$140 Cheap Flights from Washington (DCA) to Port of Spain (POS)

View $140 flight on Wed, Nov 19, 2025Opens in a new window

Popular airlines from Ronald Reagan Washington National Airport (DCA) to Piarco Intl. Airport (POS)

Cheap Flights from Washington to Port of Spain (DCA-POS)

Prices were available within the past 7 days and start at $140 for one-way flights and $333 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

JetBlue Airways
Thu, Dec 4 - Sat, Dec 13
DCA
Washington
POS
Trinidad
$333 Roundtrip, found 1 day ago
$333
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Thu, Dec 4 from Washington to Trinidad, returning Sat, Dec 13, priced at $333 found 1 day ago
JetBlue Airways
Wed, Nov 12 - Tue, Nov 18
DCA
Washington
POS
Trinidad
$340 Roundtrip, found 3 hours ago
$340
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Wed, Nov 12 from Washington to Trinidad, returning Tue, Nov 18, priced at $340 found 3 hours ago
JetBlue Airways
Mon, Nov 17 - Thu, Dec 4
DCA
Washington
POS
Trinidad
$350 Roundtrip, found 1 day ago
$350
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Nov 17 from Washington to Trinidad, returning Thu, Dec 4, priced at $350 found 1 day ago
JetBlue Airways
Mon, Nov 3 - Thu, Nov 13
DCA
Washington
POS
Trinidad
$355 Roundtrip, found 12 hours ago
$355
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Mon, Nov 3 from Washington to Trinidad, returning Thu, Nov 13, priced at $355 found 12 hours ago
JetBlue Airways
Mon, Nov 3 - Thu, Nov 6
DCA
Washington
POS
Trinidad
$365 Roundtrip, found 12 hours ago
$365
Roundtrip
found 12 hours ago
Select JetBlue Airways flight, departing Mon, Nov 3 from Washington to Trinidad, returning Thu, Nov 6, priced at $365 found 12 hours ago
JetBlue Airways
Wed, Nov 12 - Tue, Nov 18
DCA
Washington
POS
Trinidad
$368 Roundtrip, found 3 hours ago
$368
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Wed, Nov 12 from Washington to Trinidad, returning Tue, Nov 18, priced at $368 found 3 hours ago
American Airlines
Wed, Dec 3 - Wed, Dec 10
DCA
Washington
POS
Trinidad
$369 Roundtrip, found 9 hours ago
$369
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Washington to Trinidad, returning Wed, Dec 10, priced at $369 found 9 hours ago
American Airlines
Wed, Dec 3 - Wed, Dec 10
DCA
Washington
POS
Trinidad
$373 Roundtrip, found 9 hours ago
$373
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Dec 3 from Washington to Trinidad, returning Wed, Dec 10, priced at $373 found 9 hours ago
United
Sat, Sep 12 - Sat, Sep 19
DCA
Washington
POS
Trinidad
$379 Roundtrip, found 2 hours ago
$379
Roundtrip
found 2 hours ago
Select United flight, departing Sat, Sep 12 from Washington to Trinidad, returning Sat, Sep 19, priced at $379 found 2 hours ago
Air Canada
Sun, Oct 26 - Sat, Nov 1
DCA
Washington
POS
Trinidad
$443 Roundtrip, just found
$443
Roundtrip
just found
Select Air Canada flight, departing Sun, Oct 26 from Washington to Trinidad, returning Sat, Nov 1, priced at $443 just found

Find the cheapest month to fly from Washington (DCA) to Piarco (POS)

February is typically the cheapest month to fly

From $294 - $1,072 per traveler.

Alternative airports near Piarco

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Piarco Intl. POS. Cheapest option available. Flights from $399
POS
Piarco Intl.
Cheapest
Flights from $399

Frequently asked questions

How much does a flight from Ronald Reagan Washington National Airport (DCA) to Piarco Intl. Airport (POS) cost?
Grab a cheap one-way flight from $140 or cheap return flight from $333 from Ronald Reagan Washington National Airport (DCA) to Piarco Intl. Airport (POS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Ronald Reagan Washington National Airport (DCA) to Piarco Intl. Airport (POS)?
The cheapest month to fly from DCA to POS is December, when there's less demand. Off-peak months are generally when you'll find cheap fares for travel between these airports.
What is the cheapest airline that flies from Ronald Reagan Washington National Airport (DCA) to Piarco Intl. Airport (POS)?
Use the filter tool on Expedia to compare airlines and find the most affordable carrier that'll take you from DCA to POS. Then, sort your results by "Price (lowest to highest)" to score a great deal.
How many flights per day from Ronald Reagan Washington National Airport (DCA) to Piarco Intl. Airport (POS)?
Nonstop flights from Ronald Reagan Washington National Airport (DCA) to Piarco Intl. Airport (POS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel details and select either "1 Stop" or "2+ Stops."
What day of the week has the most flights from DCA to POS?
You'll typically find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during peak travel times or public holidays.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Ronald Reagan Washington National Airport (DCA) to Piarco Intl. Airport (POS)?
Choose a flight from Ronald Reagan Washington National Airport (DCA) to Piarco Intl. Airport (POS) that leaves before 3 PM to reduce the risk of cancellations and delays. Later departures have a 22% higher chance of being canceled, on average.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Ronald Reagan Washington National Airport (DCA) to Piarco Intl. Airport (POS) last-minute?
Last-minute bookings from DCA to POS are usually more expensive. To secure the lowest rates, start searching for flights well ahead of time. That said, if you can play around with your travel dates, it's possible to find a cheap fare right before you leave.
Is it cheaper to book a DCA to POS flight and hotel package?
You'll typically save money by booking a DCA to POS flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one place. Once you've selected your preferred accommodations and flights, you can add extras such as tours, activities and car rentals.
Can I cancel or change the date of my flight from Ronald Reagan Washington National Airport (DCA) to Piarco Intl. Airport (POS)?
If you booked your DCA to POS flight within the last 24 hours, you may be able to cancel or modify it without fees. Depending on the airline and the type of fare you have, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal for more information.

Travel information

Origin airport
Ronald Reagan Washington National
Destination airport
Piarco Intl.
Airlines serving
Air Canada, American Airlines, JetBlue Airways, United
Roundtrip price
$332
Distance
2178 mi

Book with confidence

Washington to Port of Spain Flights

The cheapest times to fly from Washington to Port of Spain

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Washington to Port of Spain are during the month of December. You can find some of the cheapest flights from Washington to Port of Spain with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Washington to Port of Spain

Sunday is one of the best days to book for cheap flights from Washington to Port of Spain: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Washington to Port of Spain

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Washington to Port of Spain in 2025. You can also book with separate airlines for your outbound and return journeys, from $140 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Washington to Port of Spain flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Washington to Port of Spain airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Washington to Port of Spain Flights

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*Available to One Key members.