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$173+ Cheap flights from Washington, D.C. (WAS) to Port of Spain (POS)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — POS
ago. 19 — ago. 261
mar. 8/19
mar. 8/26
1 adult, Economy
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Cheapflights Tip: The best prices from Washington, D.C. to Port of Spain Piarco Intl are usually found in January or May, booked 85 days in advance, depart on a Saturday or Wednesday and return on a Tuesday

Cheap flight deals from Washington, D.C. to Port of Spain

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Port of Spain (POS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated agosto 14, 2025.

Round-trip from

$352
(Copa Airlines)

One-way from

$173
(Copa Airlines)

Popular in

December

Cheapest in

January

Average price

$552
From Washington, D.C. (WAS) to Port of Spain Piarco Intl
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One-way flight from Washington, D.C. (WAS) to Port of Spain Piarco Intl
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Washington, D.C. to Port of Spain

Cheapest flights from Washington, D.C. to Port of Spain
Explore the most affordable flight options available from Washington, D.C. to Port of Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 14, 2025.

This Copa Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/302:25 amIAD - POS
1 stop10h 52mCopa Airlines
dom. 10/53:51 amPOS - IAD
1 stop11h 14mCopa Airlines
Deal found 8/13$352
This Copa Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/263:42 pmBWI - POS
1 stop9h 06mCopa Airlines
dom. 11/303:47 amPOS - BWI
1 stop11h 23mCopa Airlines
Deal found 8/14$366
This Copa Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/282:25 amIAD - POS
1 stop10h 52mCopa Airlines
lun. 11/33:48 amPOS - IAD
1 stop11h 16mCopa Airlines
Deal found 8/14$367
This Copa Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/114:34 pmIAD - POS
1 stop9h 12mCopa Airlines
lun. 9/153:51 amPOS - IAD
1 stop11h 14mCopa Airlines
Deal found 8/13$372
This American Airlines deal was found by Cheapflights users on 8/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/235:05 amDCA - POS
1 stop9h 11mAmerican Airlines
mié. 10/227:00 amPOS - DCA
1 stop11h 59mAmerican Airlines
Deal found 8/12$378
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/2710:45 amIAD - POS
1 stop12h 38mUnited Airlines
vie. 10/312:30 amPOS - IAD
1 stop20h 30mUnited Airlines
Deal found 8/13$378
This American Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/116:52 pmBWI - POS
2 stops19h 24mAmerican Airlines
mar. 9/163:25 pmPOS - BWI
2 stops22h 31mAmerican Airlines
Deal found 8/13$383
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/237:21 pmIAD - POS
2 stops18h 55mAmerican Airlines
mar. 9/303:25 pmPOS - IAD
2 stops18h 42mAmerican Airlines
Deal found 8/14$383
This American Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 10/237:18 pmBWI - POS
1 stop19h 07mAmerican Airlines
mar. 10/287:00 amPOS - BWI
1 stop11h 28mAmerican Airlines
Deal found 8/14$387
This United Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/207:59 pmDCA - POS
1 stop27h 24mUnited Airlines
vie. 10/3112:30 amPOS - DCA
1 stop15h 28mUnited Airlines
Deal found 8/13$387
This Copa Airlines deal was found by Cheapflights users on 8/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 9/204:34 pmIAD - POS
1 stop9h 12mCopa Airlines
dom. 10/53:51 amPOS - IAD
1 stop11h 14mCopa Airlines
Deal found 8/14$387
This Copa Airlines deal was found by Cheapflights users on 8/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/284:34 pmIAD - POS
1 stop9h 12mCopa Airlines
lun. 11/173:48 amPOS - IAD
1 stop11h 16mCopa Airlines
Deal found 8/13$389

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Port of Spain that are best for you.

Fly from

Washington, D.C.

Fly to

Port of Spain

Route

Depart

Return

Price

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

mar. 9/30

2:25 am-1:17 pm

1 stop10h 52m

Port of Spain Piarco Intl

dom. 10/5

3:51 am-3:05 pm

1 stop11h 14m

$352

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

mar. 10/21

2:25 am-1:17 pm

1 stop10h 52m

Port of Spain Piarco Intl

lun. 10/27

3:51 am-3:05 pm

1 stop11h 14m

$352

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

mar. 10/28

2:25 am-1:17 pm

1 stop10h 52m

Port of Spain Piarco Intl

lun. 11/3

3:48 am-2:04 pm

1 stop11h 16m

$367

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

mar. 9/9

4:34 pm-1:46 am

1 stop9h 12m

Port of Spain Piarco Intl

lun. 9/15

3:51 am-3:05 pm

1 stop11h 14m

$372

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

sáb. 9/20

4:34 pm-1:46 am

1 stop9h 12m

Port of Spain Piarco Intl

dom. 10/5

3:51 am-3:05 pm

1 stop11h 14m

$372

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

jue. 10/23

4:34 pm-1:46 am

1 stop9h 12m

Port of Spain Piarco Intl

lun. 10/27

3:51 am-3:05 pm

1 stop11h 14m

$372

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

jue. 9/11

4:34 pm-1:46 am

1 stop9h 12m

Port of Spain Piarco Intl

lun. 9/15

3:51 am-3:05 pm

1 stop11h 14m

$372

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

lun. 10/13

6:00 am-9:20 pm

1 stop15h 20m

Port of Spain Piarco Intl

lun. 10/20

7:00 am-6:28 pm

1 stop11h 28m

$378

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

vie. 9/26

12:55 pm-11:23 pm

1 stop10h 28m

Port of Spain Piarco Intl

jue. 10/2

12:30 am-8:51 pm

1 stop20h 21m

$378

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

mar. 9/23

5:05 am-2:16 pm

1 stop9h 11m

Port of Spain Piarco Intl

mié. 10/22

7:00 am-6:59 pm

1 stop11h 59m

$378

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/12

Showing 1-10 of 53 results
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Best time to book a flight from Washington, D.C. to Port of Spain

Have a flexible travel schedule? Discover the best time to fly to Port of Spain from Washington, D.C. with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. to Port of Spain

How far ahead should I book a flight from Washington, D.C. to Port of Spain?

