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Cheap flights from Seattle to Port of Spain from $397

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 2/8. 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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0 bags

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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 - 12:23 amSEA-POS
13h 23m1 stop
United Airlines Logo
1:30 am - 12:49 pmPOS-SEA
15h 19m1 stop
$473United Airlines
Find Deal
Mon, Jan 26 - Thu, Jan 29
American Airlines Logo
11:11 pm - 10:48 pmSEA-POS
19h 37m1 stop
American Airlines Logo
6:30 am - 10:20 pmPOS-SEA
19h 50m2 stops
$477American Airlines
Find Deal
Mon, Jan 26 - Fri, Jan 30
United Airlines Logo
7:30 pm - 12:23 amSEA-POS
24h 53m2 stops
United Airlines Logo
1:30 am - 12:59 amPOS-SEA
27h 29m2 stops
$587United Airlines
Find Deal
Sun, Jan 11 - Sun, Jan 18
United Airlines Logo
7:10 am - 12:23 amSEA-POS
13h 13m1 stop
United Airlines Logo
1:30 am - 10:47 pmPOS-SEA
25h 17m1 stop
$595United Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
American Airlines Logo
11:11 pm - 3:25 pmSEA-POS
12h 14m1 stop
American Airlines Logo
6:30 am - 11:42 pmPOS-SEA
21h 12m1 stop
$601American Airlines
Find Deal
Sun, Jan 11 - Mon, Jan 19
American Airlines Logo
11:12 pm - 10:48 pmSEA-POS
19h 36m2 stops
American Airlines Logo
6:30 am - 11:42 pmPOS-SEA
21h 12m1 stop
$605American Airlines
Find Deal
Sun, Jan 11 - Mon, Jan 19
American Airlines Logo
10:08 pm - 11:59 pmSEA-POS
21h 51m1 stop
American Airlines Logo
7:10 am - 11:16 pmPOS-SEA
20h 06m1 stop
$614American Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
American Airlines Logo
10:08 pm - 11:59 pmSEA-POS
21h 51m1 stop
American Airlines Logo
7:10 am - 11:25 pmPOS-SEA
20h 15m2 stops
$619American Airlines
Find Deal
Mon, Dec 8 - Sat, Dec 13
United Airlines Logo
7:00 am - 12:23 amSEA-POS
13h 23m1 stop
United Airlines Logo
1:30 am - 12:49 pmPOS-SEA
15h 19m1 stop
$624United Airlines
Find Deal
Sun, Jan 11 - Sun, Jan 18
Multiple Airlines Logo
8:00 pm - 1:20 amSEA-POS
25h 20m2 stops
Multiple Airlines Logo
3:55 pm - 2:31 pmPOS-SEA
26h 36m3 stops
$897Multiple Airlines
Find Deal
Mon, Jan 26 - Fri, Jan 30

American Airlines flights from Seattle to Port of Spain

Our best American Airlines deals on Seattle to Port of Spain flight tickets
American Airlines
Jan 26
SEA11:11 pmSeattle/Tacoma Intl
19h 37m
1 stop
POS10:48 pmPort of Spain Piarco Intl
Jan 30
POS6:30 amPort of Spain Piarco Intl
19h 50m
2 stops
SEA10:20 pmSeattle/Tacoma Intl
$477
Find similar
American Airlines
Jan 11
SEA11:11 pmSeattle/Tacoma Intl
12h 14m
1 stop
POS3:25 pmPort of Spain Piarco Intl
Jan 19
POS6:30 amPort of Spain Piarco Intl
21h 12m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
$601
Find similar
American Airlines
Jan 11
SEA11:12 pmSeattle/Tacoma Intl
19h 36m
2 stops
POS10:48 pmPort of Spain Piarco Intl
Jan 19
POS6:30 amPort of Spain Piarco Intl
21h 12m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
$605
Find similar

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 26
SEA7:00 amSeattle/Tacoma Intl
13h 23m
1 stop
POS12:23 amPort of Spain Piarco Intl
Jan 29
POS1:30 amPort of Spain Piarco Intl
15h 19m
1 stop
SEA12:49 pmSeattle/Tacoma Intl
$473
Find similar
United Airlines
Jan 11
SEA7:30 pmSeattle/Tacoma Intl
24h 53m
2 stops
POS12:23 amPort of Spain Piarco Intl
Jan 18
POS1:30 amPort of Spain Piarco Intl
27h 29m
2 stops
SEA12:59 amSeattle/Tacoma Intl
$587
Find similar
United Airlines
Dec 8
SEA7:10 amSeattle/Tacoma Intl
13h 13m
1 stop
POS12:23 amPort of Spain Piarco Intl
Dec 12
POS1:30 amPort of Spain Piarco Intl
25h 17m
1 stop
SEA10:47 pmSeattle/Tacoma Intl
$595
Find similar

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 November 5, 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

Mon 1/26

7:00 am-12:23 am

1 stop13h 23m

Port of Spain Piarco Intl

Thu 1/29

1:30 am-12:49 pm

1 stop15h 19m

$473

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 1/26

11:11 pm-10:48 pm

1 stop19h 37m

Port of Spain Piarco Intl

Fri 1/30

6:30 am-10:20 pm

2 stops19h 50m

$477

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

7:30 pm-12:23 am

2 stops24h 53m

Port of Spain Piarco Intl

Sun 1/18

1:30 am-12:59 am

2 stops27h 29m

$587

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 12/8

7:10 am-12:23 am

1 stop13h 13m

Port of Spain Piarco Intl

Fri 12/12

1:30 am-10:47 pm

1 stop25h 17m

$595

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

11:11 pm-3:25 pm

1 stop12h 14m

Port of Spain Piarco Intl

Mon 1/19

6:30 am-11:42 pm

1 stop21h 12m

$601

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

11:12 pm-10:48 pm

2 stops19h 36m

Port of Spain Piarco Intl

Mon 1/19

6:30 am-11:42 pm

1 stop21h 12m

$605

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 12/8

10:08 pm-11:59 pm

1 stop21h 51m

Port of Spain Piarco Intl

Sat 12/13

7:10 am-11:16 pm

1 stop20h 06m

$614

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 12/8

10:08 pm-11:59 pm

1 stop21h 51m

Port of Spain Piarco Intl

Sat 12/13

7:10 am-11:25 pm

2 stops20h 15m

$619

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

7:00 am-12:23 am

1 stop13h 23m

Port of Spain Piarco Intl

Sun 1/18

1:30 am-12:49 pm

1 stop15h 19m

$624

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Mon 1/26

8:00 pm-1:20 am

2 stops25h 20m

Port of Spain Piarco Intl

Fri 1/30

3:55 pm-2:31 pm

3 stops26h 36m

$897

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 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 $541.

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.

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

You could potentially save up to 66% 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

Direct flights

None
There are no direct flights from Seattle to Port of Spain. There are no popular flight routes from Seattle to Port of Spain.
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  • 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 14m 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 $472Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights
United AirlinesPriceFrom $493Free CancellationRating
7.4
9,002 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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