$166+ Cheap flights from Port of Spain (POS) to Saint Lucia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/28. Fares are subject to change and may not be available on all flights or dates of travel.
POS — UVF
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Find cheap flights from Port of Spain to Saint Lucia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Port of Spain to Saint Lucia
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Best
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One-way
Cheapest flights from Port of Spain to Saint LuciaExplore 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 September 17, 2026.
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 September 17, 2026.
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:05 am -
Nonstop1h 05m
Tue 10/1311:45 am -
Nonstop1h 05m
Deal found 9/13![Caribbean Airlines logo]()
$356
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:05 am -
Nonstop1h 05m
Wed 10/74:50 pm -
Nonstop1h 05m
Deal found 9/13![Caribbean Airlines logo]()
$357
This SmartFares deal was found by Cheapflights users on 9/12. 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.
Sat 10/319:05 pm -
Nonstop1h 05m
Mon 11/27:40 pm -
Nonstop1h 05m
Deal found 9/12![Caribbean Airlines logo]()
$390
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:00 pm -
Nonstop1h 05m
Fri 10/166:00 pm -
Nonstop1h 05m
Deal found 9/14![Caribbean Airlines logo]()
$392
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:30 pm -
Nonstop1h 05m
Wed 11/47:45 pm -
Nonstop1h 05m
Deal found 9/15![Caribbean Airlines logo]()
$396
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:00 pm -
Nonstop1h 05m
Tue 10/611:45 am -
Nonstop1h 05m
Deal found 9/15![Caribbean Airlines logo]()
$397
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1212:05 pm -
Nonstop1h 05m
Mon 11/167:40 pm -
Nonstop1h 05m
Deal found 9/15![Caribbean Airlines logo]()
$406
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/93:00 pm -
Nonstop1h 05m
Fri 11/136:45 pm -
Nonstop1h 05m
Deal found 9/16![Caribbean Airlines logo]()
$408
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/59:05 pm -
Nonstop1h 05m
Sun 12/135:00 am -
Nonstop1h 05m
Deal found 9/14![Caribbean Airlines logo]()
$413
This Caribbean Airlines deal was found by Cheapflights users on 9/14. 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 11/132:30 pm -
Nonstop1h 05m
Mon 11/167:40 pm -
Nonstop1h 05m
Deal found 9/14![Caribbean Airlines logo]()
$418
Best flights from Port of Spain to Saint LuciaDiscover carefully curated flight deals from Port of Spain to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Port of Spain to Saint Lucia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Caribbean Airlines deal was found by Cheapflights users on 9/14. 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 11/132:30 pm -
Nonstop1h 05m
Mon 11/167:40 pm -
Nonstop1h 05m
Deal found 9/14![Caribbean Airlines logo]()
$418
This Caribbean Airlines deal was found by Cheapflights users on 9/15. 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 12/42:30 pm -
Nonstop1h 05m
Fri 12/186:45 pm -
Nonstop1h 05m
Deal found 9/15![Caribbean Airlines logo]()
$462
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/62:30 pm -
Nonstop1h 05m
Mon 11/94:50 pm -
2 stops26h 05m
Deal found 9/15![Caribbean Airlines logo]()
$472
This Gotogate deal was found by Cheapflights users on 9/16. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/18:05 am -
2 stops10h 50m
Fri 2/56:45 pm -
Nonstop1h 05m
Deal found 9/16![Caribbean Airlines logo]()
$478
Last-minute flights from Port of Spain to Saint LuciaDiscover last-minute flight deals from Port of Spain to Saint Lucia. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Port of Spain to Saint Lucia. Data last updated September 17, 2026 and is based on user searches.
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:05 am -
Nonstop1h 05m
Sun 10/45:00 am -
Nonstop1h 05m
Deal found 9/16![Caribbean Airlines logo]()
$419
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:00 pm -
Nonstop1h 05m
Tue 10/611:45 am -
Nonstop1h 05m
Deal found 9/15![Caribbean Airlines logo]()
$397
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:05 am -
Nonstop1h 05m
Tue 10/1311:45 am -
Nonstop1h 05m
Deal found 9/13![Caribbean Airlines logo]()
$356
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/67:05 am -
Nonstop1h 05m
Wed 10/74:50 pm -
Nonstop1h 05m
Deal found 9/13![Caribbean Airlines logo]()
$357
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/91:30 pm -
Nonstop1h 05m
Mon 10/127:40 pm -
Nonstop1h 05m
Deal found 9/16![Caribbean Airlines logo]()
$436
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/111:25 pm -
Nonstop1h 05m
Fri 10/166:00 pm -
Nonstop1h 05m
Deal found 9/14![Caribbean Airlines logo]()
$430
This Booking.com deal was found by Cheapflights users on 9/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/123:00 pm -
Nonstop1h 05m
Fri 10/166:00 pm -
Nonstop1h 05m
Deal found 9/14![Caribbean Airlines logo]()
$392
This Booking.com deal was found by Cheapflights users on 9/15. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/301:30 pm -
Nonstop1h 05m
Wed 11/47:45 pm -
Nonstop1h 05m
Deal found 9/15![Caribbean Airlines logo]()
$396
This SmartFares deal was found by Cheapflights users on 9/12. 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.
Sat 10/319:05 pm -
Nonstop1h 05m
Mon 11/27:40 pm -
Nonstop1h 05m
Deal found 9/12![Caribbean Airlines logo]()
$390
One-way flights from Port of Spain to Saint LuciaSearch for one-way flight options from Port of Spain to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Port of Spain to Saint Lucia. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This Mytrip deal was found by Cheapflights users on 9/13. 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.
