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

View £249 flight on Tue, 22 Sept 2026Opens in a new window

Popular airlines from Piarco Intl. Airport (POS) to Washington Dulles International Airport (IAD)

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

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

Frequently asked questions

How much does a flight from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.) cost?
You can find one-way and return flights from POS to IAD with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when POS to IAD ticket fares go up or down.
What is the cheapest month to fly from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The cheapest months to fly from POS to IAD are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
Enter POS to IAD and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
What is the cheapest airline that flies from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
American Airlines is one of the cheapest airlines offering connecting return flights from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.), with prices starting from around £443 for flights that can be booked for departure within the next year, typically with a layover in Miami Intl. (MIA). These prices are for an adult, economy/coach class ticket. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.
How do I find cheap flights from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
To find a cheap flight from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.), 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 (IAD-Washington Dulles Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are approximately 9 connecting flights per day from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.). Some common connection points include Pearson Intl. (YYZ), Miami Intl. (MIA), and Cheddi Jagan Intl. (GEO).
What is the earliest flight from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The earliest flight from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.) typically departs around 12:30 AM local time. This flight is operated by United and is a seasonal service, active in June. An early departure like this can help you make the most of 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 (IAD-Washington Dulles Intl.)?
You'll typically find the most flights from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.) on a Monday, with around 8 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Caribbean Airlines, Copa, and United. Flight schedules are quite consistent throughout the week, so you'll find similar numbers of flights on other days too.
What are the most popular departure times for flights from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
The most popular departure times for flights from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.) are in the early morning, from midnight to 3am. Many major carriers, including United, Air Canada and Caribbean Airlines, offer flights during this window. Many travellers prefer these times because they allow for an early arrival at your destination, giving you more time to settle in or start your day.
How long does it take to fly from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
There are no nonstop flights from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.). The journey covers a distance of approximately 3,534 kilometers. Flights with two or more stops typically take around 15 hours, while one-stop flights usually take longer, at about 23 hours 30 minutes. Keep in mind that these are average travel times, and the actual duration can vary depending on the specific routing, layover times, and factors like weather conditions.
Can you fly business or first class from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.)?
You can fly business class between POS and IAD. Airlines that offer business class service on this route include:

  • Copa
  • Air Canada

How do I earn miles on a Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.) flight with Expedia?
It's easy to earn miles on a Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.) 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, DC (IAD) from Port of Spain (POS)?
If you're planning to travel to Washington from Piarco Intl. (POS), you can fly directly into Washington Dulles Intl. (IAD). Some flights may connect through major hubs like Miami Intl. (MIA), Cheddi Jagan Intl. (GEO), or 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 (IAD-Washington Dulles Intl.) at the last minute?
Typically, booking a last minute flight from Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.) 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 (IAD-Washington Dulles Intl.) flight and hotel package?
Securing a Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.) 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 (IAD-Washington Dulles Intl.)?
If you booked your Port of Spain (POS-Piarco Intl.) to Washington, DC (IAD-Washington Dulles Intl.) 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
Washington Dulles Intl.
Distance
3513 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 Washington Dulles Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Piarco Intl. to Washington Dulles Intl..  

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 Washington Dulles Intl. (IAD)

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 Washington Dulles Intl. start at just and range up to .  

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 , 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 Washington Dulles Intl. 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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