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Port of Spain

$114+ 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 11/5. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — POS
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October, booked 86 days in advance, depart on a Monday or Thursday and return on a Thursday

Find 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 October 30, 2025.

This SmartFares deal was found by Cheapflights users on 10/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/22:10 pmMIA - POS
Nonstop3h 45mCaribbean Airlines
Thu 11/69:10 amPOS - MIA
Nonstop4h 05mCaribbean Airlines
Deal found 10/30$282
This American Airlines deal was found by Cheapflights users on 10/30. 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.
Sun 11/26:54 pmMIA - POS
Nonstop3h 45mAmerican Airlines
Wed 11/54:30 pmPOS - MIA
Nonstop4h 14mAmerican Airlines
Deal found 10/30$294
This Flightnetwork deal was found by Cheapflights users on 10/29. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/296:29 pmMIA - POS
1 stop7h 17mMultiple Airlines
Sun 11/29:10 amPOS - MIA
Nonstop4h 05mMultiple Airlines
Deal found 10/29$295
This Copa Airlines deal was found by Cheapflights users on 10/29. 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 11/2712:46 pmMIA - POS
1 stop12h 02mCopa Airlines
Wed 12/33:47 amPOS - MIA
1 stop12h 58mCopa Airlines
Deal found 10/29$297
This FlightHub deal was found by Cheapflights users on 10/30. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/13:10 pmMIA - POS
Nonstop3h 45mCaribbean Airlines
Thu 11/69:10 amPOS - MIA
Nonstop4h 05mCaribbean Airlines
Deal found 10/30$299
This American Airlines deal was found by Cheapflights users on 10/29. 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.
Wed 10/295:40 pmMIA - POS
Nonstop3h 40mAmerican Airlines
Sun 11/27:19 amPOS - MIA
Nonstop4h 06mAmerican Airlines
Deal found 10/29$300
This Caribbean Airlines deal was found by Cheapflights users on 10/30. 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 Caribbean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/3012:30 amMIA - POS
Nonstop3h 45mCaribbean Airlines
Thu 11/69:10 amPOS - MIA
Nonstop4h 05mCaribbean Airlines
Deal found 10/30$304
This Kiwi.com deal was found by Cheapflights users on 10/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/134:59 amMIA - POS
1 stop7h 18mCopa Airlines
Sat 11/153:48 amPOS - MIA
1 stop18h 34mCopa Airlines
Deal found 10/30$317
This Copa Airlines deal was found by Cheapflights users on 10/30. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/67:31 amMIA - POS
1 stop17h 17mCopa Airlines
Mon 11/102:26 pmPOS - MIA
1 stop11h 19mCopa Airlines
Deal found 10/30$318
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Thu 10/305:12 pmMIA - POS
1 stop8h 34mCopa Airlines
Wed 11/52:26 pmPOS - MIA
1 stop7h 56mCopa Airlines
Deal found 10/29$319
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Thu 10/3012:30 amMIA - POS
Nonstop3h 45mCaribbean Airlines
Sun 11/29:10 amPOS - MIA
Nonstop4h 05mCaribbean Airlines
Deal found 10/29$320
This SmartFares deal was found by Cheapflights users on 10/29. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/102:10 pmMIA - POS
Nonstop3h 45mCaribbean Airlines
Mon 12/159:10 amPOS - MIA
Nonstop4h 05mCaribbean Airlines
Deal found 10/29$321

Cheap 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 October 30, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$282
(SmartFares)

One-way from

$114
(Mytrip)

Popular in

December

Cheapest in

January

Average price

$298
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. 1% potential increase in price ($8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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 October 30, 2025.
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

