HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Port of Spain

$275+ Cheap flights from Washington to Port of Spain (POS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/5. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — POS
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Washington to Port of Spain with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Washington to Port of Spain

Cheapest flights from Washington to Port of Spain
Explore the most affordable flight options available from Washington to Port of Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 6, 2026.

This Orbitz deal was found by Cheapflights users on 2/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:59 pm
SEA
-
POS
1 stop11h 22m
JetBlue
Wed 9/93:59 pm
POS
-
SEA
2 stops21h 20m
JetBlue
Deal found 2/5$595
This Air Canada deal was found by Cheapflights users on 2/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/208:00 am
SEA
-
POS
1 stop13h 20m
Air Canada
Thu 4/21:20 am
POS
-
SEA
1 stop23h 33m
Air Canada
Deal found 2/1$638
This Air Canada deal was found by Cheapflights users on 2/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:05 am
SEA
-
POS
2 stops34h 15m
Air Canada
Tue 3/101:20 am
POS
-
SEA
1 stop23h 56m
Air Canada
Deal found 2/2$648
This Mytrip deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:05 pm
PDX
-
POS
2 stops26h 15m
Air Canada
Sun 4/51:20 am
POS
-
PDX
2 stops44h 10m
Air Canada
Deal found 2/4$648
This Priceline deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:59 pm
SEA
-
POS
1 stop11h 22m
JetBlue
Fri 9/113:59 pm
POS
-
SEA
1 stop33h 25m
JetBlue
Deal found 2/4$660
This American Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2512:57 am
SEA
-
POS
2 stops17h 39m
American Airlines
Fri 9/113:45 pm
POS
-
SEA
2 stops23h 01m
American Airlines
Deal found 2/4$663
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:00 am
PDX
-
POS
1 stop13h 23m
United Airlines
Sun 4/512:30 am
POS
-
PDX
1 stop15h 04m
United Airlines
Deal found 2/4$680
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:59 pm
SEA
-
POS
1 stop20h 24m
United Airlines
Sat 9/1212:30 am
POS
-
SEA
1 stop21h 42m
United Airlines
Deal found 2/4$714
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/255:07 am
SEA
-
POS
2 stops16h 43m
United Airlines
Fri 9/1112:30 am
POS
-
SEA
2 stops18h 57m
United Airlines
Deal found 2/4$718
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2511:59 pm
SEA
-
POS
1 stop20h 24m
United Airlines
Thu 9/1012:30 am
POS
-
SEA
1 stop21h 42m
United Airlines
Deal found 2/4$769
This United Airlines deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/67:00 am
PDX
-
POS
1 stop13h 23m
United Airlines
Mon 3/912:30 am
POS
-
PDX
1 stop15h 05m
United Airlines
Deal found 2/4$810
This Mytrip deal was found by Cheapflights users on 2/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:05 pm
PDX
-
POS
3 stops26h 15m
Multiple Airlines
Mon 4/62:55 pm
POS
-
PDX
3 stops26h 45m
Multiple Airlines
Deal found 2/4$1,263

Find flight deals from Washington to Port of Spain

Keep the following information in mind while searching for Washington to Port of Spain flight deals. Data was last updated February 6, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$595
(Orbitz)

One-way from

$275
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$682
Provider with most accurate pricing for Seattle/Tacoma Intl-Port of Spain Piarco Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Port of Spain Piarco Intl flights.
Search Deals
From Washington to Port of Spain Piarco Intl
Search Deals
One-way flight from Washington to Port of Spain Piarco Intl
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($71 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington to Port of Spain that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 6, 2026.
Use the filters below to find and compare flights from Washington to Port of Spain that are best for you.

