$152 Cheap Flights from Port of Spain (POS) to Castries (SLU)

View $152 flight on Sat, Nov 8, 2025Opens 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 to Castries (POS-SLU)

Prices were available within the past 7 days and start at $152 for one-way flights and $312 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Caribbean Airlines
Sat, Nov 8 - Sun, Nov 16
POS
Trinidad
SLU
Castries
$312 Roundtrip, just found
$312
Roundtrip
just found
Select Caribbean Airlines flight, departing Sat, Nov 8 from Trinidad to Castries, returning Sun, Nov 16, priced at $312 just found
Caribbean Airlines
Sat, Nov 15 - Wed, Nov 19
POS
Trinidad
SLU
Castries
$316 Roundtrip, just found
$316
Roundtrip
just found
Select Caribbean Airlines flight, departing Sat, Nov 15 from Trinidad to Castries, returning Wed, Nov 19, priced at $316 just found
Caribbean Airlines
Mon, Nov 24 - Fri, Nov 28
POS
Trinidad
SLU
Castries
$321 Roundtrip, just found
$321
Roundtrip
just found
Select Caribbean Airlines flight, departing Mon, Nov 24 from Trinidad to Castries, returning Fri, Nov 28, priced at $321 just found
Caribbean Airlines
Wed, Nov 5 - Sun, Nov 16
POS
Trinidad
SLU
Castries
$327 Roundtrip, just found
$327
Roundtrip
just found
Select Caribbean Airlines flight, departing Wed, Nov 5 from Trinidad to Castries, returning Sun, Nov 16, priced at $327 just found
Caribbean Airlines
Fri, Dec 26 - Sun, Dec 28
POS
Trinidad
SLU
Castries
$332 Roundtrip, found 1 day ago
$332
Roundtrip
found 1 day ago
Select Caribbean Airlines flight, departing Fri, Dec 26 from Trinidad to Castries, returning Sun, Dec 28, priced at $332 found 1 day ago
Caribbean Airlines
Sun, Jun 14 - Sun, Jun 21
POS
Trinidad
SLU
Castries
$333 Roundtrip, found 1 hour ago
$333
Roundtrip
found 1 hour ago
Select Caribbean Airlines flight, departing Sun, Jun 14 from Trinidad to Castries, returning Sun, Jun 21, priced at $333 found 1 hour ago
Caribbean Airlines
Sat, Sep 20 - Fri, Sep 26
POS
Trinidad
SLU
Castries
$337 Roundtrip, found 1 hour ago
$337
Roundtrip
found 1 hour ago
Select Caribbean Airlines flight, departing Sat, Sep 20 from Trinidad to Castries, returning Fri, Sep 26, priced at $337 found 1 hour ago
Caribbean Airlines
Thu, Nov 6 - Sun, Nov 16
POS
Trinidad
SLU
Castries
$339 Roundtrip, just found
$339
Roundtrip
just found
Select Caribbean Airlines flight, departing Thu, Nov 6 from Trinidad to Castries, returning Sun, Nov 16, priced at $339 just found
Caribbean Airlines
Sun, Nov 16 - Thu, Nov 20
POS
Trinidad
SLU
Castries
$341 Roundtrip, just found
$341
Roundtrip
just found
Select Caribbean Airlines flight, departing Sun, Nov 16 from Trinidad to Castries, returning Thu, Nov 20, priced at $341 just found
Hahn Air Technologies
Wed, Dec 24 - Thu, Jan 1
POS
Trinidad
SLU
Castries
$639 Roundtrip, found 3 days ago
$639
Roundtrip
found 3 days ago
Select Hahn Air Technologies flight, departing Wed, Dec 24 from Trinidad to Castries, returning Thu, Jan 1, priced at $639 found 3 days ago

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

November is typically the cheapest month to fly

From $320 - $677 per traveler.
Flights from Port of Spain (POS) to Castries (SLU)
Origin airport
Piarco Intl.
Destination airport
George F. L. Charles
Airlines serving
Caribbean Airlines, Hahn Air Technologies
Roundtrip price
$311
Distance
237 mi
Average flight time
1 hour 22 mins

Port of Spain to Castries Flights

The cheapest times to fly from Port of Spain to Castries

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

 

The best time to book a flight from Port of Spain to Castries

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

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 Castries in 2025. You can also book with separate airlines for your outbound and return journeys, from $152 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 Castries 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 Castries 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.

 

Frequently asked questions

How much does a flight from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU) cost?
Secure a cheap one-way flight from $152 or cheap return flight from $312 from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU) 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 George F. L. Charles Airport (SLU)?
The cheapest month to fly from POS to SLU is November, when there's less demand. Off-peak season is usually when you'll find lower airfares between these airports.
Which airlines fly direct from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU)?
You can fly nonstop from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU) on a Caribbean Airlines flight.
What is the cheapest airline that flies from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU)?
Use the filters on Expedia to compare airlines and find the most affordable carrier that'll fly you from POS to SLU. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU)?
On average, there is just 1 nonstop flight departing from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU) per day. If this doesn't suit your schedule, consider flights with layovers. Just customize your search on Expedia to include one or two stops to find the next best option.
What are the most popular departure times for flights from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU)?
More passengers fly between POS and SLU at 9 AM than at any other time. Prefer a quieter experience? Consider flying outside peak hours and there's a chance you'll save on your ticket as well.
What day of the week has the most flights from POS to SLU?
If you fly on a Saturday, you'll get the widest range of choices for flights from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU).
What is the earliest flight from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU)?
Catch the earliest flight at around 8:25AM UTC-4, heading out of Piarco Intl. Airport (POS). You'll be flying for around 1h 5m, touching down at George F. L. Charles Airport (SLU) at approximately 9:30AM UTC-4.
How long does it take to fly from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU)?
The average flight time from POS to SLU is 1 hour and 5 minutes, covering a distance of 240 mi.
What is the best time to fly from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU)?
Select a flight from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU) that leaves before 3 PM to reduce the risk of delays and cancellations. Departures after this time 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.
What airports do you fly into for Castries from Piarco Intl. Airport (POS)?
Check out your flight options from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU). This is the only airport in Castries you can arrive at if you're taking a direct flight.
Is it cheaper to buy a plane ticket from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU) last-minute?
Last-minute bookings from POS to SLU are usually more expensive. To secure the best prices, start looking for flights as soon as possible. That said, if you can play around with your travel dates, you may land a cheap fare just before your departure.
Is it cheaper to book a POS to SLU flight and hotel package?
You'll typically save money by securing a POS to SLU flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's easy to manage everything in one convenient place. Once you've chosen your ideal flights and accommodations, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Piarco Intl. Airport (POS) to George F. L. Charles Airport (SLU)?
In most cases, you can reschedule or cancel your POS to SLU flight. However, additional fees may apply, especially if your booking was made over 24 hours ago. Double-check your itinerary for the airline's fees and rules on flight changes, or if you need more information, visit our Customer Service portal.

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*Available to One Key members.