Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Port of Spain to Washington, D.C. from $230

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 9/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Port of Spain to Washington, D.C.

Cheap round-trip flights

Copa Airlines Logo
3:51 am - 3:05 pmPOS-IAD
11h 14m1 stop
Copa Airlines Logo
9:34 am - 1:46 amIAD-POS
16h 12m1 stop
$382Copa Airlines
Find Deal
mar., sep. 30 - mié., oct. 15
United Airlines Logo
12:30 am - 11:55 pmPOS-IAD
23h 25m1 stop
United Airlines Logo
6:00 am - 11:23 pmIAD-POS
17h 23m1 stop
$407United Airlines
Find Deal
jue., sep. 11 - dom., sep. 14
United Airlines Logo
12:30 am - 7:03 pmPOS-IAD
18h 33m1 stop
United Airlines Logo
10:45 am - 11:23 pmIAD-POS
12h 38m1 stop
$410United Airlines
Find Deal
mar., sep. 30 - mié., oct. 15
American Airlines Logo
3:25 pm - 10:07 amPOS-IAD
18h 42m2 stops
American Airlines Logo
8:09 am - 9:20 pmIAD-POS
13h 11m2 stops
$413American Airlines
Find Deal
lun., sep. 22 - mié., oct. 8
American Airlines Logo
3:25 pm - 10:07 amPOS-IAD
18h 42m2 stops
American Airlines Logo
7:21 pm - 2:16 pmIAD-POS
18h 55m2 stops
$414American Airlines
Find Deal
lun., sep. 8 - mar., sep. 16
United Airlines Logo
12:30 am - 11:28 amPOS-IAD
10h 58m1 stop
United Airlines Logo
6:01 am - 11:23 pmIAD-POS
17h 22m1 stop
$416United Airlines
Find Deal
dom., sep. 21 - mié., oct. 8
Copa Airlines Logo
3:51 am - 3:05 pmPOS-IAD
11h 14m1 stop
Copa Airlines Logo
2:25 am - 1:17 pmIAD-POS
10h 52m1 stop
$424Copa Airlines
Find Deal
mar., sep. 30 - mar., oct. 14
United Airlines Logo
12:30 am - 10:06 pmPOS-IAD
21h 36m1 stop
United Airlines Logo
6:01 am - 11:23 pmIAD-POS
17h 22m1 stop
$426United Airlines
Find Deal
mié., oct. 1 - lun., oct. 6
Air Canada Logo
2:25 am - 2:25 pmPOS-IAD
12h 00m1 stop
Air Canada Logo
9:55 am - 12:15 amIAD-POS
14h 20m2 stops
$459Air Canada
Find Deal
lun., sep. 29 - vie., oct. 31
Air Canada Logo
2:15 am - 3:54 pmPOS-IAD
14h 39m1 stop
Air Canada Logo
9:00 am - 1:15 amIAD-POS
15h 15m1 stop
$471Air Canada
Find Deal
vie., dic. 19 - vie., ene. 2

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
Sep 30
POS3:51 amPort of Spain Piarco Intl
11h 14m
1 stop
IAD3:05 pmWashington, D.C. Dulles Intl
Oct 15
IAD9:34 amWashington, D.C. Dulles Intl
16h 12m
1 stop
POS1:46 amPort of Spain Piarco Intl
$382
Find similar
Copa Airlines
Sep 30
POS3:51 amPort of Spain Piarco Intl
11h 14m
1 stop
IAD3:05 pmWashington, D.C. Dulles Intl
Oct 14
IAD2:25 amWashington, D.C. Dulles Intl
10h 52m
1 stop
POS1:17 pmPort of Spain Piarco Intl
$424
Find similar
Copa Airlines
Oct 1
POS2:40 pmPort of Spain Piarco Intl
13h 40m
1 stop
IAD4:20 amWashington, D.C. Dulles Intl
Oct 15
IAD4:34 pmWashington, D.C. Dulles Intl
9h 12m
1 stop
POS1:46 amPort of Spain Piarco Intl
$440
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
Sep 22
POS3:25 pmPort of Spain Piarco Intl
18h 42m
2 stops
IAD10:07 amWashington, D.C. Dulles Intl
Oct 8
IAD8:09 amWashington, D.C. Dulles Intl
13h 11m
2 stops
POS9:20 pmPort of Spain Piarco Intl
$413
Find similar
American Airlines
Sep 8
POS3:25 pmPort of Spain Piarco Intl
18h 42m
2 stops
IAD10:07 amWashington, D.C. Dulles Intl
Sep 16
IAD7:21 pmWashington, D.C. Dulles Intl
18h 55m
2 stops
POS2:16 pmPort of Spain Piarco Intl
$414
Find similar
American Airlines
Sep 30
POS3:25 pmPort of Spain Piarco Intl
18h 42m
2 stops
IAD10:07 amWashington, D.C. Dulles Intl
Oct 31
IAD8:09 amWashington, D.C. Dulles Intl
30h 16m
2 stops
POS2:25 pmPort of Spain Piarco Intl
$428
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 julio 31, 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

