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Washington, D.C.

$231+ Cheap flights from Port of Spain (POS) to Washington, D.C. (WAS)

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 1/21. Fares are subject to change and may not be available on all flights or dates of travel.
POS — WAS
Nov 5 — Nov 121
Wed 11/5
Wed 11/12
1 adult, Economy
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Cheap flight deals from Port of Spain to Washington, D.C.

Discover tips and strategies to find the most affordable flight options for your journey from Port of Spain (POS) to Washington, D.C. (WAS). 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 October 6, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$398
(Copa Airlines)

One-way from

$231
(Copa Airlines)

Popular in

April

Cheapest in

February

Average price

$502
Provider with most accurate pricing for Port of Spain Piarco Intl-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Port of Spain Piarco Intl-Washington, D.C. (WAS) flights.
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From Port of Spain Piarco Intl to Washington, D.C. (WAS)
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One-way flight from Port of Spain Piarco Intl to Washington, D.C. (WAS)
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Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Port of Spain to Washington, D.C.

Cheapest flights from Port of Spain to Washington, D.C.
Explore the most affordable flight options available from Port of Spain to Washington, D.C.. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 6, 2025.

This Copa Airlines deal was found by Cheapflights users on 10/6. 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.
Mon 12/222:38 pmPOS - IAD
1 stop13h 44mCopa Airlines
Sun 1/41:12 amIAD - POS
1 stop10h 59mCopa Airlines
Deal found 10/6$398
This Copa Airlines deal was found by Cheapflights users on 10/4. 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.
Wed 11/53:48 amPOS - IAD
1 stop11h 14mCopa Airlines
Sun 11/91:13 amIAD - POS
1 stop11h 04mCopa Airlines
Deal found 10/4$399
This United Airlines deal was found by Cheapflights users on 10/5. 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.
Tue 12/231:30 amPOS - BWI
2 stops44h 56mUnited Airlines
Tue 1/612:25 pmBWI - POS
1 stop10h 58mUnited Airlines
Deal found 10/5$405
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 11/201:30 amPOS - DCA
1 stop15h 28mUnited Airlines
Mon 12/17:59 pmDCA - POS
1 stop27h 24mUnited Airlines
Deal found 10/6$405
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Mon 12/221:30 amPOS - IAD
1 stop21h 49mUnited Airlines
Wed 12/316:08 amIAD - POS
1 stop17h 15mUnited Airlines
Deal found 10/4$405
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 11/181:30 amPOS - BWI
1 stop11h 02mUnited Airlines
Thu 12/48:00 amBWI - POS
1 stop15h 23mUnited Airlines
Deal found 10/6$410
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Tue 11/181:30 amPOS - DCA
1 stop20h 15mUnited Airlines
Thu 12/411:00 amDCA - POS
1 stop12h 23mUnited Airlines
Deal found 10/6$410
This United Airlines deal was found by Cheapflights users on 10/4. 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.
Tue 11/181:30 amPOS - IAD
1 stop10h 58mUnited Airlines
Thu 12/46:00 amIAD - POS
1 stop17h 23mUnited Airlines
Deal found 10/4$410
This United Airlines deal was found by Cheapflights users on 10/6. 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.
Thu 11/201:30 amPOS - BWI
1 stop22h 11mUnited Airlines
Thu 12/48:00 amBWI - POS
1 stop15h 23mUnited Airlines
Deal found 10/6$414
This American Airlines deal was found by Cheapflights users on 10/4. 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.
Mon 11/247:19 amPOS - BWI
2 stops17h 16mAmerican Airlines
Wed 12/37:22 pmBWI - POS
2 stops19h 11mAmerican Airlines
Deal found 10/4$415
This American Airlines deal was found by Cheapflights users on 10/6. 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.
Mon 11/244:30 pmPOS - IAD
2 stops21h 42mAmerican Airlines
Wed 12/35:29 pmIAD - POS
2 stops21h 04mAmerican Airlines
Deal found 10/6$415
This American Airlines deal was found by Cheapflights users on 10/4. 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.
Mon 11/244:30 pmPOS - BWI
1 stop18h 06mAmerican Airlines
Tue 12/210:26 amBWI - POS
1 stop28h 07mAmerican Airlines
Deal found 10/4$419

Cheapflights Fare Finder

 
Customize your flight search to find flights from Port of Spain to Washington, D.C. 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 October 6, 2025.
Use the filters below to find and compare flights from Port of Spain to Washington, D.C. that are best for you.

Fly from

Port of Spain

Fly to

Washington, D.C.

