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Port of Spain

$291+ 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 6/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — POS
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$549
(United Airlines)

One-way from

$291
(United Airlines)

Popular in

December

Cheapest in

January

Average price

$976
Provider with most accurate pricing for Seattle/Tacoma Intl-Port of Spain Piarco Intl flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Port of Spain Piarco Intl flights.
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From Seattle/Tacoma Intl to Port of Spain Piarco Intl
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One-way flight from Seattle/Tacoma Intl to Port of Spain Piarco Intl
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Highest demand for flights based on searches. 8% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 8% potential price decrease ($70 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This United Airlines deal was found by Cheapflights users on 3/28. 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 5/127:14 amSEA - POS
1 stop13h 09mUnited Airlines
Sun 5/1812:30 amPOS - SEA
2 stops21h 00mUnited Airlines
Deal found 3/28$549
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Thu 4/1010:10 pmSEA - POS
1 stop12h 46mAmerican Airlines
Thu 4/243:10 pmPOS - SEA
2 stops22h 05mAmerican Airlines
Deal found 3/27$682
This Mytrip deal was found by Cheapflights users on 3/26. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/97:05 amSEA - POS
2 stops15h 20mMultiple Airlines
Fri 5/1610:10 amPOS - SEA
2 stops41h 00mMultiple Airlines
Deal found 3/26$725

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 March 28, 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 5/12

7:14 am-11:23 pm

1 stop13h 09m

Port of Spain Piarco Intl

Sun 5/18

12:30 am-6:30 pm

2 stops21h 00m

$549

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Thu 4/10

10:10 pm-1:56 pm

1 stop12h 46m

Port of Spain Piarco Intl

Thu 4/24

3:10 pm-10:15 am

2 stops22h 05m

$682

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Fri 5/9

7:05 am-1:25 am

2 stops15h 20m

Port of Spain Piarco Intl

Fri 5/16

10:10 am-12:10 am

2 stops41h 00m

$725

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 6/25

7:10 am-11:23 pm

1 stop13h 13m

$291

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 6/25

4:58 pm-1:47 am

3 stops29h 49m

$320

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Fri 6/27

5:40 am-1:25 am

2 stops16h 45m

$442

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 6/25

11:55 pm-2:15 pm

2 stops35h 20m

$455

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

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 March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-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 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, 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 March 28, 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.

Rainfall in Port of Spain by month

Plan your trip to Port of Spain by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Port of Spain ranges from 1.2 - 9.8 inches per month. June is typically the wettest month, when rainfall can reach 9.8 in. March is typically the driest time to visit Port of Spain when rainfall is around 1.2 in.

Temperature in Port of Spain by month

Plan your trip to Port of Spain by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Port of Spain, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 March 28, 2025.
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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
8,603 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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
8,603 reviews

Entertainment

7.0

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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
7.0
Good
8,986 reviews
United Airlines
7.4
Good
8,603 reviews

Entertainment

7.0

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

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?

    United Airlines, at $549, was found to be the cheapest airline from Seattle to Port of Spain. An alternate airline flying to your destination would be American Airlines. United Airlines is 36% 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 $291 on United Airlines. Other airlines that offer cheap prices include Air Canada from $442 and American Airlines from $455 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$493Average$655FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$559Average$874FlexibilityNo cancel feeOn-time71%
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