Cheap flights from Port of Spain to Washington from $304

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Port of Spain to Washington departing on 4/20. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
1:20 am - 9:35 am
POS
-
SEA
35h 15m
2 stops
Air Canada Logo
3:40 pm - 12:20 am
SEA
-
POS
29h 40m
2 stops
$578Air Canada
Sun, Mar 15 - Mon, Mar 23
Air Canada Logo
1:20 am - 10:16 pm
POS
-
SEA
23h 56m
1 stop
Air Canada Logo
8:00 pm - 12:20 am
SEA
-
POS
25h 20m
2 stops
$583Air Canada
Sun, Mar 15 - Mon, Mar 23
Air Canada Logo
1:25 am - 10:22 pm
POS
-
SEA
47h 57m
2 stops
Air Canada Logo
7:20 pm - 12:15 am
SEA
-
POS
25h 55m
2 stops
$672Air Canada
Mon, Aug 3 - Tue, Aug 18
United Airlines Logo
12:30 am - 11:34 am
POS
-
SEA
14h 04m
2 stops
United Airlines Logo
5:00 am - 11:23 pm
SEA
-
POS
15h 23m
2 stops
$674United Airlines
Thu, Aug 27 - Wed, Sep 2
United Airlines Logo
2:00 am - 2:16 pm
POS
-
SEA
15h 16m
1 stop
United Airlines Logo
6:51 pm - 11:23 pm
SEA
-
POS
25h 32m
2 stops
$717United Airlines
Mon, Aug 3 - Tue, Aug 18
American Airlines Logo
7:00 am - 11:59 pm
POS
-
SEA
19h 59m
1 stop
American Airlines Logo
8:08 pm - 9:36 pm
SEA
-
POS
22h 28m
1 stop
$735American Airlines
Tue, Aug 4 - Tue, Aug 18
Multiple Airlines Logo
1:20 am - 9:35 am
POS
-
SEA
35h 15m
2 stops
Multiple Airlines Logo
8:00 pm - 8:10 pm
SEA
-
POS
21h 10m
3 stops
$803Multiple Airlines
Sun, Mar 15 - Mon, Mar 23
United Airlines Logo
12:30 am - 7:25 pm
POS
-
SEA
21h 55m
1 stop
United Airlines Logo
11:59 pm - 11:23 pm
SEA
-
POS
20h 24m
1 stop
$818United Airlines
Mon, Mar 16 - Tue, Mar 24
United Airlines Logo
12:30 am - 8:58 pm
POS
-
SEA
23h 28m
2 stops
United Airlines Logo
11:59 pm - 11:23 pm
SEA
-
POS
20h 24m
1 stop
$823United Airlines
Mon, Mar 16 - Tue, Mar 24
American Airlines Logo
7:00 am - 11:42 pm
POS
-
SEA
19h 42m
1 stop
American Airlines Logo
8:08 pm - 9:36 pm
SEA
-
POS
22h 28m
1 stop
$847American Airlines
Fri, Aug 7 - Mon, Aug 17

United Airlines flights from Port of Spain to State of Washington

Our best United Airlines deals on Port of Spain to State of Washington flight tickets
United Airlines
Aug 27
POS12:30 amPort of Spain Piarco Intl
15h 10m
1 stop
SEA12:40 pmSeattle/Tacoma Intl
Sep 2
SEA5:00 amSeattle/Tacoma Intl
15h 23m
2 stops
POS11:23 pmPort of Spain Piarco Intl
$674
United Airlines
Mar 16
POS12:30 amPort of Spain Piarco Intl
21h 55m
1 stop
SEA7:25 pmSeattle/Tacoma Intl
Mar 24
SEA11:59 pmSeattle/Tacoma Intl
20h 24m
1 stop
POS11:23 pmPort of Spain Piarco Intl
$818
United Airlines
Mar 16
POS12:30 amPort of Spain Piarco Intl
23h 28m
2 stops
SEA8:58 pmSeattle/Tacoma Intl
Mar 24
SEA11:59 pmSeattle/Tacoma Intl
20h 24m
1 stop
POS11:23 pmPort of Spain Piarco Intl
$823

