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 $395. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $439 and $478, respectively. American Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Port of Spain one-way?

To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $195. American Airlines flights start at $202 while deals on JetBlue start at $252 one-way.

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 $564. You can even find prices in January for less than $564, 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.

$195+ 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 54% 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 $482 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 $498 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 October, 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	$395 (American Airlines)
One-way from	$195 (Air Canada)
Popular in	July
Cheapest in	January
Average price	$854

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. 15% potential increase in price ($110 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($21 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in July 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 July 3, 2025.

Tue 7/295:00 amDCA - POS

1 stop16h 45mAmerican Airlines

Wed 9/33:25 pmPOS - DCA

1 stop8h 34mAmerican Airlines

Deal found 7/2

$395

Fri 7/1811:00 amDCA - POS

1 stop14h 20mAir Canada

Mon 7/282:20 amPOS - DCA

1 stop17h 22mAir Canada

Deal found 7/2

$439

Fri 8/2211:00 amDCA - POS

1 stop12h 23mUnited Airlines

Sat 8/3012:30 amPOS - DCA

1 stop20h 23mUnited Airlines

Deal found 6/30

$478

Wed 7/236:30 amDCA - POS

1 stop11h 34mJetBlue

Sat 7/261:20 pmPOS - DCA

1 stop9h 39mJetBlue

Deal found 7/2

$502

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 July 3, 2025.

Tue 7/295:00 amDCA - POS

1 stop16h 45mAmerican Airlines

Wed 9/33:25 pmPOS - DCA

1 stop8h 34mAmerican Airlines

Deal found 7/2

$395

Fri 7/1811:00 amDCA - POS

1 stop14h 20mAir Canada

Mon 7/282:20 amPOS - DCA

1 stop17h 22mAir Canada

Deal found 7/2

$439

Fri 8/2211:00 amDCA - POS

1 stop12h 23mUnited Airlines

Sat 8/3012:30 amPOS - DCA

1 stop20h 23mUnited Airlines

Deal found 6/30

$478

Wed 7/236:30 amDCA - POS

1 stop11h 34mJetBlue

Sat 7/261:20 pmPOS - DCA

1 stop9h 39mJetBlue

Deal found 7/2

$502

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 July 3, 2025 and is based on user searches.

Tue 7/86:30 amDCA - POS

1 stop11h 34mJetBlue

Mon 7/288:50 amPOS - DCA

1 stop14h 09mJetBlue

Deal found 7/1

$605

Tue 7/811:05 amDCA - POS

1 stop12h 18mUnited Airlines

Mon 7/2812:30 amPOS - DCA

1 stop11h 16mUnited Airlines

Deal found 7/2

$650

Tue 7/88:40 pmDCA - POS

3 stops23h 10mMultiple Airlines

Sun 7/272:20 amPOS - DCA

1 stop30h 37mMultiple Airlines

Deal found 7/1

$736

Thu 7/108:40 pmDCA - POS

1 stop28h 40mAir Canada

Mon 7/282:20 amPOS - DCA

1 stop30h 37mAir Canada

Deal found 7/1

$499

Thu 7/106:59 amDCA - POS

1 stop14h 46mAmerican Airlines

Sun 7/133:05 pmPOS - DCA

1 stop18h 08mAmerican Airlines

Deal found 7/2

$585

Fri 7/186:59 amDCA - POS

1 stop18h 21mAir Canada

Mon 7/282:20 amPOS - DCA

1 stop17h 22mAir Canada

Deal found 7/1

$439

Wed 7/236:30 amDCA - POS

1 stop11h 34mJetBlue

Sat 7/261:20 pmPOS - DCA

1 stop9h 39mJetBlue

Deal found 7/2

$502

Tue 7/295:00 amDCA - POS

1 stop16h 45mAmerican Airlines

Wed 9/33:25 pmPOS - DCA

1 stop8h 34mAmerican Airlines

Deal found 7/2

$395

Fri 8/2211:00 amDCA - POS

1 stop12h 23mUnited Airlines

Sat 8/3012:30 amPOS - DCA

1 stop20h 23mUnited Airlines

Deal found 6/30

$478

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 July 3, 2025.

Sun 8/36:59 amDCA - POS

1 stop18h 21mAir Canada

Deal found 7/2

$195

Wed 8/68:20 amDCA - POS

1 stop13h 16mAmerican Airlines

Deal found 7/3

$202

Tue 7/226:30 amDCA - POS

1 stop11h 34mJetBlue

Deal found 7/2

$252

Fri 8/155:35 pmDCA - POS

2 stops20h 50mBritish Airways

Deal found 7/1

$284

Tue 7/88:40 pmDCA - POS

3 stops23h 10mMultiple Airlines

Deal found 7/1

$428

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

Tue 7/29

5:00 am-9:45 pm

1 stop16h 45m

Port of Spain Piarco Intl

Wed 9/3

3:25 pm-11:59 pm

1 stop8h 34m

$395

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 7/18

11:00 am-1:20 am

1 stop14h 20m

Port of Spain Piarco Intl

Mon 7/28

2:20 am-7:42 pm

1 stop17h 22m

$439

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 8/22

11:00 am-11:23 pm

1 stop12h 23m

Port of Spain Piarco Intl

Sat 8/30

12:30 am-8:53 pm

1 stop20h 23m

$478

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Wed 7/23

6:30 am-6:04 pm

1 stop11h 34m

Port of Spain Piarco Intl

Sat 7/26

1:20 pm-10:59 pm

1 stop9h 39m

$502

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Sun 8/3

6:59 am-1:20 am

1 stop18h 21m

$195

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Wed 8/6

8:20 am-9:36 pm

1 stop13h 16m

$202

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

$252

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 8/15

5:35 pm-2:25 pm

2 stops20h 50m

$284

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Tue 7/8

8:40 pm-7:50 pm

3 stops23h 10m

$428

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/2

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, JetBlue, 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

8,861 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

8,861 reviews

United Airlines

7.4

Good

8,861 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??

JetBlue

7.3

Good

2,916 reviews

United Airlines

7.4

Good

8,861 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

8,861 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??

Air Canada

7.1

Good

9,681 reviews

United Airlines

7.4

Good

8,861 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??

British Airways

6.6

Okay

7,093 reviews

United Airlines

7.4

Good

8,861 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.
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 $395. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $439 and $478, respectively. American Airlines is 36% cheaper than the average price of flights available within the next 90 days to this destination.
What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Port of Spain one-way?
To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $195. American Airlines flights start at $202 while deals on JetBlue start at $252 one-way.
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$357	Average$594	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$376	Average$499	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.

$195+ 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 8/3. 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 January or October, 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 July 3, 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 July 3, 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 June 27, 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 July 3, 2025.

Reviews of airlines servicing Port of Spain

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?

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

What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to Port of Spain one-way?

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 July 3, 2025.