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Port of Spain

$210+ 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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — POS
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap 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 September 16, 2025.

Round-trip from

$472
(United Airlines)

One-way from

$210
(Priceline)

Popular in

December

Cheapest in

October

Average price

$524
From Washington to Port of Spain Piarco Intl
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One-way flight from Washington to Port of Spain Piarco Intl
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Highest demand for flights based on searches. 24% potential increase in price ($250 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($86 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find 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 September 16, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 11/117:10 amSEA - POS
1 stop13h 13mUnited Airlines
Sun 11/161:30 amPOS - SEA
1 stop21h 55mUnited Airlines
Deal found 9/15$472
This American Airlines deal was found by Cheapflights users on 9/15. 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.
Wed 11/1210:08 pmSEA - POS
1 stop21h 31mAmerican Airlines
Mon 11/177:19 amPOS - SEA
1 stop20h 07mAmerican Airlines
Deal found 9/15$486
This United Airlines deal was found by Cheapflights users on 9/15. 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 11/127:10 amSEA - POS
1 stop13h 13mUnited Airlines
Sun 11/161:30 amPOS - SEA
2 stops18h 45mUnited Airlines
Deal found 9/15$498
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/17:05 amSEA - POS
1 stop13h 18mUnited Airlines
Sun 10/512:30 amPOS - SEA
1 stop21h 46mUnited Airlines
Deal found 9/14$513
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 11/2011:59 pmSEA - POS
2 stops20h 24mUnited Airlines
Wed 11/261:30 amPOS - SEA
2 stops18h 45mUnited Airlines
Deal found 9/14$539
This Expedia deal was found by Cheapflights users on 9/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/111:59 pmSEA - POS
1 stop11h 35mJetBlue
Mon 10/64:12 pmPOS - SEA
1 stop33h 24mJetBlue
Deal found 9/14$548
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/17:05 amSEA - POS
1 stop13h 18mUnited Airlines
Sat 10/412:30 amPOS - SEA
1 stop21h 46mUnited Airlines
Deal found 9/15$554
This United Airlines deal was found by Cheapflights users on 9/14. 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 10/176:35 amSEA - POS
2 stops13h 48mUnited Airlines
Wed 10/2912:30 amPOS - SEA
1 stop21h 55mUnited Airlines
Deal found 9/14$557
This United Airlines deal was found by Cheapflights users on 9/15. 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.
Thu 11/1311:59 pmSEA - POS
1 stop20h 24mUnited Airlines
Sun 11/161:30 amPOS - SEA
1 stop21h 55mUnited Airlines
Deal found 9/15$582
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/111:59 pmPDX - POS
2 stops20h 24mUnited Airlines
Tue 10/1412:30 amPOS - PDX
1 stop14h 28mUnited Airlines
Deal found 9/15$668
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 10/95:00 amPDX - POS
2 stops15h 23mUnited Airlines
Tue 10/1412:30 amPOS - PDX
1 stop14h 28mUnited Airlines
Deal found 9/16$669
This United Airlines deal was found by Cheapflights users on 9/15. 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 9/195:00 amPDX - POS
2 stops15h 23mUnited Airlines
Sat 9/2012:30 amPOS - PDX
1 stop14h 28mUnited Airlines
Deal found 9/15$718

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 September 16, 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

Thu 11/20

7:10 am-12:23 am

1 stop13h 13m

Port of Spain Piarco Intl

Wed 11/26

1:30 am-7:25 pm

1 stop21h 55m

$472

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 11/11

7:10 am-12:23 am

1 stop13h 13m

Port of Spain Piarco Intl

Sun 11/16

1:30 am-6:25 pm

2 stops20h 55m

$477

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 10/1

6:35 am-11:23 pm

2 stops13h 48m

Port of Spain Piarco Intl

Sun 10/5

12:30 am-7:16 pm

1 stop21h 46m

$513

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 10/1

11:59 pm-2:34 pm

1 stop11h 35m

Port of Spain Piarco Intl

Mon 10/6

4:12 pm-10:36 pm

1 stop33h 24m

$548

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 10/1

7:05 am-11:23 pm

1 stop13h 18m

Port of Spain Piarco Intl

Sat 10/4

12:30 am-7:16 pm

1 stop21h 46m

$554

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Fri 10/17

6:35 am-11:23 pm

2 stops13h 48m

Port of Spain Piarco Intl

Wed 10/29

12:30 am-7:25 pm

1 stop21h 55m

$557

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 10/29

11:59 pm-11:23 pm

1 stop20h 24m

Port of Spain Piarco Intl

Tue 11/4

1:30 am-12:47 pm

1 stop15h 17m

$582

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Thu 11/13

11:59 pm-12:23 am

1 stop20h 24m

Port of Spain Piarco Intl

Sun 11/16

1:30 am-7:25 pm

1 stop21h 55m

$582

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Thu 1/1

7:00 am-12:23 am

1 stop13h 23m

Port of Spain Piarco Intl

Wed 1/21

1:30 am-6:48 pm

2 stops21h 18m

$658

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Wed 10/1

11:59 pm-11:23 pm

2 stops20h 24m

Port of Spain Piarco Intl

Tue 10/14

12:30 am-11:58 am

1 stop14h 28m

$668

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 18 results
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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, October is the cheapest month in which you can book a flight from State of Washington to Port of Spain (average of $435). Flying from State of Washington to Port of Spain in December is currently the most expensive (average of $710). 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from State of Washington to Port of Spain as you normally would.

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 13m. Fly via United Airlines to get the fastest option. The distance from State of Washington to Port of Spain is about 4332 mi.

  • What are the cheapest airlines to fly from State of Washington to Port of Spain one-way?

    $210 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on JetBlue and United Airlines, with prices starting from $210 and $271, respectively.

  • 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, October is the cheapest month in which you can book a flight from State of Washington to Port of Spain (average of $435). Flying from State of Washington to Port of Spain in December is currently the most expensive (average of $710). 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

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Alternative routes for Washington to Port of Spain

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Washington to Port of Spain

Discover the top 2 airlines 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$472Average$659FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$493Average$647FlexibilityNo cancel feeOn-time69%

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