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Port of Spain

$624+ Cheap flights from Seattle (SEA) to Port of Spain (POS)

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — POS
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
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 June 18, 2025.

Round-trip from

$624
(United Airlines)

Popular in

December

Cheapest in

October

Average price

$654
From Seattle/Tacoma Intl to Port of Spain Piarco Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($171 potential increase over avg. RT price).
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Cheapest flight prices on average. 11% potential price decrease ($78 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 18, 2025.

This United Airlines deal was found by Cheapflights users on 6/16. 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 8/1111:58 pmSEA - POS
1 stop20h 25mUnited Airlines
Mon 8/1812:30 amPOS - SEA
1 stop15h 16mUnited Airlines
Deal found 6/16$624
This American Airlines deal was found by Cheapflights users on 6/16. 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 7/312:05 amSEA - POS
2 stops18h 31mAmerican Airlines
Tue 7/87:00 amPOS - SEA
1 stop19h 57mAmerican Airlines
Deal found 6/16$696
This Expedia deal was found by Cheapflights users on 6/18. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/45:30 amSEA - POS
2 stops16h 50mAir Canada
Sun 7/62:20 amPOS - SEA
2 stops43h 16mAir Canada
Deal found 6/18$717
This JetBlue deal was found by Cheapflights users on 6/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1111:25 pmSEA - POS
1 stop15h 59mJetBlue
Tue 8/199:22 amPOS - SEA
1 stop14h 11mJetBlue
Deal found 6/16$796
This Mytrip deal was found by Cheapflights users on 6/16. 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 7/45:30 amSEA - POS
2 stops16h 50mMultiple Airlines
Tue 7/89:10 amPOS - SEA
3 stops34h 15mMultiple Airlines
Deal found 6/16$818

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 June 18, 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 8/11

11:58 pm-11:23 pm

1 stop20h 25m

Port of Spain Piarco Intl

Mon 8/18

12:30 am-12:46 pm

1 stop15h 16m

$624

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Thu 7/3

12:05 am-9:36 pm

2 stops18h 31m

Port of Spain Piarco Intl

Tue 7/8

7:00 am-11:57 pm

1 stop19h 57m

$696

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Fri 7/4

5:30 am-1:20 am

2 stops16h 50m

Port of Spain Piarco Intl

Sun 7/6

2:20 am-6:36 pm

2 stops43h 16m

$717

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 8/11

11:25 pm-6:24 pm

1 stop15h 59m

Port of Spain Piarco Intl

Tue 8/19

9:22 am-8:33 pm

1 stop14h 11m

$796

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Fri 7/4

5:30 am-1:20 am

2 stops16h 50m

Port of Spain Piarco Intl

Tue 7/8

9:10 am-4:25 pm

3 stops34h 15m

$818

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/16

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 June 18, 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 June 18, 2025.
Peruse reviews from past customers who have flown with United Airlines, JetBlue and American Airlines from Seattle to Port of Spain to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,810 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.0

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
8,810 reviews
United Airlines
7.4
Good
8,810 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.0

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
7.3
Good
2,924 reviews
United Airlines
7.4
Good
8,810 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.0

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
8,810 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.0

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
9,572 reviews
United Airlines
7.4
Good
8,810 reviews

Comfort

7.3

Boarding

7.7

Food

6.6

Crew

8.1

Overall

7.4

Entertainment

7.0

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 $624, was found to be the cheapest airline from Seattle to Port of Spain.Alternate airlines to your destination round-trip include American Airlines and Air Canada. United Airlines is 18% 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, 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$492Average$873FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$493Average$645FlexibilityNo cancel feeOn-time69%

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