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Cheap flights from Port of Spain to Washington, D.C. from $260

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 3/13. 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.
United Airlines Logo
1:30 am - 11:23 amPOS-IAD
10h 53m1 stop
United Airlines Logo
12:50 pm - 12:23 amIAD-POS
10h 33m1 stop
$407United Airlines
Find Deal
lun., feb. 9 - vie., feb. 20
United Airlines Logo
1:30 am - 11:21 amPOS-IAD
10h 51m1 stop
United Airlines Logo
12:50 pm - 12:23 amIAD-POS
10h 33m1 stop
$410United Airlines
Find Deal
jue., feb. 12 - lun., feb. 23
American Airlines Logo
7:10 am - 7:31 pmPOS-IAD
13h 21m2 stops
American Airlines Logo
11:25 am - 3:33 pmIAD-POS
27h 08m2 stops
$415American Airlines
Find Deal
sáb., dic. 6 - mié., dic. 10
American Airlines Logo
4:30 pm - 1:12 pmPOS-IAD
21h 42m2 stops
American Airlines Logo
11:25 am - 3:33 pmIAD-POS
27h 08m2 stops
$431American Airlines
Find Deal
lun., nov. 24 - mar., dic. 2
Air Canada Logo
2:15 am - 8:26 pmPOS-IAD
19h 11m1 stop
Air Canada Logo
9:45 am - 1:10 amIAD-POS
14h 25m2 stops
$471Air Canada
Find Deal
dom., nov. 23 - mar., dic. 2
Air Canada Logo
2:20 am - 8:54 pmPOS-IAD
19h 34m2 stops
Air Canada Logo
9:45 am - 1:20 amIAD-POS
14h 35m2 stops
$483Air Canada
Find Deal
mar., feb. 10 - dom., feb. 22
Multiple Airlines Logo
9:10 am - 11:09 amPOS-IAD
26h 59m1 stop
Multiple Airlines Logo
9:00 am - 6:55 pmIAD-POS
32h 55m2 stops
$507Multiple Airlines
Find Deal
sáb., dic. 6 - mié., dic. 10
Copa Airlines Logo
3:47 am - 2:02 pmPOS-IAD
11h 15m1 stop
Copa Airlines Logo
8:25 am - 1:44 amIAD-POS
16h 19m1 stop
$526Copa Airlines
Find Deal
jue., dic. 4 - dom., ene. 4
Copa Airlines Logo
2:26 pm - 3:22 amPOS-IAD
13h 56m1 stop
Copa Airlines Logo
8:22 am - 1:48 amIAD-POS
16h 26m1 stop
$551Copa Airlines
Find Deal
mié., nov. 19 - jue., dic. 4
Multiple Airlines Logo
9:10 am - 11:09 amPOS-IAD
26h 59m1 stop
Multiple Airlines Logo
1:13 am - 1:31 pmIAD-POS
11h 18m1 stop
$654Multiple Airlines
Find Deal
sáb., dic. 6 - mar., dic. 9

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

Our best United Airlines deals on Port of Spain to Washington, D.C. Dulles Intl Airport flight tickets
United Airlines
Feb 9
POS1:30 amPort of Spain Piarco Intl
10h 53m
1 stop
IAD11:23 amWashington, D.C. Dulles Intl
Feb 20
IAD12:50 pmWashington, D.C. Dulles Intl
10h 33m
1 stop
POS12:23 amPort of Spain Piarco Intl
$407
Find similar
United Airlines
Feb 12
POS1:30 amPort of Spain Piarco Intl
10h 51m
1 stop
IAD11:21 amWashington, D.C. Dulles Intl
Feb 23
IAD12:50 pmWashington, D.C. Dulles Intl
10h 33m
1 stop
POS12:23 amPort of Spain Piarco Intl
$410
Find similar
United Airlines
Dec 19
POS1:30 amPort of Spain Piarco Intl
23h 19m
1 stop
IAD11:49 pmWashington, D.C. Dulles Intl
Jan 10
IAD6:03 amWashington, D.C. Dulles Intl
17h 20m
1 stop
POS12:23 amPort of Spain Piarco Intl
$426
Find similar

