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$639+ Cheap flights from Trinidad 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 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
POS — SEA
Dec 29 — Jan 51
Mon 12/29
Mon 1/5
1 adult, Economy
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Cheap flight deals from Trinidad to Washington

Keep the following information in mind while searching for Trinidad to Washington flight deals. Data was last updated November 29, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$639
(United Airlines)

Popular in

January

Cheapest in

May

Average price

$1,139
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 Trinidad to Washington
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($132 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 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 Trinidad to Washington

Cheapest flights from Trinidad to Washington
Explore the most affordable flight options available from Trinidad to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 29, 2025.

This United Airlines deal was found by Cheapflights users on 11/28. 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 12/221:30 amPOS - SEA
2 stops25h 17mUnited Airlines
Fri 1/211:59 pmSEA - POS
1 stop20h 24mUnited Airlines
Deal found 11/28$929
This American Airlines deal was found by Cheapflights users on 11/29. 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 12/234:46 pmPOS - SEA
1 stop22h 44mAmerican Airlines
Fri 1/210:06 pmSEA - POS
1 stop21h 41mAmerican Airlines
Deal found 11/29$963
This United Airlines deal was found by Cheapflights users on 11/29. 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 12/231:30 amPOS - SEA
1 stop25h 22mUnited Airlines
Sat 1/35:00 amSEA - POS
2 stops39h 23mUnited Airlines
Deal found 11/29$969
This American Airlines deal was found by Cheapflights users on 11/29. 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 12/246:02 amPOS - SEA
1 stop21h 40mAmerican Airlines
Sat 1/310:06 pmSEA - POS
1 stop21h 41mAmerican Airlines
Deal found 11/29$1,124

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trinidad 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 November 29, 2025.
Use the filters below to find and compare flights from Trinidad to Washington that are best for you.

Fly from

Trinidad

Fly to

Washington

Route

Depart

Return

Price

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Thu 1/22

1:30 am-4:01 pm

2 stops18h 31m

Seattle/Tacoma Intl

Mon 1/26

7:00 am-12:23 am

1 stop13h 23m

$639

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Mon 3/16

12:30 am-1:07 pm

1 stop15h 37m

Seattle/Tacoma Intl

Tue 3/24

11:59 pm-11:23 pm

1 stop20h 24m

$639

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Fri 1/2

3:40 am-11:57 pm

2 stops24h 17m

$959

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Fri 1/2

1:30 am-9:17 pm

2 stops23h 47m

$988

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sat 1/3

6:02 am-5:09 pm

2 stops15h 07m

$1,751

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/28

Best time to book a flight from Trinidad to Washington

Have a flexible travel schedule? Discover the best time to fly to Washington from Trinidad 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 Trinidad 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 November 29, 2025.
Read reviews from past customers who have flown United Airlines from Trinidad to Washington. 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
9,058 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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
9,058 reviews
United Airlines
7.4
Good
9,058 reviews

Overall

7.4

Boarding

7.7

Crew

8.1

Food

6.6

Comfort

7.3

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 Trinidad to Washington. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    A quick flight from Trinidad to State of Washington can take about 18h 31m. United Airlines provides one of the quickest options available for as low as $639. The distance between Trinidad and State of Washington is about 4332 mi.

  • Can I find deals for flights from Trinidad to Washington that include hotel bookings?

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

  • How can I find direct flights from Trinidad to Washington?

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

  • Can I find deals for business class flights from Trinidad to Washington?

    Yes. Cheapflights offers flight deals from Trinidad 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.

See more FAQs

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Alternative routes for Trinidad to Washington

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Top airline flying from Trinidad to Washington

Discover the top airline that operate flights from Trinidad 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 November 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$617Average$720FlexibilityNo cancel feeOn-time69%

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