$248 Cheap Flights from Christiansted (STX) to Port of Spain (POS)

View $248 flight on Thu, Oct 30, 2025Opens in a new window

Popular airlines from Henry E. Rohlsen Airport (STX) to Piarco Intl. Airport (POS)

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Cheap Flights from Christiansted to Port of Spain (STX-POS)

Prices were available within the past 7 days and start at $248 for one-way flights and $551 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, Dec 5 - Tue, Dec 9
STX
St. Croix Island
POS
Trinidad
$551 Roundtrip, found 12 hours ago
$551
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Fri, Dec 5 from St. Croix Island to Trinidad, returning Tue, Dec 9, priced at $551 found 12 hours ago
American Airlines
Fri, Dec 5 - Tue, Dec 9
STX
St. Croix Island
POS
Trinidad
$585 Roundtrip, found 12 hours ago
$585
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Fri, Dec 5 from St. Croix Island to Trinidad, returning Tue, Dec 9, priced at $585 found 12 hours ago
American Airlines
Thu, Jan 15 - Thu, Mar 5
STX
St. Croix Island
POS
Trinidad
$596 Roundtrip, found 1 day ago
$596
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jan 15 from St. Croix Island to Trinidad, returning Thu, Mar 5, priced at $596 found 1 day ago
American Airlines
Wed, Dec 3 - Tue, Dec 9
STX
St. Croix Island
POS
Trinidad
$615 Roundtrip, found 5 days ago
$615
Roundtrip
found 5 days ago
Select American Airlines flight, departing Wed, Dec 3 from St. Croix Island to Trinidad, returning Tue, Dec 9, priced at $615 found 5 days ago
American Airlines
Sun, Feb 1 - Fri, Feb 6
STX
St. Croix Island
POS
Trinidad
$619 Roundtrip, found 1 day ago
$619
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Feb 1 from St. Croix Island to Trinidad, returning Fri, Feb 6, priced at $619 found 1 day ago
American Airlines
Sun, Feb 1 - Sun, Feb 8
STX
St. Croix Island
POS
Trinidad
$624 Roundtrip, found 1 day ago
$624
Roundtrip
found 1 day ago
Select American Airlines flight, departing Sun, Feb 1 from St. Croix Island to Trinidad, returning Sun, Feb 8, priced at $624 found 1 day ago
American Airlines
Fri, Dec 5 - Tue, Dec 9
STX
St. Croix Island
POS
Trinidad
$631 Roundtrip, found 12 hours ago
$631
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Fri, Dec 5 from St. Croix Island to Trinidad, returning Tue, Dec 9, priced at $631 found 12 hours ago
American Airlines
Thu, Jan 15 - Thu, Mar 5
STX
St. Croix Island
POS
Trinidad
$635 Roundtrip, found 1 day ago
$635
Roundtrip
found 1 day ago
Select American Airlines flight, departing Thu, Jan 15 from St. Croix Island to Trinidad, returning Thu, Mar 5, priced at $635 found 1 day ago
American Airlines
Fri, Dec 5 - Tue, Dec 9
STX
St. Croix Island
POS
Trinidad
$661 Roundtrip, found 12 hours ago
$661
Roundtrip
found 12 hours ago
Select American Airlines flight, departing Fri, Dec 5 from St. Croix Island to Trinidad, returning Tue, Dec 9, priced at $661 found 12 hours ago
United
Sat, Sep 27 - Sat, Oct 4
STX
St. Croix Island
POS
Trinidad
$2,075 Roundtrip, found 5 days ago
$2,075
Roundtrip
found 5 days ago
Select United flight, departing Sat, Sep 27 from St. Croix Island to Trinidad, returning Sat, Oct 4, priced at $2,075 found 5 days ago
Flights from Christiansted (STX) to Port of Spain (POS)
Origin airport
Henry E. Rohlsen
Destination airport
Piarco Intl.
Airlines serving
American Airlines
Roundtrip price
$550
Distance
542 mi

Christiansted to Port of Spain Flights

The cheapest times to fly from Christiansted 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 Christiansted to Port of Spain are during the month of December. You can find some of the cheapest flights from Christiansted to Port of Spain with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Christiansted 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 Christiansted 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 Christiansted to Port of Spain in 2025. You can also book with separate airlines for your outbound and return journeys, from $248 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 Christiansted 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 Christiansted 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.

 

Frequently asked questions

How much does a flight from Henry E. Rohlsen Airport (STX) to Piarco Intl. Airport (POS) cost?
Grab a cheap one-way flight from $248 or cheap return flight from $551 from Henry E. Rohlsen Airport (STX) to Piarco Intl. Airport (POS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight offers on this route.
What is the cheapest month to fly from Henry E. Rohlsen Airport (STX) to Piarco Intl. Airport (POS)?
December is the least expensive month to fly from STX to POS. Planning your trip for the off-season is often the key to better flight prices.
What is the cheapest airline that flies from Henry E. Rohlsen Airport (STX) to Piarco Intl. Airport (POS)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from STX to POS. Then, sort your results by "Price (lowest to highest)" to pick up a great deal.
How many flights per day from Henry E. Rohlsen Airport (STX) to Piarco Intl. Airport (POS)?
Direct flights from Henry E. Rohlsen Airport (STX) to Piarco Intl. Airport (POS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filters. Enter your travel details and choose either "1 Stop" or "2+ Stops."
What day of the week has the most flights from STX to POS?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Remember that flight schedules can change based on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Henry E. Rohlsen Airport (STX) to Piarco Intl. Airport (POS)?
Book a flight from Henry E. Rohlsen Airport (STX) to Piarco Intl. Airport (POS) that leaves before 3 PM to reduce the likelihood of delays. Departures after this hour 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 Henry E. Rohlsen Airport (STX) to Piarco Intl. Airport (POS) last-minute?
Last-minute bookings from STX to POS are generally more expensive. To secure the best prices, start searching for flights early. That said, if you're flexible with your travel dates, you may find a cheap ticket right before your journey.
Is it cheaper to book a STX to POS flight and hotel package?
You can save money by booking a STX 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 convenient place. Once you've selected your ideal flights and accommodations, consider other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Henry E. Rohlsen Airport (STX) to Piarco Intl. Airport (POS)?
In most instances, you're able to cancel or reschedule your STX to POS flight. However, additional fees may apply, especially if you booked more than 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more information, visit our Customer Service portal.

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*Available to One Key members.