The cheapest times to fly from BWI to POS are

  • January 8th to February 11th
  • March 19th to April 1st
  • April 23rd to July 8th
  • October 8th to December 9th (except the week of 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 BWI to POS is late May to early June. Prices can be as high as $1371 for Sunday flights during mid December, or as low as $367 for Tuesday flights around late May to early June.


When to Fly to Port of Spain

Flying from Baltimore, MD (BWI) to Port of Spain (POS) will usually cost between $417 to $757 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late May to early June with an average ticket price of $390. Due to high demand the most expensive time to fly is mid December, with an average price of $825. Planning your trip to low-cost times can easily save you $435 on economy flights and even more on first-class flights. Generally, any price below $522 can be considered a good price for a round-trip BWI to POS flight.

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

BWI to POS Flight Prices

Compared to other flights, the BWI to POS flight is cheaper than the average and costs much less than the average flight leaving from Baltimore. 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 fly to POS, and Wednesday the cheapest day to fly back into BWI. 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 $108 (16%) 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 $499. Return trip prices are from the POS to BWI 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 BWI 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 55 minutes may not be realistic.


Flight Questions Answered

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

Which airlines fly this route?

You can find 6 major airlines flying this route most often: Aeromexico, Air Canada, American, Caribbean Airlines, JetBlue, United, and potentially more during busy seasons.

How far away is it from Piarco Airport to Baltimore/Washington International Thurgood Marshall Airport?

The distance between the two airports is roughly 2188 miles or 3521 kilometers.

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

The real-world flight time for a nonstop BWI to POS flight is about 4 hour 55 minutes.

How many flights go between Baltimore, MD and Port of Spain?

It depends on the day of the week and the date, but a typical day might have around 50 available flights from BWI to POS.


Airport Location Info


Departing Airport

Origination code BWI
Origination airport name Baltimore/Washington International Thurgood Marshall Airport
City Baltimore, MD
Country the United States
Latitude 39.2
Longitude -76.7

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.