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

Our best American Airlines deals on Port of Spain to Washington, D.C. Dulles Intl Airport flight tickets
American Airlines
Dec 6
POS7:10 amPort of Spain Piarco Intl
13h 21m
2 stops
IAD7:31 pmWashington, D.C. Dulles Intl
Dec 10
IAD11:25 amWashington, D.C. Dulles Intl
27h 08m
2 stops
POS3:33 pmPort of Spain Piarco Intl
$415
Find similar
American Airlines
Nov 24
POS4:30 pmPort of Spain Piarco Intl
21h 42m
2 stops
IAD1:12 pmWashington, D.C. Dulles Intl
Dec 2
IAD11:25 amWashington, D.C. Dulles Intl
27h 08m
2 stops
POS3:33 pmPort of Spain Piarco Intl
$431
Find similar
American Airlines
Dec 24
POS6:02 amPort of Spain Piarco Intl
32h 25m
2 stops
IAD1:27 pmWashington, D.C. Dulles Intl
Jan 6
IAD5:46 pmWashington, D.C. Dulles Intl
20h 39m
2 stops
POS3:25 pmPort of Spain Piarco Intl
$445
Find similar

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 noviembre 3, 2025.
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

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

lun. 2/9

1:30 am-11:23 am

1 stop10h 53m

Washington, D.C. Dulles Intl

vie. 2/20

12:50 pm-12:23 am

1 stop10h 33m

$407

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

jue. 2/12

1:30 am-11:21 am

1 stop10h 51m

Washington, D.C. Dulles Intl

lun. 2/23

12:50 pm-12:23 am

1 stop10h 33m

$410

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

sáb. 12/6

7:10 am-7:31 pm

2 stops13h 21m

Washington, D.C. Dulles Intl

mié. 12/10

11:25 am-3:33 pm

2 stops27h 08m

$415

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

lun. 11/24

4:30 pm-1:12 pm

2 stops21h 42m

Washington, D.C. Dulles Intl

mar. 12/2

11:25 am-3:33 pm

2 stops27h 08m

$431

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

dom. 11/23

2:15 am-8:26 pm

1 stop19h 11m

Washington, D.C. Dulles Intl

mar. 12/2

9:45 am-1:10 am

2 stops14h 25m

$471

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

mar. 2/10

2:20 am-8:54 pm

2 stops19h 34m

Washington, D.C. Dulles Intl

dom. 2/22

9:45 am-1:20 am

2 stops14h 35m

$483

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

sáb. 12/6

9:10 am-11:09 am

1 stop26h 59m

Washington, D.C. Dulles Intl

mié. 12/10

9:00 am-6:55 pm

2 stops32h 55m

$507

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

jue. 12/4

3:47 am-2:02 pm

1 stop11h 15m

Washington, D.C. Dulles Intl

dom. 1/4

8:25 am-1:44 am

1 stop16h 19m

$526

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

mié. 11/19

2:26 pm-3:22 am

1 stop13h 56m

Washington, D.C. Dulles Intl

jue. 12/4

8:22 am-1:48 am

1 stop16h 26m

$551

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

sáb. 12/6

9:10 am-11:09 am

1 stop26h 59m

Washington, D.C. Dulles Intl

mar. 12/9

1:13 am-1:31 pm

1 stop11h 18m

$654

Flights are sorted by cheapest round-trip flights 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 cheapest month to fly to Washington, D.C. Dulles Intl Airport?

In general, April 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 $336. If you aren’t able to travel to Washington, D.C. Dulles Intl Airport during the month of April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $336.

What is the cheapest day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Our data shows that Thursday is the least expensive day to fly to Washington, D.C. Dulles Intl Airport. Tickets to fly out on this day can be as low as $435. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from Port of Spain to Washington, D.C. Dulles Intl Airport for around $758.

What is the cheapest time of day to depart on your flight to Washington, D.C. Dulles Intl Airport?

Flying to Washington, D.C. Dulles Intl Airport from Port of Spain at noon is the least expensive time of day to depart. momondo users have found prices as low as $496 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $632 on average. Flights to Washington, D.C. Dulles Intl Airport from Port of Spain in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

Direct flights

None
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

  • 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 07m 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 $335Free CancellationRating
7.6
1,561 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $395Free CancellationRating
7.4
8,997 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Harpers Ferry
Towson
Rockville
Manassas
Reston
Gaithersburg
Fairfax
Sterling

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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