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Trinidad and Tobago

$175+ Cheap flights from Dulles Intl (IAD) to Trinidad and Tobago

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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — POS
nov. 27 — déc. 41
jeu. 11/27
jeu. 12/4
1 adult, Economy
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Cheap flight deals from Dulles Intl to Trinidad and Tobago

Keep the following information in mind while searching for Dulles Intl to Trinidad and Tobago flight deals. Data was last updated octobre 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$379
(United Airlines)

One-way from

$175
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$513
Provider with most accurate pricing for Washington, D.C. (WAS)-Port of Spain Piarco Intl flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Port of Spain Piarco Intl flights.
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From Washington, D.C. Dulles Intl to Trinidad and Tobago
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One-way flight from Washington, D.C. Dulles Intl to Trinidad and Tobago
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Highest demand for flights based on searches. 5% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Dulles Intl to Trinidad and Tobago

Cheapest flights from Dulles Intl to Trinidad and Tobago
Explore the most affordable flight options available from Dulles Intl to Trinidad and Tobago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octobre 28, 2025.

This United Airlines deal was found by Cheapflights users on 10/25. 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.
mer. 12/36:00 amIAD - POS
1 stop17h 23mUnited Airlines
lun. 12/81:30 amPOS - IAD
1 stop10h 53mUnited Airlines
Deal found 10/25$379
This United Airlines deal was found by Cheapflights users on 10/26. 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.
ven. 12/126:00 amIAD - POS
1 stop17h 23mUnited Airlines
dim. 1/111:30 amPOS - IAD
1 stop20h 19mUnited Airlines
Deal found 10/26$387
This United Airlines deal was found by Cheapflights users on 10/26. 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.
dim. 11/25:00 amIAD - POS
1 stop17h 23mUnited Airlines
mar. 11/251:30 amPOS - IAD
1 stop20h 21mUnited Airlines
Deal found 10/26$394
This Copa Airlines deal was found by Cheapflights users on 10/28. 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.
jeu. 10/302:25 amIAD - POS
1 stop10h 52mCopa Airlines
mer. 11/123:48 amPOS - IAD
1 stop11h 14mCopa Airlines
Deal found 10/28$397
This American Airlines deal was found by Cheapflights users on 10/26. 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.
dim. 11/28:09 pmIAD - POS
2 stops18h 21mAmerican Airlines
mer. 11/264:30 pmPOS - IAD
2 stops21h 42mAmerican Airlines
Deal found 10/26$398
This United Airlines deal was found by Cheapflights users on 10/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mer. 11/128:30 amIAD - POS
1 stop14h 53mUnited Airlines
jeu. 5/2812:30 amPOS - IAD
1 stop22h 06mUnited Airlines
Deal found 10/28$402
This United Airlines deal was found by Cheapflights users on 10/27. 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.
mer. 10/298:30 amIAD - POS
1 stop14h 53mUnited Airlines
sam. 11/151:30 amPOS - IAD
1 stop10h 59mUnited Airlines
Deal found 10/27$409
This Copa Airlines deal was found by Cheapflights users on 10/27. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 10/314:41 pmIAD - POS
1 stop9h 05mCopa Airlines
lun. 11/32:26 pmPOS - IAD
1 stop10h 07mCopa Airlines
Deal found 10/27$412
This American Airlines deal was found by Cheapflights users on 10/26. 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.
jeu. 11/138:09 pmIAD - POS
2 stops18h 21mAmerican Airlines
jeu. 11/207:19 amPOS - IAD
2 stops17h 40mAmerican Airlines
Deal found 10/26$413
This American Airlines deal was found by Cheapflights users on 10/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 11/75:35 pmIAD - POS
2 stops20h 55mAmerican Airlines
dim. 11/94:30 pmPOS - IAD
2 stops22h 05mAmerican Airlines
Deal found 10/27$418
This Air Canada deal was found by Cheapflights users on 10/25. 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.
ven. 11/149:00 amIAD - POS
1 stop15h 10mAir Canada
dim. 11/162:15 amPOS - IAD
1 stop19h 11mAir Canada
Deal found 10/25$433
This United Airlines deal was found by Cheapflights users on 10/26. 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.
lun. 12/812:45 pmIAD - POS
1 stop10h 38mUnited Airlines
mer. 12/101:30 amPOS - IAD
1 stop10h 53mUnited Airlines
Deal found 10/26$435

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Trinidad and Tobago 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 octobre 28, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Trinidad and Tobago that are best for you.

