POS - SLU

$185 Find Cheap Flights from Port of Spain to Castries - Compare and Save

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Everything you should know

Cheapest round-trip
$387
Typical prices: $363-$492
Caribbean Airlines
Sun 11/18Sun 11/25
POS - SLU • Non-stop
Cheapest one-way
$185
Typical prices: $185-$391
Caribbean Airlines
Sun 11/25
POS - SLU • Non-stop
Nonstop flights
You can fly direct with Caribbean Airlines. Average duration is 1h 05m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 14 weeks in advance save around 29% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 12% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg $642 (round-trip)
Shortest trip • 7h 07m (one-way)
Insights
Insights
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We hope you love your trip to Castries!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Port of Spain to Castries

Wed, Nov 18 - Wed, Nov 25
Caribbean Airlines Logo
3:00 pm - 4:05 pmPOS  Port of Spain Piarco Intl-SLU Castries George F. L. Charle
1h 05mnonstop
Caribbean Airlines Logo
4:50 pm - 5:55 pmSLU  Castries George F. L. Charle-POS Port of Spain Piarco Intl
1h 05mnonstop
$387Caribbean Airlines
Wed, Jan 20 - Wed, Jan 27
Caribbean Airlines Logo
3:00 pm - 4:05 pmPOS  Port of Spain Piarco Intl-SLU Castries George F. L. Charle
1h 05mnonstop
Caribbean Airlines Logo
4:50 pm - 5:55 pmSLU  Castries George F. L. Charle-POS Port of Spain Piarco Intl
1h 05mnonstop
$388Caribbean Airlines
Sat, Oct 31 - Wed, Nov 4
Caribbean Airlines Logo
9:05 pm - 10:10 pmPOS  Port of Spain Piarco Intl-SLU Castries George F. L. Charle
1h 05mnonstop
Caribbean Airlines Logo
7:45 pm - 8:50 pmSLU  Castries George F. L. Charle-POS Port of Spain Piarco Intl
1h 05mnonstop
$398Caribbean Airlines
Sat, Dec 12 - Sun, Jan 10
Caribbean Airlines Logo
9:05 pm - 10:10 pmPOS  Port of Spain Piarco Intl-SLU Castries George F. L. Charle
1h 05mnonstop
Caribbean Airlines Logo
5:00 am - 6:05 amSLU  Castries George F. L. Charle-POS Port of Spain Piarco Intl
1h 05mnonstop
$398Caribbean Airlines
Fri, Nov 27 - Mon, Nov 30
Caribbean Airlines Logo
2:30 pm - 3:35 pmPOS  Port of Spain Piarco Intl-SLU Castries George F. L. Charle
1h 05mnonstop
Caribbean Airlines Logo
7:40 pm - 8:45 pmSLU  Castries George F. L. Charle-POS Port of Spain Piarco Intl
1h 05mnonstop
$409Caribbean Airlines
Sun, Nov 1 - Sun, Nov 8
Caribbean Airlines Logo
1:25 pm - 2:30 pmPOS  Port of Spain Piarco Intl-SLU Castries George F. L. Charle
1h 05mnonstop
Caribbean Airlines Logo
5:00 am - 6:05 amSLU  Castries George F. L. Charle-POS Port of Spain Piarco Intl
1h 05mnonstop
$409Caribbean Airlines
Sat, Oct 31 - Mon, Nov 2
Caribbean Airlines Logo
9:05 pm - 10:10 pmPOS  Port of Spain Piarco Intl-SLU Castries George F. L. Charle
1h 05mnonstop
Caribbean Airlines Logo
7:40 pm - 8:45 pmSLU  Castries George F. L. Charle-POS Port of Spain Piarco Intl
1h 05mnonstop
$411Caribbean Airlines
Fri, Nov 13 - Sun, Nov 15
Caribbean Airlines Logo
2:30 pm - 3:35 pmPOS  Port of Spain Piarco Intl-SLU Castries George F. L. Charle
1h 05mnonstop
Caribbean Airlines Logo
5:00 am - 6:05 amSLU  Castries George F. L. Charle-POS Port of Spain Piarco Intl
1h 05mnonstop
$415Caribbean Airlines
Fri, Mar 26 - Tue, Mar 30
Multiple Airlines Logo
9:00 am - 12:05 pmPOS  Port of Spain Piarco Intl-SLU Castries George F. L. Charle
3h 05m1 stop Bridgetown Grantley Adams Intl
Multiple Airlines Logo
11:45 am - 12:50 pmSLU  Castries George F. L. Charle-POS Port of Spain Piarco Intl
1h 05mnonstop
$451Multiple Airlines
Wed, Nov 18 - Wed, Nov 25
Multiple Airlines Logo
3:00 pm - 4:05 pmPOS  Port of Spain Piarco Intl-SLU Castries George F. L. Charle
1h 05mnonstop
Multiple Airlines Logo
12:35 pm - 7:40 pmSLU  Castries George F. L. Charle-POS Port of Spain Piarco Intl
7h 05m1 stop Bridgetown Grantley Adams Intl
$459Multiple Airlines
Booking Insights

