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

Airlines like United Airlines fly from Port of Spain to Seattle in about 15h 54m. The time it takes to get you to your destination can typically vary by up to . The distance from Port of Spain to Seattle is about 4332 mi.

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

Our cheapest airline available from Port of Spain to Seattle is United Airlines. Our recent data shows that you can find tickets from as low as $617 on this airline. United Airlines is priced at 25% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Seattle ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit Seattle when rainfall is around 0.7 in.

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

What is the cheapest time of day to fly from POS to SEA?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Port of Spain to Seattle as you normally would.

Most accurate provider : When it comes to deals on Port of Spain-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Port of Spain-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Port of Spain-Seattle flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Port of Spain-Seattle flights, Cheapflights users trust eDreams the most. eDreams 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 Port of Spain-Seattle flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

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

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 Seattle.

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

Yes. Cheapflights offers flight deals from Port of Spain 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.

$516+ Flights from Port of Spain to Seattle

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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Find flight deals from Port of Spain to Seattle

Best flights from Port of Spain to Seattle
Discover carefully curated flight deals from Port of Spain to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 6, 2025.

Thu 2/261:30 amPOS - SEA

1 stop15h 54mUnited Airlines

Tue 3/36:45 amSEA - POS

1 stop13h 38mUnited Airlines

Deal found 11/4

$516

Mon 3/1612:30 amPOS - SEA

1 stop14h 50mUnited Airlines

Tue 3/247:03 amSEA - POS

1 stop13h 20mUnited Airlines

Deal found 11/5

$516

One-way flights from Port of Spain to Seattle
Search for one-way flight options from Port of Spain to Seattle. Find affordable one-way fares based on user searches. Data last updated November 6, 2025.

Fri 1/22:20 amPOS - SEA

2 stops22h 57mUnited Airlines

Deal found 11/6

$988

Sat 1/36:02 amPOS - SEA

1 stop21h 40mAmerican Airlines

Deal found 11/6

$1,006

Cheap flight deals from Port of Spain to Seattle

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.

Search Deals

Provider most trusted by Cheapflights users for Port of Spain Piarco Intl-Seattle/Tacoma Intl flights.

Search Deals

From Port of Spain Piarco Intl to Seattle/Tacoma Intl

Search Deals

High demand for flights, 1% potential price rise

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in November 2025

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Cheapflights Fare Finder

Use the filters below to find and compare flights from Port of Spain to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Thu 2/26

1:30 am-1:24 pm

1 stop15h 54m

Seattle/Tacoma Intl

Tue 3/3

6:45 am-12:23 am

1 stop13h 38m

$516

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Mon 3/16

12:30 am-12:20 pm

1 stop14h 50m

Seattle/Tacoma Intl

Tue 3/24

7:03 am-11:23 pm

1 stop13h 20m

$516

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Fri 1/2

2:20 am-9:17 pm

2 stops22h 57m

$988

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sat 1/3

6:02 am-11:42 pm

1 stop21h 40m

$1,006

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Compare providers for flights from Port of Spain to Seattle

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Port of Spain to Seattle in November.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
Priceline	Price Accuracy1 star	Trust Score*3 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 Port of Spain-Seattle flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Port of Spain-Seattle flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Port of Spain-Seattle flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Port of Spain-Seattle flights, Cheapflights users trust eDreams the most. eDreams 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 Port of Spain-Seattle 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 Port of Spain to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle 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.

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Port of Spain to Seattle, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

9,007 reviews

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

9,007 reviews

United Airlines

7.4

Good

9,007 reviews

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

How long is the flight from Port of Spain to Seattle?
Airlines like United Airlines fly from Port of Spain to Seattle in about 15h 54m. The time it takes to get you to your destination can typically vary by up to . The distance from Port of Spain to Seattle is about 4332 mi.
What is the cheapest airline to fly from Port of Spain to Seattle round-trip?
Our cheapest airline available from Port of Spain to Seattle is United Airlines. Our recent data shows that you can find tickets from as low as $617 on this airline. United Airlines is priced at 25% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Port of Spain to Seattle that include hotel bookings?
Yes. In addition to deals on Port of Spain to Seattle flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Port of Spain to Seattle?
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 Seattle.
Can I find deals for business class flights from Port of Spain to Seattle?
Yes. Cheapflights offers flight deals from Port of Spain 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.

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Other flights to Seattle

Top airline flying from Port of Spain to Seattle

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$617	Average$718	FlexibilityNo cancel fee	On-time69%

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$516+ Cheap flights from Port of Spain (POS) 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 2/26. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Port of Spain to Seattle with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Find flight deals from Port of Spain to Seattle

Best flights from Port of Spain to SeattleDiscover carefully curated flight deals from Port of Spain to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 6, 2025.

Discover carefully curated flight deals from Port of Spain to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 6, 2025.

Cheap flight deals from Port of Spain to Seattle

Most accurate provider

Most trusted provider

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Port of Spain to Seattle that are best for you.

Compare providers for flights from Port of Spain to Seattle

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 Port of Spain to Seattle in November.

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

Have a flexible travel schedule? Discover the best time to fly to Seattle from Port of Spain with our price prediction graph.

Reviews of airlines servicing Seattle

Read through reviews of airlines operating flights from Port of Spain to Seattle, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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

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

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

Traveling to a place near Seattle?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Complete your trip to Seattle by adding a car rental and/or hotel reservation to your travel itinerary.

Top airline flying from Port of Spain to Seattle

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Book with Flexibility

Travel Smart

Best flights from Port of Spain to Seattle
Discover carefully curated flight deals from Port of Spain to Seattle that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 6, 2025.