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

Currently priced at $335, Copa Airlines will fly you from Port of Spain to Washington, D.C. Dulles Intl Airport and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $395. Copa Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.

In terms of precipitation, rainfall in Washington, D.C. Dulles Intl Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Dulles Intl Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July 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 35.6 F).

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

Most trusted provider : When it comes to deals on Port of Spain-Washington, D.C. Dulles Intl Airport 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 Port of Spain-Washington, D.C. Dulles Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly from for flights from Port of Spain to Washington, D.C. Dulles Intl?

For a flight from Port of Spain to Washington, D.C. Dulles Intl, you will be flying from Piarco Intl. Port of Spain Piarco Intl (POS) is just 12.6 mi from the center of the city. Piarco Intl is the only Port of Spain airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 2 airlines have flights to Washington, D.C. Dulles Intl from Port of Spain Piarco Intl on a regular basis.

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

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

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

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Port of Spain to Dulles Intl.

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

Yes. Cheapflights offers flight deals from Port of Spain to Dulles Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$228+ Flights from Port of Spain to Washington, D.C. Dulles Intl Airport

Q: How much does it cost to fly round-trip from Port of Spain to Washington, D.C. Dulles Intl Airport?

Airfare is below average for this route at the moment. Port of Spain to Washington, D.C. Dulles Intl Airport flights typically cost between $667 and $763 in January. The cheapest round-trip price found within the last 3 days was $329 on Copa Airlines (Jan 25-Jan 30).

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1. Tell us where you want to go

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Cheap flight deals from Port of Spain to Dulles Intl

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$329 (Copa Airlines)
One-way from	$228 (Trip.com)
Popular in	August
Cheapest in	May
Average price	$635

Provider with most accurate pricing for Port of Spain Piarco Intl-Washington, D.C. Dulles Intl flight deals.

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Provider most trusted by Cheapflights users for Port of Spain Piarco Intl-Washington, D.C. Dulles Intl flights.

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From Port of Spain Piarco Intl to Washington, D.C. Dulles Intl

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One-way flight from Port of Spain Piarco Intl to Washington, D.C. Dulles Intl

Search Deals

Highest demand for flights based on searches. 16% potential increase in price ($101 potential increase over avg. RT price).

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Cheapest flight prices on average. 3% potential price decrease ($18 potential savings vs. average RT price).

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Average for round-trip flights in November 2025

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Find flight deals from Port of Spain to Dulles Intl

Cheapest flights from Port of Spain to Dulles Intl
Explore the most affordable flight options available from Port of Spain to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Sun 12/73:47 amPOS - IAD

1 stop11h 15mCopa Airlines

Thu 1/223:25 pmIAD - POS

1 stop9h 19mCopa Airlines

Deal found 11/26

$432

Sun 12/72:15 amPOS - IAD

2 stops19h 44mAir Canada

Thu 1/229:45 amIAD - POS

2 stops38h 35mAir Canada

Deal found 11/26

$452

Thu 12/49:10 amPOS - IAD

1 stop30h 55mMultiple Airlines

Thu 1/153:00 pmIAD - POS

2 stops28h 00mMultiple Airlines

Deal found 11/25

$469

Sun 12/72:15 amPOS - IAD

2 stops19h 44mMultiple Airlines

Thu 1/225:40 pmIAD - POS

3 stops25h 20mMultiple Airlines

Deal found 11/26

$538

Wed 12/33:47 amPOS - IAD

1 stop11h 15mCopa Airlines

Thu 1/153:25 pmIAD - POS

1 stop9h 19mCopa Airlines

Deal found 11/25

$551

Wed 12/241:30 amPOS - IAD

1 stop20h 34mUnited Airlines

Thu 1/18:30 amIAD - POS

1 stop14h 53mUnited Airlines

Deal found 11/25

$556

Wed 12/242:38 pmPOS - IAD

1 stop13h 44mCopa Airlines

Tue 1/63:25 pmIAD - POS

1 stop9h 19mCopa Airlines

Deal found 11/24

$568

Wed 12/246:02 amPOS - IAD

2 stops32h 25mAmerican Airlines

Tue 1/65:46 pmIAD - POS

2 stops20h 39mAmerican Airlines

Deal found 11/25

$576

Wed 12/246:02 amPOS - IAD

2 stops34h 59mAmerican Airlines

Mon 1/54:29 pmIAD - POS

2 stops21h 56mAmerican Airlines

Deal found 11/25

$577

Mon 12/221:30 amPOS - IAD

1 stop20h 34mUnited Airlines

Sat 1/108:15 amIAD - POS

1 stop15h 08mUnited Airlines

Deal found 11/24

$579

Best flights from Port of Spain to Dulles Intl
Discover carefully curated flight deals from Port of Spain to Dulles Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 26, 2025.

