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

United Airlines is the most popular carrier operating from Seattle/Tacoma Intl to Port of Spain Piarco Intl

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

Prices for flights from Seattle/Tacoma Intl Airport to Port of Spain Piarco Intl Airport were last updated today.

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

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

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Port of Spain Piarco Intl Airport.

What documentation or ID do you need to fly to Port of Spain Piarco Intl Airport?

The travel and health documents you'll need for your trip to Port of Spain Piarco Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Port of Spain Piarco Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$493 Cheap Flights from Seattle to Port of Spain in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Port of Spain

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:19 pm - 2:32 pmSEA Seattle/Tacoma Intl-POS Port of Spain Piarco Intl

17h 13m2 stops Phoenix Sky Harbor Intl Miami

3:47 pm - 1:15 pmPOS Port of Spain Piarco Intl-SEA Seattle/Tacoma Intl

24h 28m2 stops Miami Dallas/Fort Worth

$815American Airlines

Thu, May 6 - Mon, May 17

10:16 pm - 2:32 pmSEA Seattle/Tacoma Intl-POS Port of Spain Piarco Intl

13h 16m1 stop Miami

3:47 pm - 10:41 amPOS Port of Spain Piarco Intl-SEA Seattle/Tacoma Intl

21h 54m2 stops Miami Phoenix Sky Harbor Intl

$815American Airlines

Thu, May 6 - Mon, May 17

7:45 am - 1:00 amSEA Seattle/Tacoma Intl-POS Port of Spain Piarco Intl

13h 15m1 stop Toronto Pearson Intl

2:15 am - 9:32 amPOS Port of Spain Piarco Intl-SEA Seattle/Tacoma Intl

35h 17m2 stops Toronto Pearson Intl Vancouver Intl

$876Air Canada

Thu, Dec 31 - Fri, Jan 8

8:15 am - 12:15 amSEA Seattle/Tacoma Intl-POS Port of Spain Piarco Intl

13h 00m1 stop Toronto Pearson Intl

1:25 am - 8:53 pmPOS Port of Spain Piarco Intl-SEA Seattle/Tacoma Intl

22h 28m1 stop Toronto Pearson Intl

$883Air Canada

Thu, May 6 - Sun, May 16

7:45 am - 1:00 amSEA Seattle/Tacoma Intl-POS Port of Spain Piarco Intl

13h 15m1 stop Toronto Pearson Intl

2:15 am - 8:59 pmPOS Port of Spain Piarco Intl-SEA Seattle/Tacoma Intl

22h 44m1 stop Toronto Pearson Intl

$898Air Canada

Thu, Dec 31 - Fri, Jan 8

7:10 pm - 1:05 amSEA Seattle/Tacoma Intl-POS Port of Spain Piarco Intl

25h 55m2 stops Denver Intl Newark

1:25 am - 9:02 pmPOS Port of Spain Piarco Intl-SEA Seattle/Tacoma Intl

23h 37m3 stops Houston George Bush Intcntl Chicago O'Hare Intl Washington, D.C. Dulles Intl

$945United Airlines

Sun, Jan 3 - Mon, Jan 11

7:10 pm - 1:05 amSEA Seattle/Tacoma Intl-POS Port of Spain Piarco Intl

25h 55m2 stops Denver Intl Newark

1:25 am - 4:50 pmPOS Port of Spain Piarco Intl-SEA Seattle/Tacoma Intl

19h 25m2 stops Houston George Bush Intcntl San Francisco

$945United Airlines

Sun, Jan 3 - Mon, Jan 11

11:44 pm - 1:05 amSEA Seattle/Tacoma Intl-POS Port of Spain Piarco Intl

21h 21m2 stops Chicago O'Hare Intl Newark

1:25 am - 1:13 pmPOS Port of Spain Piarco Intl-SEA Seattle/Tacoma Intl

15h 48m1 stop Houston George Bush Intcntl

$945United Airlines

Sun, Jan 3 - Mon, Jan 11

7:45 am - 1:00 amSEA Seattle/Tacoma Intl-POS Port of Spain Piarco Intl

13h 15m1 stop Toronto Pearson Intl

2:15 am - 9:32 amPOS Port of Spain Piarco Intl-SEA Seattle/Tacoma Intl

35h 17m2 stops Toronto Pearson Intl Vancouver Intl

$957Air Canada

Thu, Dec 31 - Fri, Jan 8

7:45 am - 1:00 amSEA Seattle/Tacoma Intl-POS Port of Spain Piarco Intl

13h 15m1 stop Toronto Pearson Intl

2:15 am - 8:59 pmPOS Port of Spain Piarco Intl-SEA Seattle/Tacoma Intl

22h 44m1 stop Toronto Pearson Intl

$974Air Canada

Thu, Dec 31 - Fri, Jan 8

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United Airlines flights from Seattle to Port of Spain

