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Cheap flights from Washington to Port of Spain from $524

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Washington to Port of Spain departing on 10/6. 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

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
$524American Airlines
Find Deal
Mon, Oct 6 - Fri, Oct 10
American Airlines Logo
12:34 am - 9:20 pmSEA-POS
17h 46m2 stops
American Airlines Logo
7:00 am - 10:18 pmPOS-SEA
18h 18m2 stops
$529American Airlines
Find Deal
Mon, Oct 20 - Tue, Oct 28
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
10:57 pm - 3:05 pmSEA-POS
12h 08m1 stop
American Airlines Logo
7:10 am - 11:27 pmPOS-SEA
20h 17m1 stop
$626American Airlines
Find Deal
Sun, Jan 11 - Mon, Jan 19
United Airlines Logo
11:10 pm - 11:23 pmSEA-POS
21h 13m1 stop
United Airlines Logo
12:30 am - 12:47 pmPOS-SEA
15h 17m1 stop
$634United Airlines
Find Deal
Tue, Oct 21 - Mon, Oct 27
United Airlines Logo
6:35 am - 11:23 pmSEA-POS
13h 48m2 stops
United Airlines Logo
12:30 am - 9:33 pmPOS-SEA
24h 03m2 stops
$639United Airlines
Find Deal
Tue, Oct 21 - Mon, Oct 27
Logo
7:00 am - 6:55 pmPDX-POS
31h 55m1 stop
Logo
9:10 am - 12:03 amPOS-PDX
18h 53m2 stops
$643
Find Deal
Thu, Jan 15 - Mon, Jan 19
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
$703Air Canada
Find Deal
Sun, Jan 11 - Sun, Jan 18
Logo
12:07 pm - 6:55 pmPDX-POS
27h 48m3 stops
Logo
10:10 am - 7:36 pmPOS-PDX
36h 26m3 stops
$716
Find Deal
Mon, Sep 29 - Mon, Oct 6
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
$1,322Air Canada
Find Deal
Tue, Dec 16 - Tue, Jan 6

American Airlines flights from State of Washington to Port of Spain

Our best American Airlines deals on State of Washington to Port of Spain flight tickets
American Airlines
Oct 6
SEA8:49 pmSeattle/Tacoma Intl
14h 36m
1 stop
POS2:25 pmPort of Spain Piarco Intl
Oct 10
POS7:00 amPort of Spain Piarco Intl
19h 35m
1 stop
SEA11:35 pmSeattle/Tacoma Intl
$524
Find similar
American Airlines
Oct 20
SEA12:34 amSeattle/Tacoma Intl
17h 46m
2 stops
POS9:20 pmPort of Spain Piarco Intl
Oct 28
POS7:00 amPort of Spain Piarco Intl
18h 18m
2 stops
SEA10:18 pmSeattle/Tacoma Intl
$529
Find similar
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
$539
Find similar

United Airlines flights from State of Washington to Port of Spain

Our best United Airlines deals on State of Washington to Port of Spain flight tickets
United Airlines
Oct 21
SEA11:10 pmSeattle/Tacoma Intl
21h 13m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Oct 27
POS12:30 amPort of Spain Piarco Intl
15h 17m
1 stop
SEA12:47 pmSeattle/Tacoma Intl
$634
Find similar
United Airlines
Oct 21
SEA6:35 amSeattle/Tacoma Intl
13h 48m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Oct 27
POS12:30 amPort of Spain Piarco Intl
24h 03m
2 stops
SEA9:33 pmSeattle/Tacoma Intl
$639
Find similar
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
$648
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from State of Washington 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 16, 2025.
Use the filters below to find and compare flights from Washington 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 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

$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

Tue 10/28

7:00 am-10:18 pm

2 stops18h 18m

$529

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

Sun 1/11

10:57 pm-3:05 pm

1 stop12h 08m

Port of Spain Piarco Intl

Mon 1/19

7:10 am-11:27 pm

1 stop20h 17m

$626

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 10/21

11:10 pm-11:23 pm

1 stop21h 13m

Port of Spain Piarco Intl

Mon 10/27

12:30 am-12:47 pm

1 stop15h 17m

$634

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 10/21

6:35 am-11:23 pm

2 stops13h 48m

Port of Spain Piarco Intl

Mon 10/27

12:30 am-9:33 pm

2 stops24h 03m

$639

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Thu 1/15

7:00 am-6:55 pm

1 stop31h 55m

Port of Spain Piarco Intl

Mon 1/19

9:10 am-12:03 am

2 stops18h 53m

$643

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

$703

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Mon 9/29

12:07 pm-6:55 pm

3 stops27h 48m

Port of Spain Piarco Intl

Mon 10/6

10:10 am-7:36 pm

3 stops36h 26m

$716

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 12/16

8:15 am-1:10 am

1 stop12h 55m

Port of Spain Piarco Intl

Tue 1/6

2:15 am-9:56 pm

1 stop23h 41m

$1,322

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Port of Spain from

How to get the cheapest flight ticket from State of Washington 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 State of Washington, 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 State of Washington 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 State of Washington to Port of Spain is on a Sunday when prices can be found for as low as $548. Flights from State of Washington 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 State of Washington 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 State of Washington to Port of Spain flights?

You could potentially save up to 39% on your flight if you consider stops on a State of Washington to Port of Spain flight.

Cheap State of Washington to Port of Spain flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from State of Washington to Port of Spain

Best Price Found

$524

Fastest flight time

12h 08m

Direct flights

None

Airports in Port of Spain

1 airport
The best flight deal from State of Washington to Port of Spain found on momondo in the last 72 hours is $524
The fastest flight from State of Washington to Port of Spain takes 12h 08m
There are no direct flights from State of Washington to Port of Spain. Popular non-direct routes for this connection are Seattle/Tacoma Intl Airport - Port of Spain Piarco Intl Airport and Portland Airport - Port of Spain Piarco Intl Airport.
There is 1 airport near Port of Spain: Port of Spain Piarco Intl (POS)
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  • When did momondo last update prices for flights from Washington to Port of Spain Piarco Intl Airport?

    Prices for flights from Washington to Port of Spain Piarco Intl Airport are updated daily.

  • How many operators does momondo search for flights from Washington to Port of Spain Piarco Intl Airport?

  • How old do you have to be to fly from Washington to Port of Spain Piarco Intl Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Washington 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.

Best airlines flying from State of Washington to Port of Spain

Compare and see reviews for airlines that fly from State of Washington 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
8,916 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 Washington to Port of Spain?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Washington to Port of Spain. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Washington to Port of Spain with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington to Port of Spain flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington to Port of Spain?

Once all potential Washington to Port of Spain flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington 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 Washington. 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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