HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

$225+ Cheap flights from Port of Spain (POS) 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 8/28. Fares are subject to change and may not be available on all flights or dates of travel.
POS — IAD
Jul 31 — Aug 71
From?
To?
Wed 7/31
Wed 8/7
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Leverage Cheapflights for Your Next Trip

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 Port of Spain to Dulles Intl

Discover tips and strategies to find the most affordable flight options for your journey from Port of Spain (POS) to Dulles Intl (IAD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 26, 2024.

Popular in

December

Cheapest in

November

Round-trip from

$386
(United)

One-way from

$225
(Copa Airlines)
High demand for flights, 35% potential price rise
Search Deals
Best time to find cheap flights, 31% potential price drop
Search Deals
From Port of Spain Piarco Intl to Washington, D.C. Dulles Intl
Search Deals
One-way flight from Port of Spain Piarco Intl to Washington, D.C. Dulles Intl
Search Deals

What is the cheapest day to fly round-trip from Port of Spain to Washington, D.C. Dulles Intl Airport?

It’s generally more expensive to depart on a Wednesday, if you have to leave on this day you can still search on Cheapflights to find great options that meet your needs.

How far in advance should I book a flight from Port of Spain to Washington, D.C. Dulles Intl Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 48 days in advance, which can save you up to 77% on flights from Port of Spain to Washington, D.C. Dulles Intl Airport compared to booking the week you need them. Waiting 48 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at $406. For sooner than that we have options available in the next 3 days from $658.

What is the cheapest month to fly from Port of Spain to Washington, D.C. Dulles Intl Airport?

Due to multiple factors, expect to potentially pay more when booking in June. For low rates, January can be a great choice for travel to Washington, D.C. Dulles Intl Airport. Flights to Washington, D.C. Dulles Intl Airport from Port of Spain in January are about $540 on average during January, but can be found for as low as $475.

What is the cheapest time of day to fly from POS to IAD?

It’s typically best to fly out from Port of Spain to Washington, D.C. Dulles Intl Airport at noon. Doing so could potentially save you 23% on the flight price compared to flying in the afternoon, which is usually more expensive.

Cheap Port of Spain to Dulles Intl flights in July & August 2024

Find cheap flight options from Port of Spain to Dulles Intl specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 26, 2024.
The lowest fares we've come across on flights traveling from Port of Spain to Washington, D.C. in July and August 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This Copa Airlines deal was found by Cheapflights users on 7/24. 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 8/232:35 pmPOS - IAD
1 stop13h 45mCopa Airlines
Thu 8/292:25 amIAD - POS
1 stop10h 52mCopa Airlines
Deal found 7/24$510
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/2012:30 amPOS - IAD
1 stop23h 32mUnited Airlines
Wed 12/412:50 pmIAD - POS
1 stop10h 33mUnited Airlines
Deal found 7/24$522
This Kiwi.com deal was found by Cheapflights users on 7/24. 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.
Fri 8/232:35 pmPOS - IAD
1 stop13h 45mCopa Airlines
Fri 8/304:34 pmIAD - POS
1 stop20h 43mCopa Airlines
Deal found 7/24$566
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Fri 8/3012:30 amPOS - IAD
1 stop11h 08mUnited Airlines
Sun 9/110:08 pmIAD - POS
1 stop25h 15mUnited Airlines
Deal found 7/25$578
This Copa Airlines deal was found by Cheapflights users on 7/24. 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 8/22:35 pmPOS - IAD
1 stop13h 45mCopa Airlines
Tue 1/143:24 pmIAD - POS
1 stop9h 09mCopa Airlines
Deal found 7/24$599
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/2012:30 amPOS - IAD
1 stop23h 32mUnited Airlines
Tue 12/35:20 pmIAD - POS
1 stop30h 03mUnited Airlines
Deal found 7/24$620
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/112:30 amPOS - IAD
1 stop23h 22mUnited Airlines
Wed 1/228:25 amIAD - POS
1 stop14h 58mUnited Airlines
Deal found 7/25$625
This Copa Airlines deal was found by Cheapflights users on 7/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/312:35 pmPOS - IAD
1 stop13h 45mCopa Airlines
Sun 9/14:34 pmIAD - POS
1 stop9h 09mCopa Airlines
Deal found 7/25$627
This Copa Airlines deal was found by Cheapflights users on 7/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/22:35 pmPOS - IAD
1 stop9h 56mCopa Airlines
Wed 1/223:24 pmIAD - POS
1 stop9h 09mCopa Airlines
Deal found 7/25$632

