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Cheap flights from Port Of Spain to Castries

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Flight deals from Port Of Spain to Castries

Looking for a cheap last-minute deal or the best round-trip flight from Port Of Spain Airport to Castries? If you want to travel next month, round-trip fares start from $409. Find the lowest prices on one-way and round-trip tickets right here.
Castries.$394 per passenger.Departing Sat, May 23, returning Sun, May 24.Round-trip flight with Caribbean Airlines.Outbound direct flight with Caribbean Airlines departing from Port Of Spain on Sat, May 23, arriving in St Lucia Vigie.Inbound direct flight with Caribbean Airlines departing from St Lucia Vigie on Sun, May 24, arriving in Port Of Spain.Price includes taxes and charges.From $394, select.
Castries.$409 per passenger.Departing Mon, Jun 15, returning Sun, Jun 21.Round-trip flight with Caribbean Airlines.Outbound direct flight with Caribbean Airlines departing from Port Of Spain on Mon, Jun 15, arriving in St Lucia Vigie.Inbound direct flight with Caribbean Airlines departing from St Lucia Vigie on Sun, Jun 21, arriving in Port Of Spain.Price includes taxes and charges.From $409, select.
Castries.$450 per passenger.Departing Tue, Nov 10, returning Wed, Nov 11.Round-trip flight with Caribbean Airlines.Outbound indirect flight with Caribbean Airlines, departing from Port Of Spain on Tue, Nov 10, arriving in St Lucia Vigie.Inbound indirect flight with Caribbean Airlines, departing from St Lucia Vigie on Wed, Nov 11, arriving in Port Of Spain.Price includes taxes and charges.From $450, select.
Castries.$489 per passenger.Departing Sat, Oct 10, returning Sun, Nov 1.Round-trip flight with Caribbean Airlines and interCaribbean Airways.Outbound indirect flight with Caribbean Airlines, departing from Port Of Spain on Sat, Oct 10, arriving in St Lucia Vigie.Inbound indirect flight with interCaribbean Airways, departing from St Lucia Vigie on Sun, Nov 1, arriving in Port Of Spain.Price includes taxes and charges.From $489, select.
Castries.$489 per passenger.Departing Thu, Sep 24, returning Sun, Sep 27.Round-trip flight with Caribbean Airlines.Outbound direct flight with Caribbean Airlines departing from Port Of Spain on Thu, Sep 24, arriving in St Lucia Vigie.Inbound direct flight with Caribbean Airlines departing from St Lucia Vigie on Sun, Sep 27, arriving in Port Of Spain.Price includes taxes and charges.From $489, select.
Castries.$514 per passenger.Departing Fri, Jul 24, returning Wed, Jul 29.Round-trip flight with Caribbean Airlines.Outbound direct flight with Caribbean Airlines departing from Port Of Spain on Fri, Jul 24, arriving in St Lucia Vigie.Inbound direct flight with Caribbean Airlines departing from St Lucia Vigie on Wed, Jul 29, arriving in Port Of Spain.Price includes taxes and charges.From $514, select.
Castries.$529 per passenger.Departing Fri, May 29, returning Mon, Jun 1.Round-trip flight with Caribbean Airlines.Outbound direct flight with Caribbean Airlines departing from Port Of Spain on Fri, May 29, arriving in St Lucia Vigie.Inbound direct flight with Caribbean Airlines departing from St Lucia Vigie on Mon, Jun 1, arriving in Port Of Spain.Price includes taxes and charges.From $529, select.
Castries.$575 per passenger.Departing Mon, Oct 19, returning Sat, Oct 24.Round-trip flight with interCaribbean Airways and Caribbean Airlines.Outbound indirect flight with interCaribbean Airways, departing from Port Of Spain on Mon, Oct 19, arriving in St Lucia Vigie.Inbound indirect flight with Caribbean Airlines, departing from St Lucia Vigie on Sat, Oct 24, arriving in Port Of Spain.Price includes taxes and charges.From $575, select.
Castries.$590 per passenger.Departing Mon, Aug 31, returning Wed, Sep 2.Round-trip flight with interCaribbean Airways.Outbound indirect flight with interCaribbean Airways, departing from Port Of Spain on Mon, Aug 31, arriving in St Lucia Vigie.Inbound indirect flight with interCaribbean Airways, departing from St Lucia Vigie on Wed, Sep 2, arriving in Port Of Spain.Price includes taxes and charges.From $590, select.
Castries.$656 per passenger.Departing Thu, Aug 13, returning Wed, Aug 19.Round-trip flight with interCaribbean Airways.Outbound indirect flight with interCaribbean Airways, departing from Port Of Spain on Thu, Aug 13, arriving in St Lucia Vigie.Inbound indirect flight with interCaribbean Airways, departing from St Lucia Vigie on Wed, Aug 19, arriving in Port Of Spain.Price includes taxes and charges.From $656, select.

