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Port of Spain

$123+ 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 1/13. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — POS
Jan 21 — Jan 281
Wed 1/21
Wed 1/28
1 adult, Economy
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1. Tell us where you want to go

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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 53 days in advance, depart on a Monday or Thursday 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 December 22, 2025.

This Copa Airlines deal was found by Cheapflights users on 12/22. 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 12/2512:47 pmMIA - POS
1 stop12h 26mCopa Airlines
Mon 12/293:13 amPOS - MIA
1 stop9h 08mCopa Airlines
Deal found 12/22$318
This Copa Airlines deal was found by Cheapflights users on 12/20. 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 12/257:32 amMIA - POS
1 stop17h 41mCopa Airlines
Fri 1/93:13 amPOS - MIA
1 stop9h 04mCopa Airlines
Deal found 12/20$323
This Kiwi.com deal was found by Cheapflights users on 12/20. 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 12/254:10 pmMIA - POS
1 stop20h 23mCopa Airlines
Wed 12/312:28 pmPOS - MIA
1 stop8h 17mCopa Airlines
Deal found 12/20$334
This Copa Airlines deal was found by Cheapflights users on 12/22. 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.
Fri 12/262:03 pmMIA - POS
1 stop11h 10mCopa Airlines
Mon 12/293:13 amPOS - MIA
1 stop9h 08mCopa Airlines
Deal found 12/22$339
This Copa Airlines deal was found by Cheapflights users on 12/21. 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 12/2712:47 pmMIA - POS
1 stop12h 26mCopa Airlines
Fri 1/93:13 amPOS - MIA
1 stop9h 04mCopa Airlines
Deal found 12/21$349
This Kiwi.com deal was found by Cheapflights users on 12/20. 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.
Fri 12/262:03 pmMIA - POS
1 stop11h 10mCopa Airlines
Wed 12/312:28 pmPOS - MIA
1 stop11h 17mCopa Airlines
Deal found 12/20$356
This Kiwi.com deal was found by Cheapflights users on 12/21. 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 12/255:27 pmMIA - POS
1 stop7h 46mCopa Airlines
Wed 12/313:13 amPOS - MIA
1 stop9h 04mCopa Airlines
Deal found 12/21$362
This Kiwi.com deal was found by Cheapflights users on 12/21. 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.
Fri 12/262:03 pmMIA - POS
1 stop11h 10mCopa Airlines
Mon 12/292:28 pmPOS - MIA
1 stop21h 53mCopa Airlines
Deal found 12/21$367

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 December 22, 2025.

Most accurate provider

Mytrip
3 stars

Most trusted provider

Mytrip
3 stars

Round-trip from

$285
(Booking.com)

One-way from

$123
(American Airlines)

Popular in

December

Cheapest in

January

Average price

$581
Provider with most accurate pricing for Miami-Port of Spain Piarco Intl flight deals.
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Provider most trusted by Cheapflights users for Miami-Port of Spain Piarco Intl flights.
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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 ($5 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 22, 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

Wed 1/14

5:26 am-1:33 pm

1 stop7h 07m

Port of Spain Piarco Intl

Sat 1/17

3:13 am-3:41 pm

1 stop13h 28m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Thu 2/26

4:12 pm-2:13 am

1 stop9h 01m

Port of Spain Piarco Intl

Mon 3/2

3:46 am-1:31 pm

1 stop10h 45m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Thu 1/29

12:49 pm-2:13 am

1 stop12h 24m

Port of Spain Piarco Intl

Mon 2/2

3:13 am-6:56 pm

1 stop16h 43m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Mon 1/19

5:29 pm-2:13 am

1 stop7h 44m

Port of Spain Piarco Intl

Wed 1/21

3:13 am-11:32 am

1 stop9h 19m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Tue 1/20

11:22 am-2:13 am

1 stop13h 51m

Port of Spain Piarco Intl

Mon 1/26

3:13 am-3:41 pm

1 stop13h 28m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Fri 1/30

5:29 pm-2:13 am

1 stop7h 44m

Port of Spain Piarco Intl

Mon 2/9

3:13 am-1:32 pm

1 stop11h 19m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Mon 1/19

7:34 am-2:13 am

1 stop17h 39m

Port of Spain Piarco Intl

Mon 1/26

2:28 pm-12:37 am

1 stop11h 09m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Fri 1/16

5:29 pm-2:13 am

1 stop7h 44m

Port of Spain Piarco Intl

Sat 1/17

3:13 am-11:17 am

1 stop9h 04m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Thu 1/8

11:22 am-2:13 am

1 stop13h 51m

Port of Spain Piarco Intl

Wed 1/14

2:28 pm-9:43 pm

1 stop8h 15m

$297

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Wed 1/21

2:10 pm-6:55 pm

Nonstop3h 45m

Port of Spain Piarco Intl

Fri 1/23

9:10 am-12:15 pm

Nonstop4h 05m

$304

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/19

Showing 1-10 of 23 results
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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 December 19, 2025.

Booking 53 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 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 December 22, 2025.

It’s typically best to fly out from Key Largo to Port of Spain in the afternoon. Doing so could potentially save you 24% on the flight price compared to flying in the evening, 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. 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 December 22, 2025.

The most flights from KE9 to POS are scheduled on a Monday (6 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Key Largo to Port of Spain?

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 December 22, 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
209 reviews

Boarding

8.0

Overall

8.0

Comfort

7.8

Food

6.8

Crew

8.4

Entertainment

6.6

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
209 reviews
Caribbean Airlines
8.0
Very good
209 reviews

Boarding

8.0

Overall

8.0

Comfort

7.8

Food

6.8

Crew

8.4

Entertainment

6.6

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
1,558 reviews
Caribbean Airlines
8.0
Very good
209 reviews

Boarding

8.0

Overall

8.0

Comfort

7.8

Food

6.8

Crew

8.4

Entertainment

6.6

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
9,102 reviews
Caribbean Airlines
8.0
Very good
209 reviews

Boarding

8.0

Overall

8.0

Comfort

7.8

Food

6.8

Crew

8.4

Entertainment

6.6

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
11,051 reviews
Caribbean Airlines
8.0
Very good
209 reviews

Boarding

8.0

Overall

8.0

Comfort

7.8

Food

6.8

Crew

8.4

Entertainment

6.6

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
3,079 reviews
Caribbean Airlines
8.0
Very good
209 reviews

Boarding

8.0

Overall

8.0

Comfort

7.8

Food

6.8

Crew

8.4

Entertainment

6.6

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 4 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, 37 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 7h 07m. Airlines will cover a distance of 1623 mi.

  • 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 $111 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 (67%), Qatar Airways (66%) and Caribbean Airlines (59%).

  • 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 $353, our data indicates the cheapest price to be $118. The most popular route (Miami - Port of Spain Piarco Intl), is priced around $279.

  • 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 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.

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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 December 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$160Average$345FlexibilityNo cancel feeOn-time62%
Copa AirlinesCheapest$160Average$643FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$208Average$423FlexibilityNo cancel feeOn-time69%
Caribbean AirlinesCheapest$273Average$393FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$293Average$383FlexibilityNo cancel feeOn-time71%

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