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

United Airlines

Jan 3

SEA11:44 pmSeattle/Tacoma Intl

21h 21m

2 stops

POS1:05 amPort of Spain Piarco Intl

Jan 11

POS1:25 amPort of Spain Piarco Intl

15h 48m

1 stop

SEA1:13 pmSeattle/Tacoma Intl

$945

United Airlines

Nov 25

SEA7:05 amSeattle/Tacoma Intl

13h 13m

1 stop

POS12:18 amPort of Spain Piarco Intl

Dec 1

POS1:25 amPort of Spain Piarco Intl

22h 07m

1 stop

SEA7:32 pmSeattle/Tacoma Intl

$985

United Airlines

Nov 25

SEA7:05 amSeattle/Tacoma Intl

13h 13m

1 stop

POS12:18 amPort of Spain Piarco Intl

Dec 1

POS1:25 amPort of Spain Piarco Intl

23h 22m

2 stops

SEA8:47 pmSeattle/Tacoma Intl

$990

American Airlines flights from Seattle to Port of Spain

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

American Airlines

May 6

SEA10:16 pmSeattle/Tacoma Intl

13h 16m

1 stop

POS2:32 pmPort of Spain Piarco Intl

May 17

POS3:47 pmPort of Spain Piarco Intl

21h 54m

2 stops

SEA10:41 amSeattle/Tacoma Intl

$815

American Airlines

Apr 26

SEA11:41 amSeattle/Tacoma Intl

23h 51m

2 stops

POS2:32 pmPort of Spain Piarco Intl

May 13

POS3:47 pmPort of Spain Piarco Intl

24h 09m

2 stops

SEA12:56 pmSeattle/Tacoma Intl

$1,323

American Airlines

Apr 19

SEA11:16 amSeattle/Tacoma Intl

24h 16m

2 stops

POS2:32 pmPort of Spain Piarco Intl

May 7

POS3:47 pmPort of Spain Piarco Intl

22h 04m

2 stops

SEA10:51 amSeattle/Tacoma Intl

$1,333

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePort of Spain

SEA Seattle/Tacoma Intl - POS Port of Spain Piarco Intl

SEAPOS

Seattle/Tacoma Intl

Thu 5/6

6:19 pm-2:32 pm

2 stops17h 13m

Port of Spain Piarco Intl

Mon 5/17

3:47 pm-1:15 pm

2 stops24h 28m

$815

Quickest round-trip

SeattlePort of Spain

SEA Seattle/Tacoma Intl - POS Port of Spain Piarco Intl

SEAPOS

Seattle/Tacoma Intl

Thu 5/6

10:16 pm-2:32 pm

1 stop13h 16m

Port of Spain Piarco Intl

Mon 5/17

3:47 pm-10:41 am

2 stops21h 54m

$815

SeattlePort of Spain

SEA Seattle/Tacoma Intl - POS Port of Spain Piarco Intl

SEAPOS

Seattle/Tacoma Intl

Thu 12/31

7:45 am-1:00 am

1 stop13h 15m

Port of Spain Piarco Intl

Fri 1/8

2:15 am-9:32 am

2 stops35h 17m

$876

SeattlePort of Spain

SEA Seattle/Tacoma Intl - POS Port of Spain Piarco Intl

SEAPOS

Seattle/Tacoma Intl

Thu 5/6

8:15 am-12:15 am

1 stop13h 00m

Port of Spain Piarco Intl

Sun 5/16

1:25 am-8:53 pm

1 stop22h 28m

$883

SeattlePort of Spain

SEA Seattle/Tacoma Intl - POS Port of Spain Piarco Intl

SEAPOS

Seattle/Tacoma Intl

Thu 12/31

7:45 am-1:00 am

1 stop13h 15m

Port of Spain Piarco Intl

Fri 1/8

2:15 am-8:59 pm

1 stop22h 44m

$898

SeattlePort of Spain

SEA Seattle/Tacoma Intl - POS Port of Spain Piarco Intl

SEAPOS

Seattle/Tacoma Intl

Sun 1/3

7:10 pm-1:05 am

2 stops25h 55m

Port of Spain Piarco Intl

Mon 1/11

1:25 am-9:02 pm

3 stops23h 37m

$945

SeattlePort of Spain

SEA Seattle/Tacoma Intl - POS Port of Spain Piarco Intl

SEAPOS

Seattle/Tacoma Intl

Sun 1/3

7:10 pm-1:05 am

2 stops25h 55m

Port of Spain Piarco Intl

Mon 1/11

1:25 am-4:50 pm

2 stops19h 25m

$945

SeattlePort of Spain

SEA Seattle/Tacoma Intl - POS Port of Spain Piarco Intl

SEAPOS

Seattle/Tacoma Intl

Sun 1/3

11:44 pm-1:05 am

2 stops21h 21m

Port of Spain Piarco Intl

Mon 1/11

1:25 am-1:13 pm

1 stop15h 48m

$945

SeattlePort of Spain

SEA Seattle/Tacoma Intl - POS Port of Spain Piarco Intl

SEAPOS

Seattle/Tacoma Intl

Thu 12/31

7:45 am-1:00 am

1 stop13h 15m

Port of Spain Piarco Intl

Fri 1/8

2:15 am-9:32 am

2 stops35h 17m

$957

SeattlePort of Spain

SEA Seattle/Tacoma Intl - POS Port of Spain Piarco Intl

SEAPOS

Seattle/Tacoma Intl

Thu 12/31

7:45 am-1:00 am

1 stop13h 15m

Port of Spain Piarco Intl

Fri 1/8

2:15 am-8:59 pm

1 stop22h 44m

$974

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

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

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

Prices

Airlines

What is the cheapest month to fly to Port of Spain?

The month of September is, on average, the cheapest month to fly to Port of Spain from Seattle, with most prices found around $528. If you’re not able to fly to Port of Spain in September, then April is your next best option. Flight prices from Seattle to Port of Spain during April average around $603.

