$303 Cheap Flights from Greenville (GSP) to Port of Spain (POS)

View $303 flight on Sun, Jan 18, 2026Opens in a new window

Popular airlines from Greenville-Spartanburg Intl. Airport (GSP) to Piarco Intl. Airport (POS)

Cheap Flights from Greenville to Port of Spain (GSP-POS)

Prices were available within the past 7 days and start at $303 for one-way flights and $509 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sun, Jan 18 - Tue, Jan 27
GSP
Greenville
POS
Trinidad
$509 Roundtrip, found 2 days ago
$509
Roundtrip
found 2 days ago
Select United flight, departing Sun, Jan 18 from Greenville to Trinidad, returning Tue, Jan 27, priced at $509 found 2 days ago
United
Sun, Jan 18 - Sun, Jan 25
GSP
Greenville
POS
Trinidad
$556 Roundtrip, found 3 days ago
$556
Roundtrip
found 3 days ago
Select United flight, departing Sun, Jan 18 from Greenville to Trinidad, returning Sun, Jan 25, priced at $556 found 3 days ago
American Airlines
Tue, Mar 17 - Thu, Mar 26
GSP
Greenville
POS
Trinidad
$559 Roundtrip, found 16 hours ago
$559
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Tue, Mar 17 from Greenville to Trinidad, returning Thu, Mar 26, priced at $559 found 16 hours ago
American Airlines
Tue, Mar 17 - Wed, Mar 25
GSP
Greenville
POS
Trinidad
$563 Roundtrip, found 1 day ago
$563
Roundtrip
found 1 day ago
Select American Airlines flight, departing Tue, Mar 17 from Greenville to Trinidad, returning Wed, Mar 25, priced at $563 found 1 day ago
American Airlines
Sun, Jan 18 - Sun, Jan 25
GSP
Greenville
POS
Trinidad
$568 Roundtrip, found 3 days ago
$568
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Jan 18 from Greenville to Trinidad, returning Sun, Jan 25, priced at $568 found 3 days ago
American Airlines
Sat, Feb 28 - Sat, Mar 7
GSP
Greenville
POS
Trinidad
$573 Roundtrip, found 2 hours ago
$573
Roundtrip
found 2 hours ago
Select American Airlines flight, departing Sat, Feb 28 from Greenville to Trinidad, returning Sat, Mar 7, priced at $573 found 2 hours ago
American Airlines
Sun, Jan 18 - Sun, Jan 25
GSP
Greenville
POS
Trinidad
$578 Roundtrip, found 3 days ago
$578
Roundtrip
found 3 days ago
Select American Airlines flight, departing Sun, Jan 18 from Greenville to Trinidad, returning Sun, Jan 25, priced at $578 found 3 days ago
American Airlines
Tue, Mar 17 - Thu, Mar 26
GSP
Greenville
POS
Trinidad
$581 Roundtrip, found 16 hours ago
$581
Roundtrip
found 16 hours ago
Select American Airlines flight, departing Tue, Mar 17 from Greenville to Trinidad, returning Thu, Mar 26, priced at $581 found 16 hours ago
Air Canada
Sat, Feb 28 - Sat, Mar 7
GSP
Greenville
POS
Trinidad
$1,210 Roundtrip, found 2 hours ago
$1,210
Roundtrip
found 2 hours ago
Select Air Canada flight, departing Sat, Feb 28 from Greenville to Trinidad, returning Sat, Mar 7, priced at $1,210 found 2 hours ago
Copa
Tue, Mar 17 - Wed, Mar 25
GSP
Greenville
POS
Trinidad
$1,297 Roundtrip, found 1 day ago
$1,297
Roundtrip
found 1 day ago
Select Copa flight, departing Tue, Mar 17 from Greenville to Trinidad, returning Wed, Mar 25, priced at $1,297 found 1 day ago

Frequently asked questions

How much does a flight from Greenville-Spartanburg Intl. Airport (GSP) to Piarco Intl. Airport (POS) cost?
Snag a cheap one-way flight from $303 or cheap return flight from $509 from Greenville-Spartanburg Intl. Airport (GSP) to Piarco Intl. Airport (POS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Greenville-Spartanburg Intl. Airport (GSP) to Piarco Intl. Airport (POS)?
The cheapest month to fly from GSP to POS is January, when demand is low. Off-peak months are typically when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Greenville-Spartanburg Intl. Airport (GSP) to Piarco Intl. Airport (POS)?
To find the cheapest airline flying from GSP to POS, use Expedia's filter tool. Customize your search based on your travel style, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to see the most affordable options first.
How many flights per day from Greenville-Spartanburg Intl. Airport (GSP) to Piarco Intl. Airport (POS)?
You'll need to book a flight with a layover when traveling from Greenville-Spartanburg Intl. Airport (GSP) to Piarco Intl. Airport (POS). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to discover an option that works for you.
What day of the week has the most flights from GSP to POS?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* But this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Greenville-Spartanburg Intl. Airport (GSP) to Piarco Intl. Airport (POS)?
To touch down at Piarco Intl. Airport (POS) without delays, pick a flight that takes off from Greenville-Spartanburg Intl. Airport (GSP) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Greenville-Spartanburg Intl. Airport (GSP) to Piarco Intl. Airport (POS) last-minute?
Last-minute fares from GSP to POS are generally more expensive. To secure the best rates, start looking for flights as soon as possible. That said, if you can play around with your travel dates, it's possible to score a cheap fare right before your journey.
Is it cheaper to book a GSP to POS flight and hotel package?
You'll typically save money by booking a GSP to POS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one place. After selecting your ideal accommodations and flights, consider adding extras including car rentals, activities and tours.
Can I cancel or change the date of my flight from Greenville-Spartanburg Intl. Airport (GSP) to Piarco Intl. Airport (POS)?
It's usually possible to cancel or reschedule your GSP to POS flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Check your airline's policies in your itinerary to see what changes are possible and if any costs are involved. You'll also find further details on our Customer Service portal.

Travel information

Origin airport
Greenville-Spartanburg Intl.
Destination airport
Piarco Intl.
Airlines serving
Air Canada, American Airlines, Copa, United
Roundtrip price
$508
Distance
2131 mi

Book with confidence

Greenville to Port of Spain Flights

The cheapest times to fly from Greenville to Port of Spain

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Greenville to Port of Spain are during the month of January. You can find some of the cheapest flights from Greenville to Port of Spain with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Greenville to Port of Spain

Sunday is one of the best days to book for cheap flights from Greenville to Port of Spain: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Greenville to Port of Spain

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Greenville to Port of Spain in 2025. You can also book with separate airlines for your outbound and return journeys, from $303 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Greenville to Port of Spain flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Greenville to Port of Spain airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Greenville to Port of Spain Flights

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*Available to One Key members.