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Port of Spain

$275+ Cheap flights from Seattle (SEA) 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — POS
Mar 9 — Mar 161
Mon 3/9
Mon 3/16
1 adult, Economy
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Cheap flight deals from Seattle to Port of Spain

Cheapest flights from Seattle to Port of Spain
Explore the most affordable flight options available from Seattle to Port of Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 7, 2026.

This Orbitz deal was found by Cheapflights users on 2/5. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/411:59 pm
SEA
-
POS
1 stop11h 22m
JetBlue
Mon 6/83:50 pm
POS
-
SEA
1 stop32h 03m
JetBlue
Deal found 2/5$595
This United Airlines deal was found by Cheapflights users on 2/5. 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 6/45:00 am
SEA
-
POS
2 stops15h 23m
United Airlines
Sun 6/712:30 am
POS
-
SEA
1 stop13h 02m
United Airlines
Deal found 2/5$608
This Priceline deal was found by Cheapflights users on 2/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:59 pm
SEA
-
POS
1 stop11h 22m
JetBlue
Wed 9/93:59 pm
POS
-
SEA
1 stop33h 25m
JetBlue
Deal found 2/5$620
This Air Canada deal was found by Cheapflights users on 2/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/710:05 am
SEA
-
POS
2 stops34h 15m
Air Canada
Tue 3/101:20 am
POS
-
SEA
1 stop23h 56m
Air Canada
Deal found 2/2$648
This Priceline deal was found by Cheapflights users on 2/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2611:59 pm
SEA
-
POS
1 stop11h 22m
JetBlue
Fri 9/113:59 pm
POS
-
SEA
1 stop33h 25m
JetBlue
Deal found 2/4$660
This American Airlines deal was found by Cheapflights users on 2/5. 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 8/265:24 am
SEA
-
POS
2 stops13h 12m
American Airlines
Fri 9/113:45 pm
POS
-
SEA
2 stops21h 45m
American Airlines
Deal found 2/5$663
This United Airlines deal was found by Cheapflights users on 2/4. 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 8/2411:59 pm
SEA
-
POS
1 stop20h 24m
United Airlines
Wed 9/912:30 am
POS
-
SEA
2 stops16h 26m
United Airlines
Deal found 2/4$714
This United Airlines deal was found by Cheapflights users on 2/4. 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 8/255:07 am
SEA
-
POS
2 stops16h 43m
United Airlines
Sat 9/1212:30 am
POS
-
SEA
2 stops16h 26m
United Airlines
Deal found 2/4$718
This United Airlines deal was found by Cheapflights users on 2/5. 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 8/265:00 pm
SEA
-
POS
1 stop27h 23m
United Airlines
Thu 9/1012:30 am
POS
-
SEA
1 stop21h 42m
United Airlines
Deal found 2/5$728

Find flight deals from Seattle to Port of Spain

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Port of Spain (POS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated February 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$595
(Orbitz)

One-way from

$275
(United Airlines)

Popular in

December

Cheapest in

September

Average price

$682
Provider with most accurate pricing for Seattle/Tacoma Intl-Port of Spain Piarco Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Port of Spain Piarco Intl flights.
Search Deals
From Seattle/Tacoma Intl to Port of Spain Piarco Intl
Search Deals
One-way flight from Seattle/Tacoma Intl to Port of Spain Piarco Intl
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($77 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle 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 February 7, 2026.
Use the filters below to find and compare flights from Seattle to Port of Spain that are best for you.

Fly from

Seattle

Fly to

Port of Spain

Route

Depart

Return

Price

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Thu 6/4

11:59 pm-2:21 pm

1 stop11h 22m

Port of Spain Piarco Intl

Mon 6/8

3:50 pm-8:53 pm

1 stop32h 03m

$595

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Thu 6/4

5:00 am-11:23 pm

2 stops15h 23m

Port of Spain Piarco Intl

Sun 6/7

12:30 am-10:32 am

1 stop13h 02m

$608

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sat 3/7

10:05 am-12:20 am

2 stops34h 15m

Port of Spain Piarco Intl

Tue 3/10

1:20 am-10:16 pm

1 stop23h 56m

$648

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sat 3/7

6:45 am-12:23 am

1 stop13h 38m

Port of Spain Piarco Intl

Tue 3/10

12:30 am-7:25 pm

1 stop21h 55m

$714

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Fri 3/6

5:00 am-12:23 am

2 stops15h 23m

$275

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Thu 3/5

6:45 am-12:23 am

1 stop13h 38m

$275

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Thu 3/5

1:16 pm-8:00 pm

3 stops26h 44m

$277

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Fri 3/6

12:24 pm-8:00 pm

3 stops51h 36m

$282

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/4

Compare providers for flights from Seattle to Port of Spain

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Port of Spain in February.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Port of Spain flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Port of Spain flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Port of Spain flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Port of Spain flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Port of Spain flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Port of Spain from Seattle 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 Seattle to Port of Spain

What is the cheapest month to book a flight from Seattle to Port of Spain?

Currently, February is the cheapest month in which you can book a flight from Seattle to Port of Spain (average of $385). Flying from Seattle to Port of Spain in May is currently the most expensive (average of $629). 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.

Reviews of airlines servicing Port of Spain

Get insights into the airlines that provide service to Port of Spain. 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 Port of Spain. Reviews last updated February 7, 2026.
Get a feel of what it's like to fly with United Airlines from Seattle to Port of Spain by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,244 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,244 reviews
United Airlines
7.4
Good
9,244 reviews

Boarding

7.7

Crew

8.1

Food

6.6

Overall

7.4

Comfort

7.3

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Seattle 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.

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

    There are many flights that can get you from Seattle to Port of Spain in 11h 22m. Fly via JetBlue, United Airlines, or Air Canada to get the fastest option. Seattle and Port of Spain are separated by a distance of 4332 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Seattle to Port of Spain round-trip?

    United Airlines, at $524, was found to be the cheapest airline from Seattle to Port of Spain.. United Airlines is 22% cheaper than the average price of flights available within the next 90 days to this destination.

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

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

  • How can I find direct flights from Seattle 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 Seattle to Port of Spain.

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

    Yes. Cheapflights offers flight deals from Seattle 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 Seattle to Port of Spain?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Port of Spain (average of $385). Flying from Seattle to Port of Spain in May is currently the most expensive (average of $629). 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Seattle to Port of Spain

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

Top airline flying from Seattle to Port of Spain

Discover the top airline that operate flights from Seattle 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 February 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$524Average$693FlexibilityNo cancel feeOn-time69%

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