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Cheap flights from Port of Spain to Seattle from $572

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Port of Spain to Seattle departing on 10/9. 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
0 bags

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Find the cheapest flights from Port of Spain to Seattle (POS-SEA)

Cheap round-trip flights

United Airlines Logo
12:30 am - 9:23 pmPOS-SEA
23h 53m1 stop
United Airlines Logo
3:35 pm - 11:23 pmSEA-POS
28h 48m2 stops
$572United Airlines
Find Deal
Thu, Oct 9 - Wed, Oct 15
United Airlines Logo
12:30 am - 12:46 pmPOS-SEA
15h 16m1 stop
United Airlines Logo
11:58 pm - 11:23 pmSEA-POS
20h 25m1 stop
$574United Airlines
Find Deal
Wed, Sep 10 - Mon, Sep 22
United Airlines Logo
12:30 am - 5:31 pmPOS-SEA
20h 01m1 stop
United Airlines Logo
2:29 pm - 11:23 pmSEA-POS
29h 54m2 stops
$578United Airlines
Find Deal
Wed, Sep 10 - Mon, Sep 22
American Airlines Logo
7:00 am - 11:35 pmPOS-SEA
19h 35m1 stop
American Airlines Logo
8:49 pm - 2:25 pmSEA-POS
14h 36m1 stop
$579American Airlines
Find Deal
Sun, Oct 12 - Wed, Oct 15
American Airlines Logo
7:00 am - 11:35 pmPOS-SEA
19h 35m1 stop
American Airlines Logo
8:49 pm - 2:25 pmSEA-POS
14h 36m1 stop
$580American Airlines
Find Deal
Sun, Oct 12 - Wed, Oct 15
American Airlines Logo
7:00 am - 11:35 pmPOS-SEA
19h 35m1 stop
American Airlines Logo
11:49 pm - 9:20 pmSEA-POS
18h 31m2 stops
$584American Airlines
Find Deal
Sun, Oct 12 - Wed, Oct 15
United Airlines Logo
12:30 am - 1:28 pmPOS-SEA
39h 58m2 stops
United Airlines Logo
3:35 pm - 11:23 pmSEA-POS
28h 48m2 stops
$586United Airlines
Find Deal
Thu, Sep 18 - Tue, Sep 30
United Airlines Logo
12:30 am - 7:11 pmPOS-SEA
21h 41m1 stop
United Airlines Logo
7:00 am - 11:23 pmSEA-POS
13h 23m1 stop
$630United Airlines
Find Deal
Sat, Oct 11 - Wed, Oct 15
American Airlines Logo
7:00 am - 9:48 pmPOS-SEA
17h 48m2 stops
American Airlines Logo
12:34 am - 9:20 pmSEA-POS
17h 46m2 stops
$671American Airlines
Find Deal
Sat, Oct 11 - Mon, Oct 13
Logo
12:10 am - 2:39 pmPOS-SEA
17h 29m1 stop
Logo
8:30 am - 6:55 pmSEA-POS
31h 25m1 stop
$848
Find Deal
Fri, Oct 10 - Tue, Oct 14

United Airlines flights from Port of Spain to Seattle

Our best United Airlines deals on Port of Spain to Seattle flight tickets
United Airlines
Oct 9
POS12:30 amPort of Spain Piarco Intl
23h 53m
1 stop
SEA9:23 pmSeattle/Tacoma Intl
Oct 15
SEA3:35 pmSeattle/Tacoma Intl
28h 48m
2 stops
POS11:23 pmPort of Spain Piarco Intl
$572
Find similar
United Airlines
Sep 10
POS12:30 amPort of Spain Piarco Intl
15h 16m
1 stop
SEA12:46 pmSeattle/Tacoma Intl
Sep 22
SEA11:58 pmSeattle/Tacoma Intl
20h 25m
1 stop
POS11:23 pmPort of Spain Piarco Intl
$574
Find similar
United Airlines
Sep 10
POS12:30 amPort of Spain Piarco Intl
20h 01m
1 stop
SEA5:31 pmSeattle/Tacoma Intl
Sep 22
SEA2:29 pmSeattle/Tacoma Intl
29h 54m
2 stops
POS11:23 pmPort of Spain Piarco Intl
$578
Find similar

