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$225 Find cheap flights from Port of Spain to Washington Dulles Airport

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Port of Spain to Dulles Intl departing on 6/27. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Thu 6/13
Thu 6/20

Search hundreds of travel sites at once for deals on flights to Washington Dulles Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Port of Spain to Washington, D.C., as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Port of Spain to Washington, D.C., as well as popular online travel agencies
In the last 7 days travelers have searched 42,566,405 times on KAYAK, and here is why:

Save 21% or moreCompare multiple travel sites with one search.

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Filter your dealsChoose cabin class, free Wi-Fi and more.

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Cheap flight deals from Port of Spain to Dulles Intl (POS-IAD)

 
These are the cheapest deals for flights from Port of Spain to Dulles Intl currently on KAYAK along with options from the most popular airlines KAYAK users selected for this route. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent round-trip flight deals from Port of Spain to Dulles Intl

Recommended round-trip deals departing in the coming months from the most popular airlines that fly from Port of Spain to Dulles Intl.

Recent one-way flight deals from Port of Spain to Dulles Intl

Only flying one-way? Below are some of the best one-way flight deals from Port of Spain to Dulles Intl found on KAYAK recently.

Recent last minute flight deals from Port of Spain to Dulles Intl

Leaving soon but still want a bargain? Check out these latest deals for last minute flights from Port of Spain to Dulles Intl.

Recent direct flight deals from Port of Spain to Dulles Intl

The latest deals for direct flights from Port of Spain to Dulles Intl so you can sit back and relax without the need for a layover.

Cheap bus & train deals from Port of Spain to Dulles Intl

Find recent round-trip train or bus tickets from Port of Spain to Dulles Intl.

