The cheapest times to fly from DCA to POS are

  • January 1st to February 11th
  • March 5th to April 1st
  • April 16th to June 10th (except the weeks of April 30th and May 7th)
  • September 3rd to November 11th

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 DCA to POS is mid to late September. Prices can be as high as $893 for Sunday flights during mid December, or as low as $367 for Tuesday flights around mid to late September.


When to Fly to Port of Spain

Flying from Washington, DC (DCA) to Port of Spain (POS) will usually cost between $367 to $736 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $373. Due to high demand the most expensive time to fly is mid December, with an average price of $750. Planning your trip to low-cost times can easily save you $376 on economy flights and even more on first-class flights. Generally, any price below $438 can be considered a good price for a round-trip DCA to POS flight.

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

DCA to POS Flight Prices

Compared to other flights, the DCA to POS flight is much cheaper than the average and costs much less than the average flight leaving from Washington. The average price per mile (for a direct flight) is $0.12, 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 $113 (18%) 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 $434. Return trip prices are from the POS to DCA 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 DCA 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 54 minutes may not be realistic.


Flight Questions Answered

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

Which airlines fly this route?

You can find 7 major airlines flying this route most often: Air Canada, American, Caribbean Airlines, Delta, JetBlue, United, WestJet, and potentially more during busy seasons.

How far away is it from Piarco Airport to Ronald Reagan Washington National Airport?

The distance between the two airports is roughly 2179 miles or 3507 kilometers.

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

The real-world flight time for a nonstop DCA to POS flight is about 4 hour 54 minutes.

How many flights go between Washington, DC and Port of Spain?

It depends on the day of the week and the date, but a typical day might have around 61 available flights from DCA to POS.


Airport Location Info


Departing Airport

Origination code DCA
Origination airport name Ronald Reagan Washington National Airport
City Washington, DC
Country the United States
Latitude 38.9
Longitude -77

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.