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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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — POS
Nov 1 — Nov 81
Sat 11/1
Sat 11/8
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 October 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$376
(Kiwi.com)

One-way from

$173
(Copa Airlines)

Popular in

December

Cheapest in

January

Average price

$535
Provider with most accurate pricing for Washington, D.C. (WAS)-Port of Spain Piarco Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Port of Spain Piarco Intl flights.
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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, 1% potential price rise
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Cheapest flight prices on average. 1% potential price decrease ($8 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 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 October 2, 2025.

This American Airlines deal was found by Cheapflights users on 9/30. 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.
Wed 11/266:00 amBWI - POS
1 stop8h 30mAmerican Airlines
Mon 12/14:30 pmPOS - BWI
1 stop18h 06mAmerican Airlines
Deal found 9/30$378
This United Airlines deal was found by Cheapflights users on 10/1. 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 11/106:00 amBWI - POS
1 stop17h 23mUnited Airlines
Mon 12/81:30 amPOS - BWI
1 stop15h 45mUnited Airlines
Deal found 10/1$379
This United Airlines deal was found by Cheapflights users on 10/1. 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 11/1312:50 pmDCA - POS
1 stop10h 33mUnited Airlines
Mon 11/171:30 amPOS - DCA
1 stop18h 12mUnited Airlines
Deal found 10/1$379
This United Airlines deal was found by Cheapflights users on 10/1. 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 11/136:00 amIAD - POS
1 stop17h 23mUnited Airlines
Mon 11/171:30 amPOS - IAD
1 stop15h 46mUnited Airlines
Deal found 10/1$379
This American Airlines deal was found by Cheapflights users on 10/2. 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.
Wed 11/198:30 amDCA - POS
2 stops14h 09mAmerican Airlines
Fri 11/287:19 amPOS - DCA
1 stop12h 40mAmerican Airlines
Deal found 10/2$383
This American Airlines deal was found by Cheapflights users on 10/1. 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.
Fri 11/75:35 pmIAD - POS
2 stops20h 55mAmerican Airlines
Tue 11/117:19 amPOS - IAD
2 stops16h 48mAmerican Airlines
Deal found 10/1$383
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Thu 11/206:00 amBWI - POS
1 stop16h 38mAmerican Airlines
Sun 11/234:30 pmPOS - BWI
1 stop8h 29mAmerican Airlines
Deal found 9/30$384
This American Airlines deal was found by Cheapflights users on 10/1. 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.
Fri 10/317:18 pmBWI - POS
1 stop26h 02mAmerican Airlines
Fri 11/74:30 pmPOS - BWI
1 stop8h 29mAmerican Airlines
Deal found 10/1$387
This United Airlines deal was found by Cheapflights users on 10/2. 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 11/138:15 amDCA - POS
1 stop15h 08mUnited Airlines
Sun 11/161:30 amPOS - DCA
1 stop21h 39mUnited Airlines
Deal found 10/2$387
This United Airlines deal was found by Cheapflights users on 10/2. 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.
Sun 11/166:00 amIAD - POS
1 stop17h 23mUnited Airlines
Sat 11/221:30 amPOS - IAD
1 stop21h 43mUnited Airlines
Deal found 10/2$387
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Sat 12/65:00 amBWI - POS
2 stops9h 33mAmerican Airlines
Sun 12/74:33 pmPOS - BWI
1 stop8h 56mAmerican Airlines
Deal found 9/30$388
This American Airlines deal was found by Cheapflights users on 9/30. 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.
Fri 12/55:14 pmDCA - POS
1 stop21h 19mAmerican Airlines
Sun 12/74:33 pmPOS - DCA
1 stop9h 05mAmerican Airlines
Deal found 9/30$392

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 October 2, 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

