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 $383. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at $387 and $417, respectively. American Airlines is 38% 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 $185. JetBlue flights start at $210 while deals on American Airlines start at $249 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.

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 $560. You can even find prices in January for less than $560, 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 19%.

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.

$185+ 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 57% 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.

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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”

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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 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	$383 (American Airlines)
One-way from	$185 (Air Canada)
Popular in	July
Cheapest in	January
Average price	$836

From Washington, D.C. Reagan-National to Port of Spain Piarco Intl

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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. 14% potential increase in price ($106 potential increase over avg. RT price).

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

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Average for round-trip flights in June 2025

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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 June 11, 2025.

Tue 9/167:45 pmDCA - POS

2 stops18h 31mAmerican Airlines

Tue 9/303:23 pmPOS - DCA

1 stop8h 36mAmerican Airlines

Deal found 6/11

$383

Tue 9/307:59 pmDCA - POS

1 stop27h 24mUnited Airlines

Sat 10/412:30 amPOS - DCA

1 stop20h 21mUnited Airlines

Deal found 6/10

$387

Sun 9/2111:00 amDCA - POS

1 stop14h 25mAir Canada

Fri 10/102:25 amPOS - DCA

2 stops19h 26mAir Canada

Deal found 6/11

$417

Tue 7/226:30 amDCA - POS

1 stop11h 34mJetBlue

Wed 7/308:50 amPOS - DCA

1 stop14h 09mJetBlue

Deal found 6/10

$472

Wed 6/2512:55 pmDCA - POS

3 stops33h 20mMultiple Airlines

Fri 7/42:20 amPOS - DCA

1 stop17h 22mMultiple Airlines

Deal found 6/10

$600

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 June 11, 2025.

Tue 9/167:45 pmDCA - POS

2 stops18h 31mAmerican Airlines

Tue 9/303:23 pmPOS - DCA

1 stop8h 36mAmerican Airlines

Deal found 6/11

$383

Tue 9/307:59 pmDCA - POS

1 stop27h 24mUnited Airlines

Sat 10/412:30 amPOS - DCA

1 stop20h 21mUnited Airlines

Deal found 6/10

$387

Sun 9/2111:00 amDCA - POS

1 stop14h 25mAir Canada

Fri 10/102:25 amPOS - DCA

2 stops19h 26mAir Canada

Deal found 6/11

$417

Tue 7/226:30 amDCA - POS

1 stop11h 34mJetBlue

Wed 7/308:50 amPOS - DCA

1 stop14h 09mJetBlue

Deal found 6/10

$472

Wed 6/2512:55 pmDCA - POS

3 stops33h 20mMultiple Airlines

Fri 7/42:20 amPOS - DCA

1 stop17h 22mMultiple Airlines

Deal found 6/10

$600

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 June 11, 2025 and is based on user searches.

Wed 6/1110:06 amDCA - POS

2 stops11h 30mAmerican Airlines

Mon 6/167:09 amPOS - DCA

1 stop16h 50mAmerican Airlines

Deal found 6/10

$413

Mon 6/166:00 amDCA - POS

1 stop15h 36mAmerican Airlines

Fri 6/203:15 pmPOS - DCA

1 stop8h 44mAmerican Airlines

Deal found 6/10

$447

Tue 6/176:30 amDCA - POS

1 stop11h 34mJetBlue

Tue 7/158:50 amPOS - DCA

1 stop14h 09mJetBlue

Deal found 6/10

$626

Wed 6/1812:55 pmDCA - POS

3 stops33h 20mMultiple Airlines

Mon 6/232:25 amPOS - DCA

2 stops13h 23mMultiple Airlines

Deal found 6/9

$602

Thu 6/196:50 pmDCA - POS

1 stop30h 35mAir Canada

Sun 6/222:25 amPOS - DCA

2 stops13h 23mAir Canada

Deal found 6/9

$427

Sat 6/218:20 amDCA - POS

1 stop15h 03mUnited Airlines

Mon 6/3012:30 amPOS - DCA

1 stop11h 16mUnited Airlines

Deal found 6/10

$408

Wed 6/2512:55 pmDCA - POS

3 stops33h 20mMultiple Airlines

Fri 7/42:20 amPOS - DCA

1 stop17h 22mMultiple Airlines

Deal found 6/10

$600

Tue 7/111:05 amDCA - POS

1 stop12h 18mUnited Airlines

Tue 7/812:30 amPOS - DCA

1 stop11h 16mUnited Airlines

Deal found 6/8

$393

Fri 7/1811:00 amDCA - POS

1 stop14h 20mAir Canada

Mon 7/282:20 amPOS - DCA

1 stop15h 42mAir Canada

Deal found 6/11

$417

Tue 7/226:30 amDCA - POS

1 stop11h 34mJetBlue

Wed 7/308:50 amPOS - DCA

1 stop14h 09mJetBlue

Deal found 6/10

$472

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 June 11, 2025.

Mon 6/239:40 amDCA - POS

2 stops15h 45mAir Canada

Deal found 6/11

$185

Wed 7/26:30 amDCA - POS

1 stop11h 34mJetBlue

Deal found 6/11

$210

Tue 8/510:08 pmDCA - POS

2 stops23h 28mAmerican Airlines

Deal found 6/9

$249

Wed 8/206:00 amDCA - POS

1 stop17h 23mUnited Airlines

Deal found 6/10

$252

Fri 7/44:30 pmDCA - POS

3 stops28h 20mMultiple Airlines

Deal found 6/11

$370

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 9/9

7:45 pm-2:16 pm

2 stops18h 31m

Port of Spain Piarco Intl

Tue 9/30

3:23 pm-11:59 pm

1 stop8h 36m

$383

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Sat 8/9

8:20 am-11:23 pm

1 stop15h 03m

Port of Spain Piarco Intl

Fri 8/15

12:30 am-8:56 pm

1 stop20h 26m

$389

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-6:02 pm

1 stop15h 42m

$417

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

Port of Spain Piarco Intl

Wed 7/30

8:50 am-10:59 pm

1 stop14h 09m

$472

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Wed 6/25

12:55 pm-10:15 pm

3 stops33h 20m

Port of Spain Piarco Intl

Fri 7/4

2:20 am-7:42 pm

1 stop17h 22m

$600

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Mon 6/23

9:40 am-1:25 am

2 stops15h 45m

$185

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Wed 7/2

6:30 am-6:04 pm

1 stop11h 34m

$210

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Tue 8/5

10:08 pm-9:36 pm

2 stops23h 28m

$249

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Wed 8/20

6:00 am-11:23 pm

1 stop17h 23m

$252

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 7/4

4:30 pm-8:50 pm

3 stops28h 20m

$370

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

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.

Rainfall in Port of Spain by month

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.

Temperature in Port of Spain by month

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).

Reviews of airlines servicing Port of Spain

To help decide which airline to fly from Washington, D.C. to Port of Spain, see what other customers have to say about United Airlines, JetBlue and American Airlines. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,784 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

8,784 reviews

United Airlines

7.4

Good

8,784 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

2,925 reviews

United Airlines

7.4

Good

8,784 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

8,784 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

9,522 reviews

United Airlines

7.4

Good

8,784 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 $383. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at $387 and $417, respectively. American Airlines is 38% 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 $185. JetBlue flights start at $210 while deals on American Airlines start at $249 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$360	Average$611	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$376	Average$513	FlexibilityNo cancel fee	On-time69%

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$185+ 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 6/23. 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

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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 June 11, 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 June 11, 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 9, 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 June 11, 2025.

Rainfall in Port of Spain by month

Plan your trip to Port of Spain by taking into account the average rainfall totals by month.

Temperature in Port of Spain by month

Plan your trip to Port of Spain by taking into account the average temperature totals by month.

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

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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 June 11, 2025.