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Cheap flights from Port of Spain to Castries from £173

POS — SLU
26 Sep — 3 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Port of Spain to Castries

Enter your travel dates to find the best prices.

Cheapest flights from Port of Spain to Castries

Fri 13/1114:30 -
Nonstop1h 05m
Mon 16/1119:40 -
Nonstop1h 05m
Deal found 25/8£319
Fri 30/1013:30 -
Nonstop1h 05m
Fri 4/1218:45 -
Nonstop1h 05m
Deal found 22/8£330
Fri 4/1214:30 -
Nonstop1h 05m
Fri 18/1218:45 -
Nonstop1h 05m
Deal found 27/8£352
Thu 24/1212:05 -
Nonstop1h 05m
Sun 27/1205:00 -
Nonstop1h 05m
Deal found 25/8£360
Thu 24/1212:05 -
Nonstop1h 05m
Mon 28/1219:40 -
Nonstop1h 05m
Deal found 25/8£372
Sat 29/809:00 -
1 stop6h 15m
Sun 6/915:45 -
1 stop3h 55m
Deal found 24/8£530
Thu 27/809:00 -
1 stop3h 05m
Wed 2/915:45 -
1 stop3h 55m
Deal found 26/8£572
Fri 30/1012:20 -
1 stop3h 15m
Fri 4/1216:05 -
3 stops24h 25m
Deal found 22/8£678
Sat 29/813:05 -
3 stops29h 05m
Sun 6/905:00 -
Nonstop1h 05m
Deal found 24/8£723

Find flight deals from Port of Spain to Castries

Round-trip from

£305

One-way from

£173

Popular in

August

Cheapest in

October

Average price

£389

Good round-trip deal

£291 or less
Caribbean Airlines
  • Caribbean Airlines
  • 23/2-9/3
  • Nonstop
  • 2h 10m total
  • Port of Spain to Castries
Search Deals
Caribbean Airlines
  • Caribbean Airlines
  • 20/12
  • Nonstop
  • 1h 05m total
  • Port of Spain to Castries
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£32 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 August 2026
Search Deals
Price to beat on a round-trip flight from Port of Spain Piarco Intl to Castries George F. L. Charle.
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Port of Spain to Castries that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight
Fastest return journey

Port of SpainCastries

POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle

POSSLU

Port of Spain Piarco Intl

Tue 23/2

07:05-08:10

Nonstop1h 05m

Castries George F. L. Charle

Tue 9/3

11:45-12:50

Nonstop1h 05m

£305

Port of SpainCastries

POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle

POSSLU

Port of Spain Piarco Intl

Fri 13/11

14:30-15:35

Nonstop1h 05m

Castries George F. L. Charle

Mon 16/11

19:40-20:45

Nonstop1h 05m

£319

Port of SpainCastries

POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle

POSSLU

Port of Spain Piarco Intl

Fri 30/10

13:30-14:35

Nonstop1h 05m

Castries George F. L. Charle

Fri 4/12

18:45-19:50

Nonstop1h 05m

£330

Port of SpainCastries

POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle

POSSLU

Port of Spain Piarco Intl

Fri 4/12

14:30-15:35

Nonstop1h 05m

Castries George F. L. Charle

Fri 18/12

18:45-19:50

Nonstop1h 05m

£352
Cheapest one-way
Fastest single journey

Port of SpainCastries

POS Port of Spain Piarco Intl - SLU Castries George F. L. Charle

POSSLU

Port of Spain Piarco Intl

Sun 20/12

13:25-14:30

Nonstop1h 05m

£173

Flights are sorted by cheapest return flights first.

Deals found on 22/8

Sorted by cheapest first

Best time to book a flight from Port of Spain to Castries

Have a flexible travel schedule? Discover the best time to fly to Castries from Port of Spain with our price prediction graph.
Estimated return price

Cheapflights Insights

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

How far ahead should I book a flight from Port of Spain to Castries?

The best time to book flights from Port of Spain to Castries is 25 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.

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

Currently, October is the cheapest month in which you can book a flight from Port of Spain to Castries (average of £262). Flying from Port of Spain to Castries in August is currently the most expensive (average of £389). 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 SLU?

When flying from Port of Spain to Castries, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Port of Spain to Castries?

Airfare is typical for this route at the moment.

Port of Spain to Castries flights typically cost between £245 and £353 in February.
The cheapest return price found within the last 5 days was £305 on Caribbean Airlines (23 Feb–9 Mar).

Reviews of airlines servicing Castries

Read reviews from past customers who have flown with Caribbean Airlines from Port of Spain to Castries. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Caribbean Airlines
7.9
Good
231 reviews
Check prices

Overall

7.9

Entertainment

6.7

Food

6.8

Comfort

7.8

Crew

8.3

Boarding

8.0

Reviews

1 / 14
8.0
Excellent

Boy,Oct 2025

YYZ - POS

A few selection of caribbean foods limit the pasta dish etc
Caribbean Airlines
7.9
Good
231 reviews
Caribbean Airlines
7.9
Good
231 reviews
Check prices

Overall

7.9

Entertainment

6.7

Food

6.8

Comfort

7.8

Crew

8.3

Boarding

8.0

Reviews

1 / 14
8.0
Excellent

Boy,Oct 2025

YYZ - POS

A few selection of caribbean foods limit the pasta dish etc

Related info for your journey

  • How popular is this Port of Spain to Castries flight route?

    The Port of Spain Piarco Intl to Castries George F. L. Charle flight path was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    There are many flights that can get you from Port of Spain to Castries in 1h 05m. Fly via Caribbean Airlines to get the fastest option. There are 238 mi between Port of Spain and Castries. All flights are typically direct.

  • What is the cheapest airline to fly from Port of Spain to Castries round-trip?

    Flying on Caribbean Airlines is currently your cheapest option to Castries, with prices starting at £122. Caribbean Airlines is currently priced 58% below the average price you’ll pay for this route.

  • What are the cheapest flights from Port of Spain to Castries?

    Looking for the cheapest flight from Port of Spain to Castries? While on average our users pay £295, our data indicates the cheapest price to be £122. The most popular route (Port of Spain Piarco Intl - Castries George F. L. Charle), is priced around £148.

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

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

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

    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 Castries.

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

    Yes. Cheapflights offers flight deals from Port of Spain to Castries 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 Castries?

    Currently, October is the cheapest month in which you can book a flight from Port of Spain to Castries (average of £262). Flying from Port of Spain to Castries in August is currently the most expensive (average of £389). 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

Travelling to a place near Castries?

Book flights to Castries if you plan to visit one of these locations
Gros Islet
Rodney Bay

Browse thousands of different options on Cheapflights for your next trip

Other flights to Castries

Gatwick to Castries flights
Castries to London Gatwick Airport flights

Top airline flying from Port of Spain to Castries

AirlineCheapestAverageFlexibilityOn-time
Caribbean AirlinesCheapest£122Average£284FlexibilityNo cancel feeOn-timeN/A
Search Caribbean Airlines flights

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Need flexible booking options for your flight to Castries from Port of Spain? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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