The cheapest times to fly from SLU to POS are

  • January 1st to March 25th (except the week of February 19th)
  • April 23rd to May 13th
  • early June
  • September 10th to December 9th (except the weeks of October 15th and November 19th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from SLU to POS is early May. Prices can be as high as $434 for Monday flights during early August, or as low as $232 for Tuesday flights around early May.


When to Fly to Port of Spain

Flying from St. Lucia (SLU) to Port of Spain (POS) will usually cost between $241 to $373 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early May with an average ticket price of $235. Due to high demand the most expensive time to fly is early August, with an average price of $378. Planning your trip to low-cost times can easily save you $143 on economy flights and even more on first-class flights. Generally, any price below $260 can be considered a good price for a round-trip SLU to POS flight.

See below for a graph of average weekly prices for the SLU to POS route. All prices are for round-trip tickets in USD.

SLU to POS Flight Prices

Compared to other flights, the SLU to POS flight is much cheaper than the average and costs much less than the average flight leaving from Saint Lucia. The average price per mile (for a direct flight) is $0.68, which is above average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Mondays are the most expensive days to fly to Port of Spain, and Fridays are the most expensive days to return to Saint Lucia. Selecting flights on the least expensive days could save you up to $9 (3%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Tuesday and returning a week later will cost an average of $270. Return trip prices are from the POS to SLU flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from SLU to POS can generally find a 0-layover flight. Because there is a direct flight option the real-world direct flight time of 1 hour 25 minutes may be realistic.


Flight Questions Answered

Still have questions about flying from SLU to POS? We’ve got answers.

Which airlines fly this route?

You can find 2 major airlines flying this route most often: Caribbean Airlines, LIAT, and potentially more during busy seasons.

How far away is it from Piarco Airport to George F Charles Airport?

The distance between the two airports is roughly 238 miles or 383 kilometers.

How long does it take to fly from SLU to POS?

The real-world flight time for a nonstop SLU to POS flight is about 1 hour 25 minutes.

How many flights go between St. Lucia and Port of Spain?

It depends on the day of the week and the date, but a typical day might have around 85 available flights from SLU to POS.


Airport Location Info


Departing Airport

Origination code SLU
Origination airport name George F Charles Airport
City St. Lucia
Country St Lucia
Latitude 14
Longitude -61

Return Airport

Destination code POS
Destination airport name Piarco Airport
City Port of Spain
Country Trinidad and Tobago
Latitude 10.6
Longitude -61.3


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.