HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
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 10/10. Fares are subject to change and may not be available on all flights or dates of travel.
POS — IAD
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Trinidad and Tobago to Dulles Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 September 11, 2025.

Round-trip from

$383
(Copa Airlines)

One-way from

$230
(Copa Airlines)

Popular in

December

Cheapest in

February

Average price

$496
From Trinidad and Tobago to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Trinidad and Tobago to Washington, D.C. Dulles Intl
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($46 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

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 September 11, 2025.

This Copa Airlines deal was found by Cheapflights users on 9/10. 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 10/292:27 pmPOS - IAD
1 stop10h 06mCopa Airlines
Sun 11/21:13 amIAD - POS
1 stop11h 04mCopa Airlines
Deal found 9/10$383
This Copa Airlines deal was found by Cheapflights users on 9/10. 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.
Fri 10/102:40 pmPOS - IAD
1 stop13h 40mCopa Airlines
Fri 10/174:41 pmIAD - POS
1 stop9h 05mCopa Airlines
Deal found 9/10$398
This Copa Airlines deal was found by Cheapflights users on 9/10. 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 10/293:51 amPOS - IAD
1 stop11h 14mCopa Airlines
Sun 11/21:13 amIAD - POS
1 stop11h 04mCopa Airlines
Deal found 9/10$400
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Fri 10/1012:30 amPOS - IAD
1 stop23h 21mUnited Airlines
Sun 10/196:01 amIAD - POS
1 stop17h 22mUnited Airlines
Deal found 9/11$407
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Thu 10/912:30 amPOS - IAD
1 stop23h 21mUnited Airlines
Fri 10/176:01 amIAD - POS
1 stop17h 22mUnited Airlines
Deal found 9/10$408
This United Airlines deal was found by Cheapflights users on 9/11. 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 11/181:30 amPOS - IAD
1 stop10h 58mUnited Airlines
Thu 12/46:00 amIAD - POS
1 stop17h 23mUnited Airlines
Deal found 9/11$410
This American Airlines deal was found by Cheapflights users on 9/10. 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 10/297:00 amPOS - IAD
2 stops26h 55mAmerican Airlines
Mon 11/35:29 pmIAD - POS
2 stops21h 01mAmerican Airlines
Deal found 9/10$414
This United Airlines deal was found by Cheapflights users on 9/11. 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 9/3012:30 amPOS - IAD
1 stop15h 54mUnited Airlines
Wed 10/156:01 amIAD - POS
1 stop17h 22mUnited Airlines
Deal found 9/11$426
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 10/183:51 amPOS - IAD
1 stop20h 39mCopa Airlines
Sun 11/21:13 amIAD - POS
1 stop11h 04mCopa Airlines
Deal found 9/9$427
This Copa Airlines deal was found by Cheapflights users on 9/11. 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 10/12:40 pmPOS - IAD
1 stop13h 40mCopa Airlines
Wed 10/154:41 pmIAD - POS
1 stop9h 05mCopa Airlines
Deal found 9/11$431
This United Airlines deal was found by Cheapflights users on 9/11. 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.
Wed 9/2412:30 amPOS - IAD
1 stop21h 36mUnited Airlines
Thu 10/28:30 amIAD - POS
1 stop14h 53mUnited Airlines
Deal found 9/11$441

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 September 11, 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

