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Cheap flights from Washington, D.C. to Port of Spain from $198

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Port of Spain departing on 1/31. 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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Find the cheapest flights from Washington, D.C. to Port of Spain

Cheap round-trip flights

Enter your travel dates to find the best prices.
Copa Airlines Logo
8:25 am - 2:13 am
IAD
-
POS
16h 48m1 stop
Copa Airlines Logo
3:46 am - 2:00 pm
POS
-
IAD
11h 14m1 stop
$353Copa Airlines
Fri, Jan 30 - Mon, Mar 2
Copa Airlines Logo
3:45 pm - 1:46 am
BWI
-
POS
9h 01m1 stop
Copa Airlines Logo
3:46 am - 3:11 pm
POS
-
BWI
11h 25m1 stop
$367Copa Airlines
Wed, Mar 4 - Sun, Mar 8
Copa Airlines Logo
3:25 pm - 1:33 pm
IAD
-
POS
21h 08m1 stop
Copa Airlines Logo
3:13 am - 3:15 am
POS
-
IAD
25h 02m1 stop
$372Copa Airlines
Thu, Jan 29 - Sun, Feb 1
Copa Airlines Logo
1:12 am - 1:11 pm
IAD
-
POS
10h 59m1 stop
Copa Airlines Logo
3:40 am - 1:58 pm
POS
-
IAD
11h 18m1 stop
$373Copa Airlines
Tue, Jan 27 - Fri, Jan 30
Copa Airlines Logo
3:25 pm - 2:13 am
IAD
-
POS
9h 48m1 stop
Copa Airlines Logo
3:13 am - 2:00 pm
POS
-
IAD
11h 47m1 stop
$375Copa Airlines
Wed, Jan 28 - Sun, Feb 1
JetBlue Logo
4:59 pm - 7:17 am
DCA
-
POS
13h 18m2 stops
JetBlue Logo
8:05 am - 8:01 am
POS
-
DCA
23h 56m2 stops
$395JetBlue
Wed, Mar 4 - Mon, Mar 9
JetBlue Logo
7:45 pm - 7:11 pm
DCA
-
POS
22h 26m2 stops
JetBlue Logo
8:20 am - 8:36 am
POS
-
DCA
25h 16m2 stops
$405JetBlue
Fri, Jan 16 - Sun, Jan 18
Multiple Airlines Logo
8:40 pm - 1:20 am
DCA
-
POS
27h 40m1 stop
Multiple Airlines Logo
8:00 am - 6:49 pm
POS
-
DCA
11h 49m2 stops
$419Multiple Airlines
Wed, Jan 14 - Wed, Jan 21
Multiple Airlines Logo
8:39 am - 6:55 pm
BWI
-
POS
9h 16m1 stop
Multiple Airlines Logo
9:10 am - 5:02 pm
POS
-
BWI
8h 52m1 stop
$423Multiple Airlines
Mon, Jan 12 - Sat, Jan 17
Air Canada Logo
9:00 am - 1:20 am
IAD
-
POS
15h 20m1 stop
Air Canada Logo
2:20 am - 8:26 pm
POS
-
IAD
19h 06m1 stop
$443Air Canada
Thu, Jan 22 - Sun, Jan 25

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

Our best United Airlines deals on Washington, D.C. to Port of Spain flight tickets
United Airlines
Jun 1
BWI1:30 pmBaltimore/Washington
9h 53m
1 stop
POS11:23 pmPort of Spain Piarco Intl
Jun 8
POS12:30 amPort of Spain Piarco Intl
10h 50m
1 stop
BWI11:20 amBaltimore/Washington
$509
Find similar
United Airlines
Jun 1
BWI6:17 amBaltimore/Washington
17h 06m
2 stops
POS11:23 pmPort of Spain Piarco Intl
Jun 8
POS12:30 amPort of Spain Piarco Intl
16h 43m
2 stops
BWI5:13 pmBaltimore/Washington
$513
Find similar
United Airlines
Mar 4
DCA11:00 amWashington, D.C. Reagan-National
12h 23m
1 stop
POS12:23 amPort of Spain Piarco Intl
Mar 8
POS12:30 amPort of Spain Piarco Intl
23h 20m
1 stop
DCA11:50 pmWashington, D.C. Reagan-National
$519
Find similar

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

Our best American Airlines deals on Washington, D.C. to Port of Spain flight tickets
American Airlines
Jan 30
DCA5:55 amWashington, D.C. Reagan-National
15h 53m
1 stop
POS10:48 pmPort of Spain Piarco Intl
Mar 3
POS4:40 pmPort of Spain Piarco Intl
8h 59m
1 stop
DCA12:39 amWashington, D.C. Reagan-National
$509
Find similar
American Airlines
Jan 14
IAD5:46 pmWashington, D.C. Dulles Intl
20h 39m
2 stops
POS3:25 pmPort of Spain Piarco Intl
Jul 8
POS3:30 pmPort of Spain Piarco Intl
21h 14m
2 stops
IAD12:44 pmWashington, D.C. Dulles Intl
$513
Find similar
American Airlines
Mar 4
BWI6:37 pmBaltimore/Washington
20h 02m
2 stops
POS3:39 pmPort of Spain Piarco Intl
Mar 9
POS3:18 pmPort of Spain Piarco Intl
30h 01m
2 stops
BWI9:19 pmBaltimore/Washington
$533
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Port of Spain 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 December 18, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Port of Spain that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Fri 1/30