Fly from

Washington

Fly to

Port of Spain

Route

Depart

Return

Price

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Fri 2/20

8:00 am-1:20 am

1 stop13h 20m

Port of Spain Piarco Intl

Thu 4/2

1:20 am-9:53 pm

1 stop23h 33m

$638

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sat 3/7

5:50 am-12:20 am

2 stops38h 30m

Port of Spain Piarco Intl

Tue 3/10

1:20 am-10:16 pm

1 stop23h 56m

$648

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Wed 4/1

7:05 pm-12:20 am

2 stops26h 15m

Port of Spain Piarco Intl

Sun 4/5

1:20 am-6:30 pm

2 stops44h 10m

$648

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Wed 4/1

7:00 am-11:23 pm

1 stop13h 23m

Port of Spain Piarco Intl

Sun 4/5

12:30 am-12:34 pm

1 stop15h 04m

$680

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sat 3/7

6:45 am-12:23 am

1 stop13h 38m

Port of Spain Piarco Intl

Tue 3/10

12:30 am-1:07 pm

1 stop15h 37m

$714

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Fri 3/6

7:00 am-12:23 am

1 stop13h 23m

Port of Spain Piarco Intl

Mon 3/9

12:30 am-12:35 pm

1 stop15h 05m

$810

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Fri 3/6

5:00 am-12:23 am

2 stops15h 23m

$275

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Thu 3/5

6:45 am-12:23 am

1 stop13h 38m

$275

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Thu 3/5

1:16 pm-8:00 pm

3 stops26h 44m

$277

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Fri 3/6

12:24 pm-8:00 pm

3 stops51h 36m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Showing 1-10 of 15 results
1
2

Best time to book a flight from Washington to Port of Spain

Have a flexible travel schedule? Discover the best time to fly to Port of Spain from Washington with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington to Port of Spain

What is the cheapest month to book a flight from State of Washington to Port of Spain?

Currently, February is the cheapest month in which you can book a flight from State of Washington to Port of Spain (average of $385). Flying from State of Washington to Port of Spain in May is currently the most expensive (average of $629). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Washington to Port of Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Port of Spain from Washington?

    If you book a flight to Port of Spain from Washington, you will be flying to Piarco Intl, which is the city’s only airport. Port of Spain Piarco Intl (POS) is located 12.6 mi from the center of Port of Spain.

  • How long is the flight from State of Washington to Port of Spain?

    There are many flights that can get you from State of Washington to Port of Spain in 13h 20m. Fly via Air Canada or United Airlines to get the fastest option. The distance from State of Washington to Port of Spain is about 4332 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Washington to Port of Spain that include hotel bookings?

    Yes. In addition to deals on Washington to Port of Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington to Port of Spain?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington to Port of Spain.

  • Can I find deals for business class flights from Washington to Port of Spain?

    Yes. Cheapflights offers flight deals from Washington to Port of Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from State of Washington to Port of Spain?

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Port of Spain (average of $385). Flying from State of Washington to Port of Spain in May is currently the most expensive (average of $629). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Washington to Port of Spain

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Port of Spain flights
Newark to Port of Spain flights
LaGuardia to Port of Spain flights
Miami to Port of Spain flights
Atlanta to Port of Spain flights
Dulles Intl to Port of Spain flights
Reagan-National to Port of Spain flights
Baltimore to Port of Spain flights
Orlando to Port of Spain flights
Fort Lauderdale to Port of Spain flights
Boston to Port of Spain flights
O'Hare Intl to Port of Spain flights
John F Kennedy Intl to Scarborough flights
Dallas/Fort Worth to Port of Spain flights
Raleigh to Port of Spain flights
Detroit to Port of Spain flights
Los Angeles to Port of Spain flights
Hobby to Port of Spain flights
Philadelphia to Port of Spain flights
George Bush Intcntl to Port of Spain flights
Sky Harbor Intl to Port of Spain flights
Tampa to Port of Spain flights
San Francisco to Port of Spain flights
Las Vegas to Port of Spain flights
West Palm Beach to Port of Spain flights
Richmond to Port of Spain flights
Cleveland to Port of Spain flights
Minneapolis to Port of Spain flights
New Orleans to Port of Spain flights
Norfolk to Port of Spain flights
Indianapolis to Port of Spain flights
Miami to Scarborough flights
Boise to Port of Spain flights
Charlotte to Port of Spain flights
Newark to Scarborough flights
Austin to Port of Spain flights
Nashville to Port of Spain flights
Jacksonville to Port of Spain flights
Pittsburgh to Port of Spain flights
San Diego to Port of Spain flights
Charleston to Port of Spain flights
Denver to Port of Spain flights
Providence to Port of Spain flights
Fort Lauderdale to Scarborough flights
Madison to Port of Spain flights
St. Louis to Port of Spain flights
Fayetteville to Port of Spain flights
Sacramento to Port of Spain flights
Hartford to Port of Spain flights

Top airline flying from Washington to Port of Spain

Discover the top airline that operate flights from Washington to Port of Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$524Average$693FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.