Port of Spain to Dulles Intl 2024 flight deals

Discover exclusive flight deals for travel between Port of Spain and Dulles Intl in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 26, 2024.
The lowest fares we've come across on flights traveling from Port of Spain to Washington, D.C. in July and August 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/512:30 amPOS - IAD
1 stop20h 23mUnited Airlines
Thu 10/36:18 amIAD - POS
1 stop17h 05mUnited Airlines
Deal found 7/25$386
This Copa Airlines deal was found by Cheapflights users on 7/24. 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 10/153:44 amPOS - IAD
1 stop11h 22mCopa Airlines
Mon 10/214:34 pmIAD - POS
1 stop9h 09mCopa Airlines
Deal found 7/24$388
This United Airlines deal was found by Cheapflights users on 7/24. 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 9/1812:30 amPOS - IAD
1 stop23h 29mUnited Airlines
Tue 9/246:20 amIAD - POS
1 stop17h 03mUnited Airlines
Deal found 7/24$389
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/84:18 pmPOS - IAD
2 stops19h 09mAmerican Airlines
Tue 11/125:51 pmIAD - POS
2 stops20h 06mAmerican Airlines
Deal found 7/25$390
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Fri 11/84:18 pmPOS - IAD
2 stops19h 09mAmerican Airlines
Tue 11/128:47 amIAD - POS
2 stops12h 32mAmerican Airlines
Deal found 7/24$401
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 11/23:18 pmPOS - IAD
2 stops22h 12mAmerican Airlines
Sat 11/95:51 pmIAD - POS
2 stops20h 06mAmerican Airlines
Deal found 7/24$404
This United deal was found by Cheapflights users on 7/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/612:30 amPOS - IAD
1 stop20h 23mUnited Airlines
Sat 9/148:35 amIAD - POS
1 stop14h 48mUnited Airlines
Deal found 7/24$408
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 10/33:20 pmPOS - IAD
2 stops24h 58mAmerican Airlines
Sat 10/125:00 pmIAD - POS
2 stops21h 05mAmerican Airlines
Deal found 7/24$415
This United deal was found by Cheapflights users on 7/24. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:30 amPOS - IAD
1 stop11h 20mUnited Airlines
Sat 10/126:10 amIAD - POS
1 stop17h 13mUnited Airlines
Deal found 7/24$423

Port of Spain to Dulles Intl flights leaving soon

Find last-minute flight options from Port of Spain to Dulles Intl for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 26, 2024.
Book one of these great deals on flights from Port of Spain to Washington, D.C.. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
This Copa Airlines deal was found by Cheapflights users on 7/24. 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 8/22:35 pmPOS - IAD
1 stop13h 45mCopa Airlines
Tue 1/143:24 pmIAD - POS
1 stop9h 09mCopa Airlines
Deal found 7/24$599
This United deal was found by Cheapflights users on 7/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/112:30 amPOS - IAD
1 stop23h 22mUnited Airlines
Wed 1/228:25 amIAD - POS
1 stop14h 58mUnited Airlines
Deal found 7/25$625
This Copa Airlines deal was found by Cheapflights users on 7/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/22:35 pmPOS - IAD
1 stop9h 56mCopa Airlines
Wed 1/223:24 pmIAD - POS
1 stop9h 09mCopa Airlines
Deal found 7/25$632
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 8/412:30 amPOS - IAD
1 stop22h 15mUnited Airlines
Wed 1/158:25 amIAD - POS
1 stop14h 58mUnited Airlines
Deal found 7/24$637
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sun 8/412:30 amPOS - IAD
1 stop23h 22mUnited Airlines
Sun 1/125:10 pmIAD - POS
1 stop30h 13mUnited Airlines
Deal found 7/24$652
This Copa Airlines deal was found by Cheapflights users on 7/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/22:35 pmPOS - IAD
1 stop13h 45mCopa Airlines
Tue 1/148:25 amIAD - POS
1 stop16h 08mCopa Airlines
Deal found 7/25$658
This Copa Airlines deal was found by Cheapflights users on 7/24. 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 8/32:35 pmPOS - IAD
1 stop13h 45mCopa Airlines
Thu 8/222:25 amIAD - POS
1 stop10h 52mCopa Airlines
Deal found 7/24$666
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Thu 8/112:30 amPOS - IAD
1 stop22h 15mUnited Airlines
Fri 1/178:25 amIAD - POS
1 stop14h 58mUnited Airlines
Deal found 7/25$671
This Copa Airlines deal was found by Cheapflights users on 7/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/23:46 amPOS - IAD
1 stop11h 18mCopa Airlines
Thu 8/222:25 amIAD - POS
1 stop10h 52mCopa Airlines
Deal found 7/25$726

