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Port of Spain

$149+ Cheap flights from Reagan-National (DCA) 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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — POS
févr. 11 — févr. 181
mer. 2/11
mer. 2/18
1 adult, Economy
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Cheap flight deals from Reagan-National to Port of Spain

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) 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 janvier 12, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$416
(Priceline)

One-way from

$149
(Expedia)

Popular in

December

Cheapest in

October

Average price

$573
Provider with most accurate pricing for Washington, D.C. Reagan-National-Port of Spain Piarco Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-Port of Spain Piarco Intl flights.
Search Deals
From Washington, D.C. Reagan-National to Port of Spain Piarco Intl
Search Deals
One-way flight from Washington, D.C. Reagan-National to Port of Spain Piarco Intl
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Highest demand for flights based on searches. 7% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Find flight deals from Reagan-National to Port of Spain

Cheapest flights from Reagan-National to Port of Spain
Explore the most affordable flight options available from Reagan-National to Port of Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on janvier 12, 2026.

This Air Canada deal was found by Cheapflights users on 1/12. 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.
sam. 10/2411:00 am
DCA
-
POS
1 stop14h 35m
Air Canada
jeu. 11/52:20 am
POS
-
DCA
1 stop18h 37m
Air Canada
Deal found 1/12$417
This Air Canada deal was found by Cheapflights users on 1/11. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 1/229:40 am
DCA
-
POS
1 stop14h 40m
Air Canada
ven. 1/302:20 am
POS
-
DCA
2 stops14h 13m
Air Canada
Deal found 1/11$421
This Air Canada deal was found by Cheapflights users on 1/12. 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.
mer. 1/148:40 pm
DCA
-
POS
1 stop27h 40m
Air Canada
ven. 1/162:20 am
POS
-
DCA
1 stop18h 25m
Air Canada
Deal found 1/12$427
This Expedia deal was found by Cheapflights users on 1/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 3/610:00 am
DCA
-
POS
2 stops20h 17m
JetBlue
lun. 3/98:05 am
POS
-
DCA
2 stops25h 01m
JetBlue
Deal found 1/12$429
This Air Canada deal was found by Cheapflights users on 1/12. 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.
mar. 1/136:00 am
DCA
-
POS
2 stops18h 20m
Air Canada
dim. 1/182:20 am
POS
-
DCA
2 stops34h 59m
Air Canada
Deal found 1/12$431
This Air Canada deal was found by Cheapflights users on 1/12. 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.
sam. 1/174:15 pm
DCA
-
POS
2 stops32h 05m
Air Canada
dim. 1/252:20 am
POS
-
DCA
2 stops14h 13m
Air Canada
Deal found 1/12$434
This Mytrip deal was found by Cheapflights users on 1/12. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 3/148:40 pm
DCA
-
POS
1 stop27h 40m
Air Canada
ven. 3/271:20 am
POS
-
DCA
1 stop21h 15m
Air Canada
Deal found 1/12$457
This Expedia deal was found by Cheapflights users on 1/11. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 2/288:40 pm
DCA
-
POS
1 stop27h 40m
Multiple Airlines
mar. 3/108:05 am
POS
-
DCA
2 stops23h 56m
Multiple Airlines
Deal found 1/11$459
This Air Canada deal was found by Cheapflights users on 1/12. 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.
ven. 2/66:59 am
DCA
-
POS
1 stop17h 21m
Air Canada
dim. 2/152:20 am
POS
-
DCA
1 stop18h 39m
Air Canada
Deal found 1/12$467

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National 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 janvier 12, 2026.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Port of Spain that are best for you.