mar. 9/30

3:51 am-3:05 pm

1 stop11h 14m

Washington, D.C. Dulles Intl

mié. 10/15

9:34 am-1:46 am

1 stop16h 12m

$382

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

jue. 9/11

12:30 am-11:55 pm

1 stop23h 25m

Washington, D.C. Dulles Intl

dom. 9/14

6:00 am-11:23 pm

1 stop17h 23m

$407

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

mar. 9/30

12:30 am-7:03 pm

1 stop18h 33m

Washington, D.C. Dulles Intl

mié. 10/15

10:45 am-11:23 pm

1 stop12h 38m

$410

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

lun. 9/22

3:25 pm-10:07 am

2 stops18h 42m

Washington, D.C. Dulles Intl

mié. 10/8

8:09 am-9:20 pm

2 stops13h 11m

$413

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

lun. 9/8

3:25 pm-10:07 am

2 stops18h 42m

Washington, D.C. Dulles Intl

mar. 9/16

7:21 pm-2:16 pm

2 stops18h 55m

$414

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

dom. 9/21

12:30 am-11:28 am

1 stop10h 58m

Washington, D.C. Dulles Intl

mié. 10/8

6:01 am-11:23 pm

1 stop17h 22m

$416

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

mar. 9/30

3:51 am-3:05 pm

1 stop11h 14m

Washington, D.C. Dulles Intl

mar. 10/14

2:25 am-1:17 pm

1 stop10h 52m

$424

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

mié. 10/1

12:30 am-10:06 pm

1 stop21h 36m

Washington, D.C. Dulles Intl

lun. 10/6

6:01 am-11:23 pm

1 stop17h 22m

$426

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

lun. 9/29

2:25 am-2:25 pm

1 stop12h 00m

Washington, D.C. Dulles Intl

vie. 10/31

9:55 am-12:15 am

2 stops14h 20m

$459

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

vie. 12/19

2:15 am-3:54 pm

1 stop14h 39m

Washington, D.C. Dulles Intl

vie. 1/2

9:00 am-1:15 am

1 stop15h 15m

$471

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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

Best Price Found

$230

Fastest flight time

9h 20m

Direct flights

None
The best one-way flight to Washington, D.C. Dulles Intl Airport from Port of Spain in the past 72 hours is $230. The best round-trip flight deal from Port of Spain to Washington, D.C. Dulles Intl Airport found on momondo in the last 72 hours is $382.
The fastest flight from Port of Spain to Washington, D.C. Dulles Intl Airport takes 9h 20m
There are no direct flights from Port of Spain to Washington, D.C. Dulles Intl Airport. Popular non-direct route for this connection is Port of Spain Piarco Intl Airport - 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 58m 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
7.5
1,493 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $396Free CancellationRating
7.4
8,900 reviews
Search United Airlines flights
American AirlinesPriceFrom $424Free CancellationRating
7.2
10,000 reviews
Search American 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
Gettysburg
Arlington
National Harbor
Winchester
Woodbridge
Laurel
Tysons
Silver Spring
Waldorf
Fredericksburg
Manassas
Harpers Ferry
Towson
Rockville
Colonial Beach
Gaithersburg
Fairfax
Reston
Glen Burnie

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.

An easier way to manage your Washington, D.C. Dulles Intl Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mar. 8/5
mar. 8/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Washington, D.C.