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 $356. Another option worth looking into is United Airlines, starting at $376 round trip. American Airlines is 41% cheaper than the average price of flights available within the next 90 days to this destination.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to Port of Spain?

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to Port of Spain flight should consider departing on Wednesday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

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).

What is the cheapest day to fly round-trip from Washington, D.C. Reagan-National Airport to Port of Spain?

Flying to your destination on a Monday can be more expensive, but this shouldn’t discourage you from finding affordable options to get to Port of Spain. Check prices with Cheapflights to find a great deal for your trip.

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

The best pricing can be found in the month of January. Prices to Port of Spain from Washington, D.C. Reagan-National Airport average $547. You can even find prices in January for less than $547, as users have found deals to Port of Spain from as low as $339. The month of December appears to be one of the more expensive times to travel to Port of Spain from Washington, D.C. Reagan-National Airport. Flying in the targeted month can save you up to 18%.

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.

$188+ Flights from Washington, D.C. Reagan-National Airport to Port of Spain

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

Users have found that booking a flight from Washington, D.C. Reagan-National Airport to Port of Spain at least 46 days early can save you up to 34% on average compared to booking a flight this week. If booking 46 days before your flight isn’t an option for you, users have found flights from Washington, D.C. Reagan-National Airport to Port of Spain for as little as $421 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $421 for flights departing within the next 3 days.

Home Search by date Vacation packages Hotels Flight deals Car rental Travel tips & news

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

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to Port of Spain Piarco Intl are usually found in January or April, booked 61 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap flight deals from Reagan-National to Port of Spain

Round-trip from	$378 (American Airlines)
One-way from	$188 (Air Canada)
Popular in	June
Cheapest in	January
Average price	$499

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. 9% potential increase in price ($62 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($28 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in August 2025

Search Deals

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 agosto 18, 2025.

mar. 9/235:05 amDCA - POS

1 stop9h 11mAmerican Airlines

lun. 10/63:25 pmPOS - DCA

1 stop17h 01mAmerican Airlines

Deal found 8/17

$378

mié. 10/221:38 pmDCA - POS

1 stop7h 42mAmerican Airlines

mar. 10/287:00 amPOS - DCA

1 stop14h 27mAmerican Airlines

Deal found 8/17

$393

vie. 9/128:07 pmDCA - POS

1 stop18h 09mAmerican Airlines

mar. 9/163:25 pmPOS - DCA

2 stops16h 34mAmerican Airlines

Deal found 8/17

$398

mar. 10/1411:15 amDCA - POS

2 stops10h 05mAmerican Airlines

dom. 10/193:25 pmPOS - DCA

1 stop17h 01mAmerican Airlines

Deal found 8/17

$403

mar. 9/166:00 amDCA - POS

1 stop8h 16mAmerican Airlines

jue. 9/183:25 pmPOS - DCA

1 stop8h 34mAmerican Airlines

Deal found 8/17

$408

vie. 9/129:40 amDCA - POS

2 stops15h 40mAir Canada

lun. 9/152:25 amPOS - DCA

2 stops13h 26mAir Canada

Deal found 8/17

$423

sáb. 9/204:35 pmDCA - POS

2 stops32h 45mAir Canada

dom. 10/52:25 amPOS - DCA

2 stops19h 26mAir Canada

Deal found 8/17

$433

jue. 10/231:36 pmDCA - POS

1 stop7h 44mAmerican Airlines

mar. 10/287:00 amPOS - DCA

1 stop16h 59mAmerican Airlines

Deal found 8/17

$443

vie. 9/196:00 amDCA - POS

2 stops19h 20mAir Canada

lun. 9/222:25 amPOS - DCA

2 stops13h 26mAir Canada

Deal found 8/17

$452

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 agosto 18, 2025.

