Cheap flights from Washington, D.C. to Port of Spain from $173

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 10/21. 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.

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

Cheap round-trip flights

Copa Airlines Logo
4:49 pm - 1:46 amBWI-POS
8h 57m1 stop
Copa Airlines Logo
3:51 am - 3:08 pmPOS-BWI
11h 17m1 stop
$329Copa Airlines
Find Deal
mié., oct. 1 - dom., oct. 5
Copa Airlines Logo
2:25 am - 1:17 pmIAD-POS
10h 52m1 stop
Copa Airlines Logo
3:51 am - 3:05 pmPOS-IAD
11h 14m1 stop
$352Copa Airlines
Find Deal
mar., oct. 21 - lun., oct. 27
Copa Airlines Logo
9:34 am - 1:46 amIAD-POS
16h 12m1 stop
Copa Airlines Logo
3:51 am - 3:05 pmPOS-IAD
11h 14m1 stop
$372Copa Airlines
Find Deal
vie., oct. 24 - lun., oct. 27
American Airlines Logo
5:05 am - 2:16 pmDCA-POS
9h 11m1 stop
American Airlines Logo
7:00 am - 11:59 pmPOS-DCA
16h 59m1 stop
$378American Airlines
Find Deal
mar., sep. 23 - mié., oct. 22
United Airlines Logo
6:00 am - 11:23 pmBWI-POS
17h 23m1 stop
United Airlines Logo
12:30 am - 4:14 pmPOS-BWI
15h 44m1 stop
$378United Airlines
Find Deal
jue., sep. 18 - jue., sep. 25
United Airlines Logo
12:50 pm - 11:23 pmIAD-POS
10h 33m1 stop
United Airlines Logo
12:30 am - 7:13 pmPOS-IAD
18h 43m1 stop
$378United Airlines
Find Deal
mié., sep. 3 - mar., sep. 9
American Airlines Logo
10:20 pm - 2:16 pmDCA-POS
15h 56m2 stops
American Airlines Logo
7:00 am - 11:06 pmPOS-DCA
16h 06m1 stop
$383American Airlines
Find Deal
mar., sep. 23 - mié., oct. 22
 Logo
7:48 pm - 4:15 amBWI-POS
8h 27m1 stop
 Logo
9:10 am - 6:49 pmPOS-BWI
9h 39m1 stop
jue., sep. 18 - jue., sep. 25
 Logo
7:48 pm - 4:15 amBWI-POS
8h 27m1 stop
 Logo
9:10 am - 11:32 pmPOS-BWI
14h 22m1 stop
jue., sep. 18 - lun., sep. 22
JetBlue Logo
6:15 am - 2:31 pmDCA-POS
7h 16m1 stop
JetBlue Logo
8:40 am - 10:59 pmPOS-DCA
15h 19m1 stop
$605JetBlue
Find Deal
vie., dic. 26 - mar., dic. 30

Air Canada flights from Washington, D.C. to Port of Spain

Our best Air Canada deals on Washington, D.C. to Port of Spain flight tickets
Air Canada
Sep 21
DCA12:55 pmWashington, D.C. Reagan-National
12h 25m
2 stops
POS1:20 amPort of Spain Piarco Intl
Sep 22
POS2:25 amPort of Spain Piarco Intl
13h 26m
2 stops
DCA3:51 pmWashington, D.C. Reagan-National
Air Canada
Oct 12
DCA11:00 amWashington, D.C. Reagan-National
14h 20m
1 stop
POS1:20 amPort of Spain Piarco Intl
Oct 30
POS1:15 amPort of Spain Piarco Intl
33h 11m
2 stops
DCA10:26 amWashington, D.C. Reagan-National
Air Canada
Sep 20
DCA4:35 pmWashington, D.C. Reagan-National
32h 45m
2 stops
POS1:20 amPort of Spain Piarco Intl
Oct 5
POS2:25 amPort of Spain Piarco Intl
13h 26m
2 stops
DCA3:51 pmWashington, D.C. Reagan-National

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
Sep 23
DCA5:05 amWashington, D.C. Reagan-National
9h 11m
1 stop
POS2:16 pmPort of Spain Piarco Intl
Oct 22
POS7:00 amPort of Spain Piarco Intl
16h 59m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
American Airlines
Sep 23
DCA10:20 pmWashington, D.C. Reagan-National
15h 56m
2 stops
POS2:16 pmPort of Spain Piarco Intl
Oct 22
POS7:00 amPort of Spain Piarco Intl
16h 06m
1 stop
DCA11:06 pmWashington, D.C. Reagan-National
American Airlines
Oct 11
BWI7:18 pmBaltimore/Washington
19h 07m
1 stop
POS2:25 pmPort of Spain Piarco Intl
Oct 28
POS7:00 amPort of Spain Piarco Intl
11h 28m
1 stop
BWI6:28 pmBaltimore/Washington

