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Dulles Intl

$230+ Cheap flights from Trinidad and Tobago 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 9/30. Fares are subject to change and may not be available on all flights or dates of travel.
POS — IAD
Aug 4 — Aug 111
Mon 8/4
Mon 8/11
1 adult, Economy
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Cheap flight deals from Trinidad and Tobago to Dulles Intl

Keep the following information in mind while searching for Trinidad and Tobago to Dulles Intl flight deals. Data was last updated July 30, 2025.

Round-trip from

$382
(Copa Airlines)

One-way from

$230
(Copa Airlines)

Popular in

December

Cheapest in

February

Average price

$499
From Trinidad and Tobago to Washington, D.C. Dulles Intl
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One-way flight from Trinidad and Tobago to Washington, D.C. Dulles Intl
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Highest demand for flights based on searches. 9% potential increase in price ($50 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Trinidad and Tobago to Dulles Intl

Cheapest flights from Trinidad and Tobago to Dulles Intl
Explore the most affordable flight options available from Trinidad and Tobago to Dulles Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 30, 2025.

This Copa Airlines deal was found by Cheapflights users on 7/28. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/303:51 amPOS - IAD
1 stop11h 14mCopa Airlines
Tue 10/142:25 amIAD - POS
1 stop10h 52mCopa Airlines
Deal found 7/28$382
This United Airlines deal was found by Cheapflights users on 7/27. 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.
Tue 12/231:30 amPOS - IAD
1 stop23h 19mUnited Airlines
Tue 12/3010:15 pmIAD - POS
1 stop25h 08mUnited Airlines
Deal found 7/27$404
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Mon 9/83:25 pmPOS - IAD
2 stops18h 42mAmerican Airlines
Tue 9/167:21 pmIAD - POS
2 stops18h 55mAmerican Airlines
Deal found 7/29$414
This Priceline deal was found by Cheapflights users on 7/28. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:25 amPOS - IAD
2 stops18h 40mAir Canada
Sun 9/282:25 pmIAD - POS
1 stop10h 55mAir Canada
Deal found 7/28$459
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/116:25 pmPOS - IAD
1 stop20h 00mMultiple Airlines
Thu 9/183:15 pmIAD - POS
1 stop13h 00mMultiple Airlines
Deal found 7/28$557

Cheapflights Fare Finder

 
Customize your flight search to find flights from Trinidad and Tobago 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 July 30, 2025.
Use the filters below to find and compare flights from Trinidad and Tobago to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Trinidad and Tobago

Fly to

Dulles Intl

Route

Depart

Return

Price

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 9/30

3:51 am-3:05 pm

1 stop11h 14m

Washington, D.C. Dulles Intl

Tue 10/14

2:25 am-1:17 pm

1 stop10h 52m

$382

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 12/23

1:30 am-11:49 pm

1 stop23h 19m

Washington, D.C. Dulles Intl

Tue 12/30

10:15 pm-12:23 am

1 stop25h 08m

$404

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Mon 9/8

3:25 pm-10:07 am

2 stops18h 42m

Washington, D.C. Dulles Intl

Tue 9/16

7:21 pm-2:16 pm

2 stops18h 55m

$414

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 9/12

2:25 am-9:05 pm

2 stops18h 40m

Washington, D.C. Dulles Intl

Sun 9/28

2:25 pm-1:20 am

1 stop10h 55m

$459

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Thu 9/11

6:25 pm-2:25 pm

1 stop20h 00m

Washington, D.C. Dulles Intl

Thu 9/18

3:15 pm-4:15 am

1 stop13h 00m

$557

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 9/30

3:51 am-3:05 pm

1 stop11h 14m

$230

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Sun 9/7

2:25 am-9:05 pm

2 stops18h 40m

$254

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Sat 9/6

12:30 am-10:15 pm

1 stop21h 45m

$267

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 9/30

3:25 pm-1:51 pm

2 stops22h 26m

$273

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Sun 9/7

10:10 am-9:59 am

2 stops23h 49m

$306

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/30

Best time to book a flight from Trinidad and Tobago to Dulles Intl

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

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

Currently, July is the cheapest month in which you can book a flight from Trinidad and Tobago to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Trinidad and Tobago to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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 TT to IAD?

Find hourly flight availability from Trinidad and Tobago to Dulles Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated July 30, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Trinidad and Tobago to Washington, D.C. Dulles Intl Airport as you normally would.

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 July 30, 2025.
Read through reviews of airlines operating flights from Trinidad and Tobago to Washington, D.C. Dulles Intl Airport, such as Copa Airlines, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.5
Good
1,493 reviews

Entertainment

6.8

Food

6.8

Overall

7.5

Crew

8.1

Boarding

7.8

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
Copa Airlines
7.5
Good
1,493 reviews
Copa Airlines
7.5
Good
1,493 reviews

Entertainment

6.8

Food

6.8

Overall

7.5

Crew

8.1

Boarding

7.8

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
United Airlines
7.4
Good
8,896 reviews
Copa Airlines
7.5
Good
1,493 reviews

Entertainment

6.8

Food

6.8

Overall

7.5

Crew

8.1

Boarding

7.8

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
American Airlines
7.2
Good
10,000 reviews
Copa Airlines
7.5
Good
1,493 reviews

Entertainment

6.8

Food

6.8

Overall

7.5

Crew

8.1

Boarding

7.8

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.
Air Canada
7.1
Good
9,837 reviews
Copa Airlines
7.5
Good
1,493 reviews

Entertainment

6.8

Food

6.8

Overall

7.5

Crew

8.1

Boarding

7.8

Comfort

7.4

Reviews

1 / 20
4.0
Okay

Paul,Jun 2025

PTY - MIA

The boarding process was terrible. No one followed the group numbers. Everyone got up and stood in the tiles upon landing. People kept getting up during the meal and beverage service to go the bathrooms, the crew had to go back and forth in the isles, the service took forever.

Related info for your journey

Find useful and relevant information for your journey from Trinidad and Tobago 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 are the cheapest airlines to fly from Trinidad and Tobago to Washington, D.C. Dulles Intl Airport one-way?

    To fly one-way, consider booking your trip with Copa Airlines, which is currently one of the cheapest options available, starting at $230. Air Canada flights start at $254 while deals on American Airlines start at $273 one-way.

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

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

  • How can I find direct flights from Trinidad and Tobago 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 and Tobago to Dulles Intl.

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

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

    Currently, July is the cheapest month in which you can book a flight from Trinidad and Tobago to Washington, D.C. Dulles Intl Airport (average of $306). Flying from Trinidad and Tobago to Washington, D.C. Dulles Intl Airport in April is currently the most expensive (average of $337). 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
Woodbridge
Arlington
Alexandria
Tysons
Silver Spring
Fredericksburg
Gaithersburg
Towson
Linthicum Heights
Easton
Fairfax
Manassas
Falls Church
Waldorf
Laurel
Rockville
Oxon Hill
National Harbor
Dundalk
Bowie

Browse thousands of different options on Cheapflights for your next trip

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See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Trinidad and Tobago to Dulles Intl

Discover the top 3 airlines that operate flights from Trinidad and Tobago 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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$335Average$456FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$396Average$485FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$424Average$648FlexibilityNo cancel feeOn-time71%

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