Cheap flights from Seattle to Port of Spain from $490

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 12/16. 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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Cheap round-trip flights

United Airlines Logo
11:58 pm - 11:23 pmSEA-POS
20h 25m1 stop
United Airlines Logo
12:30 am - 12:46 pmPOS-SEA
15h 16m1 stop
$524United Airlines
Find Deal
Sun, Sep 14 - Sat, Sep 20
American Airlines Logo
12:34 am - 9:20 pmSEA-POS
17h 46m2 stops
American Airlines Logo
7:00 am - 11:35 pmPOS-SEA
19h 35m1 stop
$529American Airlines
Find Deal
Mon, Oct 20 - Sat, Nov 1
American Airlines Logo
8:51 pm - 2:16 pmSEA-POS
14h 25m1 stop
American Airlines Logo
3:25 pm - 12:12 pmPOS-SEA
23h 47m2 stops
$534American Airlines
Find Deal
Sun, Sep 14 - Sun, Sep 21
American Airlines Logo
8:49 pm - 9:20 pmSEA-POS
21h 31m1 stop
American Airlines Logo
7:00 am - 11:35 pmPOS-SEA
19h 35m1 stop
$539American Airlines
Find Deal
Tue, Oct 21 - Sat, Nov 1
American Airlines Logo
8:49 pm - 2:25 pmSEA-POS
14h 36m1 stop
American Airlines Logo
7:00 am - 11:35 pmPOS-SEA
19h 35m1 stop
$544American Airlines
Find Deal
Mon, Oct 6 - Fri, Oct 10
American Airlines Logo
8:49 pm - 2:25 pmSEA-POS
14h 36m1 stop
American Airlines Logo
7:00 am - 10:53 pmPOS-SEA
18h 53m2 stops
$549American Airlines
Find Deal
Mon, Oct 6 - Fri, Oct 10
United Airlines Logo
11:10 pm - 11:23 pmSEA-POS
21h 13m1 stop
United Airlines Logo
12:30 am - 9:23 pmPOS-SEA
23h 53m1 stop
$566United Airlines
Find Deal
Mon, Oct 6 - Thu, Oct 9
United Airlines Logo
5:31 pm - 11:23 pmSEA-POS
26h 52m2 stops
United Airlines Logo
12:30 am - 9:23 pmPOS-SEA
23h 53m1 stop
$571United Airlines
Find Deal
Mon, Oct 6 - Thu, Oct 9
Air Canada Logo
8:15 am - 1:10 amSEA-POS
12h 55m1 stop
Air Canada Logo
2:15 am - 9:56 pmPOS-SEA
23h 41m1 stop
$717Air Canada
Find Deal
Sun, Jan 11 - Sun, Jan 18
Copa Airlines Logo
5:05 pm - 1:48 amSEA-POS
28h 43m2 stops
Copa Airlines Logo
3:40 am - 10:18 pmPOS-SEA
22h 38m2 stops
$1,258Copa Airlines
Find Deal
Fri, Dec 19 - Fri, Jan 16

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 14
SEA11:58 pmSeattle/Tacoma Intl
20h 25m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Sep 20
POS12:30 amPort of Spain Piarco Intl
15h 16m
1 stop
SEA12:46 pmSeattle/Tacoma Intl
United Airlines
Oct 6
SEA11:10 pmSeattle/Tacoma Intl
21h 13m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Oct 9
POS12:30 amPort of Spain Piarco Intl
23h 53m
1 stop
SEA9:23 pmSeattle/Tacoma Intl
United Airlines
Oct 6
SEA5:31 pmSeattle/Tacoma Intl
26h 52m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Oct 9
POS12:30 amPort of Spain Piarco Intl
23h 53m
1 stop
SEA9:23 pmSeattle/Tacoma Intl

