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Cheap flights from Trinidad and Tobago to Saint Lucia from £123

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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
POS — UVF
18 Oct — 25 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Trinidad and Tobago to Saint Lucia

Keep the following information in mind while searching for Trinidad and Tobago to Saint Lucia flight deals. Data was last updated 18 September 2025.

Round-trip from

£232

One-way from

£123

Popular in

July

Cheapest in

January

Average price

£260

Good round-trip deal

£212 or less

Good one-way deal

£117 or less
Caribbean Airlines
  • Caribbean Airlines
  • 5/12-13/12
  • Nonstop
  • 2h 10m total
  • Trinidad and Tobago to Saint Lucia
Search Deals
Caribbean Airlines
  • Caribbean Airlines
  • 10/10
  • Nonstop
  • 1h 05m total
  • Trinidad and Tobago to Saint Lucia
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£36 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2025
Search Deals
Price to beat on a round-trip flight from Trinidad and Tobago to Saint Lucia.
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Price to beat on a one-way flight from Trinidad and Tobago to Saint Lucia.
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Find flight deals from Trinidad and Tobago to Saint Lucia

Cheapest flights from Trinidad and Tobago to Saint Lucia
Explore the most affordable flight options available from Trinidad and Tobago to Saint Lucia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Fri 5/1210:25POS - SLU
Nonstop1h 05mCaribbean Airlines
Sat 13/1218:20SLU - POS
Nonstop1h 05mCaribbean Airlines
Deal found 17/9£232
Sun 16/1110:40POS - SLU
Nonstop1h 05mCaribbean Airlines
Tue 18/1107:30SLU - POS
1 stop6h 45mCaribbean Airlines
Deal found 17/9£259
Wed 24/914:45POS - SLU
2 stops23h 50mCaribbean Airlines
Sun 28/905:00SLU - POS
Nonstop1h 05mCaribbean Airlines
Deal found 17/9£272
Sat 15/1121:05POS - SLU
Nonstop1h 05mCaribbean Airlines
Tue 18/1107:30SLU - POS
2 stops31h 35mCaribbean Airlines
Deal found 18/9£287

Cheapflights Fare Finder

 
Customise your flight search to find flights from Trinidad and Tobago 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 858,174 searches. Data last updated 18 September 2025.
Use the filters below to find and compare flights from Trinidad and Tobago to Saint Lucia that are best for you.

Fly from

Trinidad and Tobago

Fly to

Saint Lucia

Route

Depart

Return

Price

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Fri 5/12

10:25-11:30

Nonstop1h 05m

Castries George F. L. Charle

Sat 13/12

18:20-19:25

Nonstop1h 05m

£232

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Fri 2/1

10:25-11:30

Nonstop1h 05m

Castries George F. L. Charle

Mon 5/1

16:35-17:40

Nonstop1h 05m

£244

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Thu 8/1

12:05-13:10

Nonstop1h 05m

Castries George F. L. Charle

Fri 9/1

12:15-13:20

Nonstop1h 05m

£244

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Thu 5/2

12:05-13:10

Nonstop1h 05m

Castries George F. L. Charle

Mon 9/2

16:35-17:40

Nonstop1h 05m

£244

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Sun 16/11

10:40-11:45

Nonstop1h 05m

Castries George F. L. Charle

Tue 18/11

07:30-14:15

1 stop6h 45m

£259

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Thu 1/1

12:05-13:10

Nonstop1h 05m

Castries George F. L. Charle

Sun 4/1

12:30-13:35

Nonstop1h 05m

£273

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Fri 10/10

10:25-11:30

Nonstop1h 05m

£123

Port of SpainCastries

POS - SLU

POSSLU

Port of Spain Piarco Intl

Mon 6/10

07:30-17:30

2 stops10h 00m

£253

Flights are sorted by cheapest return flights first.

Deals found on 16/9

Best time to book a flight from Trinidad and Tobago to Saint Lucia

Have a flexible travel schedule? Discover the best time to fly to Saint Lucia from Trinidad and Tobago with our price prediction graph.
Estimated return 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 Trinidad and Tobago to Saint Lucia

What is the cheapest month to book a flight from Trinidad and Tobago to Saint Lucia?

Currently, March is the cheapest month in which you can book a flight from Trinidad and Tobago to Saint Lucia (average of £328). Flying from Trinidad and Tobago to Saint Lucia in December is currently the most expensive (average of £1,100). 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 TT to LC?

Find hourly flight availability from Trinidad and Tobago 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 18 September 2025.

Unlike at midday, when flights are generally more expensive, you can save up to 61% on flights from Trinidad and Tobago to Saint Lucia by exploring options for tickets in the morning.

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 18 September 2025.
Check out reviews from past customers who have flown with Caribbean Airlines from Trinidad and Tobago 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
178 reviews
Check prices

Boarding

8.1

Crew

8.4

Overall

8.1

Food

6.8

Comfort

7.9

Entertainment

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
178 reviews
Caribbean Airlines
8.1
Very Good
178 reviews
Check prices

Boarding

8.1

Crew

8.4

Overall

8.1

Food

6.8

Comfort

7.9

Entertainment

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 Trinidad and Tobago to Saint Lucia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Trinidad and Tobago to Saint Lucia?

    A quick flight from Trinidad and Tobago to Saint Lucia can take about 1h 05m. Caribbean Airlines provides one of the quickest options available for as low as £232. Airlines will cover a distance of 238 mi. All flights are typically direct.

  • Can I find deals for flights from Trinidad and Tobago to Saint Lucia that include hotel bookings?

    Yes. In addition to deals on Trinidad and Tobago to Saint Lucia flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Trinidad and Tobago to Saint Lucia?

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

  • Can I find deals for business class flights from Trinidad and Tobago to Saint Lucia?

    Yes. Cheapflights offers flight deals from Trinidad and Tobago 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 Trinidad and Tobago to Saint Lucia?

    Currently, March is the cheapest month in which you can book a flight from Trinidad and Tobago to Saint Lucia (average of £328). Flying from Trinidad and Tobago to Saint Lucia in December is currently the most expensive (average of £1,100). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Trinidad and Tobago to Saint Lucia

See prices for flight routes from nearby airports that may be better suited for you.
Port of Spain to Castries flights
Port of Spain to Scarborough flights
Port of Spain to Bridgetown flights
Port of Spain to St. George's flights
Port of Spain to Punta Cana flights
Port of Spain to Willemstad flights

Top airline flying from Trinidad and Tobago to Saint Lucia

Discover the top airline that operate flights from Trinidad and Tobago 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 858,174 searches. Data last updated 18 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Caribbean AirlinesCheapest£171Average£258FlexibilityNo cancel feeOn-timeN/A
Search Caribbean Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Trinidad and Tobago to Saint Lucia?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Trinidad and Tobago to Saint Lucia. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Trinidad and Tobago to Saint Lucia?

Cheapflights simply makes it quick and affordable to book flights from Trinidad and Tobago to Saint Lucia by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Trinidad and Tobago to Saint Lucia with no change fees?

Need flexible booking options for your flight to Saint Lucia from Trinidad and Tobago? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Trinidad and Tobago to Saint Lucia become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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