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Cheap flights from Seattle to Port of Spain from $357

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 7/4. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Port of Spain

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
7:00 am - 11:23 pm
SEA
-
POS
13h 23m
1 stop
United Airlines Logo
12:30 am - 2:22 pm
POS
-
SEA
16h 52m
2 stops
$688United Airlines
Wed, Sep 23 - Sun, Sep 27
Air Canada Logo
3:00 pm - 12:15 am
SEA
-
POS
54h 15m
2 stops
Air Canada Logo
1:20 am - 10:42 pm
POS
-
SEA
24h 22m
2 stops
$695Air Canada
Wed, Sep 23 - Sun, Sep 27
United Airlines Logo
6:30 am - 11:23 pm
SEA
-
POS
13h 53m
2 stops
United Airlines Logo
12:30 am - 2:24 pm
POS
-
SEA
16h 54m
2 stops
$708United Airlines
Wed, Aug 12 - Sat, Aug 22
United Airlines Logo
7:00 am - 11:23 pm
SEA
-
POS
13h 23m
1 stop
United Airlines Logo
12:30 am - 2:24 pm
POS
-
SEA
16h 54m
2 stops
$709United Airlines
Mon, Aug 10 - Sun, Aug 16
American Airlines Logo
5:02 pm - 2:14 pm
SEA
-
POS
18h 12m
2 stops
American Airlines Logo
7:00 am - 11:21 pm
POS
-
SEA
19h 21m
2 stops
$733American Airlines
Mon, Aug 10 - Mon, Aug 17
United Airlines Logo
7:00 am - 11:23 pm
SEA
-
POS
13h 23m
1 stop
United Airlines Logo
12:30 am - 12:48 pm
POS
-
SEA
15h 18m
1 stop
$744United Airlines
Thu, Sep 17 - Sat, Sep 26
American Airlines Logo
10:08 pm - 3:16 pm
SEA
-
POS
13h 08m
1 stop
American Airlines Logo
4:28 pm - 12:47 pm
POS
-
SEA
24h 19m
2 stops
$787American Airlines
Sun, Nov 22 - Tue, Dec 1
JetBlue Logo
9:40 pm - 2:00 pm
SEA
-
POS
13h 20m
1 stop
JetBlue Logo
3:50 pm - 8:42 pm
POS
-
SEA
31h 52m
1 stop
$791JetBlue
Wed, Sep 23 - Mon, Sep 28
United Airlines Logo
11:59 pm - 11:23 pm
SEA
-
POS
20h 24m
1 stop
United Airlines Logo
12:30 am - 2:22 pm
POS
-
SEA
16h 52m
2 stops
$808United Airlines
Mon, Sep 28 - Wed, Sep 30
United Airlines Logo
11:13 pm - 11:23 pm
SEA
-
POS
21h 10m
2 stops
United Airlines Logo
12:30 am - 2:22 pm
POS
-
SEA
16h 52m
2 stops
$812United Airlines
Mon, Sep 28 - Wed, Sep 30

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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
Sep 23
SEA5:00 amSeattle/Tacoma Intl
15h 23m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Sep 27
POS12:30 amPort of Spain Piarco Intl
16h 52m
2 stops
SEA2:22 pmSeattle/Tacoma Intl
$688
United Airlines
Aug 12
SEA6:30 amSeattle/Tacoma Intl
13h 53m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Aug 22
POS12:30 amPort of Spain Piarco Intl
16h 54m
2 stops
SEA2:24 pmSeattle/Tacoma Intl
$708
United Airlines
Aug 10
SEA7:00 amSeattle/Tacoma Intl
13h 23m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Aug 16
POS12:30 amPort of Spain Piarco Intl
16h 54m
2 stops
SEA2:24 pmSeattle/Tacoma Intl
$709

American Airlines flights from Seattle to Port of Spain

Our best American Airlines deals on Seattle to Port of Spain flight tickets
American Airlines
Aug 10
SEA5:02 pmSeattle/Tacoma Intl
18h 12m
2 stops
POS2:14 pmPort of Spain Piarco Intl
Aug 17
POS7:00 amPort of Spain Piarco Intl
19h 21m
2 stops
SEA11:21 pmSeattle/Tacoma Intl
$733
American Airlines
Nov 22
SEA10:08 pmSeattle/Tacoma Intl
13h 08m
1 stop
POS3:16 pmPort of Spain Piarco Intl
Dec 1
POS4:28 pmPort of Spain Piarco Intl
24h 19m
2 stops
SEA12:47 pmSeattle/Tacoma Intl
$787

momondo 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, momondo users made 832,500 searches. Data last updated June 27, 2026.
Use the filters below to find and compare flights from Seattle to Port of Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 9/23

7:00 am-11:23 pm

1 stop13h 23m

Port of Spain Piarco Intl

Sun 9/27

12:30 am-2:22 pm

2 stops16h 52m

$688

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 9/23

3:00 pm-12:15 am

2 stops54h 15m

Port of Spain Piarco Intl

Sun 9/27

1:20 am-10:42 pm

2 stops24h 22m

$695

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 8/12

6:30 am-11:23 pm

2 stops13h 53m

Port of Spain Piarco Intl

Sat 8/22

12:30 am-2:24 pm

2 stops16h 54m

$708

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 8/10

7:00 am-11:23 pm

1 stop13h 23m

Port of Spain Piarco Intl

Sun 8/16

12:30 am-2:24 pm

2 stops16h 54m

$709

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 8/10

5:02 pm-2:14 pm

2 stops18h 12m

Port of Spain Piarco Intl

Mon 8/17

7:00 am-11:21 pm

2 stops19h 21m

$733
Quickest round-trip

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Thu 9/17

7:00 am-11:23 pm

1 stop13h 23m

Port of Spain Piarco Intl

Sat 9/26

12:30 am-12:48 pm

1 stop15h 18m

$744

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 11/22

10:08 pm-3:16 pm

1 stop13h 08m

Port of Spain Piarco Intl

Tue 12/1

4:28 pm-12:47 pm

2 stops24h 19m

$787

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 9/23

9:40 pm-2:00 pm

1 stop13h 20m

Port of Spain Piarco Intl

Mon 9/28

3:50 pm-8:42 pm

1 stop31h 52m

$791

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 9/28

11:59 pm-11:23 pm

1 stop20h 24m

Port of Spain Piarco Intl

Wed 9/30

12:30 am-2:22 pm

2 stops16h 52m

$808

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 9/28

11:13 pm-11:23 pm

2 stops21h 10m

Port of Spain Piarco Intl

Wed 9/30

12:30 am-2:22 pm

2 stops16h 52m

$812

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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See travel insights to Port of Spain from

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

What is the typical price of a round-trip flight between Seattle and Port of Spain?

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

The month of October is, on average, the cheapest month to fly to Port of Spain from Seattle, with most prices found around $520. If you’re not able to fly to Port of Spain in October, then September is your next best option. Flight prices from Seattle to Port of Spain during September average around $528.

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

You could potentially save up to 60% 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

Fastest flight time

15h 25m

Direct flights

None
The fastest flight from Seattle to Port of Spain takes 15h 25m
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 15h 25m 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?

  • 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?

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 AirlinesPriceFrom $413Free CancellationRating
7.4
9,896 reviews
Search United Airlines flights

Traveling to a place near Port of Spain?

Book flights to Port of Spain if you plan to visit one of these locations
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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