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

Currently priced at $283, United Airlines will fly you from Washington, D.C. Dulles Intl Airport to Port of Spain and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Copa Airlines for as low as $312. United Airlines is 49% cheaper than the average price of flights available within the next 90 days to this destination.

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).

Most accurate provider : When it comes to deals on Washington, D.C. Dulles Intl Airport-Port of Spain flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Port of Spain flight deals on Cheapflights vs. eDreams >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 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 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.

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. 2 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.

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.

$179+ Flights from Washington, D.C. Dulles Intl Airport to Port of Spain

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

Airfare is below average for this route at the moment. Washington, D.C. Dulles Intl Airport to Port of Spain flights typically cost between $838 and $1,080 in January. The cheapest round-trip price found within the last 3 days was $353 on Copa Airlines (Jan 22-Jan 26).

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Cheap 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 December 12, 2025.

Fri 12/128:22 amIAD - POS

1 stop16h 26mCopa Airlines

Sat 12/133:47 amPOS - IAD

1 stop11h 15mCopa Airlines

Deal found 12/11

$412

Fri 12/128:22 amIAD - POS

1 stop16h 26mCopa Airlines

Sun 12/143:47 amPOS - IAD

1 stop11h 15mCopa Airlines

Deal found 12/11

$571

Thu 12/118:22 amIAD - POS

1 stop16h 26mCopa Airlines

Sat 12/203:47 amPOS - IAD

1 stop22h 15mCopa Airlines

Deal found 12/10

$598

Fri 12/123:32 pmIAD - POS

1 stop9h 16mCopa Airlines

Mon 3/23:46 amPOS - IAD

1 stop11h 14mCopa Airlines

Deal found 12/9

$626

Sat 12/139:20 pmIAD - POS

2 stops27h 28mMultiple Airlines

Sun 12/217:35 pmPOS - IAD

1 stop18h 39mMultiple Airlines

Deal found 12/11

$637

Mon 12/153:32 pmIAD - POS

1 stop9h 16mCopa Airlines

Mon 12/222:38 pmPOS - IAD

1 stop13h 44mCopa Airlines

Deal found 12/11

$655

Fri 12/129:20 pmIAD - POS

2 stops27h 28mMultiple Airlines

Thu 3/59:10 amPOS - IAD

1 stop36h 54mMultiple Airlines

Deal found 12/9

$687

Thu 12/258:30 amIAD - POS

1 stop14h 53mUnited Airlines

Wed 1/71:30 amPOS - IAD

1 stop10h 53mUnited Airlines

Deal found 12/10

$699

Sat 12/133:32 pmIAD - POS

1 stop9h 16mCopa Airlines

Mon 12/153:47 amPOS - IAD

1 stop11h 15mCopa Airlines

Deal found 12/10

$701

Thu 12/113:32 pmIAD - POS

1 stop9h 16mCopa Airlines

Tue 12/233:47 amPOS - IAD

1 stop11h 15mCopa Airlines

Deal found 12/10

$702

Sat 12/139:20 pmIAD - POS

2 stops27h 28mMultiple Airlines

Fri 12/199:10 amPOS - IAD

1 stop25h 59mMultiple Airlines

Deal found 12/11

$705

Sat 12/133:32 pmIAD - POS

1 stop9h 16mCopa Airlines

Mon 12/222:38 pmPOS - IAD

1 stop9h 55mCopa Airlines

Deal found 12/10

$710

Best flights from Dulles Intl to Port of Spain
Discover carefully curated flight deals from Dulles Intl to Port of Spain that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 12, 2025.