Thu 11/13

12:46 pm-1:48 am

1 stop12h 02m

Port of Spain Piarco Intl

Thu 11/13

3:48 am-6:51 pm

1 stop16h 03m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Fri 11/28

4:10 pm-1:48 am

1 stop8h 38m

Port of Spain Piarco Intl

Thu 12/4

3:47 am-11:21 am

1 stop8h 34m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Thu 11/27

12:46 pm-1:48 am

1 stop12h 02m

Port of Spain Piarco Intl

Wed 12/3

3:47 am-3:45 pm

1 stop12h 58m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Mon 11/3

5:24 am-1:17 pm

1 stop6h 53m

Port of Spain Piarco Intl

Wed 11/5

3:48 am-6:51 pm

1 stop16h 03m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Tue 11/25

4:59 am-1:17 pm

1 stop7h 18m

Port of Spain Piarco Intl

Sat 12/6

3:47 am-1:36 pm

1 stop10h 49m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Wed 11/19

5:24 am-1:17 pm

1 stop6h 53m

Port of Spain Piarco Intl

Wed 11/26

2:26 pm-9:45 pm

1 stop8h 19m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Thu 11/6

7:31 am-1:48 am

1 stop17h 17m

Port of Spain Piarco Intl

Mon 11/10

2:26 pm-12:45 am

1 stop11h 19m

$318

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Fri 1/16

5:26 am-1:11 pm

1 stop6h 45m

Port of Spain Piarco Intl

Sat 1/17

3:40 am-6:56 pm

1 stop16h 16m

$318

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Sun 1/18

2:10 pm-6:55 pm

Nonstop3h 45m

$118

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Wed 1/28

2:10 pm-6:55 pm

Nonstop3h 45m

$118

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 19 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 October 24, 2025.

Booking 86 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, January is the cheapest month in which you can book a flight from Key Largo to Port of Spain (average of $122). Flying from Key Largo to Port of Spain in December is currently the most expensive (average of $281). 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 October 30, 2025.

It’s typically best to fly out from Key Largo to Port of Spain in the morning. Doing so could potentially save you 20% on the flight price compared to flying in the afternoon, 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 December 16, 2024.

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. Monday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 30, 2025.
Read reviews from past customers who have flown Caribbean Airlines, Copa Airlines, and United 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
8.0
Very good
194 reviews

Comfort

7.8

Entertainment

6.7

Crew

8.4

Overall

8.0

Boarding

8.1

Food

6.8

Reviews

1 / 14
8.0
Excellent

Boy,Oct 2025

YYZ - POS

A few selection of caribbean foods limit the pasta dish etc
Caribbean Airlines
8.0
Very good
194 reviews
Caribbean Airlines
8.0
Very good
194 reviews

Comfort

7.8

Entertainment

6.7

Crew

8.4

Overall

8.0

Boarding

8.1

Food

6.8

Reviews

1 / 14
8.0
Excellent

Boy,Oct 2025

YYZ - POS

A few selection of caribbean foods limit the pasta dish etc
Copa Airlines
7.6
Good
1,561 reviews
Caribbean Airlines
8.0
Very good
194 reviews

Comfort

7.8

Entertainment

6.7

Crew

8.4

Overall

8.0

Boarding

8.1

Food

6.8

Reviews

1 / 14
8.0
Excellent

Boy,Oct 2025

YYZ - POS

A few selection of caribbean foods limit the pasta dish etc
United Airlines
7.4
Good
8,996 reviews
Caribbean Airlines
8.0
Very good
194 reviews

Comfort

7.8

Entertainment

6.7

Crew

8.4

Overall

8.0

Boarding

8.1

Food

6.8

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
11,034 reviews
Caribbean Airlines
8.0
Very good
194 reviews

Comfort

7.8

Entertainment

6.7

Crew

8.4

Overall

8.0

Boarding

8.1

Food

6.8

Reviews

1 / 14
8.0
Excellent

Boy,Oct 2025

YYZ - POS

A few selection of caribbean foods limit the pasta dish etc
Frontier
5.8
Fair
3,123 reviews
Caribbean Airlines
8.0
Very good
194 reviews

Comfort

7.8

Entertainment

6.7

Crew

8.4

Overall

8.0

Boarding

8.1

Food

6.8

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, 36 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 12h 02m. Airlines will cover a distance of 1623 mi.

  • 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 Caribbean Airlines (80%), American Airlines (75%) and Qatar Airways (72%).

  • 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 $253, our data indicates the cheapest price to be $113. The most popular route (Miami - Port of Spain Piarco Intl), is priced around $282.

  • 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, January is the cheapest month in which you can book a flight from Key Largo to Port of Spain (average of $122). Flying from Key Largo to Port of Spain in December is currently the most expensive (average of $281). 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$84Average$345FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$177Average$672FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$208Average$423FlexibilityNo cancel feeOn-time69%
Caribbean AirlinesCheapest$273Average$392FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$291Average$395FlexibilityNo cancel feeOn-time71%

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