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Port of Spain

$155+ 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
feb. 28 — mar. 71
sáb. 2/28
sáb. 3/7
1 adult, Economy
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Cheap 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 enero 29, 2026.

This Air Canada deal was found by Cheapflights users on 1/28. 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.
dom. 3/296:00 am
DCA
-
POS
2 stops18h 20m
Air Canada
vie. 4/171:20 am
POS
-
DCA
1 stop18h 33m
Air Canada
Deal found 1/28$361
This Air Canada deal was found by Cheapflights users on 1/28. 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.
vie. 3/69:40 am
DCA
-
POS
1 stop14h 40m
Air Canada
vie. 3/131:20 am
POS
-
DCA
2 stops34h 59m
Air Canada
Deal found 1/28$368
This FlightHub deal was found by Cheapflights users on 1/28. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 2/258:40 pm
DCA
-
POS
1 stop27h 40m
Air Canada
mar. 3/32:20 am
POS
-
DCA
2 stops14h 11m
Air Canada
Deal found 1/28$371
This Mytrip deal was found by Cheapflights users on 1/28. 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.
lun. 3/304:10 pm
DCA
-
POS
2 stops32h 10m
Air Canada
jue. 4/161:20 am
POS
-
DCA
2 stops14h 10m
Air Canada
Deal found 1/28$389
This Air Canada deal was found by Cheapflights users on 1/28. 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.
dom. 4/196:59 am
DCA
-
POS
1 stop17h 21m
Air Canada
lun. 5/181:25 am
POS
-
DCA
1 stop18h 33m
Air Canada
Deal found 1/28$408
This Orbitz deal was found by Cheapflights users on 1/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 3/77:00 am
DCA
-
POS
2 stops23h 17m
JetBlue
mié. 3/118:05 am
POS
-
DCA
1 stop14h 54m
JetBlue
Deal found 1/26$411
This Air Canada deal was found by Cheapflights users on 1/28. 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.
dom. 4/1911:05 am
DCA
-
POS
2 stops13h 15m
Air Canada
dom. 5/171:25 am
POS
-
DCA
2 stops14h 14m
Air Canada
Deal found 1/28$414
This Air Canada deal was found by Cheapflights users on 1/28. 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.
sáb. 2/288:40 pm
DCA
-
POS
1 stop27h 40m
Air Canada
mar. 3/101:20 am
POS
-
DCA
1 stop31h 35m
Air Canada
Deal found 1/28$418

Find 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 enero 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$361
(Air Canada)

One-way from

$155
(Air Canada)

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
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 enero 29, 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

lun. 3/30

12:55 pm-12:20 am

2 stops35h 25m

Port of Spain Piarco Intl

jue. 4/16

1:20 am-7:53 pm

1 stop18h 33m

$368

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

mié. 2/25

8:40 pm-1:20 am

1 stop27h 40m

Port of Spain Piarco Intl

mar. 3/3

2:20 am-7:45 pm

1 stop18h 25m

$368

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

sáb. 3/7

8:40 pm-12:20 am

1 stop26h 40m

Port of Spain Piarco Intl

vie. 3/13

1:20 am-12:19 pm

2 stops34h 59m

$368

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

dom. 3/8

9:40 am-12:20 am

1 stop14h 40m

Port of Spain Piarco Intl

dom. 3/15

1:20 am-3:31 pm

2 stops14h 11m

$371

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

dom. 4/19

6:59 am-12:20 am

1 stop17h 21m

Port of Spain Piarco Intl

lun. 5/18

1:25 am-7:58 pm

1 stop18h 33m

$408

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

dom. 4/19

11:05 am-12:20 am

2 stops13h 15m

Port of Spain Piarco Intl

dom. 5/17

1:25 am-3:39 pm

2 stops14h 14m

$414

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

sáb. 4/18

8:40 pm-12:20 am

1 stop27h 40m

Port of Spain Piarco Intl

dom. 5/17

1:25 am-7:58 pm

1 stop18h 33m

$418

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

mar. 3/3

11:05 am-1:20 am

2 stops13h 15m

$159

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

dom. 4/26

9:40 am-12:20 am

1 stop14h 40m

$160

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

mar. 4/28

6:59 am-12:20 am

1 stop17h 21m

$160

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/29

Showing 1-10 of 17 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 Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*2 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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Reagan-National Airport-Port of Spain flight deals on Cheapflights vs. FlightHub >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 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. 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 23, 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 $420). 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.

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport 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 enero 29, 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
9,215 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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
11,205 reviews
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Food

6.6

Overall

7.4

Boarding

7.7

Entertainment

7.1

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 35h 25m. 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 United Airlines is currently your cheapest option to Port of Spain, with prices starting at $378. Another option worth looking into is American Airlines, starting at $378 round trip. United 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 $420). 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
Dulles Intl to Scarborough flights
Baltimore 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 enero 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$378Average$496FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$378Average$576FlexibilityNo cancel feeOn-time71%

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