use the filters below to find and compare flights from Key Largo to Port of Spain that are best for you.

Fly from

Key Largo

Fly to

Port of Spain

Route

Depart

Return

Price

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Tue 6/23

10:10 am-2:11 pm

Nonstop4h 01m

Port of Spain Piarco Intl

Tue 7/14

7:00 am-11:10 am

Nonstop4h 10m

$295

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Fri 3/6

2:10 pm-6:55 pm

Nonstop3h 45m

Port of Spain Piarco Intl

Mon 3/9

9:10 am-1:15 pm

Nonstop4h 05m

$305

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Wed 3/4

5:27 pm-1:46 am

1 stop7h 19m

Port of Spain Piarco Intl

Tue 3/10

3:46 am-4:40 pm

1 stop12h 54m

$308

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Mon 3/16

8:34 am-1:46 am

1 stop17h 12m

Port of Spain Piarco Intl

Tue 3/17

3:46 am-2:31 pm

1 stop10h 45m

$308

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Thu 3/26

6:27 pm-1:46 am

1 stop7h 19m

Port of Spain Piarco Intl

Tue 4/7

3:44 am-7:58 pm

1 stop16h 14m

$308

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Tue 3/3

11:20 am-1:46 am

1 stop13h 26m

Port of Spain Piarco Intl

Fri 3/6

2:16 pm-9:24 pm

1 stop8h 08m

$308

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Wed 4/1

6:24 am-1:10 pm

1 stop6h 46m

Port of Spain Piarco Intl

Tue 4/28

3:44 am-2:42 pm

1 stop10h 58m

$308

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Fri 3/6

5:27 pm-1:46 am

1 stop7h 19m

Port of Spain Piarco Intl

Sat 3/7

3:46 am-4:40 pm

1 stop12h 54m

$308

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Fri 3/20

6:27 pm-1:46 am

1 stop7h 19m

Port of Spain Piarco Intl

Mon 3/23

3:46 am-4:40 pm

1 stop12h 54m

$308

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Thu 3/5

12:58 pm-1:46 am

1 stop11h 48m

Port of Spain Piarco Intl

Sat 3/7

3:46 am-4:40 pm

1 stop12h 54m

$308

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/18

Showing 1-10 of 20 results
1
2

Best time to book a flight from Key Largo to Port of Spain

Have a flexible travel schedule? Discover the best time to fly to Port of Spain from Key Largo 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 Key Largo to Port of Spain

How far ahead should I book a flight from Key Largo to Port of Spain?

Use this chart to determine the optimal time to book a round-trip flight from Key Largo to Port of Spain. Price data was last updated on February 18, 2026.

Booking 71 days in advance of your planned departure date is, on average, the best time to get cheap flights from Key Largo to Port of Spain. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Key Largo to Port of Spain?

Currently, March is the cheapest month in which you can book a flight from Key Largo to Port of Spain (average of $129). Flying from Key Largo to Port of Spain in November is currently the most expensive (average of $282). 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.

What is the cheapest time of day to fly from KE9 to POS?

Find hourly flight availability from Key Largo to Port of Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 19, 2026.

It’s typically best to fly out from Key Largo to Port of Spain in the evening. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Key Largo to Port of Spain?

Use this chart to determine the cheapest time to fly round-trip from Key Largo to Port of Spain. Price data was last updated on February 17, 2026.

Travelers seeking maximum savings on their Key Largo to Port of Spain flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Key Largo to Port of Spain

Explore weekly flight availability from Key Largo to Port of Spain. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated February 19, 2026.

The most flights from KE9 to POS are scheduled on a Wednesday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).

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 February 19, 2026.
Read reviews from past customers who have flown Caribbean Airlines, Copa Airlines, and American Airlines from Key Largo to Port of Spain. 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.
Caribbean Airlines
7.9
Good
214 reviews

Comfort

7.8

Entertainment

6.6

Crew

8.3

Overall

7.9

Boarding

7.9

Food

6.7

Reviews

1 / 14
8.0
Excellent

Boy,Oct 2025

YYZ - POS

A few selection of caribbean foods limit the pasta dish etc
Caribbean Airlines
7.9
Good
214 reviews
Caribbean Airlines
7.9
Good
214 reviews

Comfort

7.8

Entertainment

6.6

Crew

8.3

Overall

7.9

Boarding

7.9

Food

6.7

Reviews

1 / 14
8.0
Excellent

Boy,Oct 2025

YYZ - POS

A few selection of caribbean foods limit the pasta dish etc
Copa Airlines
7.5
Good
1,556 reviews
Caribbean Airlines
7.9
Good
214 reviews

Comfort

7.8

Entertainment

6.6

Crew

8.3

Overall

7.9

Boarding

7.9

Food

6.7

Reviews

1 / 14
8.0
Excellent

Boy,Oct 2025

YYZ - POS

A few selection of caribbean foods limit the pasta dish etc
American Airlines
7.2
Good
11,308 reviews
Caribbean Airlines
7.9
Good
214 reviews

Comfort

7.8

Entertainment

6.6

Crew

8.3

Overall

7.9

Boarding

7.9

Food

6.7

Reviews

1 / 14
8.0
Excellent

Boy,Oct 2025

YYZ - POS

A few selection of caribbean foods limit the pasta dish etc

Related info for your journey

Find useful and relevant information for your journey from Key Largo 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 Key Largo?

    If you book a flight to Port of Spain from Key Largo, you will be flying to 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. There are 2 flights from Key Largo to Piarco Intl per day from 5 different airlines.

  • How popular is this Key Largo to Port of Spain flight route?

    Within the past month, 34 users have taken a look at flights from Key Largo to Port of Spain Piarco Intl.

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

    Departing from Key Largo to Port of Spain will take you 3h 45m. Airlines will cover a distance of 1623 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Key Largo to Port of Spain one-way?

    One-way options have recently been found by users for as low as $51 on Frontier. Other airlines that offer cheap prices include Caribbean Airlines from $113 and American Airlines from $123 one-way.

  • What are the most reliable airlines from Key Largo to Port of Spain?

    The top 3 most reliable airlines when flying from Key Largo to Port of Spain are American Airlines (89%), Qatar Airways (86%) and Caribbean Airlines (68%).

  • What are the cheapest flights from Key Largo to Port of Spain?

    Looking for the cheapest flight from Key Largo to Port of Spain? While on average our users pay $290, our data indicates the cheapest price to be $119. The most popular route (Miami - Port of Spain Piarco Intl), is priced around $275.

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

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

  • How can I find direct flights from Key Largo 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 Key Largo to Port of Spain.

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

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

    Currently, March is the cheapest month in which you can book a flight from Key Largo to Port of Spain (average of $129). Flying from Key Largo to Port of Spain in November is currently the most expensive (average of $282). 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

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Top 5 airlines flying from Key Largo to Port of Spain

Discover the top 5 airlines that operate flights from Key Largo 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 February 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$150Average$502FlexibilityNo cancel feeOn-time70%
JetBlueCheapest$197Average$632FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$218Average$468FlexibilityNo cancel feeOn-time69%
Caribbean AirlinesCheapest$273Average$385FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$293Average$384FlexibilityNo cancel feeOn-time71%

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