One-way flights to Dulles Intl from Port of Spain

Search for one-way flight options from Port of Spain to Dulles Intl. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 26, 2024.
Take a look at some of the best available options we've come across on one-way flights from Port of Spain to Washington, D.C.. Those needing a return flight from Port of Spain to Washington, D.C. can use the search form above.
This Copa Airlines deal was found by Cheapflights users on 7/25. 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 Copa Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/282:35 pmPOS - IAD
1 stop13h 45mCopa Airlines
Deal found 7/25$225
This United Airlines deal was found by Cheapflights users on 7/25. 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.
Tue 8/2712:30 amPOS - IAD
1 stop11h 08mUnited Airlines
Deal found 7/25$234
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/3012:30 amPOS - IAD
1 stop21h 39mUnited Airlines
Deal found 7/24$242
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/287:05 amPOS - IAD
2 stops25h 39mAmerican Airlines
Deal found 7/25$244
This Kiwi.com deal was found by Cheapflights users on 7/25. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/312:35 pmPOS - IAD
1 stop13h 45mCopa Airlines
Deal found 7/25$255
This American Airlines deal was found by Cheapflights users on 7/24. 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.
Thu 9/123:20 pmPOS - IAD
2 stops17h 23mAmerican Airlines
Deal found 7/24$286
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/273:30 pmPOS - IAD
2 stops25h 36mAmerican Airlines
Deal found 7/25$289
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/253:30 pmPOS - IAD
2 stops49h 45mAmerican Airlines
Deal found 7/25$295
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 9/1412:30 amPOS - IAD
1 stop11h 08mUnited Airlines
Deal found 7/24$313

Find flights from Port of Spain to Dulles Intl within your budget

Customize your flight search to find flights from Port of Spain 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 2,752,877 searches. Data last updated July 26, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$386 - $731

