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Cheap flights from Washington to Port of Spain from $160

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 5/16. 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
6:30 am - 11:23 pm
SEA
-
POS
13h 53m
1 stop
United Airlines Logo
12:30 am - 7:42 pm
POS
-
SEA
22h 12m
1 stop
$374United Airlines
Wed, Apr 15 - Tue, Apr 21
United Airlines Logo
5:00 am - 11:23 pm
SEA
-
POS
15h 23m
2 stops
United Airlines Logo
12:30 am - 6:00 pm
POS
-
SEA
20h 30m
2 stops
$378United Airlines
Tue, Mar 31 - Mon, Apr 6
United Airlines Logo
6:30 am - 11:23 pm
SEA
-
POS
13h 53m
1 stop
United Airlines Logo
12:30 am - 6:00 pm
POS
-
SEA
20h 30m
2 stops
$398United Airlines
Tue, Mar 31 - Mon, Apr 6
United Airlines Logo
6:45 am - 11:23 pm
SEA
-
POS
13h 38m
1 stop
United Airlines Logo
12:30 am - 7:42 pm
POS
-
SEA
22h 12m
1 stop
$420United Airlines
Wed, Mar 25 - Tue, Apr 7
United Airlines Logo
6:30 am - 11:23 pm
SEA
-
POS
13h 53m
1 stop
United Airlines Logo
12:30 am - 7:42 pm
POS
-
SEA
22h 12m
1 stop
$432United Airlines
Tue, Mar 31 - Mon, Apr 6
United Airlines Logo
5:00 am - 11:23 pm
SEA
-
POS
15h 23m
2 stops
United Airlines Logo
12:30 am - 6:00 pm
POS
-
SEA
20h 30m
2 stops
$470United Airlines
Wed, Mar 25 - Tue, Apr 7
United Airlines Logo
6:30 am - 11:23 pm
SEA
-
POS
13h 53m
1 stop
United Airlines Logo
12:30 am - 7:42 pm
POS
-
SEA
22h 12m
1 stop
$472United Airlines
Tue, Mar 31 - Mon, Apr 6
United Airlines Logo
6:30 am - 11:23 pm
SEA
-
POS
13h 53m
1 stop
United Airlines Logo
12:30 am - 7:44 pm
POS
-
SEA
22h 14m
1 stop
$484United Airlines
Tue, Apr 28 - Mon, May 4
American Airlines Logo
12:40 am - 11:01 pm
PDX
-
POS
19h 21m
2 stops
American Airlines Logo
7:00 am - 10:53 pm
POS
-
PDX
18h 53m
2 stops
$694American Airlines
Thu, May 28 - Wed, Jun 3
Multiple Airlines Logo
7:45 pm - 12:15 am
PDX
-
POS
49h 30m
2 stops
Multiple Airlines Logo
6:40 pm - 5:39 pm
POS
-
PDX
25h 59m
3 stops
$808Multiple Airlines
Fri, May 29 - Wed, Jun 3

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
Apr 17
SEA5:40 amSeattle/Tacoma Intl
15h 40m
2 stops
POS12:20 amPort of Spain Piarco Intl
Apr 23
POS1:20 amPort of Spain Piarco Intl
21h 00m
2 stops
SEA7:20 pmSeattle/Tacoma Intl
$560
Air Canada
Apr 17
SEA8:00 amSeattle/Tacoma Intl
13h 20m
1 stop
POS12:20 amPort of Spain Piarco Intl
Apr 23
POS1:20 amPort of Spain Piarco Intl
21h 00m
2 stops
SEA7:20 pmSeattle/Tacoma Intl
$567
Air Canada
Mar 5
SEA8:00 amSeattle/Tacoma Intl
13h 20m
1 stop
POS1:20 amPort of Spain Piarco Intl
Mar 15
POS1:20 amPort of Spain Piarco Intl
23h 56m
1 stop
SEA10:16 pmSeattle/Tacoma Intl
$578

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
Apr 15
SEA6:30 amSeattle/Tacoma Intl
13h 53m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Apr 21
POS12:30 amPort of Spain Piarco Intl
22h 12m
1 stop
SEA7:42 pmSeattle/Tacoma Intl
$374
United Airlines
Mar 31
SEA5:00 amSeattle/Tacoma Intl
15h 23m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Apr 6
POS12:30 amPort of Spain Piarco Intl
20h 30m
2 stops
SEA6:00 pmSeattle/Tacoma Intl
$378
United Airlines
Mar 25
SEA6:45 amSeattle/Tacoma Intl
13h 38m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Apr 7
POS12:30 amPort of Spain Piarco Intl
22h 12m
1 stop
SEA7:42 pmSeattle/Tacoma Intl
$420

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 March 4, 2026.
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

Wed 4/15

6:30 am-11:23 pm

1 stop13h 53m

Port of Spain Piarco Intl

Tue 4/21

12:30 am-7:42 pm

1 stop22h 12m

$374

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 3/31

5:00 am-11:23 pm

2 stops15h 23m

Port of Spain Piarco Intl

Mon 4/6

12:30 am-6:00 pm

2 stops20h 30m

$378

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 3/31

6:30 am-11:23 pm

1 stop13h 53m

Port of Spain Piarco Intl

Mon 4/6

12:30 am-6:00 pm

2 stops20h 30m

$398

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 3/25

6:45 am-11:23 pm

1 stop13h 38m

Port of Spain Piarco Intl

Tue 4/7

12:30 am-7:42 pm

1 stop22h 12m

$420

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 3/31

6:30 am-11:23 pm

1 stop13h 53m

Port of Spain Piarco Intl

Mon 4/6

12:30 am-7:42 pm

1 stop22h 12m

$432

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Wed 3/25

5:00 am-11:23 pm

2 stops15h 23m

Port of Spain Piarco Intl

Tue 4/7

12:30 am-6:00 pm

2 stops20h 30m

$470

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 3/31

6:30 am-11:23 pm

1 stop13h 53m

Port of Spain Piarco Intl

Mon 4/6

12:30 am-7:42 pm

1 stop22h 12m

$472

SeattlePort of Spain

SEA - POS

SEAPOS

Seattle/Tacoma Intl

Tue 4/28

6:30 am-11:23 pm

1 stop13h 53m

Port of Spain Piarco Intl

Mon 5/4

12:30 am-7:44 pm

1 stop22h 14m

$484

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Thu 5/28

12:40 am-11:01 pm

2 stops19h 21m

Port of Spain Piarco Intl

Wed 6/3

7:00 am-10:53 pm

2 stops18h 53m

$694

PortlandPort of Spain

PDX - POS

PDXPOS

Portland

Fri 5/29

7:45 pm-12:15 am

2 stops49h 30m

Port of Spain Piarco Intl

Wed 6/3

6:40 pm-5:39 pm

3 stops25h 59m

$808

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 18 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 September is, on average, the cheapest month to fly to Port of Spain from State of Washington, with most prices found around $541. If you’re not able to fly to Port of Spain in September, then October is your next best option. Flight prices from State of Washington to Port of Spain during October average around $608.

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

You could potentially save up to 58% 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

Fastest flight time

17h 45m

Direct flights

None
The fastest flight from State of Washington to Port of Spain takes 17h 45m
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
United AirlinesPriceFrom $524Free CancellationRating
7.4
9,382 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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