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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 8/6. Fares are subject to change and may not be available on all flights or dates of travel.
MIA — POS
Aug 6 — Aug 131
Wed 8/6
Wed 8/13
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 October or January, booked 69 days in advance, depart on a Monday or Sunday and return on a Thursday

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 August 1, 2025.

Round-trip from

$284
(Cheapflightsfares)

One-way from

$123
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$479
From Key Largo to Port of Spain Piarco Intl
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One-way flight from Key Largo to Port of Spain Piarco Intl
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High demand for flights, 2% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($13 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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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 August 1, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 8/1. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/183:10 pmMIA - POS
Nonstop3h 45mCaribbean Airlines
Fri 10/249:10 amPOS - MIA
Nonstop4h 05mCaribbean Airlines
Deal found 8/1$284
This American Airlines deal was found by Cheapflights users on 8/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1110:23 amMIA - POS
Nonstop3h 53mAmerican Airlines
Tue 9/163:25 pmPOS - MIA
Nonstop4h 02mAmerican Airlines
Deal found 8/1$294
This Copa Airlines deal was found by Cheapflights users on 7/31. 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 10/106:09 amMIA - POS
1 stop7h 08mCopa Airlines
Fri 10/242:40 pmPOS - MIA
1 stop11h 02mCopa Airlines
Deal found 7/31$296
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 8/103:10 pmMIA - POS
Nonstop3h 45mMultiple Airlines
Mon 8/252:38 pmPOS - MIA
1 stop7h 48mMultiple Airlines
Deal found 7/31$320

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 August 1, 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

Sat 10/18

3:10 pm-6:55 pm

Nonstop3h 45m

Port of Spain Piarco Intl

Fri 10/24

9:10 am-1:15 pm

Nonstop4h 05m

$284

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Thu 9/11

10:23 am-2:16 pm

Nonstop3h 53m

Port of Spain Piarco Intl

Tue 9/16

3:25 pm-7:27 pm

Nonstop4h 02m

$294

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Fri 10/10

6:29 pm-1:46 am

1 stop7h 17m

Port of Spain Piarco Intl

Fri 10/24

2:40 pm-10:26 pm

1 stop7h 46m

$296

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Sun 8/10

3:10 pm-6:55 pm

Nonstop3h 45m

Port of Spain Piarco Intl

Thu 8/21

3:49 am-10:42 pm

1 stop18h 53m

$320

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Wed 8/6

5:46 pm-9:36 pm

Nonstop3h 50m

$123

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Wed 8/6

6:10 am-1:17 pm

1 stop7h 07m

$125

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Fri 10/3

3:10 pm-6:55 pm

Nonstop3h 45m

$126

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Fri 8/15

7:00 am-11:23 pm

1 stop16h 23m

$163

MiamiPort of Spain

MIA - POS

MIAPOS

Miami

Tue 8/12

10:10 am-6:10 pm

1 stop8h 00m

$191

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/1

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 July 25, 2025.

Booking 69 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, October is the cheapest month in which you can book a flight from Key Largo to Port of Spain (average of $435). Flying from Key Largo 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.

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 August 1, 2025.

When flying from Key Largo to Port of Spain, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 August 1, 2025.

The most flights from KE9 to POS are scheduled on a Monday (6 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (3 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 August 1, 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
8.1
Very good
166 reviews

Entertainment

6.7

Crew

8.4

Overall

8.1

Comfort

7.9

Boarding

8.1

Food

6.8

Reviews

1 / 10
6.0
Good

Anonymous,Jul 2025

GEO - POS

The crew was welcoming and helpful. No entertainment no meal only a drink.
Caribbean Airlines
8.1
Very good
166 reviews
Caribbean Airlines
8.1
Very good
166 reviews

Entertainment

6.7

Crew

8.4

Overall

8.1

Comfort

7.9

Boarding

8.1

Food

6.8

Reviews

1 / 10
6.0
Good

Anonymous,Jul 2025

GEO - POS

The crew was welcoming and helpful. No entertainment no meal only a drink.
Copa Airlines
7.5
Good
1,493 reviews
Caribbean Airlines
8.1
Very good
166 reviews

Entertainment

6.7

Crew

8.4

Overall

8.1

Comfort

7.9

Boarding

8.1

Food

6.8

Reviews

1 / 10
6.0
Good

Anonymous,Jul 2025

GEO - POS

The crew was welcoming and helpful. No entertainment no meal only a drink.
United Airlines
7.4
Good
8,904 reviews
Caribbean Airlines
8.1
Very good
166 reviews

Entertainment

6.7

Crew

8.4

Overall

8.1

Comfort

7.9

Boarding

8.1

Food

6.8

Reviews

1 / 10
6.0
Good

Anonymous,Jul 2025

GEO - POS

The crew was welcoming and helpful. No entertainment no meal only a drink.
American Airlines
7.2
Good
10,000 reviews
Caribbean Airlines
8.1
Very good
166 reviews

Entertainment

6.7

Crew

8.4

Overall

8.1

Comfort

7.9

Boarding

8.1

Food

6.8

Reviews

1 / 10
6.0
Good

Anonymous,Jul 2025

GEO - POS

The crew was welcoming and helpful. No entertainment no meal only a drink.

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, 19 users have taken a look at flights from Key Largo to Port of Spain Piarco Intl.

  • 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 $123 on American Airlines. Other airlines that offer cheap prices include Copa Airlines from $125 and Caribbean Airlines from $126 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 (90%), Qatar Airways (90%) and Caribbean Airlines (81%).

  • 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 $264, our data indicates the cheapest price to be $112. The most popular route (Miami - Port of Spain Piarco Intl), is priced around $273.

  • 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, October is the cheapest month in which you can book a flight from Key Largo to Port of Spain (average of $435). Flying from Key Largo 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.

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 August 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$141Average$423FlexibilityNo cancel feeOn-time70%
FrontierCheapest$153Average$189FlexibilityNo cancel feeOn-time62%
Caribbean AirlinesCheapest$272Average$406FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$284Average$407FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$378Average$487FlexibilityNo cancel feeOn-time69%

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