American Airlines flights from Port of Spain to Seattle

Our best American Airlines deals on Port of Spain to Seattle flight tickets
American Airlines
Oct 12
POS7:00 amPort of Spain Piarco Intl
19h 35m
1 stop
SEA11:35 pmSeattle/Tacoma Intl
Oct 15
SEA8:49 pmSeattle/Tacoma Intl
14h 36m
1 stop
POS2:25 pmPort of Spain Piarco Intl
$579
Find similar
American Airlines
Oct 12
POS7:00 amPort of Spain Piarco Intl
19h 35m
1 stop
SEA11:35 pmSeattle/Tacoma Intl
Oct 15
SEA8:49 pmSeattle/Tacoma Intl
14h 36m
1 stop
POS2:25 pmPort of Spain Piarco Intl
$580
Find similar
American Airlines
Oct 12
POS7:00 amPort of Spain Piarco Intl
19h 35m
1 stop
SEA11:35 pmSeattle/Tacoma Intl
Oct 15
SEA11:49 pmSeattle/Tacoma Intl
18h 31m
2 stops
POS9:20 pmPort of Spain Piarco Intl
$584
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Port of Spain to Seattle 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 12, 2025.
Use the filters below to find and compare flights from Port of Spain to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Thu 10/9

12:30 am-9:23 pm

1 stop23h 53m

Seattle/Tacoma Intl

Wed 10/15

3:35 pm-11:23 pm

2 stops28h 48m

$572

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Wed 9/10

12:30 am-12:46 pm

1 stop15h 16m

Seattle/Tacoma Intl

Mon 9/22

11:58 pm-11:23 pm

1 stop20h 25m

$574

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Wed 9/10

12:30 am-5:31 pm

1 stop20h 01m

Seattle/Tacoma Intl

Mon 9/22

2:29 pm-11:23 pm

2 stops29h 54m

$578

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sun 10/12

7:00 am-11:35 pm

1 stop19h 35m

Seattle/Tacoma Intl

Wed 10/15

8:49 pm-2:25 pm

1 stop14h 36m

$579

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sun 10/12

7:00 am-11:35 pm

1 stop19h 35m

Seattle/Tacoma Intl

Wed 10/15

8:49 pm-2:25 pm

1 stop14h 36m

$580

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sun 10/12

7:00 am-11:35 pm

1 stop19h 35m

Seattle/Tacoma Intl

Wed 10/15

11:49 pm-9:20 pm

2 stops18h 31m

$584

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Thu 9/18

12:30 am-1:28 pm

2 stops39h 58m

Seattle/Tacoma Intl

Tue 9/30

3:35 pm-11:23 pm

2 stops28h 48m

$586

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sat 10/11

12:30 am-7:11 pm

1 stop21h 41m

Seattle/Tacoma Intl

Wed 10/15

7:00 am-11:23 pm

1 stop13h 23m

$630

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sat 10/11

7:00 am-9:48 pm

2 stops17h 48m

Seattle/Tacoma Intl

Mon 10/13

12:34 am-9:20 pm

2 stops17h 46m

$671

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Fri 10/10

12:10 am-2:39 pm

1 stop17h 29m

Seattle/Tacoma Intl

Tue 10/14

8:30 am-6:55 pm

1 stop31h 25m

$848

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 15 resultsSorted by cheapest first
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See travel insights to Seattle from

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 month to fly to Seattle?

In general, February is the cheapest month to fly from Port of Spain to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $586. If you don’t want to visit Seattle in February, then you should wait until October to fly from Port of Spain, when ticket prices are also cheap, with an average price of $607.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Port of Spain is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $622. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Port of Spain because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $973.

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

Flying to Seattle from Port of Spain in the evening is the least expensive time of day to depart. momondo users have found prices as low as $718 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $981. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You could potentially save up to 32% on your flight if you consider stops on a Port of Spain to Seattle flight.

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

Best Price Found

$1,145

Fastest flight time

15h 16m

Direct flights

None

Airports in Seattle

1 airport
The best one-way flight to Seattle from Port of Spain in the past 72 hours is $1,145. The best round-trip flight deal from Port of Spain to Seattle found on momondo in the last 72 hours is $572.
The fastest flight from Port of Spain to Seattle takes 15h 16m
There are no direct flights from Port of Spain to Seattle. Popular non-direct route for this connection is Port of Spain Piarco Intl Airport - Seattle/Tacoma Intl Airport.
There is 1 airport near Seattle: Seattle/Tacoma Intl (SEA)
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  • 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 15h 16m.

  • 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?

  • 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?

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 AirlinesPriceFrom $617Free CancellationRating
7.4
8,920 reviews
Search United Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Leavenworth
Tacoma
SeaTac
Ocean Shores
Olympia
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Federal Way
Lynnwood
Puyallup
Marysville
Tukwila
Kirkland
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Westport
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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.

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