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Saint Lucia

$143+ Cheap flights from Port of Spain (POS) to Saint Lucia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
POS — UVF
Aug 19 — Aug 261
Tue 8/19
Tue 8/26
1 adult, Economy
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Cheap flight deals from Port of Spain to Saint Lucia

Keep the following information in mind while searching for Port of Spain to Saint Lucia flight deals. Data was last updated August 14, 2025.

Round-trip from

$295
(Mytrip)

One-way from

$143
(KAYAK)

Popular in

July

Cheapest in

March

Average price

$488

Good round-trip deal

$319 or less

Good one-way deal

$240 or less
From Port of Spain Piarco Intl to Saint Lucia
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One-way flight from Port of Spain Piarco Intl to Saint Lucia
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Highest demand for flights based on searches. 15% potential increase in price ($68 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a round-trip flight from Port of Spain Piarco Intl to Saint Lucia.
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Price to beat on a one-way flight from Port of Spain Piarco Intl to Saint Lucia.
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Find flight deals from Port of Spain to Saint Lucia

Cheapest flights from Port of Spain to Saint Lucia
Explore the most affordable flight options available from Port of Spain to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 14, 2025.

This Mytrip deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:25 amPOS - SLU
Nonstop1h 05mCaribbean Airlines
Fri 9/1912:15 pmSLU - POS
Nonstop1h 05mCaribbean Airlines
Deal found 8/13$295
This SmartFares deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/299:05 pmPOS - SLU
Nonstop1h 05mCaribbean Airlines
Wed 12/310:25 amSLU - POS
Nonstop1h 05mCaribbean Airlines
Deal found 8/11$302
This SmartFares deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/152:45 pmPOS - SLU
Nonstop1h 05mCaribbean Airlines
Fri 9/1912:15 pmSLU - POS
Nonstop1h 05mCaribbean Airlines
Deal found 8/12$314
This Caribbean Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Caribbean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:25 amPOS - SLU
Nonstop1h 05mCaribbean Airlines
Sat 12/136:20 pmSLU - POS
Nonstop1h 05mCaribbean Airlines
Deal found 8/14$320
This SmartFares deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2810:25 amPOS - SLU
Nonstop1h 05mCaribbean Airlines
Tue 12/27:30 amSLU - POS
1 stop6h 45mCaribbean Airlines
Deal found 8/11$323
This Mytrip deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/309:05 pmPOS - SLU
Nonstop1h 05mCaribbean Airlines
Fri 9/1912:15 pmSLU - POS
Nonstop1h 05mCaribbean Airlines
Deal found 8/12$336
This Mytrip deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/239:05 pmPOS - SLU
Nonstop1h 05mCaribbean Airlines
Sun 9/285:00 amSLU - POS
Nonstop1h 05mCaribbean Airlines
Deal found 8/12$337
This Caribbean Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Caribbean Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/248:25 amPOS - SLU
Nonstop1h 05mCaribbean Airlines
Sun 9/285:00 amSLU - POS
Nonstop1h 05mCaribbean Airlines
Deal found 8/14$343
This SmartFares deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/49:05 pmPOS - SLU
Nonstop1h 05mCaribbean Airlines
Sun 10/512:10 pmSLU - POS
1 stop3h 10mCaribbean Airlines
Deal found 8/13$351
This SmartFares deal was found by Cheapflights users on 8/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/199:55 pmPOS - SLU
1 stop19h 35mCaribbean Airlines
Sat 10/256:20 pmSLU - POS
Nonstop1h 05mCaribbean Airlines
Deal found 8/11$357

Cheapflights Fare Finder

 
Customize your flight search to find flights from Port of Spain to Saint Lucia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
Use the filters below to find and compare flights from Port of Spain to Saint Lucia that are best for you.

