Cheap Flights from Port of Spain (POS) to St. Thomas (SPB)

Popular airlines from Piarco Intl. Airport (POS) to St. Thomas (SPB-St. Thomas Seaplane Base)

Alternative airports near St. Thomas

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Cyril E. King STT. Flights from $610
STT
Cyril E. King
Flights from $610
Select flight to Terrance B. Lettsome Intl. EIS. Cheapest option available. Flights from $536
EIS
Terrance B. Lettsome Intl.
Cheapest
Flights from $536

Frequently asked questions

How much does a flight from Piarco Intl. Airport (POS) to St. Thomas Seaplane Base Airport (SPB) cost?
Get a cheap one-way flight or cheap return flight from Piarco Intl. Airport (POS) to St. Thomas Seaplane Base Airport (SPB) 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 St. Thomas Seaplane Base Airport (SPB)?
Traveling in may help you find better deals, as it's the cheapest month for flights between POS and SPB. You'll often find the lowest fares during the off-season.
What is the cheapest airline that flies from Piarco Intl. Airport (POS) to St. Thomas Seaplane Base Airport (SPB)?
To find the cheapest airline flying from POS to SPB, use Expedia's filter tool. Customize your search based on what matters most to you, such as preferred carriers and flight duration. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
How many flights per day from Piarco Intl. Airport (POS) to St. Thomas Seaplane Base Airport (SPB)?
There aren't any daily direct flights from Piarco Intl. Airport (POS) to St. Thomas Seaplane Base Airport (SPB). But you can opt for flights with layovers. Filter your search results on Expedia to include one or two stops, and you'll be soaring above the clouds in no time at all.
What day of the week has the most flights from POS to SPB?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on various factors, such as the carrier and season.*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 St. Thomas Seaplane Base Airport (SPB)?
Choose a flight from Piarco Intl. Airport (POS) to St. Thomas Seaplane Base Airport (SPB) that takes off before 3 PM to reduce the risk of delays and cancellations. Later departures 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 St. Thomas Seaplane Base Airport (SPB) last-minute?
Booking your ticket from POS to SPB shortly before your trip is usually more expensive. However, if there's some wiggle room with your travel times and dates, you could bag a cheap last-minute fare.
Is it cheaper to book a POS to SPB flight and hotel package?
Booking a POS to SPB flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Pick from our impressive range of stays and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Piarco Intl. Airport (POS) to St. Thomas Seaplane Base Airport (SPB)?
If you booked your POS to SPB flight in the last 24 hours, you may be able to cancel or modify it at no cost. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Piarco Intl.
Destination airport
St. Thomas Seaplane Base
Distance
586 mi

Book with confidence

Port of Spain to St. Thomas Flights

The cheapest times to fly from Port of Spain to St. Thomas

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

 

The best time to book a flight from Port of Spain to St. Thomas

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

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 St. Thomas in 2026. You can also book with separate airlines for your outbound and return journeys, from 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 St. Thomas 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 St. Thomas 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 St. Thomas Flights
*Available to One Key members.