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 $347. Another option worth looking into is United Airlines, starting at $378 round trip. American Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

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.

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).

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.

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.

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.

$169+ Flights from Washington, D.C. Reagan-National Airport to Port of Spain

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Port of Spain Piarco Intl are usually found in October or January, booked 68 days in advance, depart on a Saturday or Wednesday and return on a Thursday

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 December 2, 2025.

Fri 12/56:00 amDCA - POS

2 stops18h 10mAir Canada

Sun 12/72:15 amPOS - DCA

1 stop18h 30mAir Canada

Deal found 11/30

$423

Wed 12/38:40 pmDCA - POS

1 stop27h 30mAir Canada

Tue 1/132:20 amPOS - DCA

1 stop21h 15mAir Canada

Deal found 11/30

$433

Mon 12/14:10 pmDCA - POS

2 stops32h 00mAir Canada

Tue 1/132:20 amPOS - DCA

2 stops14h 11mAir Canada

Deal found 11/30

$438

Wed 12/312:55 pmDCA - POS

2 stops35h 15mAir Canada

Tue 3/171:20 amPOS - DCA

1 stop16h 45mAir Canada

Deal found 12/2

$443

Mon 12/812:55 pmDCA - POS

2 stops35h 15mAir Canada

Thu 12/112:15 amPOS - DCA

2 stops44h 41mAir Canada

Deal found 12/1

$446

Fri 12/56:00 amDCA - POS

2 stops18h 10mAir Canada

Tue 3/171:20 amPOS - DCA

2 stops20h 38mAir Canada

Deal found 12/2

$450

Mon 12/18:40 pmDCA - POS

1 stop27h 30mAir Canada

Thu 12/42:15 amPOS - DCA

2 stops14h 16mAir Canada

Deal found 11/30

$457

Wed 12/312:55 pmDCA - POS

2 stops35h 15mAir Canada

Thu 3/191:20 amPOS - DCA

1 stop16h 45mAir Canada

Deal found 12/2

$473

Thu 12/49:40 amDCA - POS

1 stop14h 30mAir Canada

Sun 3/221:20 amPOS - DCA

2 stops20h 38mAir Canada

Deal found 12/2

$476

Wed 12/1012:55 pmDCA - POS

2 stops35h 15mAir Canada

Tue 12/162:15 amPOS - DCA

1 stop16h 50mAir Canada

Deal found 12/2

$493

Best flights from Reagan-National to Port of Spain
Discover carefully curated flight deals from Reagan-National to Port of Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 2, 2025.

Sat 12/611:05 amDCA - POS

2 stops37h 05mAir Canada

Tue 1/132:20 amPOS - DCA

2 stops20h 36mAir Canada

Deal found 11/30

$433

Fri 1/305:00 amDCA - POS

1 stop9h 25mAmerican Airlines

Fri 2/135:58 pmPOS - DCA

1 stop16h 11mAmerican Airlines

Deal found 11/30

$509

Wed 1/76:55 pmDCA - POS

2 stops23h 16mJetBlue

Tue 1/138:20 amPOS - DCA

2 stops14h 25mJetBlue

Deal found 12/1

$511

Wed 1/284:28 pmDCA - POS

1 stop30h 55mUnited Airlines

Wed 2/251:30 amPOS - DCA

1 stop20h 26mUnited Airlines

Deal found 12/2

$518

Fri 1/306:00 amDCA - POS

2 stops18h 20mAir Canada

Thu 2/122:20 amPOS - DCA

2 stops33h 03mAir Canada

Deal found 11/30

$438

Sat 1/174:15 pmDCA - POS

2 stops32h 05mAir Canada

Sun 1/252:20 amPOS - DCA

1 stop16h 45mAir Canada

Deal found 12/2

$446

Fri 1/3010:00 amDCA - POS

2 stops11h 48mAmerican Airlines

Tue 3/34:40 pmPOS - DCA

1 stop8h 59mAmerican Airlines

Deal found 12/2

$513

Sat 1/174:15 pmDCA - POS

2 stops32h 05mAir Canada

Thu 1/222:20 amPOS - DCA

2 stops20h 38mAir Canada

Deal found 12/2

$450

Sat 1/178:20 amDCA - POS

1 stop13h 28mAmerican Airlines

Fri 1/234:30 pmPOS - DCA

1 stop17h 30mAmerican Airlines

Deal found 12/1

$529

Last-minute flights from Reagan-National to Port of Spain
Discover last-minute flight deals from Reagan-National to Port of Spain. Data last updated December 2, 2025 and is based on user searches.

Mon 12/14:10 pmDCA - POS

2 stops32h 00mAir Canada

Tue 1/132:20 amPOS - DCA

2 stops14h 11mAir Canada

Deal found 11/30

$438

Wed 12/38:40 pmDCA - POS

1 stop27h 30mAir Canada

Tue 1/132:20 amPOS - DCA

1 stop21h 15mAir Canada

Deal found 11/30

$433

Sat 1/176:50 pmDCA - POS

1 stop29h 30mAir Canada

Thu 1/222:20 amPOS - DCA

1 stop18h 25mAir Canada

Deal found 12/2

$443

Sat 1/174:15 pmDCA - POS

2 stops32h 05mAir Canada

Sun 1/252:20 amPOS - DCA

1 stop16h 45mAir Canada

Deal found 12/2

$446

Mon 1/198:55 pmDCA - POS

2 stops20h 46mJetBlue

Fri 1/238:20 amPOS - DCA

2 stops11h 29mJetBlue

Deal found 11/30

$376

Thu 1/229:40 amDCA - POS

1 stop14h 40mAir Canada

Sun 1/252:20 amPOS - DCA

1 stop18h 25mAir Canada

Deal found 12/1

$385

One-way flights from Reagan-National to Port of Spain
Search for one-way flight options from Reagan-National to Port of Spain. Find affordable one-way fares based on user searches. Data last updated December 2, 2025.

