Cheap flights from Port of Spain to Castries

Piarco
POS
George F. L. Charles
SLU

Flight deals from Port of Spain to Castries

Below you can see the best deals on flights Port of Spain — Castries for upcoming dates. Direct and connecting flights from various airlines — compare prices and choose the right ticket.

The lowest price for the next 2 months is on 9 September, from $402.

Top 10 cheap flights from Port of Spain to Castries

AA
AC
AC
AC
$ 402

Port of Spain — Castries

15:06—14:15
9 Sep 2026
47 h 9 m
3 stops
AA
AC
AC
$ 406

Port of Spain — Castries

15:06—14:15
9 Sep 2026
47 h 9 m
2 stops
UA
UA
UA
AC
AC
$ 415

Port of Spain — Castries

00:30—14:15
9 Sep 2026
61 h 45 m
4 stops
UA
UA
UA
WS
WS
$ 437

Port of Spain — Castries

00:30—13:40
12 Sep 2026
37 h 10 m
4 stops
AC
WS
$ 446

Port of Spain — Castries

01:20—13:40
12 Sep 2026
36 h 20 m
1 stop
AA
AC
AC
$ 447

Port of Spain — Castries

15:06—14:15
10 Sep 2026
23 h 9 m
2 stops
UA
UA
WS
WS
$ 447

Port of Spain — Castries

02:00—13:40
5 Sep 2026
35 h 40 m
3 stops
UA
UA
PB
AC
AC
$ 453

Port of Spain — Castries

02:00—14:20
31 Aug 2026
36 h 20 m
4 stops
UA
UA
PB
AC
AC
$ 453

Port of Spain — Castries

02:00—14:20
31 Aug 2026
36 h 20 m
4 stops
UA
UA
WS
$ 456

Port of Spain — Castries

00:30—13:40
12 Sep 2026
37 h 10 m
2 stops

Prices were found in the last 72 hours and may change — check the exact price when you continue.

About the Port of Spain — Castries flight

Looking for cheap flights from Port of Spain to Castries? Compare fares from different airlines, check the flight schedule and travel time — and book your Port of Spain — Castries ticket online at the best price.

The route has direct flights — around 1 flight per week, flights are operated by Caribbean Airlines, a nonstop flight takes about 18 h 5 min, the distance between the cities is around 375 km.

Planning your trip? You may find our Castries travel guide, how to get from the airport into town and Castries weather forecast useful. To catch a low fare, use the low-price calendar and the monthly price chart on this page.

Facts about this route

from $402Min. price
SeptemberCheapest
NovemberPeak season
YesDirect flights
375 kmDistance
18 h 5 minTravel time
1Airlines
1 / wkFlights

Flight ticket prices by day: Port of Spain — Castries

Below is a calendar of the lowest flight ticket prices for Port of Spain — Castries by day. Pick a convenient date and instantly see the fare. The cheapest flights on this route start from $402 in September, and the most expensive are around $602 in November. If your travel dates are flexible, the calendar will help you find the best price for your preferred period. To view round-trip fares, switch to the "Round trip" tab above the calendar, select your departure date — and the right-hand calendar will highlight the lowest prices for return flights on each day.

 
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Prices by month

Average one-way fares from Port of Spain to Castries by month. Tickets are usually cheapest in May (around $174) and priciest in December (about $240) — use the table and chart below to pick the best time to fly.

MonthAverage priceLevelMonthAverage priceLevelMonthAverage priceLevel
Jan$234highMay$174lowSep$174low
Feb$234highJun$174lowOct$174low
Mar$228highJul$204mediumNov$198medium
Apr$204mediumAug$204mediumDec$240high

Some values are estimated based on seasonality.

When to fly

Weather in Castries: it is warmest in September (up to 29 °C on average) and coolest in January (around 27 °C). The driest month is March.

Tickets are usually cheapest in September and most expensive in November. Compare prices and weather by month in the charts below to pick the best time to fly.