All round-trip flight deals to Dulles Intl

The cheapest plane tickets to Dulles Intl found on KAYAK recently.
Discover the best prices and deals for you by selecting your travel dates.
Choose your dates
2:22 pm - 4:22 amPOS-IAD
14h 00m1 stop
4:34 pm - 1:43 amIAD-POS
9h 09m1 stop
$388Copa Airlines
Find Deal
Wed, Oct 16 - Mon, Oct 21
12:30 am - 10:30 pmPOS-IAD
22h 00m1 stop
6:15 am - 11:23 pmIAD-POS
17h 08m1 stop
$401United Airlines
Find Deal
Wed, Oct 2 - Sat, Oct 12
4:07 am - 3:12 pmPOS-IAD
11h 05m1 stop
9:31 am - 1:43 amIAD-POS
16h 12m1 stop
$447Copa Airlines
Find Deal
Thu, Oct 10 - Thu, Oct 17
4:05 am - 3:10 pmPOS-IAD
11h 05m1 stop
2:36 am - 1:16 pmIAD-POS
10h 40m1 stop
$477Copa Airlines
Find Deal
Tue, Jun 4 - Tue, Jul 30
2:24 pm - 4:20 amPOS-IAD
13h 56m1 stop
2:39 am - 1:17 pmIAD-POS
10h 38m1 stop
$491Copa Airlines
Find Deal
Wed, Aug 7 - Fri, Aug 30
4:07 am - 3:12 pmPOS-IAD
11h 05m1 stop
2:39 am - 1:43 amIAD-POS
23h 04m1 stop
$512Copa Airlines
Find Deal
Mon, Sep 30 - Mon, Sep 30
2:24 pm - 4:20 amPOS-IAD
13h 56m1 stop
4:34 pm - 1:43 amIAD-POS
9h 09m1 stop
$523Copa Airlines
Find Deal
Wed, Jul 24 - Tue, Aug 6
12:30 am - 10:45 pmPOS-IAD
22h 15m1 stop
6:10 am - 11:23 pmIAD-POS
17h 13m1 stop
$526United Airlines
Find Deal
Tue, May 28 - Wed, Jun 12
7:58 am - 11:47 pmPOS-IAD
15h 49m2 stops
8:55 am - 9:19 pmIAD-POS
12h 24m2 stops
$592American Airlines
Find Deal
Thu, Oct 3 - Sat, Oct 12
7:00 am - 8:54 amPOS-IAD
25h 54m2 stops
9:24 am - 2:14 pmIAD-POS
28h 50m2 stops
$737American Airlines
Find Deal
Tue, Jun 4 - Wed, Jul 31
4:05 am - 3:10 pmPOS-IAD
11h 05m1 stop
$225Copa Airlines
Find Deal
Thu, Jun 27
12:30 am - 11:59 pmPOS-IAD
23h 29m1 stop
$242United Airlines
Find Deal
Tue, Jun 11
2:20 pm - 4:20 amPOS-IAD
14h 00m1 stop
$246Copa Airlines
Find Deal
Wed, Jun 12
12:30 am - 10:45 pmPOS-IAD
22h 15m1 stop
$273United Airlines
Find Deal
Wed, Jun 26
4:05 am - 4:20 amPOS-IAD
24h 15m1 stop
$277Copa Airlines
Find Deal
Tue, Jun 25
4:05 am - 3:10 pmPOS-IAD
11h 05m1 stop
$323Copa Airlines
Find Deal
Tue, May 21
12:30 am - 7:35 pmPOS-IAD
19h 05m1 stop
$332United Airlines
Find Deal
Sun, May 19
12:30 am - 10:45 pmPOS-IAD
22h 15m1 stop
$342United Airlines
Find Deal
Thu, May 23
7:00 am - 8:58 amPOS-IAD
25h 58m2 stops
$359American Airlines
Find Deal
Wed, Jun 12
7:00 am - 8:54 amPOS-IAD
25h 54m2 stops
$419American Airlines
Find Deal
Fri, May 24
12:30 am - 9:02 pmPOS-IAD
20h 32m1 stop
8:21 am - 11:23 pmIAD-POS
15h 02m1 stop
$611United Airlines
Find Deal
Wed, May 15 - Mon, May 20
7:00 am - 11:15 amPOS-IAD
28h 15m2 stops
8:12 pm - 9:34 pmIAD-POS
25h 22m2 stops
$891American Airlines
Find Deal
Thu, May 16 - Mon, May 20
3:14 pm - 1:44 pmPOS-IAD
22h 30m2 stops
5:02 am - 9:34 pmIAD-POS
16h 32m2 stops
$904American Airlines
Find Deal
Thu, May 16 - Mon, May 20
4:05 am - 3:10 pmPOS-IAD
11h 05m1 stop
4:34 pm - 1:42 amIAD-POS
9h 08m1 stop
$990Copa Airlines
Find Deal
Thu, May 16 - Mon, May 20
4:05 am - 3:10 pmPOS-IAD
11h 05m1 stop
4:34 pm - 1:42 amIAD-POS
9h 08m1 stop
$1,050Copa Airlines
Find Deal
Thu, May 16 - Mon, May 20
4:05 am - 4:20 amPOS-IAD
24h 15m1 stop
2:35 am - 1:42 amIAD-POS
23h 07m1 stop
$1,211Copa Airlines
Find Deal
Fri, May 17 - Mon, Jun 10
2:55 pm - 7:57 amPOS-IAD
17h 02m1 stop
4:34 pm - 1:42 amIAD-POS
9h 08m1 stop
$1,233
Find Deal
Tue, May 14 - Mon, May 20
4:05 am - 4:20 amPOS-IAD
24h 15m1 stop
2:35 am - 1:42 amIAD-POS
23h 07m1 stop
$1,239Copa Airlines
Find Deal
Fri, May 17 - Sat, May 18
2:55 pm - 7:57 amPOS-IAD
17h 02m1 stop
4:34 pm - 1:42 amIAD-POS
9h 08m1 stop
$1,257
Find Deal
Tue, May 14 - Sun, May 19
2:55 pm - 7:57 amPOS-IAD
17h 02m1 stop
4:34 pm - 1:42 amIAD-POS
9h 08m1 stop
$1,307
Find Deal
Tue, May 14 - Fri, May 17

Flights from Port of Spain to Dulles Intl - Travel Insights & Trends

Get data-powered insights and trends into flights from Port of Spain to Dulles Intl to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Port of Spain to Washington Dulles Airport?

The average price of all flights from Port of Spain to Washington, D.C. Dulles Intl Airport clicked on KAYAK for each day over the last 12 months.
For Port of Spain to Washington Dulles Airport, Wednesday is the cheapest day to fly on average and Friday is the most expensive. Flying from Washington Dulles Airport back to Port of Spain, the best deals are generally found on Tuesday, with Sunday being the most expensive.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for flights from Port of Spain to Washington, D.C. Dulles Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Port of Spain to Washington, D.C. Dulles Intl Airport is September, where tickets cost $492 on average. On the other hand, the most expensive months are December and January, where the average cost of tickets is $977 and $900 respectively.

Which airlines provide the cheapest flights from Port of Spain to Washington Dulles Airport?

The cheapest price for the route for each airline clicked by KAYAK users in the last 72 hours.
In the last 72 hours, the best return deals on flights connecting Port of Spain to Washington Dulles Airport were found on Copa Airlines ($388) and United Airlines ($401). Copa Airlines proposed the cheapest one-way flight at $225.

