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Port of Spain

$185+ Cheap flights from Dulles Intl (IAD) 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 5/25. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — POS
May 3 — May 101
Sat 5/3
Sat 5/10
1 adult, Economy
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Cheap flight deals from Dulles Intl to Port of Spain

Discover tips and strategies to find the most affordable flight options for your journey from Dulles Intl (IAD) to Port of Spain (POS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 28, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$344
(Copa Airlines)

One-way from

$185
(Air Canada)

Popular in

March

Cheapest in

November

Average price

$613
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Port of Spain Piarco Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Port of Spain Piarco Intl flights.
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From Washington, D.C. Dulles Intl to Port of Spain Piarco Intl
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One-way flight from Washington, D.C. Dulles Intl to Port of Spain Piarco Intl
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Highest demand for flights based on searches. 18% potential increase in price ($137 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Dulles Intl to Port of Spain

Cheapest flights from Dulles Intl to Port of Spain
Explore the most affordable flight options available from Dulles Intl to Port of Spain. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 28, 2025.

This Copa Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/294:34 pmIAD - POS
1 stop9h 13mCopa Airlines
Thu 6/53:44 amPOS - IAD
1 stop11h 20mCopa Airlines
Deal found 4/27$344
This United Airlines deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/16:10 amIAD - POS
1 stop17h 13mUnited Airlines
Tue 8/1912:30 amPOS - IAD
1 stop10h 58mUnited Airlines
Deal found 4/27$368
This American Airlines deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/285:26 pmIAD - POS
2 stops20h 49mAmerican Airlines
Tue 6/33:05 pmPOS - IAD
2 stops22h 17mAmerican Airlines
Deal found 4/28$373
This Air Canada deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/92:25 pmIAD - POS
1 stop11h 00mAir Canada
Fri 5/232:25 amPOS - IAD
1 stop11h 16mAir Canada
Deal found 4/28$417
This Gotogate deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/179:45 amIAD - POS
2 stops39h 40mMultiple Airlines
Thu 5/223:44 amPOS - IAD
1 stop20h 45mMultiple Airlines
Deal found 4/28$428

Cheapflights Fare Finder

Customize your flight search to find flights from Dulles Intl to Port of Spain that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Port of Spain that are best for you.

Fly from

Dulles Intl

Fly to

Port of Spain

Route

Depart

Return

Price

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Thu 5/29

4:34 pm-1:47 am

1 stop9h 13m

Port of Spain Piarco Intl

Thu 6/5

3:44 am-3:04 pm

1 stop11h 20m

$344

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Sun 6/1

6:10 am-11:23 pm

1 stop17h 13m

Port of Spain Piarco Intl

Tue 8/19

12:30 am-11:28 am

1 stop10h 58m

$368

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Wed 5/28

5:26 pm-2:15 pm

2 stops20h 49m

Port of Spain Piarco Intl

Tue 6/3

3:05 pm-1:22 pm

2 stops22h 17m

$373

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Fri 5/9

9:45 am-1:25 am

2 stops15h 40m

Port of Spain Piarco Intl

Fri 5/23

2:25 am-9:08 pm

2 stops18h 43m

$417

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Sat 5/17

9:45 am-1:25 am

2 stops39h 40m

Port of Spain Piarco Intl

Thu 5/22

3:44 am-12:29 am

1 stop20h 45m

$428

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Sun 5/25

9:45 am-1:25 am

2 stops15h 40m

$185

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Tue 5/13

5:26 pm-2:05 pm

2 stops20h 39m

$212

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Tue 5/13

4:34 pm-1:47 am

1 stop9h 13m

$224

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Sat 7/26

7:25 pm-6:55 pm

1 stop23h 30m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Compare providers for flights from Dulles Intl 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 Dulles Intl to Port of Spain in April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Port of Spain flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Washington, D.C. Dulles Intl Airport-Port of Spain flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl 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. Dulles Intl Airport-Port of Spain flights, Cheapflights users trust AranGrant the most. AranGrant 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. Dulles Intl 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 Dulles Intl to Port of Spain

Have a flexible travel schedule? Discover the best time to fly to Port of Spain from Dulles Intl 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. Dulles Intl Airport to Port of Spain

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Port of Spain (average of $435). Flying from Washington, D.C. Dulles Intl 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 IAD to POS?

Find hourly flight availability from Dulles Intl 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 April 28, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 31% on flights from Washington, D.C. Dulles Intl Airport to Port of Spain by exploring options for tickets in the evening.