Sun 1/253:40 amPOS - IAD

1 stop11h 18mCopa Airlines

Fri 1/303:25 pmIAD - POS

1 stop9h 19mCopa Airlines

Deal found 11/25

$329

Tue 2/102:20 amPOS - IAD

2 stops19h 34mAir Canada

Tue 2/179:45 amIAD - POS

2 stops14h 35mAir Canada

Deal found 11/25

$463

Fri 2/132:16 pmPOS - IAD

1 stop13h 59mCopa Airlines

Fri 2/201:18 amIAD - POS

1 stop10h 53mCopa Airlines

Deal found 11/26

$329

Fri 3/62:16 pmPOS - IAD

1 stop13h 59mCopa Airlines

Thu 3/122:18 amIAD - POS

1 stop10h 57mCopa Airlines

Deal found 11/24

$397

Tue 2/102:20 amPOS - IAD

1 stop14h 29mAir Canada

Tue 2/249:45 amIAD - POS

2 stops14h 35mAir Canada

Deal found 11/26

$471

Fri 2/272:16 pmPOS - IAD

1 stop10h 16mCopa Airlines

Thu 3/51:18 amIAD - POS

1 stop10h 57mCopa Airlines

Deal found 11/24

$424

Mon 12/82:38 pmPOS - IAD

1 stop9h 55mCopa Airlines

Thu 1/223:25 pmIAD - POS

1 stop9h 19mCopa Airlines

Deal found 11/26

$432

Wed 3/43:46 amPOS - IAD

1 stop11h 14mCopa Airlines

Wed 3/114:35 pmIAD - POS

1 stop9h 11mCopa Airlines

Deal found 11/25

$468

Last-minute flights from Port of Spain to Dulles Intl
Discover last-minute flight deals from Port of Spain to Dulles Intl. Data last updated November 26, 2025 and is based on user searches.

Wed 12/33:47 amPOS - IAD

1 stop11h 15mCopa Airlines

Thu 1/153:25 pmIAD - POS

1 stop9h 19mCopa Airlines

Deal found 11/25

$551

Thu 12/49:10 amPOS - IAD

1 stop30h 55mMultiple Airlines

Thu 1/153:00 pmIAD - POS

2 stops28h 00mMultiple Airlines

Deal found 11/25

$469

Sun 12/73:47 amPOS - IAD

1 stop11h 15mCopa Airlines

Thu 1/223:25 pmIAD - POS

1 stop9h 19mCopa Airlines

Deal found 11/26

$432

Sun 12/72:15 amPOS - IAD

2 stops19h 44mAir Canada

Thu 1/229:45 amIAD - POS

2 stops38h 35mAir Canada

Deal found 11/26

$452

Sun 12/72:15 amPOS - IAD

2 stops19h 44mMultiple Airlines

Thu 1/225:40 pmIAD - POS

3 stops25h 20mMultiple Airlines

Deal found 11/26

$538

Mon 12/221:30 amPOS - IAD

1 stop20h 34mUnited Airlines

Sat 1/108:15 amIAD - POS

1 stop15h 08mUnited Airlines

Deal found 11/24

$579

Wed 12/241:30 amPOS - IAD

1 stop20h 34mUnited Airlines

Thu 1/18:30 amIAD - POS

1 stop14h 53mUnited Airlines

Deal found 11/25

$556

Wed 12/242:38 pmPOS - IAD

1 stop13h 44mCopa Airlines

Tue 1/63:25 pmIAD - POS

1 stop9h 19mCopa Airlines

Deal found 11/24

$568

Wed 12/246:02 amPOS - IAD

2 stops32h 25mAmerican Airlines

Tue 1/65:46 pmIAD - POS

2 stops20h 39mAmerican Airlines

Deal found 11/25

$576

One-way flights from Port of Spain to Dulles Intl
Search for one-way flight options from Port of Spain to Dulles Intl. Find affordable one-way fares based on user searches. Data last updated November 26, 2025.