Can stopping save me money on Seattle to Port of Spain flights?

You could potentially save up to 47% on your flight if you consider stops on a Seattle to Port of Spain flight.

When to book flights from Seattle to Port of Spain

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

Estimated round-trip price

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

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

Best Price Found	$493
Fastest flight time	13h 15m
Direct flights	None

The best one-way flight to Port of Spain from Seattle in the past 72 hours is $493. The best round-trip flight deal from Seattle to Port of Spain found on momondo in the last 72 hours is $815.

The fastest flight from Seattle to Port of Spain takes 13h 15m

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

Search flight deals

Frequently asked questions about flying from Seattle to Port of Spain

How far is Seattle/Tacoma Intl to Port of Spain Piarco Intl by plane?
A flight from Seattle/Tacoma Intl to Port of Spain Piarco Intl will travel around 4325.1 mi. Typically, this will take 13h 15m by plane in normal conditions.
When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Port of Spain Piarco Intl Airport?
Prices for flights from Seattle/Tacoma Intl Airport to Port of Spain Piarco Intl Airport were last updated today.
How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Port of Spain Piarco Intl Airport?
The number of operators available for flights from Seattle/Tacoma Intl Airport to Port of Spain Piarco Intl Airport is 1 as of November 2026.
How old do you have to be to fly from Seattle/Tacoma Intl Airport to Port of Spain Piarco Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Port of Spain Piarco Intl Airport.
What documentation or ID do you need to fly to Port of Spain Piarco Intl Airport?
The travel and health documents you'll need for your trip to Port of Spain Piarco Intl Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Port of Spain Piarco Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Seattle to Port of Spain?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Seattle to Port of Spain is United Airlines (100% of total bookings).

Best airlines flying from Seattle to Port of Spain

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

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $413	Free Cancellation	Rating 7.3 10,469 reviews		Search United Airlines flights

Piarco

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Seattle to Port of Spain for you.

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

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

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

momondo provides multiple filters to help you find the best flight to Port of Spain from Seattle. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Port of Spain from Seattle. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Seattle to Port of Spain from $493

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Port of Spain departing on 12/6. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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United Airlines flights from Seattle to Port of Spain

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

What is the cheapest month to fly to Port of Spain?

Can stopping save me money on Seattle to Port of Spain flights?

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

When to book flights from Seattle to Port of Spain

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

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Seattle to Port of Spain

Best airlines flying from Seattle to Port of Spain

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

Traveling to a place near Port of Spain?

Why use momondo?

An easier way to manage your Port of Spain trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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Airports servicing Trinidad and Tobago

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Airlines are sorted and displayed according to clicks in the past 7 days on momondo

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List of cabin classes available on flights landing in Port of Spain. Availability may vary depending on flight origin and airline.

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