Find the cheapest month to fly from Port Of Spain to Castries

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Port Of Spain to Castries flights are currently cheapest in May.
May
from $394
Jun
from $409
Jul
from $514
Aug
from $656
Sep
from $489
Oct
from $575
Nov
from $450
Dec
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Jan
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Feb
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Mar
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Apr
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Direct flights from Port Of Spain to Castries

Alternative Port Of Spain to Castries routes

Looking for the cheapest, fastest or easiest route from Port Of Spain to Castries? You could fly into the following airports instead.

St Lucia Vigie

1km from central Castries
ClosestCheapest
from $394
Search flights

St Lucia Hewanorra

31km from central Castries
from $2,465
Search flights

Port Of Spain to Castries: Flight information

The things to know before you go.
Cheapest flight found$394
Cheapest month to flyMay
Average flight time1 hr, 3 mins
Most popular airlineCaribbean Airlines
Average flights per week14

Finding cheap flights from Port Of Spain to Castries: Frequently asked questions

There are 2 airports in Castries: St Lucia Vigie and St Lucia Hewanorra.
The best price we found for a round-trip flight from Port Of Spain to Castries is $394. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
1 hour and 2 minutes is the average flight time from Port Of Spain to Castries.
Caribbean Airlines and Air Caraibes fly direct from Port Of Spain to Castries.
There are 14 flights per week flying from Port Of Spain to Castries, as of May 2026.
The cheapest month to fly from Port Of Spain to Castries is usually May.
If you're flying from Port Of Spain Airport, the cheapest airport near Castries is St Lucia Vigie – which is 1.5 km away from the center of Castries. We've found flights to this airport from $394.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Port Of Spain Airport to Castries on Saturday, May 23, 2026.
Yes – the average flight time is 1 hour and 2 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Castries but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Castries is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 27°C. September is typically the warmest month in Castries, when it usually averages around 28°C. You can expect the least rain in February. The coldest month is February, with temperatures averaging 25°C. The rainiest month is October.
Currently, Caribbean Airlines offers the cheapest flight tickets to Castries.

Flying from Piarco International Airport (POS) to Castries: what you need to know

  • Port Of Spain (the location of Piarco International Airport) and Castries share the same timezone — UTC-4.

  • With seven weekly departures between the two airports, Piarco International Airport (POS) to Castries George F. L. Charles Airport (SLU) is the busiest route. Catch Caribbean Airlines's 08:25 flight to get your trip from POS to SLU underway.

  • For a relaxed start to your POS to Castries flight, leave plenty of time for things like check-in and baggage drop. Turning up two hours before international departures and one hour before domestic flights is the general rule.

  • You can expect longer queues in popular months like August. Arriving up to four hours ahead of international flights and two hours for a domestic departure is a wise move.

  • You can book a direct Piarco International Airport to Castries ticket. Begin your journey at POS and land at Castries George F. L. Charles Airport (SLU).

  • Be on the lookout for offers from Caribbean Airlines. This airline has direct flights from Piarco International Airport to Castries.