Fly from

Reagan-National

Fly to

Port of Spain

Route

Depart

Return

Price

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

jeu. 3/26

6:59 am-12:20 am

1 stop17h 21m

Port of Spain Piarco Intl

jeu. 4/2

1:20 am-6:03 pm

1 stop16h 43m

$417

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

ven. 3/6

6:59 am-1:20 am

1 stop17h 21m

Port of Spain Piarco Intl

dim. 3/8

1:20 am-10:35 pm

1 stop21h 15m

$417

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

ven. 3/27

9:40 am-12:20 am

1 stop14h 40m

Port of Spain Piarco Intl

dim. 3/29

1:20 am-3:30 pm

2 stops14h 10m

$421

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

jeu. 7/9

8:40 pm-12:15 am

1 stop27h 35m

Port of Spain Piarco Intl

dim. 7/12

1:25 am-10:31 pm

1 stop21h 06m

$427

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

sam. 6/20

12:55 pm-12:15 am

2 stops35h 20m

Port of Spain Piarco Intl

lun. 6/29

1:25 am-12:00 pm

2 stops34h 35m

$427

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

mer. 6/10

11:00 am-12:15 am

1 stop13h 15m

Port of Spain Piarco Intl

ven. 6/19

1:25 am-12:00 pm

2 stops34h 35m

$427

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

mar. 3/3

6:59 am-1:20 am

1 stop17h 21m

Port of Spain Piarco Intl

ven. 3/6

2:20 am-11:19 am

2 stops33h 59m

$427

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

dim. 3/1

6:59 am-1:20 am

1 stop17h 21m

Port of Spain Piarco Intl

mar. 3/10

1:20 am-12:19 pm

2 stops34h 59m

$427

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

jeu. 5/14

8:40 pm-12:15 am

1 stop27h 35m

Port of Spain Piarco Intl

dim. 5/17

1:25 am-7:58 pm

1 stop18h 33m

$427

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

mar. 3/3

12:15 pm-7:17 am

2 stops18h 02m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/11

Showing 1-10 of 19 results
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Compare providers for flights from Reagan-National 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 Reagan-National to Port of Spain in January.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
JustAirTicketPrice Accuracy-Trust Score*1 star

*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. Reagan-National Airport-Port of Spain flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Reagan-National Airport-Port of Spain flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-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. Reagan-National Airport-Port of Spain flights, Cheapflights users trust eDreams the most. eDreams 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. Reagan-National Airport-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 Reagan-National to Port of Spain

Have a flexible travel schedule? Discover the best time to fly to Port of Spain from Reagan-National 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. Reagan-National Airport to Port of Spain

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

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Port of Spain. Price data was last updated on January 9, 2026.

The price you pay for your flight from Washington, D.C. Reagan-National Airport to Port of Spain may vary depending on when you book. For the best chance of a lower fare, look to book 52 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. Reagan-National Airport to Port of Spain?

Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Port of Spain (average of $361). Flying from Washington, D.C. Reagan-National Airport to Port of Spain in May is currently the most expensive (average of $415). 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.

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 janvier 12, 2026.
Get a feel of what it's like to fly with United Airlines and American Airlines from Washington, D.C. Reagan-National Airport to Port of Spain by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,149 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
United Airlines
7.4
Good
9,149 reviews
United Airlines
7.4
Good
9,149 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family
American Airlines
7.2
Good
11,114 reviews
United Airlines
7.4
Good
9,149 reviews

Crew

8.1

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Dane,Jan 2026

TYS - IAD

It was a short flight, so no time for amenities. Just glad everything was quick and easy from boarding to arriving at my destination with my family

Related info for your journey

Find useful and relevant information for your journey from Reagan-National 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. Reagan-National?

    Located just 12.6 mi from the city center, Port of Spain Piarco Intl is the airport most travelers will use when flying to Port of Spain from Washington, D.C. Reagan-National. Booking flights from Washington, D.C. Reagan-National to Piarco Intl (POS) should be relatively easy as there are 0 daily inbound flights from Washington, D.C. Reagan-National from 2 different airlines.

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

    Departing from Washington, D.C. Reagan-National Airport to Port of Spain will take you 17h 21m. The distance from Washington, D.C. Reagan-National Airport to Port of Spain is about 2178 mi.

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

    Flying on American Airlines is currently your cheapest option to Port of Spain, with prices starting at $378. Another option worth looking into is United Airlines, starting at $378 round trip. American Airlines is 37% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from Reagan-National to Port of Spain that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Port of Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National 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 Reagan-National to Port of Spain.

  • Can I find deals for business class flights from Reagan-National to Port of Spain?

    Yes. Cheapflights offers flight deals from Reagan-National 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. Reagan-National Airport to Port of Spain?

    Currently, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Port of Spain (average of $361). Flying from Washington, D.C. Reagan-National Airport to Port of Spain in May is currently the most expensive (average of $415). 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 Reagan-National 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
Baltimore to Port of Spain flights
Reagan-National to Scarborough flights
Baltimore to Scarborough flights
Dulles Intl to Scarborough flights

Top 2 airlines flying from Reagan-National to Port of Spain

Discover the top 2 airlines that operate flights from Reagan-National 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 janvier 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$378Average$495FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$378Average$574FlexibilityNo cancel feeOn-time71%

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