$423 Cheap Flights from Port of Spain (POS) to Greenville (GSP)

View $423 flight on Mon, Feb 16, 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at $423 for one-way flights and $556 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Mon, Mar 2 - Tue, Mar 17
POS
Trinidad
GSP
Greenville
$556 Roundtrip, found 2 days ago
$556
Roundtrip
found 2 days ago
Select United flight, departing Mon, Mar 2 from Trinidad to Greenville, returning Tue, Mar 17, priced at $556 found 2 days ago
United
Fri, Feb 27 - Tue, Mar 17
POS
Trinidad
GSP
Greenville
$573 Roundtrip, found 2 days ago
$573
Roundtrip
found 2 days ago
Select United flight, departing Fri, Feb 27 from Trinidad to Greenville, returning Tue, Mar 17, priced at $573 found 2 days ago
United
Sun, Mar 1 - Tue, Mar 17
POS
Trinidad
GSP
Greenville
$579 Roundtrip, found 2 days ago
$579
Roundtrip
found 2 days ago
Select United flight, departing Sun, Mar 1 from Trinidad to Greenville, returning Tue, Mar 17, priced at $579 found 2 days ago
United
Mon, Mar 2 - Wed, Mar 18
POS
Trinidad
GSP
Greenville
$624 Roundtrip, found 2 days ago
$624
Roundtrip
found 2 days ago
Select United flight, departing Mon, Mar 2 from Trinidad to Greenville, returning Wed, Mar 18, priced at $624 found 2 days ago
American Airlines
Mon, Mar 2 - Fri, Mar 20
POS
Trinidad
GSP
Greenville
$627 Roundtrip, found 2 days ago
$627
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Mar 2 from Trinidad to Greenville, returning Fri, Mar 20, priced at $627 found 2 days ago
American Airlines
Mon, Mar 2 - Fri, Mar 20
POS
Trinidad
GSP
Greenville
$632 Roundtrip, found 2 days ago
$632
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Mar 2 from Trinidad to Greenville, returning Fri, Mar 20, priced at $632 found 2 days ago
United
Fri, Feb 27 - Wed, Mar 18
POS
Trinidad
GSP
Greenville
$642 Roundtrip, found 2 days ago
$642
Roundtrip
found 2 days ago
Select United flight, departing Fri, Feb 27 from Trinidad to Greenville, returning Wed, Mar 18, priced at $642 found 2 days ago
American Airlines
Mon, Mar 2 - Fri, Mar 20
POS
Trinidad
GSP
Greenville
$642 Roundtrip, found 2 days ago
$642
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Mar 2 from Trinidad to Greenville, returning Fri, Mar 20, priced at $642 found 2 days ago
American Airlines
Mon, Mar 2 - Fri, Mar 20
POS
Trinidad
GSP
Greenville
$646 Roundtrip, found 2 days ago
$646
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Mar 2 from Trinidad to Greenville, returning Fri, Mar 20, priced at $646 found 2 days ago
Air Canada
Mon, Mar 2 - Fri, Mar 20
POS
Trinidad
GSP
Greenville
$1,956 Roundtrip, found 2 days ago
$1,956
Roundtrip
found 2 days ago
Select Air Canada flight, departing Mon, Mar 2 from Trinidad to Greenville, returning Fri, Mar 20, priced at $1,956 found 2 days ago

Frequently asked questions

How much does a flight from Piarco Intl. Airport (POS) to Greenville-Spartanburg Intl. Airport (GSP) cost?
Secure a cheap one-way flight from $423 or cheap return flight from $556 from Piarco Intl. Airport (POS) to Greenville-Spartanburg Intl. Airport (GSP) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Piarco Intl. Airport (POS) to Greenville-Spartanburg Intl. Airport (GSP)?
The cheapest month to fly from POS to GSP is March, when there's less demand. Off-peak season is usually when better flight deals are available between these airports.
What is the cheapest airline that flies from Piarco Intl. Airport (POS) to Greenville-Spartanburg Intl. Airport (GSP)?
To find the cheapest airline flying from POS to GSP, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest flights first.
How many flights per day from Piarco Intl. Airport (POS) to Greenville-Spartanburg Intl. Airport (GSP)?
You'll need to hop on a flight with a layover if you're traveling from Piarco Intl. Airport (POS) to Greenville-Spartanburg Intl. Airport (GSP). Direct flights don't operate daily on this route. However, simply filter your search to include one or more stops to find the best option for your trip.
What day of the week has the most flights from POS to GSP?
You'll usually find Tuesday the quietest day for flights, while Fridays are often the busiest.* However this can change from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Piarco Intl. Airport (POS) to Greenville-Spartanburg Intl. Airport (GSP)?
Book a flight from Piarco Intl. Airport (POS) to Greenville-Spartanburg Intl. Airport (GSP) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures after this time are on average 22% more likely to be canceled.**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 Piarco Intl. Airport (POS) to Greenville-Spartanburg Intl. Airport (GSP) last-minute?
Holding off until right before your break to book a flight from POS to GSP generally means paying more. While you might find some last-minute offers, they're not always guaranteed. Be flexible with your travel plans to boost your chances of scoring a bargain.
Is it cheaper to book a POS to GSP flight and hotel package?
You'll generally save money by booking a POS to GSP flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. Once you've selected your ideal accommodations and flights, consider adding extras including tours, activities and car rentals.
Can I cancel or change the date of my flight from Piarco Intl. Airport (POS) to Greenville-Spartanburg Intl. Airport (GSP)?
It's generally possible to cancel or reschedule your POS to GSP flight. However, for bookings made more than 24 hours ago, additional fees may apply. Check your airline's policies in your itinerary to see what changes are allowed and if any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Piarco Intl.
Destination airport
Greenville-Spartanburg Intl.
Roundtrip price
$556
Distance
2131 mi

Book with confidence

Port of Spain to Greenville Flights

The cheapest times to fly from Port of Spain to Greenville

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 Port of Spain to Greenville are during the month of March. You can find some of the cheapest flights from Port of Spain to Greenville with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Port of Spain to Greenville: 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 Port of Spain to Greenville

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 Port of Spain to Greenville in 2026. You can also book with separate airlines for your outbound and return journeys, from $423 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 Port of Spain to Greenville 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 Port of Spain to Greenville 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.

 

Port of Spain to Greenville Flights

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*Available to One Key members.