Rainfall in Port of Spain by month

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

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

Get insights into the airlines that provide service to Port of Spain. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Port of Spain. Reviews last updated April 28, 2025.
Read reviews from past customers who have flown Copa Airlines, United Airlines and American Airlines from Washington, D.C. to Port of Spain. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.5
Good
1,410 reviews

Boarding

7.8

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.4

Overall

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

PTY - JFK

There was no chance for me to choose a seat even if I were willing to pay extra for it when I was doing the check-in on line. My seats were the last row on the plane and they didn't have enough food to give me. I had to eat what was left after everybody else had their choice of food. This is unacceptable. Everyone should have a choice. I paid money just like everybody else. Never had this happened on any other airlines even if my seats were last row on the plane.
Copa Airlines
7.5
Good
1,410 reviews
Copa Airlines
7.5
Good
1,410 reviews

Boarding

7.8

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.4

Overall

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

PTY - JFK

There was no chance for me to choose a seat even if I were willing to pay extra for it when I was doing the check-in on line. My seats were the last row on the plane and they didn't have enough food to give me. I had to eat what was left after everybody else had their choice of food. This is unacceptable. Everyone should have a choice. I paid money just like everybody else. Never had this happened on any other airlines even if my seats were last row on the plane.
United Airlines
7.4
Good
8,696 reviews
Copa Airlines
7.5
Good
1,410 reviews

Boarding

7.8

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.4

Overall

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

PTY - JFK

There was no chance for me to choose a seat even if I were willing to pay extra for it when I was doing the check-in on line. My seats were the last row on the plane and they didn't have enough food to give me. I had to eat what was left after everybody else had their choice of food. This is unacceptable. Everyone should have a choice. I paid money just like everybody else. Never had this happened on any other airlines even if my seats were last row on the plane.
American Airlines
7.2
Good
10,000 reviews
Copa Airlines
7.5
Good
1,410 reviews

Boarding

7.8

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.4

Overall

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

PTY - JFK

There was no chance for me to choose a seat even if I were willing to pay extra for it when I was doing the check-in on line. My seats were the last row on the plane and they didn't have enough food to give me. I had to eat what was left after everybody else had their choice of food. This is unacceptable. Everyone should have a choice. I paid money just like everybody else. Never had this happened on any other airlines even if my seats were last row on the plane.
Air Canada
7.0
Good
9,228 reviews
Copa Airlines
7.5
Good
1,410 reviews

Boarding

7.8

Entertainment

6.8

Crew

8.1

Food

6.8

Comfort

7.4

Overall

7.5

Reviews

1 / 20
4.0
Okay

Anonymous,Mar 2025

PTY - JFK

There was no chance for me to choose a seat even if I were willing to pay extra for it when I was doing the check-in on line. My seats were the last row on the plane and they didn't have enough food to give me. I had to eat what was left after everybody else had their choice of food. This is unacceptable. Everyone should have a choice. I paid money just like everybody else. Never had this happened on any other airlines even if my seats were last row on the plane.

Related info for your journey

Find useful and relevant information for your journey from Dulles Intl 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. Dulles Intl?

    Port of Spain Piarco Intl (POS), located 12.6 mi from the city center, is the airport you fly into when you book flights from Washington, D.C. Dulles Intl to Port of Spain. 3 airlines have flights to Piarco Intl from Washington, D.C. Dulles Intl on a regular basis. Booking flights from Washington, D.C. Dulles Intl to Port of Spain Piarco Intl should not be difficult; the airport handles an average of 0 inbound flights from Washington, D.C. Dulles Intl per day.

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

    Currently priced at $344, Copa Airlines will fly you from Washington, D.C. Dulles Intl Airport to Port of Spain and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from United Airlines and American Airlines - these airlines can fly you to your destination from $368 and $373, respectively. Copa Airlines is 43% 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. Dulles Intl Airport to Port of Spain one-way?

    For one-way options, check prices for Air Canada. According to our data, you can fly for as low as $185. Users have also found prices from $212 and $224 on American Airlines and Copa Airlines, respectively.

  • Can I find deals for flights from Dulles Intl to Port of Spain that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Port of Spain flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl 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 Dulles Intl to Port of Spain.

  • Can I find deals for business class flights from Dulles Intl to Port of Spain?

    Yes. Cheapflights offers flight deals from Dulles Intl 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. Dulles Intl Airport to Port of Spain?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Port of Spain (average of $435). Flying from Washington, D.C. Dulles Intl 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

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Alternative routes for Dulles Intl to Port of Spain

See prices for flight routes from nearby airports that may be better suited for you.
Reagan-National to Port of Spain flights
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Top 3 airlines flying from Dulles Intl to Port of Spain

Discover the top 3 airlines that operate flights from Dulles Intl to Port of Spain. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$312Average$584FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$355Average$796FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$398Average$595FlexibilityNo cancel feeOn-time69%

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