Fri 1/239:10 amPOS - IAD

1 stop11h 48mMultiple Airlines

Deal found 11/24

$228

Wed 1/149:10 amPOS - IAD

1 stop28h 53mMultiple Airlines

Deal found 11/23

$242

Fri 3/131:20 amPOS - IAD

1 stop19h 06mAir Canada

Deal found 11/25

$260

Tue 1/132:20 amPOS - IAD

2 stops19h 34mAir Canada

Deal found 11/23

$265

Tue 12/239:10 amPOS - IAD

2 stops27h 28mMultiple Airlines

Deal found 11/25

$270

Mon 12/229:10 amPOS - IAD

2 stops27h 28mMultiple Airlines

Deal found 11/23

$276

Thu 1/222:20 amPOS - IAD

2 stops43h 34mAir Canada

Deal found 11/24

$282

Sun 12/287:35 pmPOS - IAD

1 stop18h 39mMultiple Airlines

Deal found 11/25

$288

Sun 1/189:10 amPOS - IAD

2 stops27h 33mMultiple Airlines

Deal found 11/23

$292

Cheapflights Fare Finder

Use the filters below to find and compare flights from Port of Spain to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Sun 1/25

3:40 am-1:58 pm

1 stop11h 18m

Washington, D.C. Dulles Intl

Fri 1/30

3:25 pm-1:44 am

1 stop9h 19m

$329

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 2/13

2:16 pm-3:15 am

1 stop13h 59m

Washington, D.C. Dulles Intl

Fri 2/20

1:18 am-1:11 pm

1 stop10h 53m

$329

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 3/6

2:16 pm-3:15 am

1 stop13h 59m

Washington, D.C. Dulles Intl

Thu 3/12

2:18 am-1:15 pm

1 stop10h 57m

$397

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 2/27

2:16 pm-11:32 pm

1 stop10h 16m

Washington, D.C. Dulles Intl

Thu 3/5

1:18 am-1:15 pm

1 stop10h 57m

$424

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Mon 12/8

2:38 pm-11:33 pm

1 stop9h 55m

Washington, D.C. Dulles Intl

Thu 1/22

3:25 pm-1:44 am

1 stop9h 19m

$432

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 2/10

2:20 am-8:54 pm

2 stops19h 34m

Washington, D.C. Dulles Intl

Tue 2/17

9:45 am-1:20 am

2 stops14h 35m

$463

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Wed 3/4

3:46 am-2:00 pm

1 stop11h 14m

Washington, D.C. Dulles Intl

Wed 3/11

4:35 pm-1:46 am

1 stop9h 11m

$468

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 2/10

2:20 am-3:49 pm

1 stop14h 29m

Washington, D.C. Dulles Intl

Tue 2/24

9:45 am-1:20 am

2 stops14h 35m

$471

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 1/27

2:20 am-8:26 pm

1 stop19h 06m

$260

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 2/13

2:20 am-8:54 pm

2 stops19h 34m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/24

Showing 1-10 of 20 results

Compare providers for flights from Port of Spain to Dulles Intl

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Port of Spain to Dulles Intl in November.

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

*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 Port of Spain-Washington, D.C. Dulles Intl Airport flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Port of Spain-Washington, D.C. Dulles Intl Airport flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Port of Spain-Washington, D.C. Dulles Intl Airport flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Port of Spain-Washington, D.C. Dulles Intl Airport 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 Port of Spain-Washington, D.C. Dulles Intl Airport 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 Port of Spain to Dulles Intl

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

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

Currently, April is the cheapest month in which you can book a flight from Port of Spain to Washington, D.C. Dulles Intl Airport (average of $242). Flying from Port of Spain to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $623). 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 POS to IAD?

It’s typically best to fly out from Port of Spain to Washington, D.C. Dulles Intl Airport at noon. Doing so could potentially save you 21% on the flight price compared to flying in the evening, which is usually more expensive.

