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Cheap flights from Port Of Spain to Castries

Compare Port Of Spain to Castries flight deals

Find the cheapest month or even day of the year to fly to Castries

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Flight deals from Port Of Spain Airport 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 $352. Find the lowest prices on one-way and round-trip tickets right here.
Castries.$352 per passenger.Departing Sat, Apr 18, returning Mon, Apr 20.Round-trip flight with Caribbean Airlines.Outbound direct flight with Caribbean Airlines departing from Port Of Spain on Sat, Apr 18, arriving in St Lucia Vigie.Inbound direct flight with Caribbean Airlines departing from St Lucia Vigie on Mon, Apr 20, arriving in Port Of Spain.Price includes taxes and charges.From $352, select.
Castries.$368 per passenger.Departing Wed, May 27, returning Sat, May 30.Round-trip flight with Caribbean Airlines.Outbound direct flight with Caribbean Airlines departing from Port Of Spain on Wed, May 27, arriving in St Lucia Vigie.Inbound direct flight with Caribbean Airlines departing from St Lucia Vigie on Sat, May 30, arriving in Port Of Spain.Price includes taxes and charges.From $368, select.
Castries.$370 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 $370, select.
Castries.$392 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 $392, select.
Castries.$399 per passenger.Departing Thu, Apr 30, returning Thu, May 7.Round-trip flight with Caribbean Airlines.Outbound direct flight with Caribbean Airlines departing from Port Of Spain on Thu, Apr 30, arriving in St Lucia Vigie.Inbound direct flight with Caribbean Airlines departing from St Lucia Vigie on Thu, May 7, arriving in Port Of Spain.Price includes taxes and charges.From $399, select.
Castries.$428 per passenger.Departing Mon, Mar 23, returning Sun, Mar 29.Round-trip flight with Caribbean Airlines.Outbound indirect flight with Caribbean Airlines, departing from Port Of Spain on Mon, Mar 23, arriving in St Lucia Vigie.Inbound indirect flight with Caribbean Airlines, departing from St Lucia Vigie on Sun, Mar 29, arriving in Port Of Spain.Price includes taxes and charges.From $428, select.
Castries.$579 per passenger.Departing Sat, Aug 8, returning Thu, Aug 13.Round-trip flight with interCaribbean Airways and Caribbean Airlines.Outbound indirect flight with interCaribbean Airways, departing from Port Of Spain on Sat, Aug 8, arriving in St Lucia Vigie.Inbound indirect flight with Caribbean Airlines, departing from St Lucia Vigie on Thu, Aug 13, arriving in Port Of Spain.Price includes taxes and charges.From $579, select.
Castries.$1,190 per passenger.Departing Tue, Jul 14, returning Sun, Jul 19.Round-trip flight with Caribbean Airlines and Sunrise Airways.Outbound indirect flight with Caribbean Airlines, departing from Port Of Spain on Tue, Jul 14, arriving in St Lucia Hewanorra.Inbound indirect flight with Sunrise Airways, departing from St Lucia Hewanorra on Sun, Jul 19, arriving in Port Of Spain.Price includes taxes and charges.From $1,190, 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 April.
Mar
from $428
Apr
from $352
May
from $368
Jun
from $370
Jul
from $1,190
Aug
from $579
Sep
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Oct
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Nov
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Dec
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Jan
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Feb
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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 $352
Search flights

St Lucia Hewanorra

31km from central Castries
from $781
Search flights

Check out these Castries hotels

Ready to plan your stay? Other travelers rate these Castries hotels for cleanliness, service, and location.
Marigot Palms Luxury Guesthouse
5.74 km from city center
$245
Per night
Bel Jou Adults Only - All Inclusive
1.80 km from city center
$352
Per night
StolenTime St Lucia
2.30 km from city center
$1,395
Per night
Marigot Palms Luxury Guesthouse
5.74 km from city center
$245
Per night
Bel Jou Adults Only - All Inclusive
1.80 km from city center
$352
Per night
StolenTime St Lucia
2.30 km from city center
$1,395
Per night
Explore top-rated hotels

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 $352. 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 16 flights per week flying from Port Of Spain to Castries, as of March 2026.
The cheapest month to fly from Port Of Spain to Castries is usually April.
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 $352.
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, April 18, 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 March, the average temperature is usually around 26°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.

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

  • Around 1 hour 5 minutes is how long you can expect to be in the air on a direct flight from Piarco International Airport to Castries.