American Airlines flights from Seattle to Port of Spain

Our best American Airlines deals on Seattle to Port of Spain flight tickets
American Airlines
Oct 20
SEA12:34 amSeattle/Tacoma Intl
17h 46m
2 stops
POS9:20 pmPort of Spain Piarco Intl
Nov 1
POS7:00 amPort of Spain Piarco Intl
19h 35m
1 stop
SEA11:35 pmSeattle/Tacoma Intl
American Airlines
Sep 14
SEA8:51 pmSeattle/Tacoma Intl
14h 25m
1 stop
POS2:16 pmPort of Spain Piarco Intl
Sep 21
POS3:25 pmPort of Spain Piarco Intl
23h 47m
2 stops
SEA12:12 pmSeattle/Tacoma Intl
American Airlines
Oct 21
SEA8:49 pmSeattle/Tacoma Intl
21h 31m
1 stop
POS9:20 pmPort of Spain Piarco Intl
Nov 1
POS7:00 amPort of Spain Piarco Intl
19h 35m
1 stop
SEA11:35 pmSeattle/Tacoma Intl

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 August 2, 2025.
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

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 9/14

11:58 pm-11:23 pm

1 stop20h 25m

Port of Spain Piarco Intl

Sat 9/20

12:30 am-12:46 pm

1 stop15h 16m

$524

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 10/20

12:34 am-9:20 pm

2 stops17h 46m

Port of Spain Piarco Intl

Sat 11/1

7:00 am-11:35 pm

1 stop19h 35m

$529

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 9/14

8:51 pm-2:16 pm

1 stop14h 25m

Port of Spain Piarco Intl

Sun 9/21

3:25 pm-12:12 pm

2 stops23h 47m

$534

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 10/21

8:49 pm-9:20 pm

1 stop21h 31m

Port of Spain Piarco Intl

Sat 11/1

7:00 am-11:35 pm

1 stop19h 35m

$539

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 10/6

8:49 pm-2:25 pm

1 stop14h 36m

Port of Spain Piarco Intl

Fri 10/10

7:00 am-11:35 pm

1 stop19h 35m

$544

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 10/6

8:49 pm-2:25 pm

1 stop14h 36m

Port of Spain Piarco Intl

Fri 10/10

7:00 am-10:53 pm

2 stops18h 53m

$549

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 10/6

11:10 pm-11:23 pm

1 stop21h 13m

Port of Spain Piarco Intl

Thu 10/9

12:30 am-9:23 pm

1 stop23h 53m

$566

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 10/6

5:31 pm-11:23 pm

2 stops26h 52m

Port of Spain Piarco Intl

Thu 10/9

12:30 am-9:23 pm

1 stop23h 53m

$571

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

8:15 am-1:10 am

1 stop12h 55m

Port of Spain Piarco Intl

Sun 1/18

2:15 am-9:56 pm

1 stop23h 41m

$717

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Fri 12/19

5:05 pm-1:48 am

2 stops28h 43m

Port of Spain Piarco Intl

Fri 1/16

3:40 am-10:18 pm

2 stops22h 38m

$1,258

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 resultsSorted by cheapest first
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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 $523. 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 $524.

What is the cheapest day to depart on your flight to Port of Spain?

The cheapest day to depart from Seattle to Port of Spain is on a Sunday when prices can be found for as low as $548. Flights from Seattle to Port of Spain on a Thursday will generally be more expensive and average around $892. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Port of Spain?

In the morning is the cheapest time of day to fly from Seattle to Port of Spain when you can find flight prices for as low as $651. Flying to Port of Spain in the morning is an ideal time because this is during off-peak travel hours. In the evening is when there is more demand to fly to Port of Spain, so prices are often more expensive at around $871 per ticket.

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

$490

Fastest flight time

11h 56m

Direct flights

None

Airports in Port of Spain

1 airport
The best one-way flight to Port of Spain from Seattle in the past 72 hours is $490. The best round-trip flight deal from Seattle to Port of Spain found on momondo in the last 72 hours is $524.
The fastest flight from Seattle to Port of Spain takes 11h 56m
There are no direct flights from Seattle to Port of Spain. Popular non-direct route for this connection is Seattle/Tacoma Intl Airport - Port of Spain Piarco Intl Airport.
There is 1 airport near Port of Spain: Port of Spain Piarco Intl (POS)

  • 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 12h 08m 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
American AirlinesPriceFrom $492Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
United AirlinesPriceFrom $493Free CancellationRating
7.4
8,904 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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