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Dulles Intl

$267+ Cheap flights from Trinidad 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 3/13. Fares are subject to change and may not be available on all flights or dates of travel.
POS — IAD
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from Trinidad to Dulles Intl

Cheapest flights from Trinidad to Dulles Intl
Explore the most affordable flight options available from Trinidad to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This Copa Airlines deal was found by Cheapflights users on 1/19. 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.
Tue 3/173:46 am
POS
-
IAD
1 stop11h 14m
Copa Airlines
Sat 3/214:35 pm
IAD
-
POS
1 stop9h 11m
Copa Airlines
Deal found 1/19$330
This Copa Airlines deal was found by Cheapflights users on 1/19. 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 1/293:40 am
POS
-
IAD
1 stop11h 18m
Copa Airlines
Tue 2/33:35 pm
IAD
-
POS
1 stop9h 09m
Copa Airlines
Deal found 1/19$344
This Copa Airlines deal was found by Cheapflights users on 1/18. 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.
Mon 1/193:13 am
POS
-
IAD
1 stop11h 45m
Copa Airlines
Tue 1/273:25 pm
IAD
-
POS
1 stop9h 19m
Copa Airlines
Deal found 1/18$356
This Copa Airlines deal was found by Cheapflights users on 1/19. 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.
Wed 3/43:46 am
POS
-
IAD
1 stop11h 14m
Copa Airlines
Thu 3/124:35 pm
IAD
-
POS
1 stop9h 11m
Copa Airlines
Deal found 1/19$449
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/283:46 am
POS
-
IAD
1 stop24h 29m
Copa Airlines
Sun 3/84:35 pm
IAD
-
POS
1 stop9h 11m
Copa Airlines
Deal found 1/18$465
This Priceline deal was found by Cheapflights users on 1/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/292:20 am
POS
-
IAD
1 stop14h 26m
Air Canada
Tue 2/39:45 am
IAD
-
POS
2 stops14h 35m
Air Canada
Deal found 1/19$481
This Air Canada deal was found by Cheapflights users on 1/18. 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 2/132:20 am
POS
-
IAD
1 stop19h 09m
Air Canada
Fri 2/209:00 am
IAD
-
POS
1 stop15h 20m
Air Canada
Deal found 1/18$487
This Air Canada deal was found by Cheapflights users on 1/19. 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.
Tue 1/202:20 am
POS
-
IAD
1 stop19h 06m
Air Canada
Fri 1/309:00 am
IAD
-
POS
1 stop15h 20m
Air Canada
Deal found 1/19$498

Find flight deals from Trinidad to Dulles Intl

Keep the following information in mind while searching for Trinidad to Dulles Intl flight deals. Data was last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$330
(Copa Airlines)

One-way from

$267
(Air Canada)

Popular in

April

Cheapest in

February
Provider with most accurate pricing for Port of Spain Piarco Intl-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Port of Spain Piarco Intl-Washington, D.C. (WAS) flights.
Search Deals
From Trinidad to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Trinidad to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trinidad to Dulles Intl 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 January 20, 2026.
Use the filters below to find and compare flights from Trinidad to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Trinidad

Fly to

Dulles Intl

Route

Depart

Return

Price

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Wed 3/18

2:16 pm-12:32 am

1 stop10h 16m

Washington, D.C. Dulles Intl

Sat 3/21

4:35 pm-1:46 am

1 stop9h 11m

$330

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Thu 1/29

3:40 am-1:58 pm

1 stop11h 18m

Washington, D.C. Dulles Intl

Tue 2/3

3:35 pm-1:44 am

1 stop9h 09m

$344

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

Thu 3/12

4:35 pm-1:46 am

1 stop9h 11m

$449

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 3/6

2:16 pm-11:32 pm

1 stop10h 16m

Washington, D.C. Dulles Intl

Mon 3/9

4:35 pm-1:46 am

1 stop9h 11m

$449

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Sat 2/28

3:46 am-3:15 am

1 stop24h 29m

Washington, D.C. Dulles Intl

Sun 3/8

4:35 pm-1:46 am

1 stop9h 11m

$465

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Thu 4/2

1:20 am-3:39 pm

1 stop14h 19m

Washington, D.C. Dulles Intl

Tue 4/7

9:00 am-12:20 am

1 stop15h 20m

$487

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 2/13

2:20 am-8:29 pm

1 stop19h 09m

Washington, D.C. Dulles Intl

Fri 2/20

9:00 am-1:20 am

1 stop15h 20m

$487

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Sun 1/25

2:20 am-8:26 pm

1 stop19h 06m

$267

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 3/13

1:20 am-3:46 pm

1 stop14h 26m

$267

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 3/3

2:20 am-8:26 pm

1 stop19h 06m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 14 results
1
2

Best time to book a flight from Trinidad to Dulles Intl

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

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

Currently, December is the cheapest month in which you can book a flight from Trinidad to Washington, D.C. Dulles Intl Airport (average of $222). Flying from Trinidad to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $583). 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.

Reviews of airlines servicing Dulles Intl

Get insights into the airlines that provide service to Dulles Intl. 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 Dulles Intl. Reviews last updated January 20, 2026.
Peruse reviews from past customers who have flown with Copa Airlines and United Airlines from Trinidad to Washington, D.C. Dulles Intl Airport to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,559 reviews

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it
Copa Airlines
7.6
Good
1,559 reviews
Copa Airlines
7.6
Good
1,559 reviews

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it
United Airlines
7.4
Good
9,189 reviews
Copa Airlines
7.6
Good
1,559 reviews

Boarding

7.8

Crew

8.1

Comfort

7.4

Food

6.8

Entertainment

6.8

Overall

7.6

Reviews

1 / 20
2.0
Mediocre

Maria,Dec 2025

PTY - SLA

Old plain no entertainment , no outlet for cell or computer! And online they said you have all that! Almost 6 hrs looking to the floor..terrible expirencw and I pay a lot of money for it

Related info for your journey

Find useful and relevant information for your journey from Trinidad to Dulles Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Trinidad to Washington, D.C. Dulles Intl Airport?

    Airlines like Copa Airlines fly from Trinidad to Washington, D.C. Dulles Intl Airport in about 10h 16m. The time it takes to get you to your destination can typically vary by up to . There are 2195 mi between Trinidad and Washington, D.C. Dulles Intl Airport.

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

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

  • How can I find direct flights from Trinidad to Dulles Intl?

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

  • Can I find deals for business class flights from Trinidad to Dulles Intl?

    Yes. Cheapflights offers flight deals from Trinidad 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 Trinidad to Washington, D.C. Dulles Intl Airport?

    Currently, December is the cheapest month in which you can book a flight from Trinidad to Washington, D.C. Dulles Intl Airport (average of $222). Flying from Trinidad to Washington, D.C. Dulles Intl Airport in November is currently the most expensive (average of $583). 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

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

Book flights to Washington, D.C. Dulles Intl Airport if you plan to visit one of these locations
Alexandria
Woodbridge
Tysons
Arlington
Owings Mills
Springfield
Silver Spring
Hanover
Herndon
Fredericksburg
Linthicum Heights
Rockville
Laurel
Towson
Manassas
Largo
Bowie
McLean
Clinton
Upper Marlboro

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Trinidad to Dulles Intl

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

Top 2 airlines flying from Trinidad to Dulles Intl

Discover the top 2 airlines that operate flights from Trinidad to Dulles Intl. 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$222Average$456FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$404Average$516FlexibilityNo cancel feeOn-time69%

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