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Port of Spain

$921+ Cheap flights from Islip, NY (ISP) to Port of Spain (POS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.
ISP — POS
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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Cheap flight deals from Islip to Port of Spain

Discover tips and strategies to find the most affordable flight options for your journey from Islip (ISP) to Port of Spain (POS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated January 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Popular in

February

Cheapest in

November

Average price

$427
Provider with most accurate pricing for Islip Long Island-Port of Spain Piarco Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Islip Long Island-Port of Spain Piarco Intl flights.
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Highest demand for flights based on searches. 11% potential increase in price ($64 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Islip to Port of Spain

Cheapest flights from Islip to Port of Spain
Explore the most affordable flight options available from Islip to Port of Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.

This Kiwi.com deal was found by Cheapflights users on 1/15. 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 3/28:23 am
ISP
-
POS
1 stop10h 07m
Multiple Airlines
Mon 3/99:10 am
POS
-
ISP
2 stops33h 34m
Multiple Airlines
Deal found 1/15$921
This KAYAK deal was found by Cheapflights users on 1/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/149:59 am
ISP
-
POS
2 stops20h 18m
Multiple Airlines
Fri 2/2012:22 pm
POS
-
ISP
2 stops31h 22m
Multiple Airlines
Deal found 1/15$1,402
This KAYAK deal was found by Cheapflights users on 1/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/139:59 am
ISP
-
POS
2 stops20h 18m
Multiple Airlines
Fri 2/2012:22 pm
POS
-
ISP
2 stops31h 22m
Multiple Airlines
Deal found 1/15$1,462
This KAYAK deal was found by Cheapflights users on 1/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/159:29 am
ISP
-
POS
2 stops20h 48m
Multiple Airlines
Fri 2/2012:22 pm
POS
-
ISP
2 stops31h 22m
Multiple Airlines
Deal found 1/15$1,657

Cheapflights Fare Finder

 
Customize your flight search to find flights from Islip 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 January 15, 2026.
Use the filters below to find and compare flights from Islip to Port of Spain that are best for you.

Fly from

Islip

Fly to

Port of Spain

Route

Depart

Return

Price

IslipPort of Spain

ISP - POS

ISPPOS

Islip Long Island

Mon 3/2

8:23 am-7:30 pm

1 stop10h 07m

Port of Spain Piarco Intl

Mon 3/9

9:10 am-6:44 pm

2 stops33h 34m

$921

IslipPort of Spain

ISP - POS

ISPPOS

Islip Long Island

Sat 2/14

9:59 am-7:17 am

2 stops20h 18m

Port of Spain Piarco Intl

Fri 2/20

12:22 pm-6:44 pm

2 stops31h 22m

$1,402

IslipPort of Spain

ISP - POS

ISPPOS

Islip Long Island

Fri 2/13

9:59 am-7:17 am

2 stops20h 18m

Port of Spain Piarco Intl

Fri 2/20

12:22 pm-6:44 pm

2 stops31h 22m

$1,462

IslipPort of Spain

ISP - POS

ISPPOS

Islip Long Island

Sun 2/15

9:29 am-7:17 am

2 stops20h 48m

Port of Spain Piarco Intl

Fri 2/20

12:22 pm-6:44 pm

2 stops31h 22m

$1,657

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Compare providers for flights from Islip to Port of Spain

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Islip to Port of Spain in January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Islip, New York-Port of Spain flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Islip, New York-Port of Spain flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Islip, New York-Port of Spain flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Islip, New York-Port of Spain flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Islip, New York-Port of Spain flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

What is the cheapest month to book a flight from Islip, New York to Port of Spain?

Currently, July is the cheapest month in which you can book a flight from Islip, New York to Port of Spain (average of $71). Flying from Islip, New York to Port of Spain in August is currently the most expensive (average of $372). 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.

Related info for your journey

Find useful and relevant information for your journey from Islip 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.

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

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

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

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

    Yes. Cheapflights offers flight deals from Islip 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 Islip, New York to Port of Spain?

    Currently, July is the cheapest month in which you can book a flight from Islip, New York to Port of Spain (average of $71). Flying from Islip, New York to Port of Spain in August is currently the most expensive (average of $372). 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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