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

Airlines like United Airlines and American Airlines fly from Port of Spain to Seattle in about 15h 37m. The time it takes to get you to your destination can typically vary by up to 8h 58m. The distance from Port of Spain to Seattle is about 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 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 $631 on this airline. United Airlines is priced at 26% 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.

$491+ Flights from Port of Spain to Seattle

Q: How much does it cost to fly round-trip from Port of Spain to Seattle?

Airfare is below average for this route at the moment. Port of Spain to Seattle flights typically cost between $653 and $817 in March. The cheapest round-trip price found within the last 3 days was $640 on United Airlines (Mar 16-Mar 24).

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Find cheap flights from Port of Spain to Seattle with Cheapflights

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

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Port of Spain to Seattle

Cheapest flights from Port of Spain to Seattle
Explore the most affordable flight options available from Port of Spain to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Mon 12/291:30 amPOS - SEA

2 stops36h 26mUnited Airlines

Tue 1/1312:35 pmSEA - POS

3 stops55h 48mUnited Airlines

Deal found 12/14

$783

Mon 12/221:30 amPOS - SEA

1 stop15h 17mUnited Airlines

Fri 1/25:00 amSEA - POS

1 stop15h 23mUnited Airlines

Deal found 12/15

$978

Tue 12/309:10 amPOS - SEA

2 stops31h 20mMultiple Airlines

Tue 1/138:44 amSEA - POS

1 stop30h 11mMultiple Airlines

Deal found 12/13

$991

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 December 15, 2025.

Mon 3/1612:30 amPOS - SEA

1 stop15h 37mUnited Airlines

Tue 3/2411:59 pmSEA - POS

1 stop20h 24mUnited Airlines

Deal found 12/13

$640

Tue 3/173:18 pmPOS - SEA

2 stops24h 35mAmerican Airlines

Tue 3/2410:16 pmSEA - POS

1 stop13h 02mAmerican Airlines

Deal found 12/13

$644

Mon 12/291:30 amPOS - SEA

2 stops27h 29mUnited Airlines

Tue 1/132:10 pmSEA - POS

2 stops54h 13mUnited Airlines

Deal found 12/13

$783

Last-minute flights from Port of Spain to Seattle
Discover last-minute flight deals from Port of Spain to Seattle. Data last updated December 15, 2025 and is based on user searches.

Mon 12/221:30 amPOS - SEA

1 stop15h 17mUnited Airlines

Fri 1/25:00 amSEA - POS

1 stop15h 23mUnited Airlines

Deal found 12/15

$978

Mon 12/291:30 amPOS - SEA

2 stops36h 26mUnited Airlines

Tue 1/1312:35 pmSEA - POS

3 stops55h 48mUnited Airlines

Deal found 12/14

$783

Tue 12/309:10 amPOS - SEA

2 stops31h 20mMultiple Airlines

Tue 1/138:44 amSEA - POS

1 stop30h 11mMultiple Airlines

Deal found 12/13

$991

Tue 1/202:20 amPOS - SEA

2 stops20h 56mAir Canada

Sun 1/255:50 amSEA - POS

2 stops15h 30mAir Canada

Deal found 12/14

$798

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 December 15, 2025.

Sat 12/279:10 amPOS - SEA

2 stops36h 08mMultiple Airlines

Deal found 12/15

$491

Sun 12/287:35 pmPOS - SEA

2 stops42h 36mMultiple Airlines

Deal found 12/15

$513

Fri 12/262:15 amPOS - SEA

1 stop24h 01mAir Canada

Deal found 12/15

$536

Sun 12/284:46 pmPOS - SEA

1 stop22h 44mAmerican Airlines

Deal found 12/15

$586

Fri 1/21:30 amPOS - SEA

2 stops36h 26mUnited Airlines

Deal found 12/15

$776

Find flight deals from Port of Spain to Seattle

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$640 (United Airlines)
Popular in	November
Cheapest in	October
Average price	$726

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

Highest demand for flights based on searches. 3% potential increase in price ($28 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($44 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

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

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

$640

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Tue 3/17

3:18 pm-12:53 pm

2 stops24h 35m

Seattle/Tacoma Intl

Tue 3/24

10:16 pm-2:18 pm

1 stop13h 02m

$644

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Mon 12/29

1:30 am-12:59 am

2 stops27h 29m

Seattle/Tacoma Intl

Tue 1/13

2:10 pm-12:23 am

2 stops54h 13m

$783

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sat 12/27

9:10 am-5:18 pm

2 stops36h 08m

$491

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sun 12/28

7:35 pm-10:11 am

2 stops42h 36m

$513

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Fri 12/26

2:15 am-10:16 pm

1 stop24h 01m

$536

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sun 12/28

4:46 pm-11:30 am

1 stop22h 44m

$586

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Fri 1/2

1:30 am-9:56 am

2 stops36h 26m

$776

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/15

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 December.

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.

Cheapflights Insights

Everything you need to know about your flight from Port of Spain to Seattle

How much does it cost to fly round-trip from Port of Spain to Seattle?

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

9,092 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

United Airlines

7.4

Good

9,092 reviews

United Airlines

7.4

Good

9,092 reviews

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

AMS - EWR

It was good! The first 3/4 of the trip was uncomfortably cold. Only one option for lunch that I didn’t enjoy (vegetarian).

Related info for your journey

How long is the flight from Port of Spain to Seattle?
Airlines like United Airlines and American Airlines fly from Port of Spain to Seattle in about 15h 37m. The time it takes to get you to your destination can typically vary by up to 8h 58m. The distance from Port of Spain to Seattle is about 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 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 $631 on this airline. United Airlines is priced at 26% 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.

See more FAQs

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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$631	Average$750	FlexibilityNo cancel fee	On-time69%

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$491+ Cheap flights from Port of Spain (POS) to Seattle (SEA)

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 12/27. 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

Cheap flight deals from Port of Spain to Seattle

Cheapest flights from Port of Spain to SeattleExplore the most affordable flight options available from Port of Spain to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Explore the most affordable flight options available from Port of Spain to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.

Find 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 December.

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.

Cheapflights Insights

Everything you need to know about your flight from Port of Spain to Seattle

How much does it cost to fly round-trip from Port of Spain to Seattle?

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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Travel Smart

Cheapest flights from Port of Spain to Seattle
Explore the most affordable flight options available from Port of Spain to Seattle. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 15, 2025.