When did momondo last update prices for flights from Port of Spain Piarco Intl Airport to Seattle/Tacoma Intl Airport?

Prices for flights from Port of Spain Piarco Intl Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Port of Spain Piarco Intl Airport to Seattle/Tacoma Intl Airport?

The number of operators available for flights from Port of Spain Piarco Intl Airport to Seattle/Tacoma Intl Airport is 1 as of March 2026.

How old do you have to be to fly from Port of Spain Piarco Intl Airport to Seattle/Tacoma Intl Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Port of Spain Piarco Intl Airport to Seattle/Tacoma Intl Airport.

What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$304 Cheap Flights from Port of Spain to Seattle in 2026

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Find the cheapest flights from Port of Spain to Seattle

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:20 am - 9:35 am

POS

SEA

35h 15m

2 stops

3:40 pm - 12:20 am

SEA

POS

29h 40m

2 stops

$578Air Canada

Sun, Mar 15 - Mon, Mar 23

1:20 am - 10:16 pm

POS

SEA

23h 56m

1 stop

8:00 pm - 12:20 am

SEA

POS

25h 20m

2 stops

$583Air Canada

Sun, Mar 15 - Mon, Mar 23

1:25 am - 10:22 pm

POS

SEA

47h 57m

2 stops

7:20 pm - 12:15 am

SEA

POS

25h 55m

2 stops

$672Air Canada

Mon, Aug 3 - Tue, Aug 18

12:30 am - 11:34 am

POS

SEA

14h 04m

2 stops

5:00 am - 11:23 pm

SEA

POS

15h 23m

2 stops

$674United Airlines

Thu, Aug 27 - Wed, Sep 2

2:00 am - 2:16 pm

POS

SEA

15h 16m

1 stop

6:51 pm - 11:23 pm

SEA

POS

25h 32m

2 stops

$717United Airlines

Mon, Aug 3 - Tue, Aug 18

7:00 am - 11:59 pm

POS

SEA

19h 59m

1 stop

8:08 pm - 9:36 pm

SEA

POS

22h 28m

1 stop

$735American Airlines

Tue, Aug 4 - Tue, Aug 18

1:20 am - 9:35 am

POS

SEA

35h 15m

2 stops

8:00 pm - 8:10 pm

SEA

POS

21h 10m

3 stops

$803Multiple Airlines

Sun, Mar 15 - Mon, Mar 23

12:30 am - 7:25 pm

POS

SEA

21h 55m

1 stop

11:59 pm - 11:23 pm

SEA

POS

20h 24m

1 stop

$818United Airlines

Mon, Mar 16 - Tue, Mar 24

12:30 am - 8:58 pm

POS

SEA

23h 28m

2 stops

11:59 pm - 11:23 pm

SEA

POS

20h 24m

1 stop

$823United Airlines

Mon, Mar 16 - Tue, Mar 24

7:00 am - 11:42 pm

POS

SEA

19h 42m

1 stop

8:08 pm - 9:36 pm

SEA

POS

22h 28m

1 stop

$847American Airlines

Fri, Aug 7 - Mon, Aug 17

United Airlines flights from Port of Spain to Seattle

Our best United Airlines deals on Port of Spain to Seattle flight tickets

United Airlines

Aug 27

POS12:30 amPort of Spain Piarco Intl

15h 10m

1 stop

SEA12:40 pmSeattle/Tacoma Intl

Sep 2

SEA5:00 amSeattle/Tacoma Intl

15h 23m

2 stops

POS11:23 pmPort of Spain Piarco Intl

$674

United Airlines

Mar 16

POS12:30 amPort of Spain Piarco Intl

21h 55m

1 stop

SEA7:25 pmSeattle/Tacoma Intl

Mar 24

SEA11:59 pmSeattle/Tacoma Intl

20h 24m

1 stop

POS11:23 pmPort of Spain Piarco Intl

$818

United Airlines

Mar 16

POS12:30 amPort of Spain Piarco Intl

23h 28m

2 stops

SEA8:58 pmSeattle/Tacoma Intl

Mar 24

SEA11:59 pmSeattle/Tacoma Intl

20h 24m

1 stop

POS11:23 pmPort of Spain Piarco Intl

$823

American Airlines flights from Port of Spain to Seattle

Our best American Airlines deals on Port of Spain to Seattle flight tickets

American Airlines

Aug 7

POS7:00 amPort of Spain Piarco Intl

19h 42m

1 stop

SEA11:42 pmSeattle/Tacoma Intl

Aug 17

SEA8:08 pmSeattle/Tacoma Intl

22h 28m

1 stop

POS9:36 pmPort of Spain Piarco Intl

$847

American Airlines

Aug 7

POS7:00 amPort of Spain Piarco Intl

19h 42m

1 stop

SEA11:42 pmSeattle/Tacoma Intl

Aug 17

SEA11:30 pmSeattle/Tacoma Intl

13h 25m

2 stops

POS3:55 pmPort of Spain Piarco Intl

$852

American Airlines

Aug 7

POS7:00 amPort of Spain Piarco Intl

19h 42m

1 stop

SEA11:42 pmSeattle/Tacoma Intl

Aug 17

SEA8:08 pmSeattle/Tacoma Intl

22h 28m

1 stop

POS9:36 pmPort of Spain Piarco Intl

$870

Fly from

Fly to

Route

Depart

Return

Price

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sun 3/15

1:20 am-9:35 am

2 stops35h 15m

Seattle/Tacoma Intl

Mon 3/23

3:40 pm-12:20 am

2 stops29h 40m

$578

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sun 3/15

1:20 am-10:16 pm

1 stop23h 56m

Seattle/Tacoma Intl

Mon 3/23

8:00 pm-12:20 am

2 stops25h 20m

$583

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Mon 8/3

1:25 am-10:22 pm

2 stops47h 57m

Seattle/Tacoma Intl

Tue 8/18

7:20 pm-12:15 am

2 stops25h 55m

$672

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Thu 8/27

