£249 Cheap Flights from Port of Spain (POS) to Washington (DCA)

View £249 flight on Tue, 23 Jun 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £249 for one-way flights and £470 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Tue, 23 Jun - Mon, 6 Jul
POS
Trinidad
DCA
Washington
£470 Return, found 4 days ago
£470
Return
found 4 days ago
Select Air Canada flight, departing Tue, 23 Jun from Trinidad to Washington, returning Mon, 6 Jul, priced at £470 found 4 days ago
Air Canada
Thu, 13 Aug - Mon, 24 Aug
POS
Trinidad
DCA
Washington
£472 Return, found 1 day ago
£472
Return
found 1 day ago
Select Air Canada flight, departing Thu, 13 Aug from Trinidad to Washington, returning Mon, 24 Aug, priced at £472 found 1 day ago
Air Canada
Thu, 13 Aug - Mon, 24 Aug
POS
Trinidad
DCA
Washington
£473 Return, found 1 day ago
£473
Return
found 1 day ago
Select Air Canada flight, departing Thu, 13 Aug from Trinidad to Washington, returning Mon, 24 Aug, priced at £473 found 1 day ago
Air Canada
Thu, 13 Aug - Mon, 24 Aug
POS
Trinidad
DCA
Washington
£474 Return, found 1 day ago
£474
Return
found 1 day ago
Select Air Canada flight, departing Thu, 13 Aug from Trinidad to Washington, returning Mon, 24 Aug, priced at £474 found 1 day ago
JetBlue Airways
Tue, 23 Jun - Mon, 6 Jul
POS
Trinidad
DCA
Washington
£476 Return, found 4 days ago
£476
Return
found 4 days ago
Select JetBlue Airways flight, departing Tue, 23 Jun from Trinidad to Washington, returning Mon, 6 Jul, priced at £476 found 4 days ago
Air Canada
Sat, 22 Aug - Sat, 29 Aug
POS
Trinidad
DCA
Washington
£477 Return, found 14 hours ago
£477
Return
found 14 hours ago
Select Air Canada flight, departing Sat, 22 Aug from Trinidad to Washington, returning Sat, 29 Aug, priced at £477 found 14 hours ago
Air Canada
Sat, 22 Aug - Sat, 29 Aug
POS
Trinidad
DCA
Washington
£480 Return, found 14 hours ago
£480
Return
found 14 hours ago
Select Air Canada flight, departing Sat, 22 Aug from Trinidad to Washington, returning Sat, 29 Aug, priced at £480 found 14 hours ago
Air Canada
Thu, 13 Aug - Mon, 24 Aug
POS
Trinidad
DCA
Washington
£482 Return, found 1 day ago
£482
Return
found 1 day ago
Select Air Canada flight, departing Thu, 13 Aug from Trinidad to Washington, returning Mon, 24 Aug, priced at £482 found 1 day ago
American Airlines
Sun, 19 Jul - Tue, 28 Jul
POS
Trinidad
DCA
Washington
£617 Return, found 22 hours ago
£617
Return
found 22 hours ago
Select American Airlines flight, departing Sun, 19 Jul from Trinidad to Washington, returning Tue, 28 Jul, priced at £617 found 22 hours ago
United
Sun, 19 Jul - Tue, 28 Jul
POS
Trinidad
DCA
Washington
£738 Return, found 22 hours ago
£738
Return
found 22 hours ago
Select United flight, departing Sun, 19 Jul from Trinidad to Washington, returning Tue, 28 Jul, priced at £738 found 22 hours ago

Frequently asked questions

What is the cheapest month to fly from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
June is typically the cheapest month to fly from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), with average return fares of approximately £322. This is about 13% lower than the average price throughout the year. June can be cheaper as it's often before the peak summer travel rush, allowing airlines to offer more competitive prices. Other cheap months to fly from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) include May and September.*Averages based on flights available on Expedia in the last year.
How do I find cheap flights from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
To find a cheap flight from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The best time to fly from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) is typically in May or June. Based on booking data from the past year, you can find return flights for around £322 during these months. These months offer a good balance of lower prices, allowing you to save on your trip while still enjoying pleasant weather in Washington, DC.*Prices based on flights available on Expedia in the last year.
How many flights per day from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
There are approximately 9 connecting flights per day from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National). Some common connection points include Miami Intl. (MIA), Pearson Intl. (YYZ), and John F. Kennedy Intl. (JFK).
What is the earliest flight from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The earliest flight from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) typically departs at approximately 12:30 AM local time, operated by United Airlines. This is a seasonal service active in August, September, and October. An early departure like this can help maximise your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
You'll typically find the most flights from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) on a Saturday, with around 9 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include BW, AA, and UA. Saturday offers notably more flight options compared to other days of the week.
What are the most popular departure times for flights from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
The most popular departure times for flights from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) are in the early morning, from 12am to 3am. About 42% of passengers prefer this time. Many major carriers, including United Airlines and Air Canada, offer flights during this window. This timing works well because it allows for early arrival at your destination, giving you a full day ahead.
How long does it take to fly from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
A flight from POS to DCA with a layover takes around 18 hours, with the route covering approximately 2,179 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
Select the "Business class" and "First class" filters when looking for POS to DCA flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight with Expedia?
It's easy to earn miles on a Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Washington from Piarco Intl. (POS)?
From Piarco Intl. (POS), you can fly into Washington Dulles Intl. (IAD) and Ronald Reagan Washington National (DCA) in Washington. Some flights may connect through major hubs like Miami Intl. (MIA), Cheddi Jagan Intl. (GEO), Pearson Intl. (YYZ) before reaching Washington. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) at the last minute?
Typically, booking a last minute flight from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package?
Securing a Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National)?
If you booked your Port of Spain (POS-Piarco Intl.) to Washington, DC (DCA-Ronald Reagan Washington National) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Piarco Intl.
Destination airport
Ronald Reagan Washington National
Airlines serving
Air Canada, American Airlines, JetBlue Airways, United
Return price
£470
Distance
3485 km

Book with confidence

Compare flights from Port of Spain to Washington easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Port of Spain to Washington. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Ronald Reagan Washington National in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Piarco Intl. to Ronald Reagan Washington National.  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Piarco Intl. (POS) to Ronald Reagan Washington National (DCA)

The easiest way to view the best deals on flights from Port of Spain to Washington today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Piarco Intl. to Ronald Reagan Washington National start at just £470 and range up to £738.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Port of Spain and Washington
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Port of Spain to Washington flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Piarco Intl. to Ronald Reagan Washington National for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Port of Spain to Washington easily and book with confidence

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*Available to Expedia members.