Fly from

Port of Spain

Fly to

Saint Lucia

Route

Depart

Return

Price

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Fri 9/12

10:25 am-11:30 am

Nonstop1h 05m

Castries George F. L. Charle

Fri 9/19

12:15 pm-1:20 pm

Nonstop1h 05m

$295

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Sat 11/29

9:05 pm-10:10 pm

Nonstop1h 05m

Castries George F. L. Charle

Wed 12/3

10:25 am-11:30 am

Nonstop1h 05m

$302

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Mon 9/15

2:45 pm-3:50 pm

Nonstop1h 05m

Castries George F. L. Charle

Fri 9/19

12:15 pm-1:20 pm

Nonstop1h 05m

$314

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Sat 10/4

9:05 pm-10:10 pm

Nonstop1h 05m

Castries George F. L. Charle

Sun 10/5

5:00 am-6:05 am

Nonstop1h 05m

$314

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Sun 10/19

10:40 am-11:45 am

Nonstop1h 05m

Castries George F. L. Charle

Sat 10/25

6:20 pm-7:25 pm

Nonstop1h 05m

$314

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Fri 12/5

10:25 am-11:30 am

Nonstop1h 05m

Castries George F. L. Charle

Sat 12/13

6:20 pm-7:25 pm

Nonstop1h 05m

$320

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Fri 11/28

10:25 am-11:30 am

Nonstop1h 05m

Castries George F. L. Charle

Tue 12/2

7:30 am-2:15 pm

1 stop6h 45m

$323

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Fri 1/2

10:25 am-11:30 am

Nonstop1h 05m

Castries George F. L. Charle

Mon 1/5

4:35 pm-5:40 pm

Nonstop1h 05m

$333

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Sat 9/27

9:05 pm-10:10 pm

Nonstop1h 05m

$143

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Fri 10/31

10:25 am-11:30 am

Nonstop1h 05m

$144

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/13

Showing 1-10 of 13 results
1
2

Best time to book a flight from Port of Spain to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Port of Spain with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Port of Spain to Saint Lucia

What is the cheapest month to book a flight from Port of Spain to Saint Lucia?

Currently, January is the cheapest month in which you can book a flight from Port of Spain to Saint Lucia (average of $556). Flying from Port of Spain to Saint Lucia in December is currently the most expensive (average of $730). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from POS to LC?

Find hourly flight availability from Port of Spain to Saint Lucia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 14, 2025.

A simple way to save on the total cost of your ticket is to fly from Port of Spain to Saint Lucia in the morning. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the afternoon.

Reviews of airlines servicing Saint Lucia

Get insights into the airlines that provide service to Saint Lucia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Lucia. Reviews last updated August 14, 2025.
Peruse reviews from past customers who have flown with Caribbean Airlines from Port of Spain to Saint Lucia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Caribbean Airlines
8.1
Very good
169 reviews

Boarding

8.1

Overall

8.1

Entertainment

6.7

Comfort

7.9

Crew

8.4

Food

6.8

Reviews

1 / 10
6.0
Good

Anonymous,Jul 2025

GEO - POS

The crew was welcoming and helpful. No entertainment no meal only a drink.
Caribbean Airlines
8.1
Very good
169 reviews
Caribbean Airlines
8.1
Very good
169 reviews

Boarding

8.1

Overall

8.1

Entertainment

6.7

Comfort

7.9

Crew

8.4

Food

6.8

Reviews

1 / 10
6.0
Good

Anonymous,Jul 2025

GEO - POS

The crew was welcoming and helpful. No entertainment no meal only a drink.

Related info for your journey

Find useful and relevant information for your journey from Port of Spain to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Port of Spain to Saint Lucia?

    Port of Spain Piarco Intl (POS), located 12.6 mi from the city center, is the airport you fly out of when you book flights from Port of Spain to Saint Lucia.

  • Can I find deals for flights from Port of Spain to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Port of Spain to Saint Lucia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Port of Spain to Saint Lucia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Port of Spain to Saint Lucia.

  • Can I find deals for business class flights from Port of Spain to Saint Lucia?

    Yes. Cheapflights offers flight deals from Port of Spain to Saint Lucia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Port of Spain to Saint Lucia?

    Currently, January is the cheapest month in which you can book a flight from Port of Spain to Saint Lucia (average of $556). Flying from Port of Spain to Saint Lucia in December is currently the most expensive (average of $730). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Port of Spain to Saint Lucia

Discover the top airline that operate flights from Port of Spain to Saint Lucia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated August 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Caribbean AirlinesCheapest$283Average$398FlexibilityNo cancel feeOn-timeN/A

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