Cheap flights from Washington, D.C. to Port of Spain from $240

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 5/24. 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.

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
6:25 am - 1:46 am
IAD
-
POS
19h 21m
1 stop
Copa Airlines Logo
2:19 pm - 4:21 am
POS
-
IAD
14h 02m
1 stop
$542Copa Airlines
Fri, Jul 10 - Sun, Jul 19
Air Canada Logo
6:59 am - 12:15 am
DCA
-
POS
17h 16m
1 stop
Air Canada Logo
2:20 am - 6:07 pm
POS
-
DCA
16h 47m
1 stop
$546Air Canada
Fri, Oct 23 - Thu, Nov 5
Air Canada Logo
9:55 am - 12:15 am
IAD
-
POS
14h 20m
1 stop
Air Canada Logo
2:20 am - 8:26 pm
POS
-
IAD
19h 06m
1 stop
$546Air Canada
Fri, Oct 23 - Thu, Nov 5
Air Canada Logo
12:40 pm - 12:15 am
DCA
-
POS
11h 35m
2 stops
Air Canada Logo
2:20 am - 3:21 pm
POS
-
DCA
14h 01m
2 stops
$549Air Canada
Fri, Oct 23 - Thu, Nov 5
United Airlines Logo
12:55 pm - 11:23 pm
BWI
-
POS
10h 28m
1 stop
United Airlines Logo
12:30 am - 11:45 am
POS
-
BWI
11h 15m
1 stop
$580United Airlines
Tue, Aug 18 - Tue, Sep 1
United Airlines Logo
12:59 pm - 11:23 pm
DCA
-
POS
10h 24m
1 stop
United Airlines Logo
2:00 am - 3:23 pm
POS
-
DCA
13h 23m
1 stop
$580United Airlines
Wed, Jul 15 - Tue, Jul 21
Multiple Airlines Logo
7:27 pm - 6:55 pm
BWI
-
POS
23h 28m
1 stop
Multiple Airlines Logo
9:10 am - 6:32 pm
POS
-
BWI
9h 22m
1 stop
$586Multiple Airlines
Thu, Jul 9 - Thu, Jul 16
Multiple Airlines Logo
1:10 pm - 8:00 pm
BWI
-
POS
30h 50m
1 stop
Multiple Airlines Logo
9:10 am - 6:32 pm
POS
-
BWI
9h 22m
1 stop
$590Multiple Airlines
Sun, Jul 12 - Thu, Jul 23
American Airlines Logo
6:39 pm - 2:11 pm
BWI
-
POS
19h 32m
1 stop
American Airlines Logo
7:01 am - 11:54 pm
POS
-
BWI
16h 53m
1 stop
$591American Airlines
Thu, Jun 18 - Thu, Jun 25
American Airlines Logo
7:09 pm - 2:00 pm
BWI
-
POS
18h 51m
1 stop
American Airlines Logo
4:28 pm - 1:03 pm
POS
-
BWI
21h 35m
2 stops
$596American Airlines
Wed, Oct 28 - Wed, Nov 4

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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
Oct 28
IAD5:41 pmWashington, D.C. Dulles Intl
20h 19m
2 stops
POS2:00 pmPort of Spain Piarco Intl
Nov 4
POS4:28 pmPort of Spain Piarco Intl
21h 44m
2 stops
IAD1:12 pmWashington, D.C. Dulles Intl
$584
American Airlines
Jun 18
BWI6:39 pmBaltimore/Washington
19h 32m
1 stop
POS2:11 pmPort of Spain Piarco Intl
Jun 25
POS7:01 amPort of Spain Piarco Intl
16h 53m
1 stop
BWI11:54 pmBaltimore/Washington
$591
American Airlines
Oct 28
BWI7:09 pmBaltimore/Washington
18h 51m
1 stop
POS2:00 pmPort of Spain Piarco Intl
Nov 4
POS4:28 pmPort of Spain Piarco Intl
21h 35m
2 stops
BWI1:03 pmBaltimore/Washington
$596

