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Cheap flights from Port of Spain to Seattle from $516

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 2/26. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
1:30 am - 1:24 pmPOS-SEA
15h 54m1 stop
United Airlines Logo
6:45 am - 12:23 amSEA-POS
13h 38m1 stop
$516United Airlines
Find Deal
jue., feb. 26 - mar., mar. 3
United Airlines Logo
12:30 am - 11:22 pmPOS-SEA
25h 52m2 stops
United Airlines Logo
7:03 am - 11:23 pmSEA-POS
13h 20m1 stop
$520United Airlines
Find Deal
lun., mar. 16 - mar., mar. 24
American Airlines Logo
3:34 pm - 10:31 amPOS-SEA
21h 57m2 stops
American Airlines Logo
10:52 pm - 1:51 pmSEA-POS
11h 59m1 stop
$763American Airlines
Find Deal
mar., mar. 17 - mar., mar. 24
American Airlines Logo
4:47 pm - 11:01 amPOS-SEA
22h 14m2 stops
American Airlines Logo
6:00 am - 3:30 pmSEA-POS
29h 30m2 stops
$847American Airlines
Find Deal
vie., feb. 27 - mar., mar. 3
American Airlines Logo
4:47 pm - 11:01 amPOS-SEA
22h 14m2 stops
American Airlines Logo
10:06 pm - 3:30 pmSEA-POS
13h 24m1 stop
$960American Airlines
Find Deal
vie., feb. 27 - mar., mar. 3
Multiple Airlines Logo
7:35 pm - 11:22 amPOS-SEA
19h 47m1 stop
Multiple Airlines Logo
11:34 pm - 9:15 pmSEA-POS
17h 41m1 stop
$1,368Multiple Airlines
Find Deal
dom., ene. 4 - lun., ene. 5
Multiple Airlines Logo
10:40 am - 10:40 amPOS-SEA
28h 00m1 stop
Multiple Airlines Logo
11:15 pm - 6:55 pmSEA-POS
39h 40m2 stops
$1,417Multiple Airlines
Find Deal
dom., ene. 4 - lun., ene. 5
United Airlines Logo
1:30 am - 12:34 amPOS-SEA
27h 04m1 stop
United Airlines Logo
6:45 am - 12:23 amSEA-POS
13h 38m1 stop
$1,436United Airlines
Find Deal
sáb., ene. 3 - lun., ene. 5
Multiple Airlines Logo
12:10 am - 5:12 pmPOS-SEA
21h 02m2 stops
Multiple Airlines Logo
11:55 am - 1:20 amSEA-POS
33h 25m3 stops
$2,093Multiple Airlines
Find Deal
sáb., ene. 3 - lun., ene. 5
Multiple Airlines Logo
10:10 am - 2:20 pmPOS-SEA
32h 10m3 stops
Multiple Airlines Logo
8:00 pm - 1:20 amSEA-POS
25h 20m3 stops
$2,185Multiple Airlines
Find Deal
dom., ene. 4 - lun., ene. 5

American Airlines flights from Port of Spain to Seattle

Our best American Airlines deals on Port of Spain to Seattle flight tickets
American Airlines
Mar 17
POS3:34 pmPort of Spain Piarco Intl
21h 57m
2 stops
SEA10:31 amSeattle/Tacoma Intl
Mar 24
SEA10:52 pmSeattle/Tacoma Intl
11h 59m
1 stop
POS1:51 pmPort of Spain Piarco Intl
$763
Find similar
American Airlines
Feb 27
POS4:47 pmPort of Spain Piarco Intl
22h 14m
2 stops
SEA11:01 amSeattle/Tacoma Intl
Mar 3
SEA6:00 amSeattle/Tacoma Intl
29h 30m
2 stops
POS3:30 pmPort of Spain Piarco Intl
$847
Find similar
American Airlines
Feb 27
POS4:47 pmPort of Spain Piarco Intl
22h 14m
2 stops
SEA11:01 amSeattle/Tacoma Intl
Mar 3
SEA10:06 pmSeattle/Tacoma Intl
13h 24m
1 stop
POS3:30 pmPort of Spain Piarco Intl
$960
Find similar

United Airlines flights from Port of Spain to Seattle

Our best United Airlines deals on Port of Spain to Seattle flight tickets
United Airlines
Feb 26
POS1:30 amPort of Spain Piarco Intl
20h 33m
2 stops
SEA6:03 pmSeattle/Tacoma Intl
Mar 3
SEA6:45 amSeattle/Tacoma Intl
13h 38m
1 stop
POS12:23 amPort of Spain Piarco Intl
$516
Find similar
United Airlines
Mar 16
POS12:30 amPort of Spain Piarco Intl
20h 39m
2 stops
SEA6:09 pmSeattle/Tacoma Intl
Mar 24
SEA7:03 amSeattle/Tacoma Intl
13h 20m
1 stop
POS11:23 pmPort of Spain Piarco Intl
$520
Find similar
United Airlines
Jan 3
POS1:30 amPort of Spain Piarco Intl
27h 04m
1 stop
SEA12:34 amSeattle/Tacoma Intl
Jan 5
SEA1:35 pmSeattle/Tacoma Intl
30h 48m
3 stops
POS12:23 amPort of Spain Piarco Intl
$1,436
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 noviembre 13, 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

jue. 2/26

1:30 am-1:24 pm

1 stop15h 54m

Seattle/Tacoma Intl

mar. 3/3

6:45 am-12:23 am

1 stop13h 38m

$516

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

lun. 3/16

12:30 am-11:22 pm

2 stops25h 52m

Seattle/Tacoma Intl

mar. 3/24

7:03 am-11:23 pm

1 stop13h 20m

$520

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

mar. 3/17

3:34 pm-10:31 am

2 stops21h 57m

Seattle/Tacoma Intl

mar. 3/24

10:52 pm-1:51 pm

1 stop11h 59m

$763

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

vie. 2/27

4:47 pm-11:01 am

2 stops22h 14m

Seattle/Tacoma Intl

mar. 3/3

6:00 am-3:30 pm

2 stops29h 30m

$847

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

vie. 2/27

4:47 pm-11:01 am

2 stops22h 14m

Seattle/Tacoma Intl

mar. 3/3

10:06 pm-3:30 pm

1 stop13h 24m

$960

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

dom. 1/4

7:35 pm-11:22 am

1 stop19h 47m

Seattle/Tacoma Intl

lun. 1/5

11:34 pm-9:15 pm

1 stop17h 41m

$1,368

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

dom. 1/4

10:40 am-10:40 am

1 stop28h 00m

Seattle/Tacoma Intl

lun. 1/5

11:15 pm-6:55 pm

2 stops39h 40m

$1,417

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

sáb. 1/3

1:30 am-12:34 am

1 stop27h 04m

Seattle/Tacoma Intl

lun. 1/5

6:45 am-12:23 am

1 stop13h 38m

$1,436

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

sáb. 1/3

12:10 am-5:12 pm

2 stops21h 02m

Seattle/Tacoma Intl

lun. 1/5

11:55 am-1:20 am

3 stops33h 25m

$2,093

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

dom. 1/4

10:10 am-2:20 pm

3 stops32h 10m

Seattle/Tacoma Intl

lun. 1/5

8:00 pm-1:20 am

3 stops25h 20m

$2,185

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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 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 42% 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

Direct flights

None
There are no direct flights from Port of Spain to Seattle. There are no popular flight routes from Port of Spain to Seattle.
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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 14h 04m.

  • 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
9,017 reviews
Search United Airlines flights

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Puyallup
Marysville
Redmond
Tukwila
Lakewood
Federal Way
Fife
Cle Elum
Centralia
Kirkland
Westport
Shoreline

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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