Route

Depart

Return

Price

Port of Spain Piarco IntlWashington, D.C. Dulles Intl

POS - IAD

POSIAD

Port of Spain Piarco Intl

Thu 9/5

1 stop20h 23m

Washington, D.C. Dulles Intl

Thu 10/3

1 stop17h 05m

$386

Port of Spain Piarco IntlWashington, D.C. Dulles Intl

POS - IAD

POSIAD

Port of Spain Piarco Intl

Tue 10/15

1 stop11h 22m

Washington, D.C. Dulles Intl

Mon 10/21

1 stop9h 09m

$388

Port of Spain Piarco IntlWashington, D.C. Dulles Intl

POS - IAD

POSIAD

Port of Spain Piarco Intl

Wed 9/18

1 stop23h 29m

Washington, D.C. Dulles Intl

Tue 9/24

1 stop17h 03m

$389

Port of Spain Piarco IntlWashington, D.C. Dulles Intl

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 11/8

2 stops19h 09m

Washington, D.C. Dulles Intl

Tue 11/12

2 stops20h 06m

$390

Port of Spain Piarco IntlWashington, D.C. Dulles Intl

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 11/8

2 stops19h 09m

Washington, D.C. Dulles Intl

Tue 11/12

2 stops12h 32m

$401

Port of Spain Piarco IntlWashington, D.C. Dulles Intl

POS - IAD

POSIAD

Port of Spain Piarco Intl

Sat 11/2

2 stops22h 12m

Washington, D.C. Dulles Intl

Sat 11/9

2 stops20h 06m

$404

Port of Spain Piarco IntlWashington, D.C. Dulles Intl

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 9/6

1 stop20h 23m

Washington, D.C. Dulles Intl

Sat 9/14

1 stop14h 48m

$408

Port of Spain Piarco IntlWashington, D.C. Dulles Intl

POS - IAD

POSIAD

Port of Spain Piarco Intl

Wed 9/4

1 stop13h 49m

Washington, D.C. Dulles Intl

Sat 9/14

1 stop16h 12m

$465

Port of Spain Piarco IntlWashington, D.C. Dulles Intl

POS - IAD

POSIAD

Port of Spain Piarco Intl

Wed 10/30

1 stop20h 46m

Washington, D.C. Dulles Intl

Sun 11/10

2 stops9h 50m

$731

Flights are sorted by cheapest first

Deals found on 7/25

What is the cheapest day to fly from Port of Spain to Washington, D.C. Dulles Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Port of Spain to Dulles Intl. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Port of Spain to Washington, D.C. Dulles Intl Airport flight should consider departing on Thursday evenings when fares are most often at their lowest. Friday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Port of Spain to Dulles Intl

Have a flexible travel schedule? Discover the best time to fly to Dulles Intl from Port of Spain 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.

Temperature and rainfall in Dulles Intl by month

Plan your trip to Dulles Intl by taking into account the average temperature and rainfall totals by month.

WAS

Temperature

35.6 - 80.6 °F

If weather is an important factor for your trip to Washington, D.C. Dulles Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

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 26, 2024.
Read reviews from past customers who have flown Copa Airlines, United Airlines and American Airlines from Port of Spain to Washington, D.C.. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Copa Airlines
7.9
Good
2,260 reviews

Comfort

7.7

Overall

7.9

Food

7.3

Boarding

8.0

Crew

8.3

Entertainment

7.2

Reviews

1 / 10

The food is horrible and little, a single meal is served on a 7 hour flight. The movies are old and there are very few options in Portuguese. Regarding the crew, they are not helpful or friendly.

Copa Airlines
7.9
Good
2,260 reviews
Copa Airlines
7.9
Good
2,260 reviews

Comfort

7.7

Overall

7.9

Food

7.3

Boarding

8.0

Crew

8.3

Entertainment

7.2

Reviews

1 / 10

The food is horrible and little, a single meal is served on a 7 hour flight. The movies are old and there are very few options in Portuguese. Regarding the crew, they are not helpful or friendly.

United Airlines
7.4
Good
10,000 reviews
Copa Airlines
7.9
Good
2,260 reviews

Comfort

7.7

Overall

7.9

Food

7.3

Boarding

8.0

Crew

8.3

Entertainment

7.2

Reviews

1 / 10

The food is horrible and little, a single meal is served on a 7 hour flight. The movies are old and there are very few options in Portuguese. Regarding the crew, they are not helpful or friendly.

American Airlines
7.3
Good
10,000 reviews
Copa Airlines
7.9
Good
2,260 reviews

Comfort

7.7

Overall

7.9

Food

7.3

Boarding

8.0

Crew

8.3

Entertainment

7.2

Reviews

1 / 10

The food is horrible and little, a single meal is served on a 7 hour flight. The movies are old and there are very few options in Portuguese. Regarding the crew, they are not helpful or friendly.

Related info for your journey

Find useful and relevant information for your journey from Port of Spain 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 airport do you fly from for flights from Port of Spain to Washington, D.C. Dulles Intl?

    For a flight from Port of Spain to Washington, D.C. Dulles Intl, you will be flying from Piarco Intl. Port of Spain Piarco Intl (POS) is just 12.6 mi from the center of the city. Piarco Intl is the only Port of Spain airport and it handles 0 outbound flights to Washington, D.C. Dulles Intl per day. 3 airlines have flights to Washington, D.C. Dulles Intl from Port of Spain Piarco Intl on a regular basis.

  • Can I find flights from Port of Spain to Washington, D.C. Dulles Intl Airport for under $400 on Cheapflights?

    Yes, there are multiple flights from Port of Spain to Washington, D.C. Dulles Intl Airport for under $400. The cheapest flight booked recently is on United Airlines for just $386, but on average you can expect to pay $449.

  • Are there last-minute flights available from Port of Spain to Washington, D.C. Dulles Intl Airport for under $600?

    There are currently 20+ open flights from Port of Spain to Washington, D.C. Dulles Intl Airport within the next 7 days for less than $600.