Wed 10/29

2:27 pm-12:33 am

1 stop10h 06m

Washington, D.C. Dulles Intl

Sun 11/2

1:13 am-1:17 pm

1 stop11h 04m

$383

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 10/10

2:40 pm-4:20 am

1 stop13h 40m

Washington, D.C. Dulles Intl

Fri 10/17

4:41 pm-1:46 am

1 stop9h 05m

$398

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Wed 10/29

3:51 am-3:05 pm

1 stop11h 14m

Washington, D.C. Dulles Intl

Sun 11/2

1:13 am-1:17 pm

1 stop11h 04m

$400

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 10/10

12:30 am-11:51 pm

1 stop23h 21m

Washington, D.C. Dulles Intl

Sun 10/19

6:01 am-11:23 pm

1 stop17h 22m

$407

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Sun 10/19

12:30 am-11:51 pm

1 stop23h 21m

Washington, D.C. Dulles Intl

Sun 11/2

5:00 am-11:23 pm

1 stop17h 23m

$408

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 10/28

12:30 am-11:28 am

1 stop10h 58m

Washington, D.C. Dulles Intl

Sun 11/23

10:10 pm-12:23 am

1 stop25h 13m

$408

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 11/18

1:30 am-11:28 am

1 stop10h 58m

Washington, D.C. Dulles Intl

Thu 12/4

6:00 am-12:23 am

1 stop17h 23m

$410

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 10/7

12:30 am-9:00 pm

1 stop20h 30m

Washington, D.C. Dulles Intl

Sun 10/12

6:01 am-11:23 pm

1 stop17h 22m

$426

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 9/30

12:30 am-7:03 pm

1 stop18h 33m

Washington, D.C. Dulles Intl

Wed 10/15

10:45 am-11:23 pm

1 stop12h 38m

$426

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Wed 10/1

2:40 pm-4:20 am

1 stop13h 40m

Washington, D.C. Dulles Intl

Wed 10/15

9:34 am-1:46 am

1 stop16h 12m

$431

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/8

Showing 1-10 of 21 results
1
2
3

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, August is the cheapest month in which you can book a flight from Trinidad and Tobago to Washington, D.C. Dulles Intl Airport (average of $292). 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 September 11, 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 September 11, 2025.
Read through reviews of airlines operating flights from Trinidad and Tobago to Washington, D.C. Dulles Intl Airport, such as Copa Airlines and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,531 reviews

Crew

8.1

Overall

7.6

Entertainment

6.8

Comfort

7.4

Food

6.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
Copa Airlines
7.6
Good
1,531 reviews
Copa Airlines
7.6
Good
1,531 reviews

Crew

8.1

Overall

7.6

Entertainment

6.8

Comfort

7.4

Food

6.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip
United Airlines
7.4
Good
8,937 reviews
Copa Airlines
7.6
Good
1,531 reviews

Crew

8.1

Overall

7.6

Entertainment

6.8

Comfort

7.4

Food

6.8

Boarding

7.8

Reviews

1 / 20
4.0
Okay

Juan Pablo,Sep 2025

PTY - VVI

not a good expirience, the plane was packed, the seats wear very unconftrable, coudent conect with the entratainmente service on the plane, the onboarding was in charge of a very angry lady i really had a unplesent trip

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.

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

    Copa Airlines and United Airlines can get you from Trinidad and Tobago to Washington, D.C. Dulles Intl Airport in just under 10h 06m. Your travel time can differ by up to 13h 15m. Airlines will cover a distance of 2195 mi. This flight may include one or multiple stops.

  • 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, August is the cheapest month in which you can book a flight from Trinidad and Tobago to Washington, D.C. Dulles Intl Airport (average of $292). 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
Alexandria
Arlington
Tysons
Silver Spring
Springfield
Gaithersburg
Fredericksburg
Linthicum Heights
Fairfax
Falls Church
Owings Mills
Manassas
Rockville
Hanover
Oxon Hill
Laurel
Towson
Dundalk
National Harbor

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Trinidad and Tobago to Dulles Intl

See prices for flight routes from nearby airports that may be better suited for you.
Luis Munoz Marin Intl to Baltimore flights
Luis Munoz Marin Intl to Reagan-National flights
Luis Munoz Marin Intl to Dulles Intl flights
Nassau to Dulles Intl flights
Nassau to Reagan-National flights
Port of Spain to Dulles Intl flights
Nassau to Baltimore flights
Saint Thomas Island to Dulles Intl flights
Port of Spain to Baltimore flights
Port of Spain to Reagan-National flights
Santo Domingo to Dulles Intl flights
Saint Thomas Island to Reagan-National flights
Kingston to Dulles Intl flights
Saint Thomas Island to Baltimore flights
Santo Domingo to Baltimore flights
Kingston to Baltimore flights
Santo Domingo to Reagan-National flights
Montego Bay to Baltimore flights
Kingston to Reagan-National flights
Simpson Bay to Dulles Intl flights
Punta Cana to Baltimore flights
Montego Bay to Dulles Intl flights
Ponce to Dulles Intl flights
Punta Cana to Dulles Intl flights
Montego Bay to Reagan-National flights
Bridgetown to Reagan-National flights
Santiago de los Caballeros to Baltimore flights
Bridgetown to Dulles Intl flights
Simpson Bay to Baltimore flights
Santiago de los Caballeros to Reagan-National flights
Bridgetown to Baltimore flights
Ponce to Reagan-National flights
George Town to Dulles Intl flights
George Town to Baltimore flights
Christiansted to Baltimore flights
Simpson Bay to Reagan-National flights
Santiago de los Caballeros to Dulles Intl flights
Punta Cana to Reagan-National flights
Oranjestad to Dulles Intl flights
Oranjestad to Reagan-National flights
Oranjestad to Baltimore flights
Castries to Baltimore flights
George Town to Reagan-National flights
St. George's to Reagan-National flights
Christiansted to Dulles Intl flights
Aguadilla to Reagan-National flights
St. John's to Reagan-National flights
Willemstad to Dulles Intl flights
Freeport to Dulles Intl flights
Christiansted to Reagan-National flights

Top 2 airlines flying from Trinidad and Tobago to Dulles Intl

Discover the top 2 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$335Average$450FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$396Average$434FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.