Good to know

Low season

January

High season

July

Cheapest flight

$225
Best time to beat the crowds but there is an average 37% increase in price.
Most popular time to fly with an average 8% increase in price.
Flight from Port of Spain to Washington Dulles Airport

When to book flights from Port of Spain to Dulles Intl

Are your dates flexible? Find out the best times to travel from Port of Spain to Dulles Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Port of Spain to Washington Dulles Airport flights

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

    In the last 3 days, the lowest price for a flight from Port of Spain to Washington, D.C. Dulles Intl Airport was $225 for a one-way ticket and $388 for a round-trip.

  • Do I need a passport to fly between Port of Spain and Washington Dulles Airport?

    Yes, you'll most likely have to show a valid passport before boarding the plane in Port of Spain and on arrival in Washington Dulles Airport.

  • Which airports will I be using when flying from Port of Spain to Washington Dulles Airport?

    When flying out of Port of Spain you will be using Port of Spain Piarco Intl. You will be landing at Washington Dulles Airport, also known as Washington, D.C. Dulles Intl.

  • Which aircraft models fly most regularly from Port of Spain to Washington Dulles Airport?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Port of Spain to Washington Dulles Airport?

    Star Alliance, and oneworld are the airline alliances operating flights between Port of Spain and Washington Dulles Airport, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Port of Spain to Washington, D.C., Copa Airlines or United Airlines?

    The two airlines most popular with KAYAK users for flights from Port of Spain to Washington, D.C. are Copa Airlines and United Airlines. With an average price for the route of $604 and an overall rating of 7.8, Copa Airlines is the most popular choice. United Airlines is also a great choice for the route, with an average price of $712 and an overall rating of 7.4.

  • How does KAYAK find such low prices on flights from Port of Spain to Washington Dulles Airport?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Port of Spain to Washington Dulles Airport.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Port of Spain to Washington Dulles Airport?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport from Port of Spain is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Port of Spain to Washington Dulles Airport?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington Dulles Airport with an airline and back to Port of Spain with another airline. Booking your flights between Port of Spain and IAD can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Port of Spain to Washington Dulles Airport?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington Dulles Airport from Port of Spain up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 3 airlines serving from Port of Spain to Dulles Intl

 
See real verified KAYAK customer reviews for airlines flying from Port of Spain to Washington, D.C.. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Port of Spain to Dulles Intl? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.8
Copa AirlinesOverall score based on 2718 reviews
8.3Crew
7.3Food
8.1Boarding
7.2Entertainment
7.7Comfort
Airline reviews

Captain and Crew were excellent. The Boeing 737-800 was showing its age. In flight entertainment system was sluggish and my Business Class seat on the outbound flight had some mechanical issues. Only real problem was the location of the Gate in Panama PTY. It was a 40 minute hike from Security to the Gate. There should have been some sort of warning about the distance.

10.0 ExcellentAnonymous, Mar 2024PTY - BWI
Read more about Copa Airlines reviews

Captain and Crew were excellent. The Boeing 737-800 was showing its age. In flight entertainment system was sluggish and my Business Class seat on the outbound flight had some mechanical issues. Only real problem was the location of the Gate in Panama PTY. It was a 40 minute hike from Security to the Gate. There should have been some sort of warning about the distance.

landed in panama it was in terminal one. We had to take a bus to terminal two for customs. Then back to terminal one. It was very frustrating. Then, on the way back from panama it was the same situation. We had to go back and forth between terminals to check in and drop our bags and then to board. When we were leaving, we had to wait in line for the boarding area and go through another gate security process. They told the bottles of water and coffee were bought while in line in the airport after we passed the main security. Ridiculous (and expensive). A much better communication system is needed.

This was my first time flying Copa but I'll definitely be back! Great service, professional agents, and delicious food for a fair price. Thanks for a great trip!

Horrible experience from start to end. Copa costumer service is non existent. They treat you bad. Everybody tells you different information. We didn’t received our luggage in the 1 day stop we did even we they said if was not going to be a problem. They didn’t respect the seats that we had and spread our family leaving in between of two big people who didn’t leave any space for me and crush me from side to side. I’ll never recommend Copa to anybody.

No cumpli mencionado trayecto por reasignacion de Copa Pero extraviaron mis maletas por su culpa

I was fortunate enough to have an entire row to myself and that was the highlight. Unfortunately, the flight was really turbulent which had no impact on how effective the crew was. However, I am disabled and should have boarded the flight first, but that wasn't the case. They also decided to take my bag at the gate because I had one too many and upon my picking it up at JFK it along with my rollator had been damaged. I am a vegan so the didn't have a proper meal for me and I was unable to view the entertainment because I didn't receive a set of headphones and if I needed to supply my own I wasn't made aware of that either. The crew was great, but overall everything was pretty lackluster.