Tue 2/39:40 amDCA - POS

1 stop14h 40mAir Canada

Deal found 12/2

$169

Sat 12/66:00 amDCA - POS

2 stops42h 10mAir Canada

Deal found 11/30

$193

Wed 12/246:15 amDCA - POS

1 stop7h 15mJetBlue

Deal found 11/30

$196

Sat 1/318:40 pmDCA - POS

1 stop27h 40mAir Canada

Deal found 12/2

$198

Tue 12/236:15 amDCA - POS

1 stop7h 16mJetBlue

Deal found 11/30

$204

Mon 12/85:59 pmDCA - POS

2 stops21h 05mJetBlue

Deal found 11/30

$234

Fri 12/126:59 amDCA - POS

1 stop17h 11mAir Canada

Deal found 12/1

$248

Fri 2/136:59 amDCA - POS

1 stop17h 21mAir Canada

Deal found 12/1

$281

Find flight deals from Reagan-National to Port of Spain

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$376 (Expedia)
One-way from	$169 (Air Canada)
Popular in	June
Cheapest in	October
Average price	$811

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. 11% potential increase in price ($74 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 5% potential price decrease ($30 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Sat 12/6

11:05 am-1:10 am

2 stops37h 05m

Port of Spain Piarco Intl

Tue 1/13

2:20 am-9:56 pm

2 stops20h 36m

$433

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 1/30

6:00 am-1:20 am

2 stops18h 20m

Port of Spain Piarco Intl

Thu 2/12

2:20 am-10:23 am

2 stops33h 03m

$438

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Sat 1/17

4:15 pm-1:20 am

2 stops32h 05m

Port of Spain Piarco Intl

Sun 1/25

2:20 am-6:05 pm

1 stop16h 45m

$446

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Sat 1/17

4:15 pm-1:20 am

2 stops32h 05m

Port of Spain Piarco Intl

Thu 1/22

2:20 am-9:58 pm

2 stops20h 38m

$450

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 1/30

5:00 am-3:25 pm

1 stop9h 25m

Port of Spain Piarco Intl

Fri 2/13

5:58 pm-9:09 am

1 stop16h 11m

$509

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Wed 1/7

6:55 pm-7:11 pm

2 stops23h 16m

Port of Spain Piarco Intl

Tue 1/13

8:20 am-9:45 pm

2 stops14h 25m

$511

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 1/30

10:00 am-10:48 pm

2 stops11h 48m

Port of Spain Piarco Intl

Tue 3/3

4:40 pm-12:39 am

1 stop8h 59m

$513

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Wed 1/28

4:28 pm-12:23 am

1 stop30h 55m

Port of Spain Piarco Intl

Wed 2/25

1:30 am-8:56 pm

1 stop20h 26m

$518

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Sat 1/17

8:20 am-10:48 pm

1 stop13h 28m

Port of Spain Piarco Intl

Fri 1/23

4:30 pm-9:00 am

1 stop17h 30m

$529

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 2/27

9:40 am-1:20 am

1 stop14h 40m

$169

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 15 results

Compare providers for flights from Reagan-National to Port of Spain

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 December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust 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. 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?

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 66 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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Port of Spain (average of $346). Flying from Washington, D.C. Reagan-National Airport to Port of Spain in June is currently the most expensive (average of $411). 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 DCA to POS?

A simple way to save on the total cost of your ticket is to fly from Washington, D.C. Reagan-National Airport to Port of Spain in the evening. If you’re flexible enough to do this you can expect to save up to 8% on your trip compared to booking a flight in the morning.

Reviews of airlines servicing Port of Spain

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

9,063 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

United Airlines

7.4

Good

9,063 reviews

United Airlines

7.4

Good

9,063 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

American Airlines

7.2

Good

11,044 reviews

United Airlines

7.4

Good

9,063 reviews

Reviews

1 / 20

2.0

Mediocre

Sebrena,Oct 2025

IAH - RSW

The worst that I have ever experienced in my life so bad if it was free I'm not ever going to use your Airline again I dont believe ..... very disappointed 😞 😔0000000000000

Related info for your journey

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 37h 05m. 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 $347. Another option worth looking into is United Airlines, starting at $378 round trip. American Airlines is 41% 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, February is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Port of Spain (average of $346). Flying from Washington, D.C. Reagan-National Airport to Port of Spain in June is currently the most expensive (average of $411). 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

Browse thousands of different options on Cheapflights for your next trip

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

Airline	Cheapest	Average	Flexibility	On-time
American Airlines	Cheapest$347	Average$547	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$378	Average$492	FlexibilityNo cancel fee	On-time69%

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$169+ 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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Reagan-National to Port of Spain with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Port of Spain Piarco Intl are usually found in October or January, booked 68 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap flight deals from Reagan-National to Port of Spain

Cheapest flights from Reagan-National to Port of SpainExplore 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 December 2, 2025.

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 December 2, 2025.

Find flight deals from Reagan-National to Port of Spain

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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.

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 December.

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.

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?

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

What is the cheapest time of day to fly from DCA to POS?

Reviews of airlines servicing Port of Spain

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.

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?

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

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

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

How can I 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?

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Reagan-National to Port of Spain

See prices for flight routes from nearby airports that may be better suited for you.

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

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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 December 2, 2025.