Price, demand and travel trends for Port of Spain to Castries flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Port of Spain to Castries?

Round-trip flights from Port of Spain to Castries typically range from $363 to $492. The lowest price found in the past 5 days was $387, on Caribbean Airlines.

What's the cheapest day of the week to fly from Port of Spain to Castries?

Based on deals KAYAK users found in the last 12 months, Saturday is the cheapest day of the week to fly from Port of Spain to Castries. It’s 10% cheaper than the average day, while Tuesday is the most expensive, with prices 33% higher.

What’s the cheapest month to fly from Port of Spain to Castries?

•October is the cheapest month to fly from Port of Spain to Castries at $357 round-trip.
•July ($550) and August ($546) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 54% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Port of Spain to Castries the cheapest?

Flights from Port of Spain to Castries are cheapest 14 weeks before departure. Booking in this window typically costs about 29% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for Port of Spain to Castries flights

Low season

February

Cheapest flight

$185
Beat the crowds with an average 43% drop in travelers.
The most popular month to fly with an average 2% increase in travelers.
One-way flight from Port of Spain to Castries

When to book flights from Port of Spain to Castries

Are your dates flexible? Find out the best times to travel from Port of Spain to Castries based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Port of Spain to Castries flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What are the earliest and latest flights from Port of Spain to Castries?

    These are the earliest and latest flight times available from Port of Spain to Castries:

    • Earliest: departs at 7:05 am and lands at 8:10 am
    • Latest: departs at 9:05 pm and lands at 10:10 pm.

    The flight takes about 1h 05m.

  • What cabin classes can I book on flights from Port of Spain to Castries?

    Only Economy Class is available on flights from Port of Spain to Castries.

  • How long is a flight from Port of Spain to Castries?

    A nonstop flight from Port of Spain to Castries takes 1h 05m, covering 238 miles.

  • Do I need a passport to fly from Port of Spain to Castries?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • How much should I expect to pay for a Port of Spain to Castries flight?

    Round-trip flights from Port of Spain to Castries range from $363 to $492, with an average of $406 over the past 12 months. Anything below $363 counts as a good deal.

  • How expensive are last-minute Port of Spain to Castries flights?

    Last-minute fares on this route (booked within two weeks of departure) run 22% above the $406 route average. Book 14 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from Port of Spain to Castries?

    On this route, nonstop flights are cheaper than layover options on average. Nonstop fares average $389 round-trip, compared to $642 via a layover through Bridgetown Grantley Adams Intl (BGI).

  • What is the standard checked-bag allowance on flights from Port of Spain to Castries?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $39–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Port of Spain to Castries?

    The ATR 72-201 / 202 family is used most often on this route, operated mainly by Caribbean Airlines. Other aircraft seen on the route include Embraer ERJ-145 variants.

  • How are flight departures from Port of Spain to Castries spread across the day?