Use this chart to determine the optimal time to book a round-trip flight from Washington, D.C. to Port of Spain. Price data was last updated on August 8, 2025.

The price you pay for your flight from Washington, D.C. to Port of Spain may vary depending on when you book. For the best chance of a lower fare, look to book 85 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Washington, D.C. to Port of Spain?

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Port of Spain (average of $435). Flying from Washington, D.C. to Port of Spain in December is currently the most expensive (average of $710). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from WAS to POS?

Find hourly flight availability from Washington, D.C. to Port of Spain. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 14, 2025.

One of the essential ways to save on airfare from Washington, D.C. to Port of Spain is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 21% on airfare.

What is the cheapest day to fly from Washington, D.C. to Port of Spain?

Use this chart to determine the cheapest time to fly round-trip from Washington, D.C. to Port of Spain. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Washington, D.C. to Port of Spain flight should consider departing on Wednesday evenings when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Washington, D.C. to Port of Spain?

Reviews of airlines servicing Port of Spain

Get insights into the airlines that provide service to Port of Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Port of Spain. Reviews last updated agosto 14, 2025.
Read reviews from past customers who have flown Copa Airlines, United Airlines, and American Airlines from Washington, D.C. to Port of Spain. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.5
Good
1,509 reviews

Crew

8.1

Boarding

7.8

Food

6.8

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
Copa Airlines
7.5
Good
1,509 reviews
Copa Airlines
7.5
Good
1,509 reviews

Crew

8.1

Boarding

7.8

Food

6.8

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
United Airlines
7.4
Good
8,916 reviews
Copa Airlines
7.5
Good
1,509 reviews

Crew

8.1

Boarding

7.8

Food

6.8

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
American Airlines
7.2
Good
10,000 reviews
Copa Airlines
7.5
Good
1,509 reviews

Crew

8.1

Boarding

7.8

Food

6.8

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
JetBlue
7.2
Good
2,913 reviews
Copa Airlines
7.5
Good
1,509 reviews

Crew

8.1

Boarding

7.8

Food

6.8

Comfort

7.4

Entertainment

6.8

Overall

7.5

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. to Port of Spain. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Port of Spain from Washington, D.C.?

    If you book a flight to Port of Spain from Washington, D.C., you will be flying to Piarco Intl, which is the city’s only airport. Port of Spain Piarco Intl (POS) is located 12.6 mi from the center of Port of Spain. There are 0 flights from Washington, D.C. to Piarco Intl per day from 3 different airlines.

  • What are the cheapest airlines flying from Washington, D.C. to Port of Spain round-trip?

    Copa Airlines, at $312, was found to be the cheapest airline from Washington, D.C. to Port of Spain.Alternate airlines to your destination round-trip include American Airlines and United Airlines. Users have found that Copa Airlines is 43% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. to Port of Spain one-way?

    To fly one-way, consider booking your trip with Copa Airlines, which is currently one of the cheapest options available, starting at $173. Air Canada flights start at $183 while deals on American Airlines start at $208 one-way.

  • What are the most popular routes from Washington, D.C. to Port of Spain?

    The most popular route from Washington, D.C. to Port of Spain is Washington, D.C. Reagan-National - Port of Spain Piarco Intl. You may also consider Washington, D.C. Dulles Intl - Port of Spain Piarco Intl or Baltimore/Washington - Port of Spain Piarco Intl.

  • Where are the most common layover locations when flying from Washington, D.C. to Port of Spain?

    Flights departing from Washington, D.C. and landing in Port of Spain layover in Miami most frequently.

  • What are some popular things to do or see while on a layover in Miami?

    Miami travelers tend to visit Wynwood Art District, Bayfront Park, and Kaseya Center more than anywhere else. Wynwood Art District, Bayfront Park, and Kaseya Center can be visited by traveling about 5.5 mi, 6.4 mi, and 6.2 mi respectively from Miami. Travelers can rent a car at Miami for an average daily rate of $29 to make sightseeing during their layover a little easier.

  • Where are the least popular layover locations for Washington, D.C. to Port of Spain flights?

    Washington, D.C. to Port of Spain flights have a layover in Panama City the least frequently.

  • Can I find deals for flights from Washington, D.C. to Port of Spain that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Port of Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Port of Spain?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Port of Spain.

  • Can I find deals for business class flights from Washington, D.C. to Port of Spain?

    Yes. Cheapflights offers flight deals from Washington, D.C. to Port of Spain by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. to Port of Spain?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. to Port of Spain (average of $435). Flying from Washington, D.C. to Port of Spain in December is currently the most expensive (average of $710). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Washington, D.C. to Port of Spain

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Port of Spain flights
Dulles Intl to Port of Spain flights
Dulles Intl to Scarborough flights
Reagan-National to Scarborough flights

Top 3 airlines flying from Washington, D.C. to Port of Spain

Discover the top 3 airlines that operate flights from Washington, D.C. to Port of Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 14, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$291Average$466FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$323Average$530FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$356Average$631FlexibilityNo cancel feeOn-time71%

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