Temperature · Castries

Dry and wet days · Castries

Wind speed and direction · Castries

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How to get the best deal on a Port of Spain — Castries ticket

  • Book ahead: fares for Port of Spain — Castries are usually lower 3–8 weeks before departure than at the last minute.
  • Play with your dates — Tuesday, Wednesday and Saturday departures are often cheaper than Friday and Sunday.
  • The cheapest month to fly to Castries is usually September — plan your trip around it if your dates are flexible.
  • Compare direct and connecting flights: nonstop is faster, while a connection is sometimes noticeably cheaper.
  • Watch the low-price calendar and the monthly price trend on this page — they make it easier to catch a good date.
  • Travelling light? Pick a cabin-baggage-only fare — tickets without checked luggage are noticeably cheaper.
  • Get to the airport in good time — about 2–3 hours before an international departure and roughly an hour before a domestic one.

Airlines

Flights on the Port of Spain — Castries route are operated by 1 airline; Caribbean Airlines runs the most flights (around 100% of all flights). Compare carriers, flight shares and schedules below.

  • Caribbean AirlinesBW
    1x/week
    WebsiteFleet: 192.2M pax/year
    • Direct flight POS → SLU1x/week
    100.0%Open →

Cities and airports on the Port of Spain — Castries route

Flights Port of Spain — Castries depart from Piarco International Airport and arrive at Hewanorra Airport and George F. L. Charles Airport. Below are pages for the cities, countries, and airports on the route: airlines, schedules, and travel guides.

Departure

Port of Spain

POS
Trinidad and Tobago
About the cityHow to get thereWeatherAll about the country Trinidad and Tobago
Arrival

Castries

SLU
Saint Lucia
About the cityHow to get thereWeatherAll about the country Saint Lucia
Departure airports
Arrival airports

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Frequently asked questions about the Port of Spain — Castries flight

How long is the flight from Port of Spain to Castries?

A nonstop Port of Spain — Castries flight takes about 18 h 5 min — the distance between the cities is around 375 km.

How far is it from Port of Spain to Castries?

The distance from Port of Spain to Castries is about 375 km, which a nonstop flight covers in around 18 h 5 min.

Are there direct flights from Port of Spain to Castries?

Yes, there are nonstop flights Port of Spain — Castries — around 1 flight per week.

Which airlines fly from Port of Spain to Castries?

Airlines operating Port of Spain — Castries include Caribbean Airlines. See the full list with schedules in the "Airlines" section on this page.

Which airports do Port of Spain — Castries flights use?

Flights from Port of Spain depart from Piarco International Airport, and arrive at Hewanorra Airport, George F. L. Charles Airport. If a city has more than one airport, check which one your ticket uses before you travel.

How much is a ticket from Port of Spain to Castries?

The price of a Port of Spain — Castries ticket depends on your travel date, season and demand: it is usually cheapest to fly in September, and most expensive in November. Tickets typically cost between $402 and $602. Check the current lowest fare and low-price calendar on this page.

When is the best time to book flights Port of Spain — Castries?

Flights Port of Spain — Castries are usually cheaper when booked in advance — a few weeks before departure and away from peak dates; the most budget-friendly month to fly is September. Compare prices by month in the price trend chart on this page.

How can I find the cheapest flights from Port of Spain to Castries?

To catch a low fare Port of Spain — Castries, book a few weeks in advance, keep your dates flexible, and compare airlines and connecting options. The low-price calendar and monthly price chart on this page show the cheapest days and months at a glance: the most budget-friendly month to fly is usually September.

How early should I arrive at the airport?

For international flights, plan to be at the airport about 2–3 hours before departure, and around an hour before a domestic flight. Allow extra time during busy travel seasons and at large hubs, where check-in and security lines can be longer.

Where else you can fly from Port of Spain

See all
New York CityBridgetownMiamiTorontoScarboroughGeorgetownPanama CitySt. George'sHoustonFort-de-FranceFort LauderdaleLondonOrlandoSan JuanAmsterdamSt. John'sKingstonPointe-à-PitreWillemstadParamariboPhilipsburgNassauKingstownDominicaHavanaParisBostonMexico CityCaracasMadrid

Where else you can fly from Castries

See all
BridgetownNew York CityMiamiFort-de-FranceCharlotteAtlantaTorontoLondonGeorgetownChicagoSt. George'sPhilipsburgPhiladelphiaParisMadrid

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