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

Our best Copa Airlines deals on Washington, D.C. to Port of Spain flight tickets
Copa Airlines
Jul 10
IAD6:25 amWashington, D.C. Dulles Intl
19h 21m
1 stop
POS1:46 amPort of Spain Piarco Intl
Jul 19
POS2:19 pmPort of Spain Piarco Intl
14h 02m
1 stop
IAD4:21 amWashington, D.C. Dulles Intl
$542
Copa Airlines
Jul 10
IAD2:22 amWashington, D.C. Dulles Intl
10h 54m
1 stop
POS1:16 pmPort of Spain Piarco Intl
Jul 15
POS2:19 pmPort of Spain Piarco Intl
11h 28m
1 stop
IAD1:47 amWashington, D.C. Dulles Intl
$555
Copa Airlines
Oct 28
IAD9:25 amWashington, D.C. Dulles Intl
16h 19m
1 stop
POS1:44 amPort of Spain Piarco Intl
Nov 3
POS3:40 amPort of Spain Piarco Intl
11h 18m
1 stop
IAD1:58 pmWashington, D.C. Dulles Intl
$557

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 May 5, 2026.
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

Cheapest round-trip

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Fri 7/10

6:25 am-1:46 am

1 stop19h 21m

Port of Spain Piarco Intl

Sun 7/19

2:19 pm-4:21 am

1 stop14h 02m

$542

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 10/23

6:59 am-12:15 am

1 stop17h 16m

Port of Spain Piarco Intl

Thu 11/5

2:20 am-6:07 pm

1 stop16h 47m

$546

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

Fri 10/23

9:55 am-12:15 am

1 stop14h 20m

Port of Spain Piarco Intl

Thu 11/5

2:20 am-8:26 pm

1 stop19h 06m

$546

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Fri 10/23

12:40 pm-12:15 am

2 stops11h 35m

Port of Spain Piarco Intl

Thu 11/5

2:20 am-3:21 pm

2 stops14h 01m

$549
Quickest round-trip

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Tue 8/18

12:55 pm-11:23 pm

1 stop10h 28m

Port of Spain Piarco Intl

Tue 9/1

12:30 am-11:45 am

1 stop11h 15m

$580

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

Wed 7/15

12:59 pm-11:23 pm

1 stop10h 24m

Port of Spain Piarco Intl

Tue 7/21

2:00 am-3:23 pm

1 stop13h 23m

$580

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Thu 7/9

7:27 pm-6:55 pm

1 stop23h 28m

Port of Spain Piarco Intl

Thu 7/16

9:10 am-6:32 pm

1 stop9h 22m

$586

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Sun 7/12

1:10 pm-8:00 pm

1 stop30h 50m

Port of Spain Piarco Intl

Thu 7/23

9:10 am-6:32 pm

1 stop9h 22m

$590

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Thu 6/18

6:39 pm-2:11 pm

1 stop19h 32m

Port of Spain Piarco Intl

Thu 6/25

7:01 am-11:54 pm

1 stop16h 53m

$591

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

Wed 10/28

7:09 pm-2:00 pm

1 stop18h 51m

Port of Spain Piarco Intl

Wed 11/4

4:28 pm-1:03 pm

2 stops21h 35m

$596

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 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 August is, on average, the cheapest month to fly to Port of Spain from Washington, D.C., with most prices found around $137. If you’re not able to fly to Port of Spain in August, then July is your next best option. Flight prices from Washington, D.C. to Port of Spain during July average around $172.

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

You could potentially save up to 39% 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 May 2026, prices for Washington, D.C. to Port of Spain flights are approximately 30% 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 13m

Direct flights

None
The fastest flight from Washington, D.C. to Port of Spain takes 7h 13m
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.

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

  • 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 13m, 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
Air CanadaPriceFrom $175Free CancellationRating
7.1
11,000 reviews
Search Air Canada flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
9,684 reviews
Search United Airlines flights
Copa AirlinesPriceFrom $291Free CancellationRating
7.5
1,580 reviews
Search Copa Airlines flights
JetBluePriceFrom $388Free CancellationRating
7.1
2,978 reviews
Search JetBlue flights
American AirlinesPriceFrom $395Free CancellationRating
7.1
11,672 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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1 adult
Thu 6/4
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