Route

Depart

Return

Price

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Mon 12/22

2:38 pm-3:22 am

1 stop13h 44m

Washington, D.C. Dulles Intl

Sun 1/4

1:12 am-1:11 pm

1 stop10h 59m

$398

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Mon 12/22

1:30 am-11:58 pm

1 stop23h 28m

Baltimore/Washington

Wed 12/31

6:00 am-12:23 am

1 stop17h 23m

$405

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Tue 12/23

1:30 am-9:26 pm

2 stops44h 56m

Baltimore/Washington

Wed 12/31

6:00 am-12:23 am

1 stop17h 23m

$405

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Wed 12/24

1:30 am-11:58 pm

1 stop23h 28m

Baltimore/Washington

Wed 12/31

6:00 am-12:23 am

1 stop17h 23m

$405

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Mon 12/22

1:30 am-11:58 pm

1 stop23h 28m

Baltimore/Washington

Mon 1/5

6:04 pm-12:23 am

1 stop29h 19m

$405

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Thu 11/20

1:30 am-10:41 pm

1 stop22h 11m

Baltimore/Washington

Tue 12/2

3:56 pm-12:23 am

1 stop31h 27m

$405

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Tue 12/23

1:30 am-11:58 pm

1 stop23h 28m

Baltimore/Washington

Mon 1/5

6:04 pm-12:23 am

1 stop29h 19m

$405

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Mon 12/22

1:30 am-11:58 pm

1 stop23h 28m

Baltimore/Washington

Tue 1/6

12:25 pm-12:23 am

1 stop10h 58m

$405

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Thu 2/26

1:30 am-11:30 am

1 stop11h 00m

Baltimore/Washington

Mon 3/2

6:00 am-12:23 am

1 stop17h 23m

$405

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Thu 11/20

1:30 am-10:41 pm

1 stop22h 11m

Baltimore/Washington

Wed 12/3

8:00 am-12:23 am

1 stop15h 23m

$405

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/4

Showing 1-10 of 59 results
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Compare providers for flights from Port of Spain to Washington, D.C.

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Port of Spain to Washington, D.C. in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Port of Spain-Washington, D.C. flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Port of Spain-Washington, D.C. flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Port of Spain-Washington, D.C. flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Port of Spain-Washington, D.C. flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Port of Spain-Washington, D.C. flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Port of Spain to Washington, D.C.

Have a flexible travel schedule? Discover the best time to fly to Washington, D.C. from Port of Spain 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 Port of Spain to Washington, D.C.

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

Currently, April is the cheapest month in which you can book a flight from Port of Spain to Washington, D.C. (average of $242). Flying from Port of Spain to Washington, D.C. in February is currently the most expensive (average of $419). 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 POS to WAS?

Find hourly flight availability from Port of Spain to Washington, D.C.. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 6, 2025.

One of the essential ways to save on airfare from Port of Spain to Washington, D.C. is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 14% on airfare.

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

Reviews of airlines servicing Washington, D.C.

Get insights into the airlines that provide service to Washington, D.C.. 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 Washington, D.C.. Reviews last updated October 6, 2025.
Get a feel of what it's like to fly with Copa Airlines, United Airlines, and American Airlines from Port of Spain to Washington, D.C. by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,542 reviews

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
Copa Airlines
7.6
Good
1,542 reviews
Copa Airlines
7.6
Good
1,542 reviews

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
United Airlines
7.4
Good
8,957 reviews
Copa Airlines
7.6
Good
1,542 reviews

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring
American Airlines
7.2
Good
11,040 reviews
Copa Airlines
7.6
Good
1,542 reviews

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
10.0
Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring

Related info for your journey

Find useful and relevant information for your journey from Port of Spain to Washington, D.C.. 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 from for flights from Port of Spain to Washington, D.C.?

    Located just 12.6 mi from the city center, Port of Spain Piarco Intl is the airport most travelers will use when flying to Washington, D.C. from Port of Spain. Booking flights from Piarco Intl (POS) to Washington, D.C. should be relatively easy as there are 0 daily outbound flights to Washington, D.C. from 3 different airlines.

  • How long is the flight from Port of Spain to Washington, D.C.?

    Airlines like Copa Airlines and United Airlines fly from Port of Spain to Washington, D.C. in about 13h 44m. The time it takes to get you to your destination can typically vary by up to 9h 44m. Airlines will cover a distance of 2195 mi. This flight may include one or multiple stops.

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

    Copa Airlines, at $335, was found to be the cheapest airline from Port of Spain to Washington, D.C..Alternate airlines to your destination round-trip include United Airlines and American Airlines. Copa Airlines is 32% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Copa Airlines. According to our data, you can fly for as low as $231. Users have also found prices from $240 and $268 on Air Canada and United Airlines, respectively.

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

    The most popular flight routes from Port of Spain to Washington, D.C. are Port of Spain Piarco Intl - Washington, D.C. Dulles Intl, Port of Spain Piarco Intl - Baltimore/Washington and Port of Spain Piarco Intl - Washington, D.C. Reagan-National.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Port of Spain to Washington, D.C. 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 Port of Spain to Washington, D.C.?

    Currently, April is the cheapest month in which you can book a flight from Port of Spain to Washington, D.C. (average of $242). Flying from Port of Spain to Washington, D.C. in February is currently the most expensive (average of $419). 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

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Springfield
Hanover
Gaithersburg
Fredericksburg
Fairfax
Linthicum Heights
Falls Church
Owings Mills
Manassas
Oxon Hill
Laurel
Towson
National Harbor
Dundalk
Waldorf

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

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

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

Discover the top 3 airlines that operate flights from Port of Spain to Washington, D.C.. 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 October 6, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$335Average$451FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$372Average$467FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$398Average$619FlexibilityNo cancel feeOn-time71%

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