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 1/12. 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

Copa Airlines Logo
2:40 pm - 4:20 amPOS-IAD
13h 40m1 stop
Copa Airlines Logo
4:34 pm - 1:46 amIAD-POS
9h 12m1 stop
$382Copa Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 15
Copa Airlines Logo
2:40 pm - 12:30 amPOS-IAD
9h 50m1 stop
Copa Airlines Logo
4:34 pm - 1:46 amIAD-POS
9h 12m1 stop
$398Copa Airlines
Find Deal
Wed, Oct 22 - Wed, Oct 29
United Airlines Logo
1:30 am - 10:25 pmPOS-BWI
21h 55m1 stop
United Airlines Logo
6:04 pm - 12:23 amBWI-POS
29h 19m1 stop
$407United Airlines
Find Deal
Fri, Dec 12 - Sun, Jan 4
United Airlines Logo
12:30 am - 4:03 pmPOS-DCA
15h 33m1 stop
United Airlines Logo
6:00 am - 12:23 amDCA-POS
17h 23m1 stop
$407United Airlines
Find Deal
Mon, Sep 22 - Thu, Dec 4
American Airlines Logo
3:25 pm - 5:00 pmPOS-BWI
25h 35m2 stops
American Airlines Logo
6:52 pm - 2:25 pmBWI-POS
19h 33m2 stops
$414American Airlines
Find Deal
Fri, Sep 26 - Sun, Oct 5
American Airlines Logo
3:25 pm - 7:59 amPOS-DCA
16h 34m2 stops
American Airlines Logo
6:00 am - 9:20 pmDCA-POS
15h 20m1 stop
$414American Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 15
 Logo
9:10 am - 11:37 pmPOS-BWI
14h 27m1 stop
 Logo
8:16 pm - 8:00 pmBWI-POS
23h 44m1 stop
Mon, Sep 22 - Sat, Oct 4
 Logo
9:10 am - 6:49 pmPOS-BWI
9h 39m1 stop
 Logo
8:16 pm - 8:00 pmBWI-POS
23h 44m1 stop
Thu, Sep 18 - Sat, Oct 4
Air Canada Logo
2:25 am - 9:51 pmPOS-DCA
19h 26m2 stops
Air Canada Logo
6:00 am - 1:10 amDCA-POS
18h 10m2 stops
$452Air Canada
Find Deal
Mon, Sep 22 - Thu, Dec 4
Air Canada Logo
2:15 am - 8:59 pmPOS-IAD
43h 44m2 stops
Air Canada Logo
9:00 am - 1:10 amIAD-POS
15h 10m1 stop
$452Air Canada
Find Deal
Thu, Dec 18 - Thu, Jan 8

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

Our best Copa Airlines deals on Port of Spain to Washington, D.C. flight tickets
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
Copa Airlines
Oct 22
POS2:40 pmPort of Spain Piarco Intl
9h 50m
1 stop
IAD12:30 amWashington, D.C. Dulles Intl
Oct 29
IAD4:34 pmWashington, D.C. Dulles Intl
9h 12m
1 stop
POS1:46 amPort of Spain Piarco Intl
Copa Airlines
Sep 30
POS3:51 amPort of Spain Piarco Intl
11h 14m
1 stop
IAD3:05 pmWashington, D.C. Dulles Intl
Oct 15
IAD4:34 pmWashington, D.C. Dulles Intl
9h 12m
1 stop
POS1:46 amPort of Spain Piarco Intl

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

Our best United Airlines deals on Port of Spain to Washington, D.C. flight tickets
United Airlines
Sep 15
POS12:30 amPort of Spain Piarco Intl
10h 58m
1 stop
IAD11:28 amWashington, D.C. Dulles Intl
Oct 4
IAD12:50 pmWashington, D.C. Dulles Intl
10h 33m
1 stop
POS11:23 pmPort of Spain Piarco Intl
United Airlines
Oct 1
POS12:30 amPort of Spain Piarco Intl
18h 33m
1 stop
IAD7:03 pmWashington, D.C. Dulles Intl
Oct 6
IAD6:01 amWashington, D.C. Dulles Intl
17h 22m
1 stop
POS11:23 pmPort of Spain Piarco Intl
United Airlines
Sep 18
POS12:30 amPort of Spain Piarco Intl
16h 59m
2 stops
BWI5:29 pmBaltimore/Washington
Oct 4
BWI5:20 pmBaltimore/Washington
30h 03m
2 stops
POS11:23 pmPort of Spain Piarco Intl

momondo Fare Finder

 
Customize your flight search to find flights from Port of Spain to Washington, D.C. 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 August 16, 2025.
Use the filters below to find and compare flights from Port of Spain to Washington, D.C. 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