    Afternoon is the busiest departure period on Port of Spain to Castries flights, with 100% of flights leaving in that window. Morning departures account for 0%, evening flights for 0%, and night flights for 0%.

  • Have flight prices from Port of Spain to Castries changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $387 to $1,635. That means the highest observed fare was about 4x higher than the lowest one.

  • How are flight prices from Port of Spain to Castries looking right now?

    One-way fares from Port of Spain to Castries are currently lower than usual. Average one-way flight prices are about $226, which is 6% below the typical average for this route.

  • What car rental options are available at Castries George F. L. Charle Airport (SLU)?

    Castries George F. L. Charle Airport (SLU) hosts 5 major car rental companies, with daily rates starting from around $14 for economy cars. Top options include:

    • Ace
    • Drive A Matic
    • Final Rentals
    • Sixt
    • Hertz

  • Which airports can I use when flying from Port of Spain to Castries?

    Flights from Port of Spain to Castries usually depart from Port of Spain Piarco Intl (POS) and arrive at Castries George F. L. Charle (SLU).

  • Which airports do connecting flights from Port of Spain to Castries pass through?

    Connecting flights from Port of Spain to Castries most commonly pass through:

    • Bridgetown Grantley Adams Intl (BGI) - 94% of one-stop connections
    • St. John's V.C. Bird Intl (ANU) - 6% of one-stop connections

  • Can I save money by using flexible dates for flights from Port of Spain to Castries?

    Yes. Flexible dates can save you up to 33% on flights from Port of Spain to Castries. Saturday is the cheapest departure day at $366 round-trip on average, while Tuesday is the most expensive at $543, a difference of $177.

    Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • What airlines fly from Port of Spain to Castries?

    Only Caribbean Airlines operates flights between Port of Spain and Castries.

  • How much time can I save by choosing a different layover airport from Port of Spain to Castries?

    Flying via Bridgetown Grantley Adams Intl (BGI) gives the shortest average 1-stop total travel time at 7h 02m, compared with 7h 07m via St. John's V.C. Bird Intl (ANU).

  • Which airlines include bags at no extra cost on Port of Spain to Castries flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • Fly Salone: a cabin bag and a checked bag in Economy Class
    • Caribbean Airlines: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Your guide to booking Port of Spain to Castries flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Saturday departure and avoid flying on Tuesday. On this route, Saturday flights average $366, about $177 less than Tuesday fares (33% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 14 weeks before you fly. On this route, that window historically saves about 29% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Port of Spain to Castries trip for October. Fares historically average $357 round-trip in that month - typically $193 less than the most expensive month, which is July (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Castries George F. L. Charle Airport.

    • Stolen Time St. Lucia
    • Sandals Regency La Toc

Prefer to fly direct from Port of Spain to Castries?

 
Find which airlines fly direct from Port of Spain Piarco Intl Airport to Castries George F. L. Charle Airport, which days they fly and book direct flights.

Direct departures

Port of Spain Piarco Intl to Castries George F. L. Charle

Monday

Caribbean Airlines

Caribbean Airlines

Tuesday

Caribbean Airlines

Caribbean Airlines

Wednesday

Caribbean Airlines

Caribbean Airlines

Thursday

Caribbean Airlines

Caribbean Airlines

Friday

Caribbean Airlines

Caribbean Airlines

Saturday

Caribbean Airlines

Caribbean Airlines

Sunday

Caribbean Airlines

Caribbean Airlines

See more direct flights

Direct returns

Castries George F. L. Charle to Port of Spain Piarco Intl

Monday

Caribbean Airlines

Caribbean Airlines

Tuesday

Caribbean Airlines

Caribbean Airlines

Wednesday

Caribbean Airlines

Caribbean Airlines

Thursday

Caribbean Airlines

Caribbean Airlines

Friday

Caribbean Airlines

Caribbean Airlines

Saturday

Caribbean Airlines

Caribbean Airlines

Sunday

Caribbean Airlines

Caribbean Airlines

See more direct flights

More options for your flight from Port of Spain to Castries

Complete your trip to Castries with a hotel stay or car rental