  • We make it simple to book plane tickets from POS to Castries with a stopover. To see your options, uncheck 'Direct flights only.' Next, select a flight with a stop long enough to see the sights of your chosen city. Top stopovers include:

    • Grantley Adams International Airport (BGI)

    • Antigua V.C. Bird International Airport (ANU)

    • Tobago ANR Robinson International Airport (TAB)

  • The journey from central Port Of Spain to POS takes around 50 minutes by public transport. If you drive, ride-share or grab a cab, you'll cover the 19 kilometers in 30 minutes or so, depending on traffic.

  • Booked an early flight from Piarco International Airport to Castries? Avoid the stress of rushing to the airport (and enjoy a little extra shut-eye) by choosing one of these hotels close to POS:

  • 72% of flights taking off from Piarco International Airport reach their destination on schedule.

How to find the cheapest flights from Piarco International Airport (POS) to Castries

  • $186 is the cheapest price we've found for a one-way Piarco International Airport to Castries flight. A return ticket right now is $394. Depending on when you want to go and the availability, these fares may change.

  • Book one month before your departure date. Pricing trends show that this is the ideal window for finding cheap flights from POS to Castries.

  • Schedule your trip for June. That's the best month for landing an epic deal on Piarco International Airport to Castries tickets. If you have flexibility with your dates, use the 'Whole month' tool to find the cheapest price across every month.

  • Spend less time searching for cheap flights from POS to Castries by creating a Price Alert. You'll get an email or notification on the app when fares go down.

  • Tailor your trip with filters. Choose your arrival and departure times, total journey duration and airlines. You can also sort the results by 'Best,' 'Fastest' or 'Cheapest' flights from Piarco International Airport to Castries.

Airports in Castries

St Lucia Hewnorra International Airport (UVF)

  • St Lucia Hewnorra International Airport (UVF) is around 72 kilometers from central Castries. If you're opting for a ride-share or a cab, the drive will take roughly 1 hour 30 minutes.

  • If you're traveling on public transport, expect a journey time of about 2 hours.

  • Consider booking a hotel close to UVF if you're coming in on a late flight from Piarco International Airport to Castries. Pick one of these accommodation options and make your first night all about rest:

  • Booking your vehicle from St Lucia Hewnorra International Airport around one week ahead of your flight from POS to Castries can help you secure the lowest rate.

Castries George F. L. Charles Airport (SLU)

  • Castries George F. L. Charles Airport (SLU) is roughly 3 kilometers from central Castries. After your flight from Piarco International Airport to Castries, it'll take you around 10 minutes to reach the heart of the city in a ride-share or cab.

  • If you choose to travel on public transport, the ride to the center will take you 15 minutes or so.

  • You'll find some comfortable places to park your luggage (and yourself) near SLU. Tuck yourself in and get cozy after your POS to Castries flight at any of these well-located options:

  • Score the best price by securing your ride from SLU one week ahead of time. You'll also have access to a wider selection of vehicles.

Best time to go to Castries

  • September is the quietest month for flights from Piarco International Airport to Castries, while February is the most popular. Pick the ideal time to go to Castries based on whether you like a laid-back vibe or a lively atmosphere.

  • The warmest month in Castries is September, with temperatures ranging between 26ºC (79ºF) and 30ºC (86ºF). Book your Piarco International Airport to Castries plane ticket then if that's your definition of good weather.

  • February sees average temperatures of between 24ºC (75ºF) and 28ºC (82ºF). Search for a cheap ticket from POS to Castries around that time if you want to travel in cooler conditions.

More about Castries

  • Once you've booked your flight from Piarco International Airport to Castries, choose a hotel that combines comfort with a great location. Make one of these options your base for exploring Castries:

  • Every great vacation has to include a little sightseeing. Malabar Beach, Vigie Beach and Morne Fortune are must-do's during your Castries adventure.

More travel options

Plan the rest of your trip from Port Of Spain to Castries

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.