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 julio 30, 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

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

mié. 10/1

4:49 pm-1:46 am

1 stop8h 57m

Port of Spain Piarco Intl

dom. 10/5

3:51 am-3:08 pm

1 stop11h 17m

$329

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

mar. 10/21

2:25 am-1:17 pm

1 stop10h 52m

Port of Spain Piarco Intl

lun. 10/27

3:51 am-3:05 pm

1 stop11h 14m

$352

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

vie. 10/24

9:34 am-1:46 am

1 stop16h 12m

Port of Spain Piarco Intl

lun. 10/27

3:51 am-3:05 pm

1 stop11h 14m

$372

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

mar. 9/23

5:05 am-2:16 pm

1 stop9h 11m

Port of Spain Piarco Intl

mié. 10/22

7:00 am-11:59 pm

1 stop16h 59m

$378

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

jue. 9/18

6:00 am-11:23 pm

1 stop17h 23m

Port of Spain Piarco Intl

jue. 9/25

12:30 am-4:14 pm

1 stop15h 44m

$378

Washington, D.C.Port of Spain

IAD - POS

IADPOS

Washington, D.C. Dulles Intl

mié. 9/3

12:50 pm-11:23 pm

1 stop10h 33m

Port of Spain Piarco Intl

mar. 9/9

12:30 am-7:13 pm

1 stop18h 43m

$378

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

mar. 9/23

10:20 pm-2:16 pm

2 stops15h 56m

Port of Spain Piarco Intl

mié. 10/22

7:00 am-11:06 pm

1 stop16h 06m

$383

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

jue. 9/18

7:48 pm-4:15 am

1 stop8h 27m

Port of Spain Piarco Intl

jue. 9/25

9:10 am-6:49 pm

1 stop9h 39m

$432

BaltimorePort of Spain

BWI - POS

BWIPOS

Baltimore/Washington

jue. 9/18

7:48 pm-4:15 am

1 stop8h 27m

Port of Spain Piarco Intl

lun. 9/22

9:10 am-11:32 pm

1 stop14h 22m

$434

Washington, D.C.Port of Spain

DCA - POS

DCAPOS

Washington, D.C. Reagan-National

vie. 12/26

6:15 am-2:31 pm

1 stop7h 16m

Port of Spain Piarco Intl

mar. 12/30

8:40 am-10:59 pm

1 stop15h 19m

$605

Flights are sorted by cheapest round-trip flights first.

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

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 May is your next best option. Flight prices from Washington, D.C. to Port of Spain during May average around $482.

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.

How far in advance should I book a flight to Port of Spain?

You are more likely to see cheaper flights to Port of Spain from Washington, D.C. when booking weeks ahead of your departure date. In general, you can expect to find flights to Port of Spain for around $636 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Port of Spain from Washington, D.C. for as low as $458 on momondo.

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

You could potentially save up to 2% 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 July 2025, prices for Washington, D.C. to Port of Spain flights are approximately 24% cheaper 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

Best Price Found

$173

Fastest flight time

7h 16m

Direct flights

None

Airports in Port of Spain

1 airport
The best one-way flight to Port of Spain from Washington, D.C. in the past 72 hours is $173. The best round-trip flight deal from Washington, D.C. to Port of Spain found on momondo in the last 72 hours is $329.
The fastest flight from Washington, D.C. to Port of Spain takes 7h 16m
There are no direct flights from Washington, D.C. to Port of Spain. Popular non-direct routes for this connection are Baltimore/Washington Airport - Port of Spain Piarco Intl Airport, Washington, D.C. Reagan-National Airport - Port of Spain Piarco Intl Airport and Washington, D.C. Dulles Intl Airport - Port of Spain Piarco Intl Airport.
There is 1 airport near Port of Spain: Port of Spain Piarco Intl (POS)

  • 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 16m, 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 $309Free CancellationRating
7.5
1,493 reviews
Search Copa Airlines flights
United AirlinesPriceFrom $323Free CancellationRating
7.4
8,896 reviews
Search United Airlines flights
American AirlinesPriceFrom $357Free CancellationRating
7.2
10,000 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.


An easier way to manage your Port of Spain 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
lun. 8/4
lun. 8/11

Find better results for your trip to Trinidad and Tobago