$335 Cheap Flights from Port of Spain (POS) to St. Thomas (STT)

View $335 flight on Mon, Mar 16, 2026Opens in a new window

Popular airlines from Piarco Intl. Airport (POS) to Cyril E. King Airport (STT)

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

Prices were available within the past 7 days and start at $335 for one-way flights and $624 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Sat, Jan 24 - Wed, Jan 28
POS
Trinidad
STT
St. Thomas
$624 Roundtrip, found 5 days ago
$624
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jan 24 from Trinidad to St. Thomas, returning Wed, Jan 28, priced at $624 found 5 days ago
American Airlines
Mon, Oct 27 - Mon, Nov 3
POS
Trinidad
STT
St. Thomas
$655 Roundtrip, found 2 days ago
$655
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Oct 27 from Trinidad to St. Thomas, returning Mon, Nov 3, priced at $655 found 2 days ago
American Airlines
Sat, Jan 24 - Wed, Jan 28
POS
Trinidad
STT
St. Thomas
$669 Roundtrip, found 5 days ago
$669
Roundtrip
found 5 days ago
Select American Airlines flight, departing Sat, Jan 24 from Trinidad to St. Thomas, returning Wed, Jan 28, priced at $669 found 5 days ago
American Airlines
Mon, Oct 27 - Mon, Nov 3
POS
Trinidad
STT
St. Thomas
$701 Roundtrip, found 2 days ago
$701
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Oct 27 from Trinidad to St. Thomas, returning Mon, Nov 3, priced at $701 found 2 days ago
American Airlines
Sat, Dec 6 - Mon, Dec 8
POS
Trinidad
STT
St. Thomas
$706 Roundtrip, found 6 days ago
$706
Roundtrip
found 6 days ago
Select American Airlines flight, departing Sat, Dec 6 from Trinidad to St. Thomas, returning Mon, Dec 8, priced at $706 found 6 days ago
American Airlines
Thu, Dec 4 - Sun, Dec 7
POS
Trinidad
STT
St. Thomas
$714 Roundtrip, found 6 days ago
$714
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Dec 4 from Trinidad to St. Thomas, returning Sun, Dec 7, priced at $714 found 6 days ago
American Airlines
Mon, Oct 27 - Mon, Nov 3
POS
Trinidad
STT
St. Thomas
$716 Roundtrip, found 2 days ago
$716
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Oct 27 from Trinidad to St. Thomas, returning Mon, Nov 3, priced at $716 found 2 days ago
American Airlines
Mon, Oct 27 - Mon, Nov 3
POS
Trinidad
STT
St. Thomas
$718 Roundtrip, found 2 days ago
$718
Roundtrip
found 2 days ago
Select American Airlines flight, departing Mon, Oct 27 from Trinidad to St. Thomas, returning Mon, Nov 3, priced at $718 found 2 days ago
JetBlue Airways
Sat, Oct 25 - Mon, Nov 3
POS
Trinidad
STT
St. Thomas
$720 Roundtrip, found 4 days ago
$720
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Sat, Oct 25 from Trinidad to St. Thomas, returning Mon, Nov 3, priced at $720 found 4 days ago
United
Sat, Jan 24 - Wed, Jan 28
POS
Trinidad
STT
St. Thomas
$825 Roundtrip, found 5 days ago
$825
Roundtrip
found 5 days ago
Select United flight, departing Sat, Jan 24 from Trinidad to St. Thomas, returning Wed, Jan 28, priced at $825 found 5 days ago

Find the cheapest month to fly from Piarco (POS) to St. Thomas (STT)

February is typically the cheapest month to fly

From $312 - $1,497 per traveler.

Alternative airports near St. Thomas

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

Select flight to Terrance B. Lettsome Intl. EIS. Cheapest option available. Flights from $608
EIS
Terrance B. Lettsome Intl.
Cheapest
Flights from $608

Frequently asked questions

How much does a flight from Piarco Intl. Airport (POS) to Cyril E. King Airport (STT) cost?
Grab a cheap one-way flight from $335 or cheap return flight from $624 from Piarco Intl. Airport (POS) to Cyril E. King Airport (STT) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Piarco Intl. Airport (POS) to Cyril E. King Airport (STT)?
January is the least expensive month to fly from POS to STT. Planning your trip for the off-season is often the key to landing a great deal.
What is the cheapest airline that flies from Piarco Intl. Airport (POS) to Cyril E. King Airport (STT)?
Expedia's filter tool lets you easily compare travel time, airlines and fares all in one place. Customize the search to your preferences, then sort by "Price (lowest to highest)" to see which carrier offers the cheapest POS to STT flight.
How many flights per day from Piarco Intl. Airport (POS) to Cyril E. King Airport (STT)?
There are no daily nonstop flights departing from Piarco Intl. Airport (POS) to Cyril E. King Airport (STT). But you can choose flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from POS to STT?
Friday is typically the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary based on a range of factors, including the airline 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 Cyril E. King Airport (STT)?
To arrive at Cyril E. King Airport (STT) on time, book a flight that takes off from Piarco Intl. Airport (POS) before 3 PM. The chance 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 Piarco Intl. Airport (POS) to Cyril E. King Airport (STT) last-minute?
Last-minute fares from POS to STT are typically more expensive. To lock in the best rates, start looking for flights well in advance. That being said, if you're flexible with your travel plans, you may score a cheap ticket right before your journey.
Is it cheaper to book a POS to STT flight and hotel package?
Compared with arranging hotels and flights separately, booking a POS to STT flight and hotel package with Expedia could result in significant savings. What's more, managing everything in one place will take the hassle out of planning your trip. Simply secure your flights and select from our wide range of hotels, then tailor your trip with other add-ons like activities, tours and car rentals.
Can I cancel or change the date of my flight from Piarco Intl. Airport (POS) to Cyril E. King Airport (STT)?
Usually, it's possible to reschedule or cancel your POS to STT flight. However, if the booking was made more than 24 hours ago, additional charges may apply. Refer to your airline's policies in your itinerary to see what changes are possible and whether any costs are involved. You'll also find more information on our Customer Service portal.

Travel information

Origin airport
Piarco Intl.
Destination airport
Cyril E. King
Airlines serving
American Airlines, JetBlue Airways
Roundtrip price
$623
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 January. 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 2025. You can also book with separate airlines for your outbound and return journeys, from $335 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

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*Available to One Key members.