8:25 am-2:13 am

1 stop16h 48m

Port of Spain Piarco Intl

Mon 3/2

3:46 am-2:00 pm

1 stop11h 14m

$353

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Wed 3/4

3:45 pm-1:46 am

1 stop9h 01m

Port of Spain Piarco Intl

Sun 3/8

3:46 am-3:11 pm

1 stop11h 25m

$367

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Thu 1/29

3:25 pm-1:33 pm

1 stop21h 08m

Port of Spain Piarco Intl

Sun 2/1

3:13 am-3:15 am

1 stop25h 02m

$372

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Tue 1/27

1:12 am-1:11 pm

1 stop10h 59m

Port of Spain Piarco Intl

Fri 1/30

3:40 am-1:58 pm

1 stop11h 18m

$373

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Wed 1/28

3:25 pm-2:13 am

1 stop9h 48m

Port of Spain Piarco Intl

Sun 2/1

3:13 am-2:00 pm

1 stop11h 47m

$375

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Wed 3/4

4:59 pm-7:17 am

2 stops13h 18m

Port of Spain Piarco Intl

Mon 3/9

8:05 am-8:01 am

2 stops23h 56m

$395

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 1/16

7:45 pm-7:11 pm

2 stops22h 26m

Port of Spain Piarco Intl

Sun 1/18

8:20 am-8:36 am

2 stops25h 16m

$405

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Wed 1/14

8:40 pm-1:20 am

1 stop27h 40m

Port of Spain Piarco Intl

Wed 1/21

8:00 am-6:49 pm

2 stops11h 49m

$419

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Mon 1/12

8:39 am-6:55 pm

1 stop9h 16m

Port of Spain Piarco Intl

Sat 1/17

9:10 am-5:02 pm

1 stop8h 52m

$423

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Thu 1/22

9:00 am-1:20 am

1 stop15h 20m

Port of Spain Piarco Intl

Sun 1/25

2:20 am-8:26 pm

1 stop19h 06m

$443

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Port of Spain from

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

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 Washington, D.C. and Port of Spain?

What is the cheapest month to fly to Port of Spain?

The month of January is, on average, the cheapest month to fly to Port of Spain from Washington, D.C., with most prices found around $428. If you’re not able to fly to Port of Spain in January, then November is your next best option. Flight prices from Washington, D.C. to Port of Spain during November average around $474.

What is the cheapest day to depart on your flight to Port of Spain?

The cheapest day to depart from Washington, D.C. to Port of Spain is on a Saturday when prices can be found for as low as $566. Flights from Washington, D.C. to Port of Spain on a Sunday will generally be more expensive and average around $655. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Port of Spain?

In the evening is the cheapest time of day to fly from Washington, D.C. to Port of Spain when you can find flight prices for as low as $492. Flying to Port of Spain in the evening is an ideal time because this is during off-peak travel hours. At noon is when there is more demand to fly to Port of Spain, so prices are often more expensive at around $621 per ticket.

Can stopping save me money on Washington, D.C. to Port of Spain flights?

You could potentially save up to 8% on your flight if you consider stops on a Washington, D.C. to Port of Spain flight.

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

As of December 2025, prices for Washington, D.C. to Port of Spain flights are approximately 4% more expensive when compared to flights at the same time last year.

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

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

Cheap Washington, D.C. to Port of Spain (WAS to POS) flight deals and tips

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

Fastest flight time

7h 51m

Direct flights

None
The fastest flight from Washington, D.C. to Port of Spain takes 7h 51m
There are no direct flights from Washington, D.C. to Port of Spain. There are no popular flight routes from Washington, D.C. to Port of Spain.
Search flight deals

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

    A flight from Washington, D.C. to Port of Spain Piarco Intl will travel around 2171.9 mi. Flights usually cover this in 7h 51m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Port of Spain Piarco Intl Airport.

  • What documentation or ID do you need to fly to Port of Spain Piarco Intl Airport?

    The travel and health documents required for your trip to Port of Spain Piarco Intl Airport 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 Port of Spain Piarco Intl Airport. 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 Washington, D.C. to Port of Spain?

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

Compare and see reviews for airlines that fly from Washington, D.C. to Port of Spain with momondo
Airline
Rating
Free Cancellation
Price
Copa AirlinesPriceFrom $291Free CancellationRating
7.6
1,556 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $323Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
American AirlinesPriceFrom $373Free CancellationRating
7.2
11,054 reviews
Search American Airlines flights

Traveling to a place near Port of Spain?

Book flights to Port of Spain if you plan to visit one of these locations
Piarco

Why use momondo?

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

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 Port of Spain from Washington, D.C..

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

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

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

Once all potential Washington, D.C. to Port of Spain flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

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

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