lun. 9/158:07 pmDCA - POS

1 stop18h 09mAmerican Airlines

lun. 9/223:25 pmPOS - DCA

1 stop17h 37mAmerican Airlines

Deal found 8/18

$378

mar. 10/2811:00 amDCA - POS

1 stop12h 23mUnited Airlines

mar. 11/41:30 amPOS - DCA

1 stop18h 12mUnited Airlines

Deal found 8/16

$378

sáb. 9/205:05 amDCA - POS

1 stop9h 11mAmerican Airlines

lun. 10/63:25 pmPOS - DCA

1 stop17h 01mAmerican Airlines

Deal found 8/16

$378

jue. 10/166:00 amDCA - POS

1 stop15h 20mAmerican Airlines

mié. 10/297:00 amPOS - DCA

1 stop16h 06mAmerican Airlines

Deal found 8/18

$378

mar. 9/235:05 amDCA - POS

1 stop9h 11mAmerican Airlines

mar. 9/303:25 pmPOS - DCA

1 stop8h 34mAmerican Airlines

Deal found 8/16

$378

jue. 9/255:05 amDCA - POS

1 stop9h 11mAmerican Airlines

lun. 9/293:25 pmPOS - DCA

1 stop17h 37mAmerican Airlines

Deal found 8/16

$378

vie. 9/198:07 pmDCA - POS

1 stop18h 09mAmerican Airlines

sáb. 10/43:25 pmPOS - DCA

1 stop8h 34mAmerican Airlines

Deal found 8/16

$378

vie. 9/198:07 pmDCA - POS

1 stop18h 09mAmerican Airlines

mar. 9/233:25 pmPOS - DCA

1 stop8h 34mAmerican Airlines

Deal found 8/17

$378

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 agosto 18, 2025 and is based on user searches.

vie. 9/56:59 amDCA - POS

1 stop18h 21mAir Canada

lun. 9/82:25 amPOS - DCA

1 stop15h 39mAir Canada

Deal found 8/18

$473

vie. 9/125:05 amDCA - POS

1 stop9h 11mAmerican Airlines

mar. 9/163:25 pmPOS - DCA

1 stop17h 37mAmerican Airlines

Deal found 8/17

$393

vie. 9/129:40 amDCA - POS

2 stops15h 40mAir Canada

lun. 9/152:25 amPOS - DCA

2 stops13h 26mAir Canada

Deal found 8/17

$423

mar. 9/166:00 amDCA - POS

1 stop8h 16mAmerican Airlines

jue. 9/183:25 pmPOS - DCA

1 stop17h 37mAmerican Airlines

Deal found 8/18

$408

vie. 9/196:00 amDCA - POS

2 stops19h 20mAir Canada

lun. 9/222:25 amPOS - DCA

2 stops13h 26mAir Canada

Deal found 8/17

$452

vie. 9/197:45 pmDCA - POS

2 stops18h 31mAmerican Airlines

mar. 9/233:25 pmPOS - DCA

2 stops17h 35mAmerican Airlines

Deal found 8/18

$482

sáb. 9/204:35 pmDCA - POS

2 stops32h 45mAir Canada

dom. 10/52:25 amPOS - DCA

2 stops19h 26mAir Canada

Deal found 8/17

$433

mar. 9/235:05 amDCA - POS

1 stop9h 11mAmerican Airlines

lun. 10/63:25 pmPOS - DCA

1 stop17h 01mAmerican Airlines

Deal found 8/17

$378

jue. 9/255:00 amDCA - POS

2 stops9h 16mAmerican Airlines

lun. 9/293:25 pmPOS - DCA

2 stops17h 35mAmerican Airlines

Deal found 8/16

$448

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 agosto 18, 2025.

