£423 Cheap Flights from Port of Spain (POS) to St. Thomas (STT)

View £423 flight on Thu, 7 May 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £423 for one-way flights and £731 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Thu, 7 May - Tue, 12 May
POS
Trinidad
STT
St. Thomas
£731 Return, found 10 hours ago
£731
Return
found 10 hours ago
Select American Airlines flight, departing Thu, 7 May from Trinidad to St. Thomas, returning Tue, 12 May, priced at £731 found 10 hours ago
American Airlines
Thu, 7 May - Tue, 12 May
POS
Trinidad
STT
St. Thomas
£765 Return, found 10 hours ago
£765
Return
found 10 hours ago
Select American Airlines flight, departing Thu, 7 May from Trinidad to St. Thomas, returning Tue, 12 May, priced at £765 found 10 hours ago
American Airlines
Thu, 7 May - Tue, 12 May
POS
Trinidad
STT
St. Thomas
£768 Return, found 10 hours ago
£768
Return
found 10 hours ago
Select American Airlines flight, departing Thu, 7 May from Trinidad to St. Thomas, returning Tue, 12 May, priced at £768 found 10 hours ago
American Airlines
Fri, 8 May - Tue, 12 May
POS
Trinidad
STT
St. Thomas
£770 Return, found 10 hours ago
£770
Return
found 10 hours ago
Select American Airlines flight, departing Fri, 8 May from Trinidad to St. Thomas, returning Tue, 12 May, priced at £770 found 10 hours ago
American Airlines
Thu, 7 May - Tue, 12 May
POS
Trinidad
STT
St. Thomas
£772 Return, found 10 hours ago
£772
Return
found 10 hours ago
Select American Airlines flight, departing Thu, 7 May from Trinidad to St. Thomas, returning Tue, 12 May, priced at £772 found 10 hours ago
American Airlines
Thu, 7 May - Tue, 12 May
POS
Trinidad
STT
St. Thomas
£801 Return, found 10 hours ago
£801
Return
found 10 hours ago
Select American Airlines flight, departing Thu, 7 May from Trinidad to St. Thomas, returning Tue, 12 May, priced at £801 found 10 hours ago
United
Thu, 7 May - Tue, 12 May
POS
Trinidad
STT
St. Thomas
£805 Return, found 10 hours ago
£805
Return
found 10 hours ago
Select United flight, departing Thu, 7 May from Trinidad to St. Thomas, returning Tue, 12 May, priced at £805 found 10 hours ago
Caribbean Airlines
Thu, 7 May - Tue, 12 May
POS
Trinidad
STT
St. Thomas
£820 Return, found 10 hours ago
£820
Return
found 10 hours ago
Select Caribbean Airlines flight, departing Thu, 7 May from Trinidad to St. Thomas, returning Tue, 12 May, priced at £820 found 10 hours ago
JetBlue Airways
Fri, 8 May - Tue, 12 May
POS
Trinidad
STT
St. Thomas
£852 Return, found 10 hours ago
£852
Return
found 10 hours ago
Select JetBlue Airways flight, departing Fri, 8 May from Trinidad to St. Thomas, returning Tue, 12 May, priced at £852 found 10 hours ago
interCaribbean Airways
Thu, 7 May - Tue, 12 May
POS
Trinidad
STT
St. Thomas
£897 Return, found 10 hours ago
£897
Return
found 10 hours ago
Select interCaribbean Airways flight, departing Thu, 7 May from Trinidad to St. Thomas, returning Tue, 12 May, priced at £897 found 10 hours ago

Frequently asked questions

How do I find cheap flights from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King)?
To find a cheap flight from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King)?
There are approximately 7 connecting flights per day from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King). Some common connection points include Miami Intl. (MIA), John F. Kennedy Intl. (JFK), and George Bush Intercontinental (IAH).
What is the earliest flight from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King)?
The earliest flight from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King) typically departs at approximately 12:30 AM local time, operated by United Airlines. This is a seasonal service active in April, May, June, September, and October. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King)?
If you're flying from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King), you'll typically find the most flights on a Thursday, with around 9 flights available. This gives you a good selection of options for your journey. Major airlines on this route include American Airlines, Caribbean Airlines, and JetBlue Airways. Flight schedules are fairly consistent throughout the week, with Thursday offering notably more flight options compared to other days.
What are the most popular departure times for flights from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King)?
The most popular departure times for flights from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King) are in the afternoon, from 3pm to 6pm. About 46% of passengers prefer this time. Many major carriers, including American Airlines and Caribbean Airlines, offer flights during this window. This timing works well because it allows you to have a productive morning before heading to the airport, and you'll arrive at your destination with time to settle in.
How long does it take to fly from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King)?
A flight from POS to STT with a layover takes around 21 hours 30 minutes, with the route covering approximately 587 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King)?
Select the "Business class" and "First class" filters when looking for POS to STT flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King) flight with Expedia?
It's easy to earn miles on a Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for St. Thomas from Piarco Intl. (POS)?
From Piarco Intl. (POS), you can fly directly into Cyril E. King (STT) to reach St. Thomas. Some flights may connect through major hubs like Miami Intl. (MIA), George Bush Intercontinental (IAH), Pearson Intl. (YYZ) before reaching St. Thomas. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King) at the last minute?
Typically, booking a last minute flight from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King) flight and hotel package?
Securing a Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King)?
If you booked your Port of Spain (POS-Piarco Intl.) to St. Thomas (STT-Cyril E. King) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Piarco Intl.
Destination airport
Cyril E. King
Return price
£730
Distance
938 km

Book with confidence

Compare flights from Port of Spain to St. Thomas easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Port of Spain to St. Thomas. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Cyril E. King in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Piarco Intl. to Cyril E. King.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Piarco Intl. (POS) to Cyril E. King (STT)

The easiest way to view the best deals on flights from Port of Spain to St. Thomas today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Piarco Intl. to Cyril E. King start at just £731 and range up to £897.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Port of Spain and St. Thomas
  • booking your flight during May, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Port of Spain to St. Thomas flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Piarco Intl. to Cyril E. King for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Port of Spain to St. Thomas easily and book with confidence

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