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Port of Spain

$383+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — POS
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$473
(United Airlines)

One-way from

$383
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$746
Provider with most accurate pricing for Seattle/Tacoma Intl-Port of Spain Piarco Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Port of Spain Piarco Intl flights.
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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. 20% potential increase in price ($195 potential increase over avg. RT price).
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Cheapest flight prices on average. 9% potential price decrease ($66 potential savings vs. average RT price).
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Average for round-trip flights in November 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 November 3, 2025.

This American Airlines deal was found by Cheapflights users on 11/3. 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.
Mon 12/810:08 pmSEA - POS
1 stop13h 25mAmerican Airlines
Sat 12/137:10 amPOS - SEA
1 stop20h 06mAmerican Airlines
Deal found 11/3$473
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/55:00 amSEA - POS
2 stops15h 23mUnited Airlines
Wed 12/101:30 amPOS - SEA
2 stops18h 37mUnited Airlines
Deal found 11/2$498
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/87:10 amSEA - POS
1 stop13h 13mUnited Airlines
Fri 12/121:30 amPOS - SEA
1 stop25h 17mUnited Airlines
Deal found 11/2$510
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/47:10 amSEA - POS
1 stop13h 13mUnited Airlines
Mon 11/101:30 amPOS - SEA
2 stops20h 30mUnited Airlines
Deal found 11/3$555
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/77:10 amSEA - POS
1 stop13h 13mUnited Airlines
Sat 12/131:30 amPOS - SEA
1 stop15h 12mUnited Airlines
Deal found 11/2$583
This United Airlines deal was found by Cheapflights users on 11/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/97:10 amSEA - POS
1 stop13h 13mUnited Airlines
Thu 12/111:30 amPOS - SEA
2 stops20h 55mUnited Airlines
Deal found 11/2$587
This American Airlines deal was found by Cheapflights users on 11/2. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/510:08 pmSEA - POS
1 stop13h 25mAmerican Airlines
Thu 12/117:10 amPOS - SEA
1 stop20h 06mAmerican Airlines
Deal found 11/2$601

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 November 3, 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

Mon 12/8

10:08 pm-3:33 pm

1 stop13h 25m

Port of Spain Piarco Intl

Sat 12/13

7:10 am-11:16 pm

1 stop20h 06m

$473

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Fri 12/5

7:10 am-12:23 am

1 stop13h 13m

Port of Spain Piarco Intl

Wed 12/10

1:30 am-12:42 pm

1 stop15h 12m

$473

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 12/8

7:10 am-12:23 am

1 stop13h 13m

Port of Spain Piarco Intl

Fri 12/12

1:30 am-10:47 pm

1 stop25h 17m

$510

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 12/7

7:10 am-12:23 am

1 stop13h 13m

Port of Spain Piarco Intl

Sat 12/13

1:30 am-12:42 pm

1 stop15h 12m

$583

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 12/7

11:59 pm-12:23 am

1 stop20h 24m

Port of Spain Piarco Intl

Thu 12/11

1:30 am-12:42 pm

1 stop15h 12m

$583

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 12/9

7:10 am-12:23 am

1 stop13h 13m

Port of Spain Piarco Intl

Sat 12/13

1:30 am-12:42 pm

1 stop15h 12m

$583

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 12/9

7:10 am-12:23 am

1 stop13h 13m

Port of Spain Piarco Intl

Thu 12/11

1:30 am-6:25 pm

2 stops20h 55m

$587

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

7:00 am-12:23 am

1 stop13h 23m

Port of Spain Piarco Intl

Sun 1/18

1:30 am-12:59 am

2 stops27h 29m

$587

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Mon 1/12

11:01 pm-10:48 pm

1 stop19h 47m

Port of Spain Piarco Intl

Fri 1/30

6:30 am-11:46 pm

1 stop21h 16m

$659

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Mon 1/12

7:00 am-12:23 am

1 stop13h 23m

Port of Spain Piarco Intl

Thu 1/29

1:30 am-12:18 pm

1 stop14h 48m

$769

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 19 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 $482). Flying from State of Washington to Port of Spain in December is currently the most expensive (average of $903). 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 November 3, 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 13m. Fly via American Airlines 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.

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

    $383 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Air Canada and American Airlines, with prices starting from $384 and $443, 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 $482). Flying from State of Washington to Port of Spain in December is currently the most expensive (average of $903). 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.

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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$472Average$729FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$493Average$649FlexibilityNo cancel feeOn-time69%

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