vie. 9/196:59 amDCA - POS

1 stop18h 21mAir Canada

Deal found 8/16

$188

jue. 10/29:40 amDCA - POS

2 stops39h 40mAir Canada

Deal found 8/16

$193

mar. 9/166:19 amDCA - POS

1 stop8h 15mJetBlue

Deal found 8/16

$224

vie. 12/126:00 amDCA - POS

2 stops18h 10mAir Canada

Deal found 8/16

$243

mié. 9/1712:50 pmDCA - POS

1 stop10h 33mUnited Airlines

Deal found 8/16

$257

mar. 8/266:00 amDCA - POS

1 stop15h 36mAmerican Airlines

Deal found 8/18

$262

vie. 8/297:59 pmDCA - POS

1 stop27h 24mUnited Airlines

Deal found 8/15

$288

lun. 8/256:00 amDCA - POS

1 stop17h 23mUnited Airlines

Deal found 8/15

$317

mié. 9/35:00 amDCA - POS

2 stops9h 16mAmerican Airlines

Deal found 8/18

$332

jue. 8/282:59 pmDCA - POS

1 stop32h 24mUnited Airlines

Deal found 8/16

$334

mar. 12/166:00 amDCA - POS

2 stops18h 10mAir Canada

Deal found 8/16

$338

jue. 8/2812:55 pmDCA - POS

2 stops36h 30mAir Canada

Deal found 8/18

$343

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

lun. 9/15

8:07 pm-2:16 pm

1 stop18h 09m

Port of Spain Piarco Intl

lun. 9/22

3:25 pm-9:02 am

1 stop17h 37m

$378

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

mar. 10/28

11:00 am-11:23 pm

1 stop12h 23m

Port of Spain Piarco Intl

mar. 11/4

1:30 am-6:42 pm

1 stop18h 12m

$378

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

sáb. 9/20

5:05 am-2:16 pm

1 stop9h 11m

Port of Spain Piarco Intl

lun. 10/6

3:25 pm-8:26 am

1 stop17h 01m

$378

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

jue. 10/16

6:00 am-9:20 pm

1 stop15h 20m

Port of Spain Piarco Intl

mié. 10/29

7:00 am-11:06 pm

1 stop16h 06m

$378

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

mar. 9/23

5:05 am-2:16 pm

1 stop9h 11m

Port of Spain Piarco Intl

mar. 9/30

3:25 pm-11:59 pm

1 stop8h 34m

$378

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

jue. 9/25

5:05 am-2:16 pm

1 stop9h 11m

Port of Spain Piarco Intl

lun. 9/29

3:25 pm-9:02 am

1 stop17h 37m

$378

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

vie. 9/19

8:07 pm-2:16 pm

1 stop18h 09m

Port of Spain Piarco Intl

sáb. 10/4

3:25 pm-11:59 pm

1 stop8h 34m

$378

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

vie. 9/19

8:07 pm-2:16 pm

1 stop18h 09m

Port of Spain Piarco Intl

mar. 9/23

3:25 pm-11:59 pm

1 stop8h 34m

$378

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

vie. 9/19

6:59 am-1:20 am

1 stop18h 21m

$188

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

lun. 9/22

11:00 am-1:20 am

1 stop14h 20m

$193

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 16 results

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 61 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, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Port of Spain (average of $435). Flying from Washington, D.C. Reagan-National Airport 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 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 9% 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

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

United Airlines

7.4

Good

8,925 reviews

United Airlines

7.4

Good

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,925 reviews

Reviews

1 / 20

4.0

Okay

Thomas,Mar 2025

SFO - TPE

When I asked for an extra snack, I got an unhappy look from the stewardess. Geez, does one extra snack really affect the bottom line??

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 18h 09m. 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 $356. Another option worth looking into is United Airlines, starting at $376 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, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to Port of Spain (average of $435). Flying from Washington, D.C. Reagan-National Airport 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

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$356	Average$577	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$376	Average$497	FlexibilityNo cancel fee	On-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

$188+ 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 9/19. 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 January or April, booked 61 days in advance, depart on a Saturday or Wednesday and return on a Thursday

Cheap flight deals from Reagan-National to Port of Spain

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find 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 agosto 18, 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 agosto 18, 2025.

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.

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?

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 August 8, 2025.

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?

Find hourly flight availability from Reagan-National 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 agosto 18, 2025.

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

100% Free

Book with Flexibility

Travel Smart

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 agosto 18, 2025.