Wed 10/1

2:40 pm-4:20 am

1 stop13h 40m

Washington, D.C. Dulles Intl

Wed 10/15

4:34 pm-1:46 am

1 stop9h 12m

$382

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Wed 10/22

2:40 pm-12:30 am

1 stop9h 50m

Washington, D.C. Dulles Intl

Wed 10/29

4:34 pm-1:46 am

1 stop9h 12m

$398

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Fri 12/12

1:30 am-10:25 pm

1 stop21h 55m

Baltimore/Washington

Sun 1/4

6:04 pm-12:23 am

1 stop29h 19m

$407

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Mon 9/22

12:30 am-4:03 pm

1 stop15h 33m

Washington, D.C. Reagan-National

Thu 12/4

6:00 am-12:23 am

1 stop17h 23m

$407

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Fri 9/26

3:25 pm-5:00 pm

2 stops25h 35m

Baltimore/Washington

Sun 10/5

6:52 pm-2:25 pm

2 stops19h 33m

$414

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Wed 10/1

3:25 pm-7:59 am

2 stops16h 34m

Washington, D.C. Reagan-National

Wed 10/15

6:00 am-9:20 pm

1 stop15h 20m

$414

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Mon 9/22

9:10 am-11:37 pm

1 stop14h 27m

Baltimore/Washington

Sat 10/4

8:16 pm-8:00 pm

1 stop23h 44m

$445

Port of SpainBaltimore

POS - BWI

POSBWI

Port of Spain Piarco Intl

Thu 9/18

9:10 am-6:49 pm

1 stop9h 39m

Baltimore/Washington

Sat 10/4

8:16 pm-8:00 pm

1 stop23h 44m

$446

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Mon 9/22

2:25 am-9:51 pm

2 stops19h 26m

Washington, D.C. Reagan-National

Thu 12/4

6:00 am-1:10 am

2 stops18h 10m

$452

Port of SpainWashington, D.C.

POS - IAD

POSIAD

Port of Spain Piarco Intl

Thu 12/18

2:15 am-8:59 pm

2 stops43h 44m

Washington, D.C. Dulles Intl

Thu 1/8

9:00 am-1:10 am

1 stop15h 10m

$452

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.

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.?

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

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Port of Spain, with most prices found around $374. If you’re not able to fly to Washington, D.C. in February, then January is your next best option. Flight prices from Port of Spain to Washington, D.C. during January average around $418.

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

On average, the least expensive day to fly to Washington, D.C. from Port of Spain is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $476. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Port of Spain to Washington, D.C. for around $616.

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

In the evening is the cheapest time of day to fly from Port of Spain to Washington, D.C. when you can find flight prices for as low as $498. Flying to Washington, D.C. in the evening is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $607. Of course, these prices can vary depending on the time of year and what airport you fly to.

How have Port of Spain to Washington, D.C. flight prices changed over time?

As of August 2025, prices for Port of Spain to Washington, D.C. flights are approximately 34% cheaper when compared to flights at the same time last year.

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

Are you open to changing your travel dates? Check out the ideal times to fly from Port of Spain to Washington, D.C. 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. (POS to WAS) flight deals and tips

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

Best Price Found

$230

Fastest flight time

8h 24m

Direct flights

None

Airports in Washington, D.C.

3 airports
The best one-way flight to Washington, D.C. 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. found on momondo in the last 72 hours is $382.
The fastest flight from Port of Spain to Washington, D.C. takes 8h 24m
There are no direct flights from Port of Spain to Washington, D.C.. Popular non-direct routes for this connection are Port of Spain Piarco Intl Airport - Washington, D.C. Reagan-National Airport, Port of Spain Piarco Intl Airport - Baltimore/Washington Airport and Port of Spain Piarco Intl Airport - Washington, D.C. Dulles Intl Airport.
There are 3 airports near Washington, D.C.: Washington, D.C. Reagan-National (DCA), Baltimore/Washington (BWI), Washington, D.C. Dulles Intl (IAD)
  • How far is Port of Spain Piarco Intl to Washington, D.C. by plane?

    Washington, D.C. is 2171.9 mi away from Port of Spain Piarco Intl. By plane, this route typically takes 8h 31m.

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

    Prices for flights from Port of Spain Piarco Intl Airport to Washington, D.C. are refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, 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..

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

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Compare and see reviews for airlines that fly from Port of Spain to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $328Free CancellationRating
7.5
1,509 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $353Free CancellationRating
7.4
8,916 reviews
Search United Airlines flights
American AirlinesPriceFrom $390Free 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
Woodbridge
Tysons
Laurel
Silver Spring
Waldorf
Fredericksburg
Colonial Beach
Manassas
Rockville
Towson
Gaithersburg
Fairfax
Reston
Glen Burnie
Linthicum Heights
Springfield

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Port of Spain.

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

Yes. momondo allows you to filter the results for Port of Spain to Washington, D.C. flights to just show those with flexible booking policies.

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

Once you have performed a search for Port of Spain to Washington, D.C. flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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 simply researching potential flights to Washington, D.C., momondo offers a useful price alert feature which will track prices for flights to Washington, D.C. from Port of Spain and alert you when they change.

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1 adult
Thu 8/21
Thu 8/28

Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.