12:30 am-11:34 am

2 stops14h 04m

Seattle/Tacoma Intl

Wed 9/2

5:00 am-11:23 pm

2 stops15h 23m

$674

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Mon 8/3

2:00 am-2:16 pm

1 stop15h 16m

Seattle/Tacoma Intl

Tue 8/18

6:51 pm-11:23 pm

2 stops25h 32m

$717

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Tue 8/4

7:00 am-11:59 pm

1 stop19h 59m

Seattle/Tacoma Intl

Tue 8/18

8:08 pm-9:36 pm

1 stop22h 28m

$735

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sun 3/15

1:20 am-9:35 am

2 stops35h 15m

Seattle/Tacoma Intl

Mon 3/23

8:00 pm-8:10 pm

3 stops21h 10m

$803

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Mon 3/16

12:30 am-7:25 pm

1 stop21h 55m

Seattle/Tacoma Intl

Tue 3/24

11:59 pm-11:23 pm

1 stop20h 24m

$818

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Mon 3/16

12:30 am-8:58 pm

2 stops23h 28m

Seattle/Tacoma Intl

Tue 3/24

11:59 pm-11:23 pm

1 stop20h 24m

$823

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Fri 8/7

7:00 am-11:42 pm

1 stop19h 42m

Seattle/Tacoma Intl

Mon 8/17

8:08 pm-9:36 pm

1 stop22h 28m

$847

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Port of Spain to Seattle

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Port of Spain Piarco Intl to Seattle/Tacoma Intl?

Air Canada and United Airlines are the most popular carriers operating from Port of Spain Piarco Intl to Seattle/Tacoma Intl

When to book flights from Port of Spain to Seattle

Are you open to changing your travel dates? Check out the ideal times to fly from Port of Spain to Seattle according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Port of Spain to Seattle (POS to SEA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Port of Spain to Seattle

Fastest flight time	21h 03m
Direct flights	None

The fastest flight from Port of Spain to Seattle takes 21h 03m

There are no direct flights from Port of Spain to Seattle. There are no popular flight routes from Port of Spain to Seattle.

Search flight deals

How far is Port of Spain Piarco Intl to Seattle/Tacoma Intl by plane?
A flight from Port of Spain Piarco Intl to Seattle/Tacoma Intl will travel around 4325.1 mi. By plane, this route typically takes 21h 03m.
When did momondo last update prices for flights from Port of Spain Piarco Intl Airport to Seattle/Tacoma Intl Airport?
Prices for flights from Port of Spain Piarco Intl Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Port of Spain Piarco Intl Airport to Seattle/Tacoma Intl Airport?
The number of operators available for flights from Port of Spain Piarco Intl Airport to Seattle/Tacoma Intl Airport is 1 as of March 2026.
How old do you have to be to fly from Port of Spain Piarco Intl Airport to Seattle/Tacoma Intl Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Port of Spain Piarco Intl Airport to Seattle/Tacoma Intl Airport.
What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?
The required travel and health documents for your Seattle/Tacoma Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Seattle/Tacoma Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Port of Spain to Seattle?
Based on momondo bookings for flights between Port of Spain and Seattle, the leading airline is United Airlines, making up 100% of the total bookings.

Best airlines flying from Port of Spain to Seattle

Compare and see reviews for airlines that fly from Port of Spain to Seattle with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $631	Free Cancellation	Rating 7.4 9,382 reviews		Search United Airlines flights

Tacoma

Leavenworth

SeaTac

Ocean Shores

Renton

Olympia

Lynnwood

Kent

Marysville

Redmond

Cle Elum

Puyallup

Lakewood

Tukwila

Federal Way

Fife

Westport

Kirkland

Centralia

Tumwater

Why use momondo?

Why should I use momondo to find a flight deal from Port of Spain to Seattle?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Seattle from Port of Spain.

Can I find flights from Port of Spain to Seattle with flexible booking policies on momondo?

momondo does allow users to show only those flights to Seattle from Port of Spain which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Port of Spain to Seattle?

momondo helps you find the best flight between Port of Spain and Seattle by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Port of Spain to Seattle right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Port of Spain to Seattle flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.