Mon 9/283:00 pm -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Caribbean Airlines logo]()
$166
This Booking.com deal was found by Cheapflights users on 9/13. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/303:00 pm -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Caribbean Airlines logo]()
$169
This Booking.com deal was found by Cheapflights users on 9/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:05 pm -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Caribbean Airlines logo]()
$181
This SmartFares deal was found by Cheapflights users on 9/15. 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.
Tue 9/297:05 am -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Caribbean Airlines logo]()
$190
This SmartFares deal was found by Cheapflights users on 9/12. 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.
Sun 10/111:25 pm -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Caribbean Airlines logo]()
$202
This Kiwi.com deal was found by Cheapflights users on 9/12. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/310:10 am -
3 stops6h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/12![Fly Salone logo]()
$217
This SmartFares deal was found by Cheapflights users on 9/13. 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.
Thu 9/2412:05 pm -
Nonstop1h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Caribbean Airlines logo]()
$218
Find 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 September 17, 2026.
Round-trip from | $356 (Booking.com) |
|---|---|
One-way from | $166 (Mytrip) |
Popular in | July |
Cheapest in | October |
Average price | $457 |
Good round-trip deal | $434 or less |
Good one-way deal | $289 or less |
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 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Port of Spain to Saint Lucia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
Port of SpainCastries
POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle
POSSLU
Port of Spain Piarco Intl
Sat 11/14
9:05 pm-10:10 pm
Nonstop1h 05m
Castries George F. L. Charle
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$182
Port of SpainCastries
POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle
POSSLU
Port of Spain Piarco Intl
Sun 10/11
1:25 pm-2:30 pm
Nonstop1h 05m
Castries George F. L. Charle
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$202
Port of SpainCastries
POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle
POSSLU
Port of Spain Piarco Intl
Tue 11/24
7:30 am-11:00 am
1 stop3h 30m
Castries George F. L. Charle
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$221
Port of SpainCastries
POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle
POSSLU
Port of Spain Piarco Intl
Thu 9/24
12:05 pm-1:10 pm
Nonstop1h 05m
Castries George F. L. Charle
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$235
Port of SpainCastries
POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle
POSSLU
Port of Spain Piarco Intl
Sun 12/20
1:25 pm-2:30 pm
Nonstop1h 05m
Castries George F. L. Charle
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$252
Port of SpainCastries
POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle
POSSLU
Port of Spain Piarco Intl
Sun 1/3
10:10 am-4:10 pm
1 stop6h 00m
Castries George F. L. Charle
Wed 12/31
12:00 am-12:00 am
Nonstop0h 00m
$267
Port of SpainCastries
POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle
POSSLU
Port of Spain Piarco Intl
Fri 11/13
2:30 pm-3:35 pm
Nonstop1h 05m
Castries George F. L. Charle
Mon 11/16
7:40 pm-8:45 pm
Nonstop1h 05m
$418
Port of SpainCastries
POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle
POSSLU
Port of Spain Piarco Intl
Fri 12/4
2:30 pm-3:35 pm
Nonstop1h 05m
Castries George F. L. Charle
Fri 12/18
6:45 pm-7:50 pm
Nonstop1h 05m
$462
Port of SpainCastries
POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle
POSSLU
Port of Spain Piarco Intl
Fri 11/6
2:30 pm-3:35 pm
Nonstop1h 05m
Castries George F. L. Charle
Mon 11/9
4:50 pm-6:55 pm
2 stops26h 05m
$472
Port of SpainCastries
POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle
POSSLU
Port of Spain Piarco Intl
Mon 2/1
8:05 am-6:55 pm
2 stops10h 50m
Castries George F. L. Charle
Fri 2/5
6:45 pm-7:50 pm
Nonstop1h 05m
$478
Sorted by cheapest first
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.
POS-SLU
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
POS-LC0
POS-SLU
What is the cheapest month to book a flight from Port of Spain to Saint Lucia?
Currently, October is the cheapest month in which you can book a flight from Port of Spain to Saint Lucia (average of $357). Flying from Port of Spain to Saint Lucia in July is currently the most expensive (average of $535). 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 September 17, 2026.
A simple way to save on the total cost of your ticket is to fly from Port of Spain to Saint Lucia in the evening. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight at noon.
How far ahead should I book a flight from Port of Spain to Saint Lucia?
The best time to book flights from Port of Spain to Saint Lucia is 3 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
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 September 17, 2026.
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.
Boarding
8.0
Overall
7.9
Entertainment
6.6
Comfort
7.8
Crew
8.3
Food
6.8
Reviews
1 / 14
8.0
ExcellentBoy,Oct 2025
YYZ - POS
Boarding
8.0
Overall
7.9
Entertainment
6.6
Comfort
7.8
Crew
8.3
Food
6.8
Reviews
1 / 14
8.0
ExcellentBoy,Oct 2025
YYZ - POS
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.
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Alternative routes for Port of Spain to Saint Lucia
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Complete your trip
Complete your trip to Saint Lucia by adding a car rental and/or hotel reservation to your travel itinerary.
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Find flights from Port of Spain to Saint Lucia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Port of Spain and Saint Lucia flights
Browse other Port of Spain and Saint Lucia flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$310 | Average$387 | FlexibilityNo cancel fee | On-timeN/A |