Tue 2/38:29 amIAD - POS

1 stop16h 15mCopa Airlines

Fri 2/62:16 pmPOS - IAD

1 stop13h 59mCopa Airlines

Deal found 12/10

$373

Thu 4/98:30 amIAD - POS

1 stop14h 53mUnited Airlines

Tue 4/2112:30 amPOS - IAD

1 stop11h 02mUnited Airlines

Deal found 12/10

$509

Thu 1/291:12 amIAD - POS

1 stop10h 59mCopa Airlines

Mon 3/23:46 amPOS - IAD

1 stop11h 14mCopa Airlines

Deal found 12/10

$373

Fri 1/233:25 pmIAD - POS

1 stop9h 19mCopa Airlines

Fri 1/303:40 amPOS - IAD

1 stop11h 18mCopa Airlines

Deal found 12/11

$390

Wed 3/48:29 amIAD - POS

1 stop16h 17mCopa Airlines

Sun 3/83:46 amPOS - IAD

1 stop11h 14mCopa Airlines

Deal found 12/10

$390

Thu 3/53:35 pmIAD - POS

1 stop9h 11mCopa Airlines

Sun 3/83:46 amPOS - IAD

1 stop11h 14mCopa Airlines

Deal found 12/11

$390

Fri 2/131:18 amIAD - POS

1 stop10h 53mCopa Airlines

Mon 2/163:40 amPOS - IAD

1 stop11h 20mCopa Airlines

Deal found 12/10

$459

Thu 5/72:21 amIAD - POS

1 stop10h 55mCopa Airlines

Sat 5/232:22 pmPOS - IAD

1 stop13h 59mCopa Airlines

Deal found 12/10

$464

Fri 3/272:18 amIAD - POS

1 stop10h 57mCopa Airlines

Sat 4/42:17 pmPOS - IAD

1 stop14h 05mCopa Airlines

Deal found 12/10

$496

Sat 1/173:25 pmIAD - POS

1 stop9h 19mCopa Airlines

Mon 1/262:16 pmPOS - IAD

1 stop13h 57mCopa Airlines

Deal found 12/10

$514

Tue 1/138:25 amIAD - POS

1 stop16h 19mCopa Airlines

Wed 1/213:40 amPOS - IAD

1 stop11h 18mCopa Airlines

Deal found 12/10

$514

Last-minute flights from Dulles Intl to Port of Spain
Discover last-minute flight deals from Dulles Intl to Port of Spain. Data last updated December 12, 2025 and is based on user searches.