  • What are the cheapest airlines flying from Port of Spain to Washington, D.C. Dulles Intl Airport round-trip?

    Currently priced at $386, United Airlines will fly you from Port of Spain to Washington, D.C. Dulles Intl Airport and back. In addition to United Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Copa Airlines and American Airlines - these airlines can fly you to your destination from $388 and $390, respectively. United Airlines is priced at 41% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Port of Spain to Washington, D.C. Dulles Intl Airport one-way?

    The cheapest airline one-way is Copa Airlines, with whom users have recently found tickets for as low as $225. However, be on the lookout for offers from United Airlines and American Airlines, as they are both options that can get you from Port of Spain to Washington, D.C. Dulles Intl Airport for a low price.

  • What does POS to IAD mean?

    POS stands for Port of Spain Piarco Intl Airport, while IAD stands for Washington, D.C. Dulles Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

  • Can I find deals for flights from Port of Spain to Dulles Intl that include extra baggage allowance?

    The amount of baggage you can bring on your Port of Spain to Dulles Intl flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Port of Spain to Dulles Intl with specific airlines?

    Yes, Cheapflights allows you to browse and filter Port of Spain to Dulles Intl flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

  • How can I find direct flights from Port of Spain to Dulles Intl?

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

  • Can I find deals for business class flights from Port of Spain to Dulles Intl?

    Yes. Cheapflights offers flight deals from Port of Spain 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.

  • Can I find deals for flights from Port of Spain to Dulles Intl that allow pets onboard?

    Many airlines flying from Port of Spain to Dulles Intl offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Port of Spain to Dulles Intl?

    Yes, you can often find last-minute deals on Port of Spain to Dulles Intl flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Port of Spain to Washington, D.C. Dulles Intl Airport flight deals updated?

    The Port of Spain to Washington, D.C. Dulles Intl Airport flight deals you see on this page were last updated on 7/25.

  • What are the most popular airlines that fly from Port of Spain to Washington, D.C. Dulles Intl Airport?

    American Airlines, Copa Airlines and United Airlines are the most popular airlines when flying from Port of Spain to Washington, D.C. Dulles Intl Airport.

  • What is the cheapest month to book a flight from Port of Spain to Washington, D.C. Dulles Intl Airport?

    Currently, September is the cheapest month in which you can book a flight from Port of Spain to Washington, D.C. Dulles Intl Airport (average of $278). Flying from Port of Spain to Washington, D.C. Dulles Intl Airport in June is currently the most expensive (average of $378). 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

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

Alternative routes for Port of Spain to Dulles Intl
See prices for flight routes from nearby airports that may be better suited for you.

Port of Spain to Reagan-National flights
Port of Spain to Baltimore flights

Top 3 airlines flying from Port of Spain to Dulles Intl

Discover the top 3 airlines that operate flights from Port of Spain 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 2,752,877 searches. Data last updated July 26, 2024.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$388Average$660FlexibilityNo cancel feeOn-time70%
United AirlinesCheapest$401Average$712FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$465Average$649FlexibilityNo cancel feeOn-time71%
New York to Texas flights
Austin to Boston flights
Denver to Los Angeles flights
Minneapolis to New York flights
Dallas to El Paso flights
USA to Kathmandu flights
Boston to Las Vegas flights
Houston to Boston flights
Los Angeles to Orlando flights
Las Vegas to Miami flights
New York to Dublin flights
Port of Spain to Houston George Bush Intcntl Airport flights

Search flights from Port of Spain to Dulles Intl by cabin class

Find flights from Port of Spain to Dulles Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Abha
Flights to Komatsu
Flights to Skardu
Flights to Laayoune Hassan I
Flights to Aqaba King Hussein Intl
Flights to Nampula
Flights to Bourgas
Flights to Riverton
Flights to Alpena Phelps/Collins
Flights to Palmas
Flights to Newport State
Flights to Antofagasta Cerro Moreno
Flights to Nuku‘alofa Fua'Amotu Intl
Flights to Ndola
Flights to Fort Dodge
Flights to Miri
Flights to Rhinelander Oneida County
Flights to Seattle Lake Union Spb
Flights to Portsmouth Pease Intl
Flights to Tumbes
Flights to Jigiga
Flights to Diyarbakir
Flights to Akureyri
Flights to Brainerd Crow Wing County
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.
View all available airlines