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Cheap flights from Washington to Port of Spain from $257

This is the cheapest one-way 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 12/14. 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 Washington to Port of Spain

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
11:59 pm - 11:23 pmSEA-POS
20h 24m2 stops
United Airlines Logo
12:30 am - 2:18 pmPOS-SEA
16h 48m2 stops
$562United Airlines
Find Deal
Sun, Apr 26 - Fri, May 1
United Airlines Logo
7:00 am - 12:23 amSEA-POS
13h 23m1 stop
United Airlines Logo
1:30 am - 4:01 pmPOS-SEA
18h 31m2 stops
$583United 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 - 11:15 pmPOS-SEA
25h 45m2 stops
$587United Airlines
Find Deal
Mon, Dec 8 - Fri, Dec 12
United Airlines Logo
7:00 am - 12:23 amSEA-POS
13h 23m1 stop
United Airlines Logo
1:30 am - 10:59 pmPOS-SEA
25h 29m1 stop
$595United Airlines
Find Deal
Sun, Jan 11 - Sun, Jan 18
United Airlines Logo
11:59 pm - 11:23 pmSEA-POS
20h 24m2 stops
United Airlines Logo
12:30 am - 12:45 pmPOS-SEA
15h 15m1 stop
$598United Airlines
Find Deal
Sun, Apr 26 - Fri, May 1
American Airlines Logo
11:11 pm - 10:48 pmSEA-POS
19h 37m1 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
11:11 pm - 10:48 pmSEA-POS
19h 37m1 stop
American Airlines Logo
6:30 am - 11:42 pmPOS-SEA
21h 12m1 stop
$659American 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
$663American Airlines
Find Deal
Sun, Jan 11 - Mon, Jan 19
United Airlines Logo
10:00 pm - 12:23 amSEA-POS
22h 23m2 stops
United Airlines Logo
1:30 am - 9:00 pmPOS-SEA
23h 30m3 stops
$669United Airlines
Find Deal
Sat, Nov 29 - Tue, Dec 2

Air Canada flights from State of Washington to Port of Spain

Our best Air Canada deals on State of Washington to Port of Spain flight tickets
Air Canada
Jan 11
SEA3:40 pmSeattle/Tacoma Intl
53h 40m
2 stops
POS1:20 amPort of Spain Piarco Intl
Jan 18
POS2:20 amPort of Spain Piarco Intl
40h 11m
2 stops
SEA2:31 pmSeattle/Tacoma Intl
$684
Find similar
Air Canada
Jan 11
SEA8:10 amSeattle/Tacoma Intl
13h 10m
1 stop
POS1:20 amPort of Spain Piarco Intl
Jan 18
POS2:20 amPort of Spain Piarco Intl
23h 56m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
$691
Find similar
Air Canada
Nov 16
SEA8:10 amSeattle/Tacoma Intl
13h 00m
1 stop
POS1:10 amPort of Spain Piarco Intl
Nov 28
POS2:15 amPort of Spain Piarco Intl
24h 01m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
$713
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
Nov 19
SEA7:10 amSeattle/Tacoma Intl
13h 13m
1 stop
POS12:23 amPort of Spain Piarco Intl
Nov 21
POS1:30 amPort of Spain Piarco Intl
21h 55m
1 stop
SEA7:25 pmSeattle/Tacoma Intl
$555
Find similar
United Airlines
Nov 19
SEA7:10 amSeattle/Tacoma Intl
13h 13m
1 stop
POS12:23 amPort of Spain Piarco Intl
Nov 21
POS1:30 amPort of Spain Piarco Intl
20h 40m
2 stops
SEA6:10 pmSeattle/Tacoma Intl
$559
Find similar
United Airlines
Jan 11
SEA7:00 amSeattle/Tacoma Intl
13h 23m
1 stop
POS12:23 amPort of Spain Piarco Intl
Jan 18
POS1:30 amPort of Spain Piarco Intl
18h 31m
2 stops
SEA4:01 pmSeattle/Tacoma Intl
$583
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 November 15, 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

Sun 4/26

11:59 pm-11:23 pm

2 stops20h 24m

Port of Spain Piarco Intl

Fri 5/1

12:30 am-2:18 pm

2 stops16h 48m

$562

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-4:01 pm

2 stops18h 31m

$583

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-11:15 pm

2 stops25h 45m

$587

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-10:59 pm

1 stop25h 29m

$595

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 4/26

11:59 pm-11:23 pm

2 stops20h 24m

Port of Spain Piarco Intl

Fri 5/1

12:30 am-12:45 pm

1 stop15h 15m

$598

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sun 1/11

11:11 pm-10:48 pm

1 stop19h 37m

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

Sun 1/11

11:11 pm-10:48 pm

1 stop19h 37m

Port of Spain Piarco Intl

Mon 1/19

6:30 am-11:42 pm

1 stop21h 12m

$659

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

$663

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Sat 11/29

10:00 pm-12:23 am

2 stops22h 23m

Port of Spain Piarco Intl

Tue 12/2

1:30 am-9:00 pm

3 stops23h 30m

$669

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 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 $541.

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 26% 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

Direct flights

None
There are no direct flights from State of Washington to Port of Spain. There are no popular flight routes from State of Washington to Port of Spain.
Search flight deals

  • 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 $472Free CancellationRating
7.2
11,047 reviews
Search American Airlines flights
United AirlinesPriceFrom $493Free CancellationRating
7.4
9,019 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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