How much does it cost to fly round-trip from Port of Spain to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Peruse reviews from past customers who have flown with Copa Airlines and United Airlines from Port of Spain to Washington, D.C. Dulles Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Copa Airlines

7.6

Good

1,569 reviews

Reviews

1 / 20

10.0

Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring

Copa Airlines

7.6

Good

1,569 reviews

Copa Airlines

7.6

Good

1,569 reviews

Reviews

1 / 20

10.0

Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring

United Airlines

7.4

Good

9,047 reviews

Copa Airlines

7.6

Good

1,569 reviews

Reviews

1 / 20

10.0

Excellent

Juan Pablo,Sep 2025

MEX - PTY

never better, had a very plesent trip to panama, cant say the same thing of my trip, from panama to santa cruz... it was very poor, unconftrable and boring

Related info for your journey

What airport do you fly from for flights from Port of Spain to Washington, D.C. Dulles Intl?
For a flight from Port of Spain to Washington, D.C. Dulles Intl, you will be flying from Piarco Intl. Port of Spain Piarco Intl (POS) is just 12.6 mi from the center of the city. Piarco Intl is the only Port of Spain airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 2 airlines have flights to Washington, D.C. Dulles Intl from Port of Spain Piarco Intl on a regular basis.
How long is the flight from Port of Spain to Washington, D.C. Dulles Intl Airport?
There are many flights that can get you from Port of Spain to Washington, D.C. Dulles Intl Airport in 11h 18m. Fly via Copa Airlines to get the fastest option. There are 2195 mi between Port of Spain and Washington, D.C. Dulles Intl Airport.
What are the cheapest airlines flying from Port of Spain to Washington, D.C. Dulles Intl Airport round-trip?
Currently priced at $335, Copa Airlines will fly you from Port of Spain to Washington, D.C. Dulles Intl Airport and back. In addition to Copa Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on United Airlines for as low as $395. Copa Airlines is priced at 35% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Port of Spain to Dulles Intl that include hotel bookings?
Yes. In addition to deals on Port of Spain to Dulles Intl flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Port of Spain to Dulles Intl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Port of Spain to Dulles Intl.
Can I find deals for business class flights from Port of Spain to Dulles Intl?
Yes. Cheapflights offers flight deals from Port of Spain to Dulles Intl 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 Port of Spain to Washington, D.C. Dulles Intl Airport?
Currently, April is the cheapest month in which you can book a flight from Port of Spain to Washington, D.C. Dulles Intl Airport (average of $242). Flying from Port of Spain to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $623). 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.

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Top 2 airlines flying from Port of Spain to Dulles Intl

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	Cheapest$335	Average$453	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$395	Average$478	FlexibilityNo cancel fee	On-time69%

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$228+ Cheap flights from Port of Spain (POS) to Dulles Intl (IAD)

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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Port of Spain to Dulles Intl with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Port of Spain to Dulles Intl

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Find flight deals from Port of Spain to Dulles Intl

Cheapest flights from Port of Spain to Dulles IntlExplore the most affordable flight options available from Port of Spain to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Explore the most affordable flight options available from Port of Spain to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Port of Spain to Washington, D.C. Dulles Intl Airport that are best for you.

Compare providers for flights from Port of Spain to Dulles Intl

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 Port of Spain to Dulles Intl in November.

Best time to book a flight from Port of Spain to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Port of Spain with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Port of Spain to Washington, D.C. Dulles Intl Airport

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

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

How much does it cost to fly round-trip from Port of Spain to Washington, D.C. Dulles Intl Airport?

Reviews of airlines servicing Dulles Intl

Related info for your journey

Find useful and relevant information for your journey from Port of Spain to Dulles Intl. 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 from for flights from Port of Spain to Washington, D.C. Dulles Intl?

How long is the flight from Port of Spain to Washington, D.C. Dulles Intl Airport?

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

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

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

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

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

Traveling to a place near Washington, D.C. Dulles Intl Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Port of Spain to Dulles Intl

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

Top 2 airlines flying from Port of Spain to Dulles Intl

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Cheapest flights from Port of Spain to Dulles Intl
Explore the most affordable flight options available from Port of Spain to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 26, 2025.