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Port of Spain

$335+ 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 12/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — POS
Aug 16 — Aug 231
Sat 8/16
Sat 8/23
1 adult, Economy
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Cheap 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 August 11, 2025.

Round-trip from

$529
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$624
From Seattle/Tacoma Intl to Port of Spain Piarco Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($223 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($80 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find 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 August 11, 2025.

This American Airlines deal was found by Cheapflights users on 8/10. 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.
Mon 10/2012:34 amSEA - POS
2 stops17h 46mAmerican Airlines
Sat 11/17:00 amPOS - SEA
2 stops20h 27mAmerican Airlines
Deal found 8/10$529
This Priceline deal was found by Cheapflights users on 8/8. 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.
Tue 9/2311:59 pmSEA - POS
1 stop11h 35mJetBlue
Tue 9/303:59 pmPOS - SEA
1 stop33h 21mJetBlue
Deal found 8/8$554
This American Airlines deal was found by Cheapflights users on 8/10. 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 10/288:49 pmSEA - POS
1 stop14h 36mAmerican Airlines
Sun 11/167:01 amPOS - SEA
1 stop20h 39mAmerican Airlines
Deal found 8/10$631
This American Airlines deal was found by Cheapflights users on 8/9. 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.
Mon 10/68:49 pmSEA - POS
1 stop14h 36mAmerican Airlines
Fri 10/107:00 amPOS - SEA
1 stop19h 35mAmerican Airlines
Deal found 8/9$634
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/2111:10 pmSEA - POS
1 stop21h 13mUnited Airlines
Fri 10/3112:30 amPOS - SEA
1 stop15h 17mUnited Airlines
Deal found 8/11$644
This United Airlines deal was found by Cheapflights users on 8/10. 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 10/611:10 pmSEA - POS
1 stop21h 13mUnited Airlines
Thu 10/912:30 amPOS - SEA
1 stop23h 53mUnited Airlines
Deal found 8/10$658
This United Airlines deal was found by Cheapflights users on 8/11. 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 10/287:10 amSEA - POS
1 stop13h 13mUnited Airlines
Sat 11/151:30 amPOS - SEA
1 stop15h 17mUnited Airlines
Deal found 8/11$659

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 August 11, 2025.
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

Mon 10/20

12:34 am-9:20 pm

2 stops17h 46m

Port of Spain Piarco Intl

Sat 11/1

7:00 am-12:27 am

2 stops20h 27m

$529

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 9/23

11:59 pm-2:34 pm

1 stop11h 35m

Port of Spain Piarco Intl

Tue 9/30

3:59 pm-10:20 pm

1 stop33h 21m

$554

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

10:57 pm-10:20 pm

1 stop19h 23m

Port of Spain Piarco Intl

Mon 1/19

7:10 am-11:27 pm

1 stop20h 17m

$626

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 10/28

8:49 pm-2:25 pm

1 stop14h 36m

Port of Spain Piarco Intl

Sun 11/16

7:01 am-11:40 pm

1 stop20h 39m

$631

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 10/6

8:49 pm-2:25 pm

1 stop14h 36m

Port of Spain Piarco Intl

Fri 10/10

7:00 am-11:35 pm

1 stop19h 35m

$634

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 10/21

11:10 pm-11:23 pm

1 stop21h 13m

Port of Spain Piarco Intl

Fri 10/31

12:30 am-12:47 pm

1 stop15h 17m

$644

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 10/6

11:10 pm-11:23 pm

1 stop21h 13m

Port of Spain Piarco Intl

Thu 10/9

12:30 am-9:23 pm

1 stop23h 53m

$658

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 10/28

7:10 am-11:23 pm

1 stop13h 13m

Port of Spain Piarco Intl

Sat 11/15

1:30 am-12:47 pm

1 stop15h 17m

$659

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Thu 12/11

8:00 pm-1:10 am

2 stops25h 10m

$335

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Thu 12/11

7:10 am-12:23 am

1 stop13h 13m

$338

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/11

Showing 1-10 of 12 results
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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, October is the cheapest month in which you can book a flight from Seattle to Port of Spain (average of $435). Flying from Seattle to Port of Spain in December is currently the most expensive (average of $710). 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.

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

Find hourly flight availability from Seattle to Port of Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 11, 2025.

Unlike in the evening, when flights are generally more expensive, you can save up to 26% on flights from Seattle to Port of Spain by exploring options for tickets in the morning.

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 August 11, 2025.
Get a feel of what it's like to fly with United Airlines, American Airlines, and JetBlue 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
8,922 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
United Airlines
7.4
Good
8,922 reviews
United Airlines
7.4
Good
8,922 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
American Airlines
7.2
Good
10,000 reviews
United Airlines
7.4
Good
8,922 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
JetBlue
7.2
Good
2,916 reviews
United Airlines
7.4
Good
8,922 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??
Air Canada
7.1
Good
9,930 reviews
United Airlines
7.4
Good
8,922 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.1

Reviews

1 / 20
4.0
Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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.

  • What are the cheapest airlines flying from Seattle to Port of Spain round-trip?

    American Airlines, at $529, was found to be the cheapest airline from Seattle to Port of Spain. An alternate airline flying to your destination would be JetBlue. American Airlines is 29% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Seattle to Port of Spain one-way?

    One-way options have recently been found by users for as low as $335 on Air Canada. Other airlines that offer cheap prices include United Airlines from $338 and American Airlines from $398 one-way.

  • 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, October is the cheapest month in which you can book a flight from Seattle to Port of Spain (average of $435). Flying from Seattle to Port of Spain in December is currently the most expensive (average of $710). 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 2 airlines flying from Seattle to Port of Spain

Discover the top 2 airlines 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 August 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$492Average$729FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$493Average$646FlexibilityNo cancel feeOn-time69%

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