Fri 12/128:22 amIAD - POS

1 stop16h 26mCopa Airlines

Sat 12/133:47 amPOS - IAD

1 stop11h 15mCopa Airlines

Deal found 12/11

$412

Tue 1/139:00 amIAD - POS

1 stop15h 20mAir Canada

Thu 4/161:20 amPOS - IAD

2 stops18h 20mAir Canada

Deal found 12/11

$447

Thu 1/159:45 amIAD - POS

2 stops14h 35mAir Canada

Tue 4/141:20 amPOS - IAD

2 stops18h 20mAir Canada

Deal found 12/11

$450

Fri 1/169:00 amIAD - POS

1 stop15h 20mAir Canada

Tue 4/141:20 amPOS - IAD

1 stop19h 10mAir Canada

Deal found 12/11

$443

Sat 1/179:45 amIAD - POS

2 stops38h 35mAir Canada

Thu 1/222:20 amPOS - IAD

1 stop19h 06mAir Canada

Deal found 12/11

$466

Sat 1/179:45 amIAD - POS

2 stops38h 35mAir Canada

Fri 1/232:20 amPOS - IAD

2 stops19h 34mAir Canada

Deal found 12/11

$470

Tue 1/201:12 amIAD - POS

1 stop10h 59mCopa Airlines

Fri 1/233:40 amPOS - IAD

1 stop11h 18mCopa Airlines

Deal found 12/9

$380

Thu 1/221:12 amIAD - POS

1 stop10h 59mCopa Airlines

Mon 1/262:16 pmPOS - IAD

1 stop13h 57mCopa Airlines

Deal found 12/11

$353

Fri 1/233:25 pmIAD - POS

1 stop9h 19mCopa Airlines

Fri 1/303:40 amPOS - IAD

1 stop11h 18mCopa Airlines

Deal found 12/11

$390

Tue 1/273:25 pmIAD - POS

1 stop20h 46mCopa Airlines

Mon 2/23:40 amPOS - IAD

1 stop24h 35mCopa Airlines

Deal found 12/10

$370

Thu 1/291:12 amIAD - POS

1 stop10h 59mCopa Airlines

Mon 3/23:46 amPOS - IAD

1 stop11h 14mCopa Airlines

Deal found 12/10

$373

Thu 1/293:25 pmIAD - POS

1 stop20h 46mCopa Airlines

Sun 2/13:40 amPOS - IAD

1 stop24h 35mCopa Airlines

Deal found 12/11

$375

One-way flights from Dulles Intl to Port of Spain
Search for one-way flight options from Dulles Intl to Port of Spain. Find affordable one-way fares based on user searches. Data last updated December 12, 2025.

Fri 1/238:53 pmIAD - POS

1 stop21h 02mMultiple Airlines

Deal found 12/10

$179

Thu 1/81:46 pmIAD - POS

1 stop28h 09mMultiple Airlines

Deal found 12/11

$180

Sun 1/48:26 pmIAD - POS

2 stops22h 54mMultiple Airlines

Deal found 12/11

$190

Sun 2/159:00 amIAD - POS

1 stop15h 20mAir Canada

Deal found 12/10

$198

Sat 1/319:45 amIAD - POS

2 stops38h 35mAir Canada

Deal found 12/11

$201

Sat 1/102:06 pmIAD - POS

1 stop27h 49mMultiple Airlines

Deal found 12/11

$235

Thu 2/2611:22 amIAD - POS

2 stops24h 43mMultiple Airlines

Deal found 12/11

$242

Fri 2/275:37 pmIAD - POS

2 stops35h 33mMultiple Airlines

Deal found 12/11

$246

Fri 2/69:00 amIAD - POS

1 stop15h 20mAir Canada

Deal found 12/11

$248

Fri 1/169:45 amIAD - POS

2 stops14h 35mAir Canada

Deal found 12/10

$251

Find flight deals from Dulles Intl to Port of Spain

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$353 (Copa Airlines)
One-way from	$179 (Kiwi.com)
Popular in	March
Cheapest in	November
Average price	$846

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

Search Deals

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

Search Deals

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

Search Deals

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

Search Deals

Highest demand for flights based on searches. 22% potential increase in price ($158 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 7% potential price decrease ($40 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Cheapflights Fare Finder