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

  • The most popular route is from Piarco International Airport (POS) to George F. L. Charles Airport (SLU). There are seven services every week between these two airports. Caribbean Airlines offers a 08:25 departure between POS and SLU.

  • Leave plenty of time to make your POS to Castries flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • If you're jetting off during a public holiday or another peak period, give yourself more time. A good general rule is two hours before domestic flights and up to four hours before international departures. Lines at check-in and security will be longer.

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

  • Book your favorite seat with Caribbean Airlines. This well-known carrier operates direct flights from Piarco International Airport to Castries.

  • A stopover is the perfect opportunity to break up your trip and perhaps even explore another city. When browsing for flight tickets from POS to Castries, uncheck the 'Direct flights only' box to see where you can stop along the way. Here are some options to consider:

    • Grantley Adams International Airport (BGI)

    • V.C. Bird International Airport (ANU)

    • A.N.R. Robinson International Airport (TAB)

  • Central Port Of Spain to POS is around 19 kilometers. Depending on traffic, it'll take about 30 minutes to reach there if you're catching a cab, ride-sharing or driving.

  • Searching for a hotel near POS? If you're catching an early flight from Piarco International Airport to Castries, these accommodation options put the terminal practically at your doorstep:

  • 78.97% of flights that depart Piarco International Airport reach their destination on time.

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

  • The lowest price we've seen for a one-way Piarco International Airport to Castries flight is $171. The cheapest price for a return flight is $352. Keep in mind fares can change due to demand at the time of booking.

  • To pick up cheap flights from POS to Castries, reserve your trip two months before your departure.

  • June is the best month for nabbing an awesome deal on Piarco International Airport to Castries tickets. If you want to travel at a different time of year, the 'Whole month' tool will show you the lowest prices across every month.

  • Cut down on the time spent looking for cheap flights from POS to Castries by creating a Price Alert. You'll get an email or notification on the app when a new low fare is offered.

  • Snag an affordable flight from Piarco International Airport to Castries with the help of our filters. Choose your preferred departure time, duration and airlines, then sort the results by 'Cheapest' to see the best deals.

Airports in Castries

George F. L. Charles Airport (SLU)

  • The distance from George F. L. Charles Airport (SLU) to central Castries is roughly 3 kilometers. It takes around 5 minutes to get to the center driving.

  • If you're traveling by public transport, expect a journey time of around 40 minutes.

  • Consider staying in a hotel close to SLU if you're coming in on a late flight from Piarco International Airport to Castries. Select one of these options and make your arrival easier:

  • Get on the fast track to adventure by picking up a George F. L. Charles Airport rental car. Grab your wheels from Drive A Matic, Final Rentals or Sixt and explore beyond Castries's main sights.

  • Reserving your vehicle from George F. L. Charles Airport about one week ahead of your flight from POS to Castries can help you get the best possible rate.

Hewanorra Airport (UVF)

  • Once your flight from Piarco International Airport to Castries has landed, you can make your way to the city center in about 1 hour 10 minutes by car. Central Castries is roughly 56 kilometers from Hewanorra Airport (UVF).

  • Hang up the 'Do not disturb' sign and unwind at a hotel near UVF. Here are a few options where you can tuck yourself in after your POS to Castries flight:

  • No need to worry about public transport schedules or slow-moving cab lines. Grab a Hewanorra Airport rental car and let the journey unfold your way. Compare availability and rates from Drive A Matic, Sixt and Final Rentals.

  • Avoid potential price surges. Securing your ride one week ahead of your arrival at UVF will help you stay within budget.

Best time to go to Castries

  • Carefully consider your trip dates before locking in your flight from Piarco International Airport to Castries. The city buzzes during peak season, but rates are usually higher and major attractions can get busy. Visit Castries in the low season if you like a more relaxed vibe.

  • When booking your Piarco International Airport to Castries flight ticket, think about the kind of weather you prefer. September is the warmest month in Castries, with temperatures ranging from 26ºC (79ºF) to 30ºC (86ºF).

  • 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 when it's cooler.

More about Castries

  • When it comes to looking for somewhere to rest your head, you'll find the best places to stay in Castries right here. Check out these options after you've booked your flight from Piarco International Airport to Castries:

  • Morne Fortune and Derek Walcott Square are just a couple of the big attractions to put on your Castries itinerary. Keep the sightseeing going at Immaculate Conception Church.

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.