Port of Spain

$583+ Cheap flights from Washington to Port of Spain (POS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — POS
Jan 19 — Jan 261
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 December 20, 2025.

This United Airlines deal was found by Cheapflights users on 12/19. 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 12/246:45 amSEA - POS
1 stop13h 38mUnited Airlines
Wed 12/311:30 amPOS - SEA
1 stop15h 19mUnited Airlines
Deal found 12/19$1,051
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Sun 12/217:45 pmPDX - POS
2 stops25h 20mUnited Airlines
Sat 1/31:30 amPOS - PDX
2 stops25h 29mUnited Airlines
Deal found 12/20$1,113
This United Airlines deal was found by Cheapflights users on 12/19. 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 12/236:45 amSEA - POS
1 stop13h 38mUnited Airlines
Mon 12/291:30 amPOS - SEA
2 stops27h 29mUnited Airlines
Deal found 12/19$1,118
This United Airlines deal was found by Cheapflights users on 12/19. 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 12/2211:59 pmPDX - POS
1 stop20h 24mUnited Airlines
Sun 1/41:30 amPOS - PDX
1 stop25h 29mUnited Airlines
Deal found 12/19$1,155
This United Airlines deal was found by Cheapflights users on 12/20. 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.
Sun 12/217:12 pmSEA - POS
2 stops25h 53mUnited Airlines
Sat 1/31:30 amPOS - SEA
2 stops25h 42mUnited Airlines
Deal found 12/20$1,247
This Kiwi.com deal was found by Cheapflights users on 12/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/209:42 pmPDX - POS
2 stops48h 31mMultiple Airlines
Thu 12/255:55 pmPOS - PDX
1 stop30h 55mMultiple Airlines
Deal found 12/19$1,316
This United Airlines deal was found by Cheapflights users on 12/19. 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.
Sat 12/206:40 pmPDX - POS
2 stops26h 25mUnited Airlines
Wed 12/241:30 amPOS - PDX
2 stops25h 10mUnited Airlines
Deal found 12/19$1,594
This American Airlines deal was found by Cheapflights users on 12/19. 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.
Sun 12/2112:49 amPDX - POS
2 stops18h 57mAmerican Airlines
Mon 1/54:46 pmPOS - PDX
2 stops22h 59mAmerican Airlines
Deal found 12/19$1,636
This American Airlines deal was found by Cheapflights users on 12/20. 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.
Sun 12/2110:49 pmPDX - POS
1 stop20h 57mAmerican Airlines
Sun 1/44:46 pmPOS - PDX
2 stops22h 14mAmerican Airlines
Deal found 12/20$1,837
This Mytrip deal was found by Cheapflights users on 12/19. 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 12/248:00 pmSEA - POS
3 stops22h 15mMultiple Airlines
Thu 1/110:10 amPOS - SEA
3 stops32h 21mMultiple Airlines
Deal found 12/19$2,277
This American Airlines deal was found by Cheapflights users on 12/20. 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.
Sun 12/2110:06 pmSEA - POS
1 stop21h 40mAmerican Airlines
Sun 1/46:02 amPOS - SEA
1 stop21h 40mAmerican Airlines
Deal found 12/20$2,617

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 December 20, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$583
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$912
Provider with most accurate pricing for Seattle/Tacoma Intl-Port of Spain Piarco Intl flight deals.
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Port of Spain Piarco Intl flights.
From Washington to Port of Spain Piarco Intl
Highest demand for flights based on searches. 8% potential increase in price ($67 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Average for round-trip flights in December 2025

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 December 20, 2025.
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

Sun 1/11

11:11 pm-10:48 pm

1 stop19h 37m

Port of Spain Piarco Intl

Mon 1/19

6:30 am-11:42 pm

1 stop21h 12m

$583

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 2/2

7:00 am-12:23 am

1 stop13h 23m

Port of Spain Piarco Intl

Sun 2/8

2:20 am-4:01 pm

2 stops17h 41m

$587

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Mon 1/19

7:00 am-12:23 am

1 stop13h 23m

Port of Spain Piarco Intl

Sun 1/25

1:30 am-12:18 pm

1 stop14h 48m

$659

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

8:00 pm-1:20 am

2 stops49h 20m

Port of Spain Piarco Intl

Sun 1/18

2:20 am-10:06 pm

2 stops47h 46m

$668

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Mon 1/19

10:15 pm-10:48 pm

2 stops20h 33m

Port of Spain Piarco Intl

Mon 1/26

4:30 pm-1:21 pm

2 stops24h 51m

$683

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 5/13

7:00 am-11:23 pm

1 stop13h 23m

Port of Spain Piarco Intl

Fri 5/15

12:30 am-7:43 pm

1 stop22h 13m

$693

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Wed 5/13

7:00 am-11:23 pm

1 stop13h 23m

Port of Spain Piarco Intl

Fri 5/15

12:30 am-2:31 pm

2 stops17h 01m

$849

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Mon 1/19

7:00 pm-1:20 am

3 stops26h 20m

Port of Spain Piarco Intl

Sun 1/25

2:20 am-2:40 pm

2 stops16h 20m

$883

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

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 $388). Flying from State of Washington to Port of Spain in May is currently the most expensive (average of $641). 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.

What is the cheapest time of day to fly from WA to POS?

Find hourly flight availability from Washington to Port of Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 20, 2025.

Unlike in the afternoon, when flights are generally more expensive, you can save up to 26% on flights from State of Washington to Port of Spain by exploring options for tickets at noon.

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 23m. Fly via American Airlines or United Airlines to get the fastest option. The distance from State of Washington to Port of Spain is about 4314 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 $388). Flying from State of Washington to Port of Spain in May is currently the most expensive (average of $641). 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.

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 December 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$524Average$683FlexibilityNo 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.