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$639+ Cheap flights from Trinidad to Seattle (SEA)

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 3/16. Fares are subject to change and may not be available on all flights or dates of travel.
POS — SEA
Dec 26 — Jan 21
Fri 12/26
Fri 1/2
1 adult, Economy
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Find flight deals from Trinidad to Seattle

Cheapest flights from Trinidad to Seattle
Explore the most affordable flight options available from Trinidad to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

This United Airlines deal was found by Cheapflights users on 11/25. 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 1/311:59 pmSEA - POS
2 stops44h 24mUnited Airlines
Deal found 11/25$727
This Gotogate deal was found by Cheapflights users on 11/24. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/302:15 amPOS - SEA
1 stop24h 01mAir Canada
Sun 12/78:10 amSEA - POS
1 stop13h 00mAir Canada
Deal found 11/24$760
This United Airlines deal was found by Cheapflights users on 11/24. 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 42mUnited Airlines
Fri 1/27:05 amSEA - POS
2 stops37h 18mUnited Airlines
Deal found 11/24$815
This United Airlines deal was found by Cheapflights users on 11/25. 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 12/211:30 amPOS - SEA
2 stops23h 47mUnited Airlines
Fri 1/212:44 pmSEA - POS
2 stops31h 39mUnited Airlines
Deal found 11/25$820

Cheap flight deals from Trinidad to Seattle

Keep the following information in mind while searching for Trinidad to Seattle flight deals. Data was last updated November 26, 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

$1,081
Provider with most accurate pricing for Port of Spain Piarco Intl-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Port of Spain Piarco Intl-Seattle/Tacoma Intl flights.
Search Deals
From Trinidad to Seattle/Tacoma Intl
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($137 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trinidad to Seattle 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 26, 2025.
Use the filters below to find and compare flights from Trinidad to Seattle that are best for you.

Fly from

Trinidad

Fly to

Seattle

Route

Depart

Return

Price

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 1/16

6:30 am-11:42 pm

1 stop21h 12m

Seattle/Tacoma Intl

Mon 2/2

11:11 pm-10:48 pm

1 stop19h 37m

$639

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Thu 1/15

1:30 am-9:12 pm

3 stops47h 42m

Seattle/Tacoma Intl

Mon 2/2

7:00 am-12:23 am

1 stop13h 23m

$639

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

$640

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Fri 1/2

1:30 am-11:57 pm

2 stops26h 27m

$988

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sat 1/3

6:02 am-11:42 pm

1 stop21h 40m

$1,230

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Best time to book a flight from Trinidad to Seattle

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

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated November 26, 2025.
Read through reviews of airlines operating flights from Trinidad to Seattle, such as United Airlines. 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
9,046 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

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
9,046 reviews
United Airlines
7.4
Good
9,046 reviews

Comfort

7.3

Crew

8.1

Overall

7.4

Food

6.6

Entertainment

7.1

Boarding

7.7

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 Seattle. 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 Seattle from Trinidad?

    Seattle/Tacoma Intl (SEA), located 11.4 mi from the city center, is the airport you fly into when you book flights from Trinidad to Seattle.

  • How long is the flight from Trinidad to Seattle?

    Departing from Trinidad to Seattle will take you 15h 37m. Airlines will cover a distance of 4332 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Trinidad to Seattle 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

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
SeaTac
Olympia
Lakewood
Ocean Shores
Tukwila
Edmonds
Lynnwood
Renton
Puyallup
Kirkland
Kent
Cle Elum
Marysville
Leavenworth
Fife
Issaquah
Aberdeen
Shoreline
Centralia

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Trinidad to Seattle

See prices for flight routes from nearby airports that may be better suited for you.
Port of Spain to Seattle flights

Top airline flying from Trinidad to Seattle

Discover the top airline that operate flights from Trinidad to Seattle. 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 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$617Average$720FlexibilityNo cancel feeOn-time69%

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