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£137 Cheap Flights from Port of Spain (POS) to Castries (SLU)

View £137 flight on Wed, 16 Sept 2026Opens in a new window

Popular airlines from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU)

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Cheap Flights from Port of Spain (POS) to Castries (SLU)

Prices were available within the past 7 days and start at £137 for one-way flights and £274 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Caribbean Airlines
Wed, 16 Sept - Wed, 23 Sept
POS
Trinidad
SLU
Castries
£274 Return, found 3 days ago
£274
Return
found 3 days ago
Select Caribbean Airlines flight, departing Wed, 16 Sept from Trinidad to Castries, returning Wed, 23 Sept, priced at £274 found 3 days ago
Caribbean Airlines
Wed, 16 Sept - Sun, 20 Sept
POS
Trinidad
SLU
Castries
£276 Return, found 5 hours ago
£276
Return
found 5 hours ago
Select Caribbean Airlines flight, departing Wed, 16 Sept from Trinidad to Castries, returning Sun, 20 Sept, priced at £276 found 5 hours ago
Caribbean Airlines
Wed, 16 Sept - Sun, 20 Sept
POS
Trinidad
SLU
Castries
£281 Return, found 5 hours ago
£281
Return
found 5 hours ago
Select Caribbean Airlines flight, departing Wed, 16 Sept from Trinidad to Castries, returning Sun, 20 Sept, priced at £281 found 5 hours ago
Caribbean Airlines
Mon, 5 Oct - Tue, 6 Oct
POS
Trinidad
SLU
Castries
£285 Return, found 17 hours ago
£285
Return
found 17 hours ago
Select Caribbean Airlines flight, departing Mon, 5 Oct from Trinidad to Castries, returning Tue, 6 Oct, priced at £285 found 17 hours ago
Caribbean Airlines
Mon, 21 Sept - Sun, 27 Sept
POS
Trinidad
SLU
Castries
£289 Return, found 1 day ago
£289
Return
found 1 day ago
Select Caribbean Airlines flight, departing Mon, 21 Sept from Trinidad to Castries, returning Sun, 27 Sept, priced at £289 found 1 day ago
Caribbean Airlines
Mon, 12 Oct - Mon, 19 Oct
POS
Trinidad
SLU
Castries
£292 Return, found 1 day ago
£292
Return
found 1 day ago
Select Caribbean Airlines flight, departing Mon, 12 Oct from Trinidad to Castries, returning Mon, 19 Oct, priced at £292 found 1 day ago
Caribbean Airlines
Wed, 21 Oct - Sun, 25 Oct
POS
Trinidad
SLU
Castries
£298 Return, found 6 days ago
£298
Return
found 6 days ago
Select Caribbean Airlines flight, departing Wed, 21 Oct from Trinidad to Castries, returning Sun, 25 Oct, priced at £298 found 6 days ago
Caribbean Airlines
Wed, 16 Sept - Wed, 23 Sept
POS
Trinidad
SLU
Castries
£302 Return, found 3 days ago
£302
Return
found 3 days ago
Select Caribbean Airlines flight, departing Wed, 16 Sept from Trinidad to Castries, returning Wed, 23 Sept, priced at £302 found 3 days ago
interCaribbean Airways
Mon, 18 Jan - Thu, 21 Jan
POS
Trinidad
SLU
Castries
£415 Return, found 3 days ago
£415
Return
found 3 days ago
Select interCaribbean Airways flight, departing Mon, 18 Jan from Trinidad to Castries, returning Thu, 21 Jan, priced at £415 found 3 days ago
Hahn Air Technologies
Mon, 18 Jan - Thu, 21 Jan
POS
Trinidad
SLU
Castries
£445 Return, found 3 days ago
£445
Return
found 3 days ago
Select Hahn Air Technologies flight, departing Mon, 18 Jan from Trinidad to Castries, returning Thu, 21 Jan, priced at £445 found 3 days ago

Find the cheapest month to fly from Trinidad (POS) to Castries (SLU)

May is typically the cheapest month to fly

From £297 - £411 per traveller.

Frequently asked questions

How much does a flight from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles) cost?
You can find cheap one-way flights from £137 and cheap return flights from £274 POS to SLU with Expedia. Return flights often range between £313 and £523. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when POS to SLU ticket fares go up or down.
What is the cheapest month to fly from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles)?
May is typically the cheapest month to fly from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles), with average return fares around £265. May often sees lower prices as it falls outside of peak holiday seasons, leading to reduced demand. Other cheap months to fly from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles) include January and September.
Which airlines fly direct from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles)?
Only one airline offers direct flights from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles). Caribbean Airlines operates 8 direct flights from Piarco Intl. to George F. L. Charles every week.
What is the cheapest airline that flies from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles)?
Caribbean Airlines is one of the cheapest airlines offering nonstop return flights from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles), with tickets starting from around £277 for flights that can be booked for departure within the next year. Caribbean Airlines also offers one of the cheapest connecting return flights on this route, with a layover in A.N.R. Robinson Intl. (TAB), starting from around £291. These prices are for economy/coach class per adult. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Port of Spain (POS) to Castries (SLU)?
To find a cheap flight from Port of Spain (POS) to Castries (SLU), 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) to Castries (SLU)?
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.
What is the earliest flight from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles)?
The earliest flight from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles) typically departs around 7:05 AM. This service is operated by Caribbean Airlines. This is a seasonal service active in January, August, September, November, and December. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
How long does it take to fly from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles)?
A non-stop flight from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles) typically takes around 1 hour. This route covers a distance of approximately 381 kilometers. If you opt for a flight with one stop, your journey will usually take about 6 hours 18 minutes, while flights with two or more stops generally extend the travel time to around 9 hours 18 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic.
Can you fly business or first class from Port of Spain (POS) to Castries (SLU)?
Select the "Business class" and "First class" filters when looking for Port of Spain (POS) to Castries (SLU) 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 Castries (SLU-George F. L. Charles) flight with Expedia?
It's easy to earn miles on a Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles) 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 Castries (SLU) from Port of Spain (POS)?
If you're planning to travel to Castries from Piarco Intl. (POS), you can fly directly into George F. L. Charles (SLU). Some flights may connect through major hubs like A.N.R. Robinson Intl. (TAB), Maurice Bishop Intl. (GND), or Argyle Intl. (SVD) before reaching Castries. 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 Castries (SLU-George F. L. Charles) at the last minute?
Typically, booking a last minute flight from Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles) 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 Castries (SLU-George F. L. Charles) flight and hotel package?
Securing a Port of Spain (POS-Piarco Intl.) to Castries (SLU-George F. L. Charles) 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) to Castries (SLU)?
If you booked your Port of Spain (POS) to Castries (SLU) 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
George F. L. Charles
Airlines serving
Caribbean Airlines, Hahn Air Technologies, interCaribbean Airways
Return price
£274
Distance
379 km
Average flight time
1 hour 5 mins

Book with confidence

Compare flights from Port of Spain to Castries 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 Castries. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to George F. L. Charles in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Piarco Intl. to George F. L. Charles.  

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 George F. L. Charles (SLU)

The easiest way to view the best deals on flights from Port of Spain to Castries 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 George F. L. Charles start at just £274 and range up to £445.  

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 Castries
  • booking your flight during September, 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 Castries flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Piarco Intl. to George F. L. Charles 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 Castries easily and book with confidence

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*Available to Expedia members.