American Airlines flights from Port of Spain to State of Washington

Our best American Airlines deals on Port of Spain to State of Washington flight tickets
American Airlines
Aug 7
POS7:00 amPort of Spain Piarco Intl
19h 42m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
Aug 17
SEA8:08 pmSeattle/Tacoma Intl
22h 28m
1 stop
POS9:36 pmPort of Spain Piarco Intl
$847
American Airlines
Aug 7
POS7:00 amPort of Spain Piarco Intl
19h 42m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
Aug 17
SEA11:30 pmSeattle/Tacoma Intl
13h 25m
2 stops
POS3:55 pmPort of Spain Piarco Intl
$852
American Airlines
Aug 7
POS7:00 amPort of Spain Piarco Intl
19h 42m
1 stop
SEA11:42 pmSeattle/Tacoma Intl
Aug 17
SEA8:08 pmSeattle/Tacoma Intl
22h 28m
1 stop
POS9:36 pmPort of Spain Piarco Intl
$870

momondo Fare Finder

 
Customize your flight search to find flights from Port of Spain to State of Washington 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 Port of Spain to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sun 3/15

1:20 am-9:35 am

2 stops35h 15m

Seattle/Tacoma Intl

Mon 3/23

3:40 pm-12:20 am

2 stops29h 40m

$578

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sun 3/15

1:20 am-10:16 pm

1 stop23h 56m

Seattle/Tacoma Intl

Mon 3/23

8:00 pm-12:20 am

2 stops25h 20m

$583

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Mon 8/3

1:25 am-10:22 pm

2 stops47h 57m

Seattle/Tacoma Intl

Tue 8/18

7:20 pm-12:15 am

2 stops25h 55m

$672

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Thu 8/27

12:30 am-11:34 am

2 stops14h 04m

Seattle/Tacoma Intl

Wed 9/2

5:00 am-11:23 pm

2 stops15h 23m

$674

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Mon 8/3

2:00 am-2:16 pm

1 stop15h 16m

Seattle/Tacoma Intl

Tue 8/18

6:51 pm-11:23 pm

2 stops25h 32m

$717

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Tue 8/4

7:00 am-11:59 pm

1 stop19h 59m

Seattle/Tacoma Intl

Tue 8/18

8:08 pm-9:36 pm

1 stop22h 28m

$735

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Sun 3/15

1:20 am-9:35 am

2 stops35h 15m

Seattle/Tacoma Intl

Mon 3/23

8:00 pm-8:10 pm

3 stops21h 10m

$803

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Mon 3/16

12:30 am-7:25 pm

1 stop21h 55m

Seattle/Tacoma Intl

Tue 3/24

11:59 pm-11:23 pm

1 stop20h 24m

$818

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Mon 3/16

12:30 am-8:58 pm

2 stops23h 28m

Seattle/Tacoma Intl

Tue 3/24

11:59 pm-11:23 pm

1 stop20h 24m

$823

Port of SpainSeattle

POS - SEA

POSSEA

Port of Spain Piarco Intl

Fri 8/7

7:00 am-11:42 pm

1 stop19h 42m

Seattle/Tacoma Intl

Mon 8/17

8:08 pm-9:36 pm

1 stop22h 28m

$847

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Washington from

How to get the cheapest flight ticket from Port of Spain to State of Washington

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 airline that flies from Port of Spain Piarco Intl to Washington?

Air Canada and United Airlines are the most popular carriers operating from Port of Spain Piarco Intl to Washington

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

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

Fastest flight time

21h 03m

Direct flights

None
The fastest flight from Port of Spain to State of Washington takes 21h 03m
There are no direct flights from Port of Spain to State of Washington. There are no popular flight routes from Port of Spain to State of Washington.
  • When did momondo last update prices for flights from Port of Spain Piarco Intl Airport to Washington?

    Prices for flights from Port of Spain Piarco Intl Airport to Washington were last updated today.

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

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

    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 Port of Spain Piarco Intl Airport to Washington.

  • What documentation or ID do you need to fly to Washington?

    The necessary travel and health documents for your Washington trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Port of Spain to State of Washington

Compare and see reviews for airlines that fly from Port of Spain to State of Washington with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $631Free CancellationRating
7.4
9,382 reviews
Search United Airlines flights

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Why should I use momondo to find a flight deal from Port of Spain to Washington?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Port of Spain to Washington for you.

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

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

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

momondo helps you find the best flight between Port of Spain and Washington 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 Washington right now. Can momondo alert me if prices change?

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1 adult
Fri 4/3
Fri 4/10

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