Cons: "Sure. I had booked a two week vacation in Brazil. All hotels, car rental and guides booked. Copa changed my fligjt at the last minute and out of the 14 days vacatipn I had in Brazil, they would have me spend 6 days in Panama City!!! Lost of small fortune with hotels, car rentals amd had to buy another ticket with Latam. They are a scam!!"
Cons: "Due the COVID-19 El Salvador closed its boarders, leaving me unable to fly. I have sent two emails, called and spoke to a customer service representative who treated me unprofessionally and rude. After that I have been calling numerous times with a wait of over 25 minutes each time and I still have to answer from you as a company. I am extremely disappointed and want an answer soon."
Pros: "Crew was great. Food was acceptable. Really comfortable flight."
Cons: "Entertainment could have been better. Tvs per seat to wAtch movies what we want"
Pros: "nice crew."
Cons: "seats were too small and uncomfortable, not possible to lean back much because of a tall passenger behind me. international flights should have better seats."

Boarding was terrible. My wife uses a wheel chair and she was in an incredibly hot closed metal cargo box for close to 20 minutes before getting on board

Only water and pretzels served on six hour flight. Did not see crew rest of flight. No video screens and so no wired audio. Poor sound on plan so did not understand anything said by crew. This is a safety issue. Electrical socket did not retain charging block so could not charge phone. No video screen so could not watch movies. Phone is not a substitute.

The food that was offered based on class level of your ticket was absolutely ridiculous and disgusting. They didn't even hot tea to serve, the food was horrible. On our departure flight I was seated in premium plus economy and considering the cost of the flight the food was literally some of the worst I've ever eaten. On the return flight I sat in economy with extra leg room and was given a thin little throw "blanket" and a flimsy little pillow. The air condition was on artic and the seating arrangement wasn't really worth the money. The seat didn't recline good enough and the foot rest was laughable. Total waste.

All flights were on time and boarding was issue free

Water service would be great. The way they board is terrible. Slow passengers first😂😂 They need to smart up a bit

I like the non stop flight to Lagos. The cabin crew were great, the food was alright and the ride was smooth. The downside is there wasn’t wifi connection from Lagos to Washington as stated. The 11hrs flight, became boring at times because of no wifi.

It got me where I needed it to; not much more. It had no competition so that was why I chose it.

Plane didn’t even make it off the ground. We all had to get off and walk to a different terminal (lots of confusion) to get on a different plane. Landed fairly late, connections missed.

One of the best flying experiences I’ve ever had.

The flight cancellation and process for getting a new flight was not that clear. United also had some delays that were unexpected. I am the most disappointed by the fact that I originally bought a Lufthansa ticket, only to be flown by United.

The Flight attendant had an attitude and didn't allow anyone any time to prepare for landing despite being absent throughout the entire trip

The flight was great until towards the end when the flight attendant read an excessively long commercial for purchasing an american airlines credit card. The worst part is that we are doing a lot of traveling this year so i was actually interested in getting the credit card, but I was so annoyed with the long commercial that I completely dismissed the flight attendant bringing around the information. Next time, keep the sales pitch to 10 seconds and then pass around the brochures!!

Nice aircraft. Plane was PACKED full and distance between seats was tight. Had it been more than a two hour flight it would not have been tolerable. I had much more knee space on the JetBlue flight I went out on.

New ridiculous policy by american destroyed my allegiance to american. As a million miler with american, I expected it would be easy to get on an earlier flight when I got to airport earlier than expected, and save a five hour layover. WRONG. The online app would not let me switch flights, So I called, and was promised a call back in 90 minutes. HAH! The customer service desk at DCA said “we no longer have access to changing a flight on our screens. If the app couldn’t do it, I should send a letter to American, but there’s nothing else possible!”

I am tired of being nickel and dimed for seat location, checked luggage and carry on bags. That is why i rarely fly anymore.

It was right on time and crew were very courteous

Great flight. Boarding was efficient and quick. On time departure and smooth flight. Flight arrived early at destination. Good experience.

