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Cheap flights from Port of Spain to Washington, D.C. from $344

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Port of Spain to Washington, D.C. departing on 5/31. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
1:25 am - 3:29 pm
POS
-
IAD
14h 04m
1 stop
Air Canada Logo
9:55 am - 12:15 am
IAD
-
POS
14h 20m
1 stop
$582Air Canada
Sun, May 31 - Mon, Jun 8
Air Canada Logo
1:25 am - 3:03 pm
POS
-
IAD
13h 38m
2 stops
Air Canada Logo
4:05 pm - 12:15 am
IAD
-
POS
8h 10m
1 stop
$586Air Canada
Sun, May 31 - Mon, Jun 8
Multiple Airlines Logo
10:10 am - 7:52 pm
POS
-
IAD
9h 42m
1 stop
Multiple Airlines Logo
5:30 pm - 8:00 pm
IAD
-
POS
26h 30m
1 stop
$593Multiple Airlines
Thu, Aug 27 - Sun, Aug 30
Copa Airlines Logo
2:22 pm - 4:21 am
POS
-
IAD
13h 59m
1 stop
Copa Airlines Logo
6:25 am - 1:46 am
IAD
-
POS
19h 21m
1 stop
$595Copa Airlines
Wed, Jun 3 - Wed, Jun 10
Copa Airlines Logo
2:19 pm - 4:21 am
POS
-
IAD
14h 02m
1 stop
Copa Airlines Logo
4:26 pm - 1:46 am
IAD
-
POS
9h 20m
1 stop
$609Copa Airlines
Fri, Jul 10 - Wed, Jul 15
Copa Airlines Logo
2:19 pm - 4:21 am
POS
-
IAD
14h 02m
1 stop
Copa Airlines Logo
6:25 am - 1:47 am
IAD
-
POS
19h 22m
1 stop
$611Copa Airlines
Sat, Jul 25 - Sat, Aug 1
Air Canada Logo
1:25 am - 3:01 pm
POS
-
IAD
13h 36m
2 stops
Air Canada Logo
9:55 am - 12:15 am
IAD
-
POS
14h 20m
1 stop
$612Air Canada
Fri, Jun 19 - Sun, Sep 6
Air Canada Logo
1:25 am - 6:58 pm
POS
-
IAD
17h 33m
2 stops
Air Canada Logo
9:45 am - 12:15 am
IAD
-
POS
14h 30m
2 stops
$614Air Canada
Sun, May 31 - Mon, Jun 8
Air Canada Logo
1:25 am - 3:01 pm
POS
-
IAD
13h 36m
2 stops
Air Canada Logo
3:45 pm - 12:15 am
IAD
-
POS
32h 30m
2 stops
$615Air Canada
Fri, Jun 19 - Sat, Sep 5
Copa Airlines Logo
3:49 am - 3:05 pm
POS
-
IAD
11h 16m
1 stop
Copa Airlines Logo
6:25 am - 1:46 am
IAD
-
POS
19h 21m
1 stop
$616Copa Airlines
Wed, May 20 - Fri, Jun 12

Air Canada flights from Port of Spain to Washington, D.C. Dulles Intl Airport

Our best Air Canada deals on Port of Spain to Washington, D.C. Dulles Intl Airport flight tickets
Air Canada
May 31
POS1:25 amPort of Spain Piarco Intl
14h 04m
1 stop
IAD3:29 pmWashington, D.C. Dulles Intl
Jun 8
IAD9:55 amWashington, D.C. Dulles Intl
14h 20m
1 stop
POS12:15 amPort of Spain Piarco Intl
$582
Air Canada
May 31
POS1:25 amPort of Spain Piarco Intl
13h 38m
2 stops
IAD3:03 pmWashington, D.C. Dulles Intl
Jun 8
IAD4:05 pmWashington, D.C. Dulles Intl
8h 10m
1 stop
POS12:15 amPort of Spain Piarco Intl
$586
Air Canada
Jun 19
POS1:25 amPort of Spain Piarco Intl
13h 36m
2 stops
IAD3:01 pmWashington, D.C. Dulles Intl
Sep 6
IAD9:55 amWashington, D.C. Dulles Intl
14h 20m
1 stop
POS12:15 amPort of Spain Piarco Intl
$612

Copa Airlines flights from Port of Spain to Washington, D.C. Dulles Intl Airport

Our best Copa Airlines deals on Port of Spain to Washington, D.C. Dulles Intl Airport flight tickets
Copa Airlines
Jun 3
POS2:22 pmPort of Spain Piarco Intl
13h 59m
1 stop
IAD4:21 amWashington, D.C. Dulles Intl
Jun 10
IAD6:25 amWashington, D.C. Dulles Intl
19h 21m
1 stop
POS1:46 amPort of Spain Piarco Intl
$595
Copa Airlines
Jul 10
POS2:19 pmPort of Spain Piarco Intl
14h 02m
1 stop
IAD4:21 amWashington, D.C. Dulles Intl
Jul 15
IAD4:26 pmWashington, D.C. Dulles Intl
9h 20m
1 stop
POS1:46 amPort of Spain Piarco Intl
$609
Copa Airlines
Jul 25
POS2:19 pmPort of Spain Piarco Intl
14h 02m
1 stop
IAD4:21 amWashington, D.C. Dulles Intl
Aug 1
IAD6:25 amWashington, D.C. Dulles Intl
19h 22m
1 stop
POS1:47 amPort of Spain Piarco Intl
$611

momondo Fare Finder

 
Customize your flight search to find flights from Port of Spain to Washington, D.C. Dulles Intl Airport 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, momondo users made 832,500 searches. Data last updated May 4, 2026.
Use the filters below to find and compare flights from Port of Spain to Washington, D.C. Dulles Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Sun 5/31

1:25 am-3:29 pm

1 stop14h 04m

Washington, D.C. Dulles Intl

Mon 6/8

9:55 am-12:15 am

1 stop14h 20m

$582
Quickest round-trip

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Sun 5/31

1:25 am-3:03 pm

2 stops13h 38m

Washington, D.C. Dulles Intl

Mon 6/8

4:05 pm-12:15 am

1 stop8h 10m

$586

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Thu 8/27

10:10 am-7:52 pm

1 stop9h 42m

Washington, D.C. Dulles Intl

Sun 8/30

5:30 pm-8:00 pm

1 stop26h 30m

$593

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Wed 6/3

2:22 pm-4:21 am

1 stop13h 59m

Washington, D.C. Dulles Intl

Wed 6/10

6:25 am-1:46 am

1 stop19h 21m

$595

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 7/10

2:19 pm-4:21 am

1 stop14h 02m

Washington, D.C. Dulles Intl

Wed 7/15

4:26 pm-1:46 am

1 stop9h 20m

$609

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Sat 7/25

2:19 pm-4:21 am

1 stop14h 02m

Washington, D.C. Dulles Intl

Sat 8/1

6:25 am-1:47 am

1 stop19h 22m

$611

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 6/19

1:25 am-3:01 pm

2 stops13h 36m

Washington, D.C. Dulles Intl

Sun 9/6

9:55 am-12:15 am

1 stop14h 20m

$612

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Sun 5/31

1:25 am-6:58 pm

2 stops17h 33m

Washington, D.C. Dulles Intl

Mon 6/8

9:45 am-12:15 am

2 stops14h 30m

$614

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Fri 6/19

1:25 am-3:01 pm

2 stops13h 36m

Washington, D.C. Dulles Intl

Sat 9/5

3:45 pm-12:15 am

2 stops32h 30m

$615

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Wed 5/20

3:49 am-3:05 pm

1 stop11h 16m

Washington, D.C. Dulles Intl

Fri 6/12

6:25 am-1:46 am

1 stop19h 21m

$616

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Port of Spain to Washington, D.C. Dulles Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Port of Spain and Washington, D.C. Dulles Intl Airport?

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

In general, June is the cheapest month to fly from Port of Spain to Washington, D.C. Dulles Intl Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $0. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of June, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $294.

When to book flights from Port of Spain to Washington, D.C. Dulles Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Port of Spain to Washington, D.C. Dulles Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Port of Spain to Washington, D.C. Dulles Intl Airport (POS to IAD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Port of Spain to Washington, D.C. Dulles Intl Airport

Fastest flight time

10h 11m

Direct flights

None
The fastest flight from Port of Spain to Washington, D.C. Dulles Intl Airport takes 10h 11m
There are no direct flights from Port of Spain to Washington, D.C. Dulles Intl Airport. There are no popular flight routes from Port of Spain to Washington, D.C. Dulles Intl Airport.
Search flight deals

Frequently asked questions about flying from Port of Spain to Washington, D.C. Dulles Intl Airport

  • How far is Port of Spain Piarco Intl to Washington, D.C. Dulles Intl by plane?

    The distance between Port of Spain Piarco Intl and Washington, D.C. Dulles Intl is about 2185.8 mi. Typically, this will take 10h 11m by plane in normal conditions.

  • When did momondo last update prices for flights from Port of Spain Piarco Intl Airport to Washington, D.C. Dulles Intl Airport?

    Prices for flights from Port of Spain Piarco Intl Airport to Washington, D.C. Dulles Intl Airport are updated daily.

  • How many operators does momondo search for flights from Port of Spain Piarco Intl Airport to Washington, D.C. Dulles Intl Airport?

  • How old do you have to be to fly from Port of Spain Piarco Intl Airport to Washington, D.C. Dulles Intl Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Port of Spain Piarco Intl Airport to Washington, D.C. Dulles Intl Airport.

  • What documentation or ID do you need to fly to Washington, D.C. Dulles Intl Airport?

    The required travel and health documents for your Washington, D.C. Dulles Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C. Dulles Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular airline from Port of Spain to Washington, D.C. Dulles Intl Airport?

Best airlines flying from Port of Spain to Washington, D.C. Dulles Intl Airport

Compare and see reviews for airlines that fly from Port of Spain to Washington, D.C. Dulles Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $222Free CancellationRating
7.5
1,578 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $291Free CancellationRating
7.4
9,680 reviews
Search United Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Winchester
Waldorf
Woodbridge
Laurel
Colonial Beach
Gaithersburg
Towson
Fredericksburg
Silver Spring
Rockville
Manassas
Sterling
Linthicum Heights
Tysons
Bethesda
Springfield

Why use momondo?

Why should I use momondo to find a flight deal from Port of Spain to Washington, D.C.?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Port of Spain to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Port of Spain to Washington, D.C. with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Washington, D.C. from Port of Spain with this policy.

How can momondo help me find flights from Port of Spain to Washington, D.C.?

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Port of Spain. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Port of Spain to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Port of Spain to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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