$230 Cheap Flights from Port of Spain (POS) to St. Thomas (STT)

View $230 flight on Thu, Feb 12, 2026Opens in a new window

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

  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $230 for one-way flights and $494 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Mon, Jan 19 - Sat, Jan 24
POS
Trinidad
STT
St. Thomas
$494 Roundtrip, found 2 days ago
$494
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Mon, Jan 19 from Trinidad to St. Thomas, returning Sat, Jan 24, priced at $494 found 2 days ago
JetBlue Airways
Sat, Jan 17 - Sat, Jan 24
POS
Trinidad
STT
St. Thomas
$499 Roundtrip, found 2 days ago
$499
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Sat, Jan 17 from Trinidad to St. Thomas, returning Sat, Jan 24, priced at $499 found 2 days ago
JetBlue Airways
Mon, Jan 19 - Fri, Jan 23
POS
Trinidad
STT
St. Thomas
$522 Roundtrip, found 2 days ago
$522
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Mon, Jan 19 from Trinidad to St. Thomas, returning Fri, Jan 23, priced at $522 found 2 days ago
JetBlue Airways
Sat, Jan 17 - Fri, Jan 23
POS
Trinidad
STT
St. Thomas
$528 Roundtrip, found 2 days ago
$528
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Sat, Jan 17 from Trinidad to St. Thomas, returning Fri, Jan 23, priced at $528 found 2 days ago
JetBlue Airways
Sun, Mar 8 - Tue, Mar 10
POS
Trinidad
STT
St. Thomas
$538 Roundtrip, found 6 days ago
$538
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sun, Mar 8 from Trinidad to St. Thomas, returning Tue, Mar 10, priced at $538 found 6 days ago
JetBlue Airways
Sun, Mar 8 - Thu, Mar 12
POS
Trinidad
STT
St. Thomas
$542 Roundtrip, found 6 days ago
$542
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Sun, Mar 8 from Trinidad to St. Thomas, returning Thu, Mar 12, priced at $542 found 6 days ago
JetBlue Airways
Wed, Jan 21 - Sat, Jan 24
POS
Trinidad
STT
St. Thomas
$544 Roundtrip, found 2 days ago
$544
Roundtrip
found 2 days ago
Select JetBlue Airways flight, departing Wed, Jan 21 from Trinidad to St. Thomas, returning Sat, Jan 24, priced at $544 found 2 days ago
JetBlue Airways
Mon, Mar 9 - Tue, Mar 10
POS
Trinidad
STT
St. Thomas
$550 Roundtrip, found 6 days ago
$550
Roundtrip
found 6 days ago
Select JetBlue Airways flight, departing Mon, Mar 9 from Trinidad to St. Thomas, returning Tue, Mar 10, priced at $550 found 6 days ago
American Airlines
Thu, Feb 12 - Tue, Feb 17
POS
Trinidad
STT
St. Thomas
$578 Roundtrip, found 6 days ago
$578
Roundtrip
found 6 days ago
Select American Airlines flight, departing Thu, Feb 12 from Trinidad to St. Thomas, returning Tue, Feb 17, priced at $578 found 6 days ago
United
Tue, Mar 3 - Tue, Mar 17
POS
Trinidad
STT
St. Thomas
$628 Roundtrip, found 22 hours ago
$628
Roundtrip
found 22 hours ago
Select United flight, departing Tue, Mar 3 from Trinidad to St. Thomas, returning Tue, Mar 17, priced at $628 found 22 hours ago

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

January is typically the cheapest month to fly

From $375 - $1,304 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 $553
EIS
Terrance B. Lettsome Intl.
Cheapest
Flights from $553

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 $230 or cheap return flight from $494 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, United
Roundtrip price
$494
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 2026. You can also book with separate airlines for your outbound and return journeys, from $230 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

Explore a world of travel with Expedia

*Available to One Key members.