Fly from

Dulles Intl

Fly to

Trinidad and Tobago

Route

Depart

Return

Price

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

jeu. 2/5

8:15 am-12:23 am

1 stop15h 08m

Port of Spain Piarco Intl

dim. 2/8

1:30 am-8:49 pm

1 stop20h 19m

$379

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

sam. 1/17

8:15 am-12:23 am

1 stop15h 08m

Port of Spain Piarco Intl

sam. 1/24

1:30 am-11:24 am

1 stop10h 54m

$379

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

mar. 2/3

1:18 am-1:11 pm

1 stop10h 53m

Port of Spain Piarco Intl

mar. 2/24

3:40 am-2:00 pm

1 stop11h 20m

$444

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

mer. 4/1

9:32 am-1:44 am

1 stop16h 12m

Port of Spain Piarco Intl

mar. 4/7

3:40 am-2:58 pm

1 stop11h 18m

$489

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

ven. 3/6

1:00 pm-12:23 am

1 stop10h 23m

Port of Spain Piarco Intl

mer. 3/18

12:30 am-11:40 am

1 stop11h 10m

$489

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

jeu. 1/15

8:15 am-12:23 am

1 stop15h 08m

Port of Spain Piarco Intl

lun. 1/26

1:30 am-11:23 am

1 stop10h 53m

$489

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

mer. 3/11

8:25 am-11:23 pm

1 stop14h 58m

Port of Spain Piarco Intl

mar. 3/24

12:30 am-11:40 am

1 stop11h 10m

$489

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

ven. 1/16

6:03 am-12:23 am

1 stop17h 20m

Port of Spain Piarco Intl

lun. 1/26

1:30 am-11:23 am

1 stop10h 53m

$489

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

sam. 1/17

8:15 am-12:23 am

1 stop15h 08m

Port of Spain Piarco Intl

lun. 1/26

1:30 am-11:23 am

1 stop10h 53m

$489

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

lun. 3/9

8:25 am-11:23 pm

1 stop14h 58m

Port of Spain Piarco Intl

mer. 3/18

12:30 am-11:40 am

1 stop11h 10m

$489

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 23 results
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Best time to book a flight from Dulles Intl to Trinidad and Tobago

Have a flexible travel schedule? Discover the best time to fly to Trinidad and Tobago 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 Trinidad and Tobago

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

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Trinidad and Tobago (average of $196). Flying from Washington, D.C. Dulles Intl Airport to Trinidad and Tobago in December is currently the most expensive (average of $448). 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 TT?

Find hourly flight availability from Dulles Intl to Trinidad and Tobago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octobre 28, 2025.

One of the essential ways to save on airfare from Washington, D.C. Dulles Intl Airport to Trinidad and Tobago is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the evening could potentially save you up to 29% on airfare.

Reviews of airlines servicing Trinidad and Tobago

Get insights into the airlines that provide service to Trinidad and Tobago. 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 Trinidad and Tobago. Reviews last updated octobre 28, 2025.
Read reviews from past customers who have flown Copa Airlines and United Airlines from Washington, D.C. Dulles Intl Airport to Trinidad and Tobago. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,560 reviews

Overall

7.6

Food

6.8

Entertainment

6.8

Comfort

7.4

Crew

8.1

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
1,560 reviews
Copa Airlines
7.6
Good
1,560 reviews

Overall

7.6

Food

6.8

Entertainment

6.8

Comfort

7.4

Crew

8.1

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
8,996 reviews
Copa Airlines
7.6
Good
1,560 reviews

Overall

7.6

Food

6.8

Entertainment

6.8

Comfort

7.4

Crew

8.1

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 Dulles Intl to Trinidad and Tobago. 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 Washington, D.C. Dulles Intl Airport to Trinidad and Tobago?

    A quick flight from Washington, D.C. Dulles Intl Airport to Trinidad and Tobago can take about 10h 53m. United Airlines provides one of the quickest options available for as low as $444. Washington, D.C. Dulles Intl Airport and Trinidad and Tobago are separated by a distance of 2195 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dulles Intl to Trinidad and Tobago 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 Trinidad and Tobago?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Trinidad and Tobago (average of $196). Flying from Washington, D.C. Dulles Intl Airport to Trinidad and Tobago in December is currently the most expensive (average of $448). 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 Trinidad and Tobago

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Dulles Intl to Trinidad and Tobago

Discover the top 2 airlines that operate flights from Dulles Intl to Trinidad and Tobago. 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 octobre 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$312Average$539FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$368Average$528FlexibilityNo cancel feeOn-time69%

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