The cheapest times to fly from RDU to POS are

  • January 1st to February 11th
  • March 12th to April 1st (except the week of March 19th)
  • April 16th to June 3rd (except the week of May 7th)
  • September 3rd to November 18th

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 RDU to POS is early September. Prices can be as high as $1436 for Sunday flights during late July, or as low as $396 for Tuesday flights around early September.


When to Fly to Port of Spain

Flying from Raleigh/Durham, NC (RDU) to Port of Spain (POS) will usually cost between $436 to $743 per person if booking more than four weeks in advance. On average the very cheapest time to fly is early September with an average ticket price of $443. Due to high demand the most expensive time to fly is late July, with an average price of $771. Planning your trip to low-cost times can easily save you $328 on economy flights and even more on first-class flights. Generally, any price below $483 can be considered a good price for a round-trip RDU to POS flight.

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

RDU to POS Flight Prices

Compared to other flights, the RDU to POS flight is much cheaper than the average and costs less than the average flight leaving from Raleigh. The average price per mile (for a direct flight) is $0.15, which is far below average.


Flight Prices by Day of the Week

Tuesday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $99 (15%) 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 $489. Return trip prices are from the POS to RDU 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 RDU to POS can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 4 hour 41 minutes may not be realistic.


Flight Questions Answered

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

Which airlines fly this route?

You can find 8 major airlines flying this route most often: Aeromexico, Air Canada, American, Caribbean Airlines, COPA, JetBlue, United, WestJet, and potentially more during busy seasons.

How far away is it from Piarco Airport to Raleigh-Durham International Airport?

The distance between the two airports is roughly 2060 miles or 3315 kilometers.

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

The real-world flight time for a nonstop RDU to POS flight is about 4 hour 41 minutes.

How many flights go between Raleigh/Durham, NC and Port of Spain?

It depends on the day of the week and the date, but a typical day might have around 46 available flights from RDU to POS.


Airport Location Info


Departing Airport

Origination codeRDU
Origination airport nameRaleigh-Durham International Airport
CityRaleigh/Durham, NC
Countrythe United States

Return Airport

Destination codePOS
Destination airport namePiarco Airport
CityPort of Spain
CountryTrinidad and Tobago


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.