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$516+ Cheap flights from Port of Spain (POS) to Washington

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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.
POS — SEA
déc. 4 — déc. 111
jeu. 12/4
jeu. 12/11
1 adult, Economy
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Cheap flight deals from Port of Spain to Washington

Keep the following information in mind while searching for Port of Spain to Washington flight deals. Data was last updated novembre 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$516
(United Airlines)

Popular in

November

Cheapest in

May

Average price

$1,081
Provider with most accurate pricing for Port of Spain Piarco Intl-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Port of Spain Piarco Intl-Seattle/Tacoma Intl flights.
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From Port of Spain Piarco Intl to Washington
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($26 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 Port of Spain to Washington

Cheapest flights from Port of Spain to Washington
Explore the most affordable flight options available from Port of Spain to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on novembre 4, 2025.

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.
ven. 12/191:30 amPOS - SEA
1 stop27h 04mUnited Airlines
jeu. 12/251:55 pmSEA - POS
2 stops30h 28mUnited Airlines
Deal found 11/3$687
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.
mar. 12/161:30 amPOS - SEA
2 stops17h 59mUnited Airlines
dim. 12/285:00 amSEA - POS
1 stop15h 23mUnited Airlines
Deal found 11/3$691
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.
mer. 12/177:10 amPOS - SEA
1 stop20h 06mAmerican Airlines
dim. 12/2810:06 pmSEA - POS
1 stop13h 40mAmerican Airlines
Deal found 11/3$803
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.
sam. 12/201:30 amPOS - SEA
1 stop27h 04mUnited Airlines
ven. 12/265:00 amSEA - POS
1 stop15h 23mUnited Airlines
Deal found 11/3$835
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dim. 12/217:40 amPOS - SEA
3 stops19h 11mMultiple Airlines
ven. 12/268:10 amSEA - POS
1 stop13h 00mMultiple Airlines
Deal found 11/3$949
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.
sam. 12/204:46 pmPOS - SEA
1 stop22h 44mAmerican Airlines
jeu. 12/2512:43 pmSEA - POS
1 stop23h 03mAmerican Airlines
Deal found 11/3$969
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 12/173:35 pmPOS - SEA
3 stops29h 43mMultiple Airlines
dim. 12/288:10 amSEA - POS
1 stop13h 00mMultiple Airlines
Deal found 11/3$974

Cheapflights Fare Finder

 
Customize your flight search to find flights from Port of Spain to Washington 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 novembre 4, 2025.
Use the filters below to find and compare flights from Port of Spain to Washington that are best for you.

Fly from

Port of Spain

Fly to

Washington

Route

Depart

Return

Price

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

jeu. 2/26

1:30 am-1:24 pm

1 stop15h 54m

Seattle/Tacoma Intl

mar. 3/3

6:45 am-12:23 am

1 stop13h 38m

$516

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

lun. 3/16

12:30 am-12:20 pm

1 stop14h 50m

Seattle/Tacoma Intl

mar. 3/24

7:03 am-11:23 pm

1 stop13h 20m

$516

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

ven. 1/2

1:30 am-11:12 pm

2 stops49h 42m

$1,024

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

sam. 1/3

4:46 pm-9:27 am

2 stops20h 41m

$1,240

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

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

Have a flexible travel schedule? Discover the best time to fly to Washington from Port of Spain 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 Port of Spain to Washington
No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Washington

Get insights into the airlines that provide service to Washington. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Washington. Reviews last updated novembre 4, 2025.
See what other customers who have flown with United Airlines from Port of Spain to Washington have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,002 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000
United Airlines
7.4
Good
9,002 reviews
United Airlines
7.4
Good
9,002 reviews

Food

6.6

Overall

7.4

Boarding

7.7

Comfort

7.3

Crew

8.1

Entertainment

7.1

Reviews

1 / 20
2.0
Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

Find useful and relevant information for your journey from Port of Spain to Washington. 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 from for flights from Port of Spain to Washington?

    Most people fly from Port of Spain Piarco Intl (POS) if they book a flight from Port of Spain to Washington. Port of Spain Piarco Intl is conveniently located just 12.6 mi from Port of Spain’s city center.

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

    A quick flight from Port of Spain to State of Washington can take about 15h 54m. United Airlines provides one of the quickest options available for as low as $516. There are 4332 mi between Port of Spain and State of Washington.

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

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

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

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

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

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

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

Discover the top airline that operate flights from Port of Spain to Washington. 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 novembre 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$617Average$718FlexibilityNo cancel feeOn-time69%

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