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

Fly to

Route

Depart

Return

Price

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Tue 2/3

8:29 am-1:44 am

1 stop16h 15m

Port of Spain Piarco Intl

Fri 2/6

2:16 pm-3:15 am

1 stop13h 59m

$373

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Thu 1/29

1:12 am-1:11 pm

1 stop10h 59m

Port of Spain Piarco Intl

Mon 3/2

3:46 am-2:00 pm

1 stop11h 14m

$373

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Fri 1/23

3:25 pm-1:44 am

1 stop9h 19m

Port of Spain Piarco Intl

Fri 1/30

3:40 am-1:58 pm

1 stop11h 18m

$390

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Wed 3/4

8:29 am-1:46 am

1 stop16h 17m

Port of Spain Piarco Intl

Sun 3/8

3:46 am-3:00 pm

1 stop11h 14m

$390

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Thu 3/5

3:35 pm-1:46 am

1 stop9h 11m

Port of Spain Piarco Intl

Sun 3/8

3:46 am-3:00 pm

1 stop11h 14m

$390

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Fri 2/13

1:18 am-1:11 pm

1 stop10h 53m

Port of Spain Piarco Intl

Mon 2/16

3:40 am-2:00 pm

1 stop11h 20m

$459

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Thu 5/7

2:21 am-1:16 pm

1 stop10h 55m

Port of Spain Piarco Intl

Sat 5/23

2:22 pm-4:21 am

1 stop13h 59m

$464

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Fri 3/27

2:18 am-1:15 pm

1 stop10h 57m

Port of Spain Piarco Intl

Sat 4/4

2:17 pm-4:22 am

1 stop14h 05m

$496

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Thu 4/9

8:30 am-11:23 pm

1 stop14h 53m

Port of Spain Piarco Intl

Tue 4/21

12:30 am-11:32 am

1 stop11h 02m

$509

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Sat 1/17

3:25 pm-1:44 am

1 stop9h 19m

Port of Spain Piarco Intl

Mon 1/26

2:16 pm-3:13 am

1 stop13h 57m

$514

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/10

Showing 1-10 of 20 results

Compare providers for flights from Dulles Intl to Port of Spain

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 December.

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
AranGrant	Price Accuracy2 stars	Trust Score*3 stars
Cheapfaremart	Price Accuracy-	Trust Score*1 star
JustAirTicket	Price 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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C. Dulles Intl Airport-Port of Spain flight deals on Cheapflights vs. eDreams >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 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 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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Port of Spain (average of $196). Flying from Washington, D.C. Dulles Intl Airport to Port of Spain in December is currently the most expensive (average of $757). 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?

Unlike in the morning, when flights are generally more expensive, you can save up to 29% on flights from Washington, D.C. Dulles Intl Airport to Port of Spain by exploring options for tickets in the evening.

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

Reviews of airlines servicing Port of Spain

See what other customers who have flown with Copa Airlines and United Airlines from Washington, D.C. Dulles Intl Airport to Port of Spain have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Copa Airlines

7.6

Good

1,558 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

PEI - PTY

The attention to us was excellent. Help was provided with care.

Copa Airlines

7.6

Good

1,558 reviews

Copa Airlines

7.6

Good

1,558 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

PEI - PTY

The attention to us was excellent. Help was provided with care.

United Airlines

7.4

Good

9,095 reviews

Copa Airlines

7.6

Good

1,558 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

PEI - PTY

The attention to us was excellent. Help was provided with care.

Related info for your journey

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. 2 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.
How long is the flight from Washington, D.C. Dulles Intl Airport to Port of Spain?
Departing from Washington, D.C. Dulles Intl Airport to Port of Spain will take you 16h 15m. Washington, D.C. Dulles Intl Airport and Port of Spain are separated by a distance of 2195 mi.
What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Port of Spain round-trip?
Currently priced at $283, United Airlines will fly you from Washington, D.C. Dulles Intl Airport to Port of Spain and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Copa Airlines for as low as $312. United Airlines is 49% cheaper than the average price of flights available within the next 90 days to this destination.
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, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Port of Spain (average of $196). Flying from Washington, D.C. Dulles Intl Airport to Port of Spain in December is currently the most expensive (average of $757). 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

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Top 2 airlines flying from Dulles Intl to Port of Spain

Airline	Cheapest	Average	Flexibility	On-time
Copa Airlines	Cheapest$312	Average$524	FlexibilityNo cancel fee	On-time70%
United Airlines	Cheapest$368	Average$488	FlexibilityNo cancel fee	On-time69%

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$179+ 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 1/23. Fares are subject to change and may not be available on all flights or dates of travel.

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

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Cheap flight deals from Dulles Intl to Port of Spain

Cheapest flights from Dulles Intl to Port of SpainExplore 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 December 12, 2025.

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 December 12, 2025.

Find flight deals from Dulles Intl to Port of Spain

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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.

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 December.

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.

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?

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

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

Reviews of airlines servicing Port of Spain

See what other customers who have flown with Copa Airlines and United Airlines from Washington, D.C. Dulles Intl Airport to Port of Spain have to say. You can also see how each airline compares 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 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?

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

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

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

How can I 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?

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

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Alternative routes for Dulles Intl to Port of Spain

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Top 2 airlines flying from Dulles Intl to Port of Spain

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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 December 12, 2025.