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 12/5

8:15 am-12:23 am

1 stop15h 08m

Port of Spain Piarco Intl

Sat 12/6

1:30 am-11:32 am

1 stop11h 02m

$379

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Wed 11/26

6:00 am-12:23 am

1 stop17h 23m

Port of Spain Piarco Intl

Mon 12/1

1:30 am-11:32 am

1 stop11h 02m

$379

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Sun 11/16

6:00 am-12:23 am

1 stop17h 23m

Port of Spain Piarco Intl

Sat 11/22

1:30 am-8:45 pm

1 stop20h 15m

$379

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Thu 11/13

6:00 am-12:23 am

1 stop17h 23m

Port of Spain Piarco Intl

Mon 11/17

1:30 am-4:16 pm

1 stop15h 46m

$379

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Thu 11/13

6:00 am-12:23 am

1 stop17h 23m

Port of Spain Piarco Intl

Sun 11/16

1:30 am-8:51 pm

1 stop20h 21m

$379

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Thu 12/11

8:00 am-12:23 am

1 stop15h 23m

Port of Spain Piarco Intl

Mon 1/12

1:30 am-9:41 pm

2 stops21h 11m

$383

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Sun 11/16

6:00 am-12:23 am

1 stop17h 23m

Port of Spain Piarco Intl

Sat 11/22

1:30 am-10:13 pm

1 stop21h 43m

$387

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Thu 11/13

6:00 am-12:23 am

1 stop17h 23m

Port of Spain Piarco Intl

Sun 11/16

1:30 am-10:41 pm

1 stop22h 11m

$395

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Wed 10/22

6:29 am-11:23 pm

2 stops16h 54m

Port of Spain Piarco Intl

Mon 10/27

12:30 am-5:14 pm

2 stops16h 44m

$398

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Thu 11/6

6:15 am-12:23 am

2 stops17h 08m

Port of Spain Piarco Intl

Fri 11/14

1:30 am-9:25 pm

2 stops20h 55m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/1

Showing 1-10 of 60 results
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Compare providers for flights from Washington, D.C. to Port of Spain

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 Washington, D.C. to Port of Spain in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust 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 Washington, D.C.-Port of Spain flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Port of Spain flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Port of Spain flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Port of Spain 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 Washington, D.C.-Port of Spain 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 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 September 26, 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 October 2, 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 October 2, 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
7.6
Good
1,542 reviews

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.8

Entertainment

6.8

Comfort

7.4

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

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.8

Entertainment

6.8

Comfort

7.4

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
8,933 reviews
Copa Airlines
7.6
Good
1,542 reviews

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.8

Entertainment

6.8

Comfort

7.4

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
11,033 reviews
Copa Airlines
7.6
Good
1,542 reviews

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.8

Entertainment

6.8

Comfort

7.4

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
JetBlue
7.2
Good
2,911 reviews
Copa Airlines
7.6
Good
1,542 reviews

Food

6.8

Overall

7.6

Crew

8.1

Boarding

7.8

Entertainment

6.8

Comfort

7.4

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 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.

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

    United Airlines, Copa Airlines, and American Airlines can get you from Washington, D.C. to Port of Spain in just under 9h 24m. Your travel time can differ by up to 5h 44m. The distance between Washington, D.C. and Port of Spain is about 2195 mi. This flight may include one or multiple stops.

  • 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 42% 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 Air Canada, which is currently one of the cheapest options available, starting at $193. American Airlines flights start at $202 while deals on United Airlines start at $202 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. Dulles Intl - Port of Spain Piarco Intl. You may also consider Washington, D.C. Reagan-National - 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 Kaseya Center, Bayfront Park, and Wynwood Art District more than anywhere else. Kaseya Center, Bayfront Park, and Wynwood Art District can be visited by traveling about 6.2 mi, 6.4 mi, and 5.5 mi respectively from Miami. Travelers can rent a car at Miami for an average daily rate of $22 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.
Dulles Intl to Port of Spain flights
Reagan-National 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 October 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$291Average$474FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$323Average$527FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$354Average$631FlexibilityNo cancel feeOn-time71%

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