Literally the worst experience ever and I had my service dog with me. Flight was supposed to leave at 1:51 PM but the plane arrived late. They boarded us around 3 PM and kept us on the plane for an hour saying that due to weather conditions in Miami, we could not takeoff yet. After waiting for an hour, they deplaned. And then they will not give us our bags back that we could just leave and schedule for another flight. Every hour they kept updating saying we have to wait another hour without any explanation as to what was going on. Eventually, I went to customer service to change my ticket, but by the time I made it to the front of the line, they started boarding my flight again. And then when we got onto the flight, they said there were two flight attendants That were past their shift. They kept us on the plane for about another 40 minutes until they told us they had no other flight attendance and had to deplane again. Then I gave us hotel vouchers and told us we would be on a flight at 6 AM the next day. At this point it is about 9 PM. I get to the hotel with my dog, who hasn’t been able to go potty for about eight hours. When I arrived at the hotel, I got a text alert saying my flight has been canceled at 6 AM and they moved past to 5 AM, however the hotel shuttle doesn’t leave early enough to make it to the airport for 5 AM flight. So me and some other passengers got a cab after about three hours of sleep to get back to the airport. This was the worst experience ever.

Their computers were down upon arrival to the airport. They were unable to figure out how to board us. We were delayed over an hour and a half.

Delay. Flight was delayed in Washington.knew that connection was impossible as not enough time to switch terminals. The steward would not let me stay the night. So forced to Dallas.late night, after 10pm.hotel checkin was one hour. Passengers lined up only one girl to checkin at comfort inn. No food availability at that time. Had to leave early at 6:30 am to catch a flight at 8:45. Stressfull.

Book cheap flights from Port of Spain to Washington, D.C.

Recent one-way flight deals

 
Only flying one-way? Below are some of the best one-way flight deals from Port of Spain to Washington, D.C. found on KAYAK in the last 72 hours.
6/27Thu
1 stopCopa Airlines
11h 05mPOS-IAD
$225
6/11Tue
1 stopUnited Airlines
23h 29mPOS-IAD
$242
6/12Wed
1 stopCopa Airlines
14h 00mPOS-IAD
$246
6/26Wed
1 stopUnited Airlines
22h 15mPOS-IAD
$273
6/25Tue
1 stopCopa Airlines
24h 15mPOS-IAD
$277
5/21Tue
1 stopCopa Airlines
11h 05mPOS-IAD
$323
5/19Sun
1 stopUnited Airlines
19h 05mPOS-IAD
$332
5/23Thu
1 stopUnited Airlines
22h 15mPOS-IAD
$342
6/12Wed
2 stopsAmerican Airlines
25h 58mPOS-IAD
$359
5/24Fri
2 stopsAmerican Airlines
25h 54mPOS-IAD
$419

Search by stops

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Last minute flights from Port of Spain to Dulles Intl

Last minute flight, train and bus deals

 
These last-minute flight deals are the cheapest flights found on KAYAK in the last 72 hours for flights from Port of Spain to Washington, D.C. that are departing in the next 10 days.
5/15Wed
multi-stopUnited Airlines
20h 32mPOS-IAD
5/20Mon
multi-stopUnited Airlines
15h 02mIAD-POS
$611
5/16Thu
multi-stopAmerican Airlines
28h 15mPOS-IAD
5/20Mon
multi-stopAmerican Airlines
25h 22mIAD-POS
$891
5/16Thu
multi-stopAmerican Airlines
22h 30mPOS-IAD
5/20Mon
multi-stopAmerican Airlines
16h 32mIAD-POS
$904
5/16Thu
multi-stopCopa Airlines
11h 05mPOS-IAD
5/20Mon
multi-stopCopa Airlines
9h 08mIAD-POS
$990
5/16Thu
multi-stopCopa Airlines
11h 05mPOS-IAD
5/20Mon
multi-stopCopa Airlines
9h 08mIAD-POS
$1,050
5/17Fri
multi-stopCopa Airlines
24h 15mPOS-IAD
6/10Mon
multi-stopCopa Airlines
23h 07mIAD-POS
$1,211
5/14Tue
multi-stop
17h 02mPOS-IAD
5/20Mon
multi-stop
9h 08mIAD-POS
$1,233
5/17Fri
multi-stopCopa Airlines
24h 15mPOS-IAD
5/18Sat
multi-stopCopa Airlines
23h 07mIAD-POS
$1,239
5/14Tue
multi-stop
17h 02mPOS-IAD
5/19Sun
multi-stop
9h 08mIAD-POS
$1,257
5/14Tue
multi-stop
17h 02mPOS-IAD
5/17Fri
multi-stop
9h 08mIAD-POS
$1,307

Search by stops

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Port of Spain - Washington Dulles Airport Flights

Departure:

Port of Spain (undefined)Trinidad and Tobago

Destination:

Washington Dulles Airport (IAD)United States

Return flight deals:

Washington Dulles Airport - Port of Spain

Cabin classes: