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$158+ 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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — POS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$378
(United Airlines)

One-way from

$158
(Copa Airlines)

Popular in

December

Cheapest in

January

Average price

$589
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 ($10 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This United Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 8/206:00 amBWI - POS
1 stop17h 23mUnited Airlines
Sun 8/2412:30 amPOS - BWI
1 stop11h 30mUnited Airlines
Deal found 6/11$378
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Sat 10/118:18 pmBWI - POS
2 stops17h 42mAmerican Airlines
Tue 10/288:00 amPOS - BWI
1 stop10h 16mAmerican Airlines
Deal found 6/12$383
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 9/167:45 pmDCA - POS
2 stops18h 31mAmerican Airlines
Tue 9/303:23 pmPOS - DCA
1 stop8h 36mAmerican Airlines
Deal found 6/11$383
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Tue 9/97:21 pmIAD - POS
2 stops18h 55mAmerican Airlines
Tue 9/233:23 pmPOS - IAD
2 stops22h 28mAmerican Airlines
Deal found 6/11$383
This Gotogate deal was found by Cheapflights users on 6/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/304:35 pmIAD - POS
1 stop9h 00mAir Canada
Thu 11/63:35 amPOS - IAD
1 stop13h 19mAir Canada
Deal found 6/11$385
This United Airlines deal was found by Cheapflights users on 6/10. 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 9/307:59 pmDCA - POS
1 stop27h 24mUnited Airlines
Sat 10/412:30 amPOS - DCA
1 stop20h 21mUnited Airlines
Deal found 6/10$387
This United Airlines deal was found by Cheapflights users on 6/11. 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 9/3010:45 amIAD - POS
1 stop12h 38mUnited Airlines
Sat 10/412:30 amPOS - IAD
1 stop10h 58mUnited Airlines
Deal found 6/11$388
This Copa Airlines deal was found by Cheapflights users on 6/10. 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.
Thu 10/234:34 pmIAD - POS
1 stop9h 14mCopa Airlines
Tue 10/284:01 amPOS - IAD
1 stop11h 10mCopa Airlines
Deal found 6/10$394
This Air Canada deal was found by Cheapflights users on 6/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/216:59 amDCA - POS
1 stop18h 26mAir Canada
Fri 10/102:25 amPOS - DCA
1 stop20h 09mAir Canada
Deal found 6/12$417
This JetBlue deal was found by Cheapflights users on 6/10. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/226:30 amDCA - POS
1 stop11h 34mJetBlue
Wed 7/308:50 amPOS - DCA
1 stop14h 09mJetBlue
Deal found 6/10$472
This Kiwi.com deal was found by Cheapflights users on 6/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/56:45 pmBWI - POS
1 stop23h 25mMultiple Airlines
Fri 7/1111:10 amPOS - BWI
1 stop18h 10mMultiple Airlines
Deal found 6/9$516
This Kiwi.com deal was found by Cheapflights users on 6/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/54:34 pmIAD - POS
1 stop20h 44mMultiple Airlines
Sun 8/1011:10 amPOS - IAD
2 stops25h 32mMultiple Airlines
Deal found 6/10$552

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 June 12, 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

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Wed 8/20

6:00 am-11:23 pm

1 stop17h 23m

Port of Spain Piarco Intl

Sun 8/24

12:30 am-12:00 pm

1 stop11h 30m

$378

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Sat 10/11

8:18 pm-2:00 pm

2 stops17h 42m

Port of Spain Piarco Intl

Tue 10/28

8:00 am-6:16 pm

1 stop10h 16m

$383

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Tue 9/9

7:45 pm-2:16 pm

2 stops18h 31m

Port of Spain Piarco Intl

Tue 9/30

3:23 pm-11:59 pm

1 stop8h 36m

$383

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Tue 9/9

7:21 pm-2:16 pm

2 stops18h 55m

Port of Spain Piarco Intl

Tue 9/23

3:23 pm-1:51 pm

2 stops22h 28m

$383

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Sat 8/9

8:20 am-11:23 pm

1 stop15h 03m

Port of Spain Piarco Intl

Fri 8/15

12:30 am-8:56 pm

1 stop20h 26m

$389

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Fri 7/4

8:35 am-11:23 pm

1 stop14h 48m

Port of Spain Piarco Intl

Tue 7/8

12:30 am-10:18 pm

1 stop21h 48m

$401

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Wed 8/13

4:34 pm-1:48 am

1 stop9h 14m

Port of Spain Piarco Intl

Mon 8/18

2:35 pm-12:29 am

1 stop9h 54m

$413

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 7/18

6:59 am-1:20 am

1 stop18h 21m

Port of Spain Piarco Intl

Mon 7/28

2:20 am-10:27 pm

1 stop20h 07m

$417

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Fri 7/18

10:20 am-1:20 am

1 stop15h 00m

Port of Spain Piarco Intl

Sun 7/27

2:20 am-1:42 pm

1 stop11h 22m

$417

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Tue 7/22

6:30 am-6:04 pm

1 stop11h 34m

Port of Spain Piarco Intl

Wed 7/30

8:50 am-10:59 pm

1 stop14h 09m

$472

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 29 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 June 9, 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 June 12, 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.

Rainfall in Port of Spain by month

Plan your trip to Port of Spain by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Port of Spain ranges from 1.2 - 9.8 inches per month. June is typically the wettest month, when rainfall can reach 9.8 in. March is typically the driest time to visit Port of Spain when rainfall is around 1.2 in.

Temperature in Port of Spain by month

Plan your trip to Port of Spain by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Port of Spain, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 77.0 F).

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 June 12, 2025.
Peruse reviews from past customers who have flown with Copa Airlines, United Airlines and JetBlue from Washington, D.C. to Port of Spain to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.5
Good
1,451 reviews

Crew

8.1

Overall

7.5

Boarding

7.8

Comfort

7.4

Food

6.8

Entertainment

6.8

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
1,451 reviews
Copa Airlines
7.5
Good
1,451 reviews

Crew

8.1

Overall

7.5

Boarding

7.8

Comfort

7.4

Food

6.8

Entertainment

6.8

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
8,790 reviews
Copa Airlines
7.5
Good
1,451 reviews

Crew

8.1

Overall

7.5

Boarding

7.8

Comfort

7.4

Food

6.8

Entertainment

6.8

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
7.3
Good
2,925 reviews
Copa Airlines
7.5
Good
1,451 reviews

Crew

8.1

Overall

7.5

Boarding

7.8

Comfort

7.4

Food

6.8

Entertainment

6.8

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.
Turkish Airlines
7.3
Good
3,848 reviews
Copa Airlines
7.5
Good
1,451 reviews

Crew

8.1

Overall

7.5

Boarding

7.8

Comfort

7.4

Food

6.8

Entertainment

6.8

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
1,451 reviews

Crew

8.1

Overall

7.5

Boarding

7.8

Comfort

7.4

Food

6.8

Entertainment

6.8

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?

    United Airlines, at $378, 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 Air Canada. Users have found that United Airlines is 32% 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 $158. Air Canada flights start at $185 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. 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 Bayside Marketplace more than anywhere else. Wynwood Art District, Bayfront Park, and Bayside Marketplace can be visited by traveling about 5.5 mi, 6.4 mi, and 6.4 mi respectively from Miami. Travelers can rent a car at Miami for an average daily rate of $21 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$311Average$520FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$323Average$536FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$355Average$626FlexibilityNo cancel feeOn-time71%

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