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$173+ Cheap flights from Dulles Intl (IAD) to Trinidad

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — POS
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Dulles Intl to Trinidad

Keep the following information in mind while searching for Dulles Intl to Trinidad flight deals. Data was last updated September 16, 2025.

Round-trip from

$352
(Copa Airlines)

One-way from

$173
(Copa Airlines)

Popular in

December

Cheapest in

September

Average price

$403
From Washington, D.C. Dulles Intl to Trinidad
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One-way flight from Washington, D.C. Dulles Intl to Trinidad
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Highest demand for flights based on searches. 0% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Dulles Intl to Trinidad

Cheapest flights from Dulles Intl to Trinidad
Explore the most affordable flight options available from Dulles Intl to Trinidad. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Copa Airlines deal was found by Cheapflights users on 9/14. 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 10/282:25 amIAD - POS
1 stop10h 52mCopa Airlines
Wed 11/52:26 pmPOS - IAD
1 stop13h 56mCopa Airlines
Deal found 9/14$352
This Copa Airlines deal was found by Cheapflights users on 9/15. 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 10/169:34 amIAD - POS
1 stop16h 12mCopa Airlines
Wed 10/293:51 amPOS - IAD
1 stop11h 14mCopa Airlines
Deal found 9/15$367
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 10/234:41 pmIAD - POS
1 stop9h 05mCopa Airlines
Wed 10/292:16 pmPOS - IAD
1 stop14h 04mCopa Airlines
Deal found 9/15$369
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/212:25 amIAD - POS
1 stop10h 52mCopa Airlines
Wed 10/292:16 pmPOS - IAD
1 stop10h 17mCopa Airlines
Deal found 9/15$370
This Copa Airlines deal was found by Cheapflights users on 9/13. 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.
Sat 10/114:41 pmIAD - POS
1 stop9h 05mCopa Airlines
Fri 10/172:40 pmPOS - IAD
1 stop9h 50mCopa Airlines
Deal found 9/13$372
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Tue 10/212:25 amIAD - POS
1 stop10h 52mCopa Airlines
Fri 10/242:40 pmPOS - IAD
1 stop9h 50mCopa Airlines
Deal found 9/15$374
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Wed 10/154:41 pmIAD - POS
1 stop9h 05mCopa Airlines
Wed 10/222:40 pmPOS - IAD
1 stop9h 50mCopa Airlines
Deal found 9/15$376
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/146:01 amIAD - POS
1 stop17h 22mUnited Airlines
Tue 10/2112:30 amPOS - IAD
1 stop20h 30mUnited Airlines
Deal found 9/15$378
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/56:00 amIAD - POS
1 stop17h 23mUnited Airlines
Mon 12/81:30 amPOS - IAD
1 stop20h 12mUnited Airlines
Deal found 9/16$379
This Kiwi.com deal was found by Cheapflights users on 9/15. 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.
Mon 10/134:41 pmIAD - POS
1 stop9h 05mCopa Airlines
Fri 10/242:40 pmPOS - IAD
1 stop9h 50mCopa Airlines
Deal found 9/15$381
This American Airlines deal was found by Cheapflights users on 9/14. 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 11/268:09 pmIAD - POS
2 stops18h 21mAmerican Airlines
Mon 12/14:30 pmPOS - IAD
2 stops22h 05mAmerican Airlines
Deal found 9/14$383
This United Airlines deal was found by Cheapflights users on 9/15. 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 10/316:00 amIAD - POS
1 stop17h 23mUnited Airlines
Thu 11/61:30 amPOS - IAD
1 stop21h 42mUnited Airlines
Deal found 9/15$386

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dulles Intl to Trinidad 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 16, 2025.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Trinidad that are best for you.

Fly from

Dulles Intl

Fly to

Trinidad

Route

Depart

Return

Price

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Tue 2/3

1:18 am-1:11 pm

1 stop10h 53m

Port of Spain Piarco Intl

Wed 2/11

2:16 pm-3:15 am

1 stop13h 59m

$352

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Thu 1/22

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

$352

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Thu 10/30

2:25 am-1:17 pm

1 stop10h 52m

Port of Spain Piarco Intl

Fri 11/7

2:26 pm-3:22 am

1 stop13h 56m

$352

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Thu 10/16

9:34 am-1:46 am

1 stop16h 12m

Port of Spain Piarco Intl

Wed 10/29

3:51 am-3:05 pm

1 stop11h 14m

$367

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Fri 10/24

8:30 am-11:23 pm

1 stop14h 53m

Port of Spain Piarco Intl

Wed 10/29

12:30 am-8:51 pm

1 stop20h 21m

$378

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Tue 10/14

6:01 am-11:23 pm

1 stop17h 22m

Port of Spain Piarco Intl

Tue 10/21

12:30 am-9:00 pm

1 stop20h 30m

$378

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Sat 10/11

12:50 pm-11:23 pm

1 stop10h 33m

Port of Spain Piarco Intl

Thu 10/16

12:30 am-7:03 pm

1 stop18h 33m

$378

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Fri 11/21

6:00 am-12:23 am

1 stop17h 23m

Port of Spain Piarco Intl

Wed 12/17

1:30 am-9:04 pm

1 stop20h 34m

$379

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Wed 10/1

6:01 am-11:23 pm

1 stop17h 22m

Port of Spain Piarco Intl

Thu 10/30

12:30 am-11:28 am

1 stop10h 58m

$393

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Tue 10/14

10:25 am-2:25 pm

2 stops28h 00m

Port of Spain Piarco Intl

Wed 10/22

3:25 pm-5:11 pm

2 stops25h 46m

$398

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 19 results
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Best time to book a flight from Dulles Intl to Trinidad

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

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Trinidad (average of $435). Flying from Washington, D.C. Dulles Intl Airport to Trinidad in December is currently the most expensive (average of $710). 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 LAZ?

Find hourly flight availability from Dulles Intl to Trinidad. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

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

Reviews of airlines servicing Trinidad

Get insights into the airlines that provide service to Trinidad. 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. Reviews last updated September 16, 2025.
Get a feel of what it's like to fly with Copa Airlines and United Airlines from Washington, D.C. Dulles Intl Airport to Trinidad by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.6
Good
1,531 reviews

Comfort

7.4

Crew

8.1

Entertainment

6.8

Food

6.8

Overall

7.6

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

Comfort

7.4

Crew

8.1

Entertainment

6.8

Food

6.8

Overall

7.6

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
8,924 reviews
Copa Airlines
7.6
Good
1,531 reviews

Comfort

7.4

Crew

8.1

Entertainment

6.8

Food

6.8

Overall

7.6

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. 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?

    A quick flight from Washington, D.C. Dulles Intl Airport to Trinidad can take about 10h 53m. Copa Airlines provides one of the quickest options available for as low as $352. The distance from Washington, D.C. Dulles Intl Airport to Trinidad is about 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 that include hotel bookings?

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

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

    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.

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

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

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Trinidad (average of $435). Flying from Washington, D.C. Dulles Intl Airport to Trinidad in December is currently the most expensive (average of $710). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Dulles Intl to Trinidad

Discover the top 2 airlines that operate flights from Dulles Intl to Trinidad. 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 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$312Average$545FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$367Average$578FlexibilityNo cancel feeOn-time69%

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