What are the cheapest airlines flying from Port of Spain to Washington, D.C. Reagan-National Airport round-trip?

United Airlines, at $385, was found to be the cheapest airline from Port of Spain to Washington, D.C. Reagan-National Airport. An alternate airline flying to your destination would be American Airlines. United Airlines is priced at 31% lower than the current average price of a flight leaving 3 months from now.

What is the cheapest day to fly from Port of Spain to Washington, D.C. Reagan-National Airport?

Travelers seeking maximum savings on their Port of Spain to Washington, D.C. Reagan-National Airport flight should consider departing on Saturday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

In terms of precipitation, rainfall in Washington, D.C. Reagan-National Airport ranges from 2.6 - 4.0 inches per month. May is typically the wettest month, when rainfall can reach 4.0 in. February is typically the driest time to visit Washington, D.C. Reagan-National Airport when rainfall is around 2.6 in.

If weather is an important factor for your trip to Washington, D.C. Reagan-National Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).

What is the cheapest day to fly round-trip from Port of Spain to Washington, D.C. Reagan-National Airport?

Travelers have found that booking a Wednesday departure is the best way to save up to 41% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

What is the cheapest month to fly from Port of Spain to Washington, D.C. Reagan-National Airport?

Due to multiple factors, expect to potentially pay more when booking in April. For low rates, February can be a great choice for travel to Washington, D.C. Reagan-National Airport. Flights to Washington, D.C. Reagan-National Airport from Port of Spain in February are about $487 on average during February, but can be found for as low as $324.

What airport do you fly from for flights from Port of Spain to Washington, D.C. Reagan-National?

Located just 12.6 mi from the city center, Port of Spain Piarco Intl is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Port of Spain. Booking flights from Piarco Intl (POS) to Washington, D.C. Reagan-National should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Reagan-National from 2 different airlines.

Can I find deals for flights from Port of Spain to Reagan-National that include hotel bookings?

Yes. In addition to deals on Port of Spain to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Port of Spain to Reagan-National?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Port of Spain to Reagan-National.

Can I find deals for business class flights from Port of Spain to Reagan-National?

Yes. Cheapflights offers flight deals from Port of Spain to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

$254+ Flights from Port of Spain to Washington, D.C. Reagan-National Airport

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1. Tell us where you want to go

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Cheapflights Tip: The best prices from Port of Spain Piarco Intl to Washington, D.C. Reagan-National are usually found in January or June, booked 34 days in advance, depart on a Thursday or Tuesday and return on a Saturday

Cheap flight deals from Port of Spain to Reagan-National

Round-trip from	$407 (United Airlines)
One-way from	$254 (Air Canada)
Popular in	November
Cheapest in	January
Average price	$529

From Port of Spain Piarco Intl to Washington, D.C. Reagan-National

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One-way flight from Port of Spain Piarco Intl to Washington, D.C. Reagan-National

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Highest demand for flights based on searches. 10% potential increase in price ($63 potential increase over avg. RT price).

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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).

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Average for round-trip flights in September 2025

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Find flight deals from Port of Spain to Reagan-National

Cheapest flights from Port of Spain to Reagan-National
Explore the most affordable flight options available from Port of Spain to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Wed 10/2212:30 amPOS - DCA

1 stop20h 21mUnited Airlines

Mon 10/277:59 pmDCA - POS

1 stop27h 24mUnited Airlines

Deal found 9/14

$407

Thu 10/1612:30 amPOS - DCA

1 stop15h 32mUnited Airlines

Sat 11/16:00 amDCA - POS

1 stop18h 25mUnited Airlines

Deal found 9/15

$410

Mon 9/2912:30 amPOS - DCA

2 stops22h 13mUnited Airlines

Thu 11/1312:50 pmDCA - POS

1 stop10h 33mUnited Airlines

Deal found 9/13

$424

Tue 9/3012:30 amPOS - DCA

1 stop15h 32mUnited Airlines

Wed 10/158:20 amDCA - POS

1 stop15h 03mUnited Airlines

Deal found 9/15

$426

Sun 10/512:30 amPOS - DCA

1 stop18h 09mUnited Airlines

Sun 10/126:00 amDCA - POS

1 stop17h 23mUnited Airlines

Deal found 9/15

$441

Sat 9/2712:30 amPOS - DCA

1 stop11h 04mUnited Airlines

Wed 10/112:55 pmDCA - POS

1 stop10h 28mUnited Airlines

Deal found 9/15

$443

Tue 11/252:15 amPOS - DCA

2 stops33h 11mAir Canada

Tue 12/99:40 amDCA - POS

1 stop14h 30mAir Canada

Deal found 9/13

$452

Thu 10/301:15 amPOS - DCA

2 stops44h 41mAir Canada

Sun 11/25:00 amDCA - POS

2 stops18h 10mAir Canada

Deal found 9/14

$459

Mon 10/62:25 amPOS - DCA

1 stop15h 39mAir Canada

Sun 10/1212:55 pmDCA - POS

2 stops12h 25mAir Canada

Deal found 9/15

$470

Sun 10/52:25 amPOS - DCA

2 stops19h 26mAir Canada

Mon 10/1312:55 pmDCA - POS

2 stops12h 25mAir Canada

Deal found 9/15

$471

Sun 10/192:25 amPOS - DCA

1 stop20h 09mAir Canada

Mon 10/276:50 pmDCA - POS

1 stop29h 20mAir Canada

Deal found 9/14

$481

Tue 11/182:15 amPOS - DCA

2 stops33h 11mAir Canada

Thu 12/48:40 pmDCA - POS

1 stop27h 30mAir Canada

Deal found 9/13

$482

Best flights from Port of Spain to Reagan-National
Discover carefully curated flight deals from Port of Spain to Reagan-National that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2025.

Mon 12/222:20 amPOS - DCA

1 stop11h 04mUnited Airlines

Wed 12/3112:45 pmDCA - POS

1 stop10h 38mUnited Airlines

Deal found 9/13

$407

Thu 10/3012:30 amPOS - DCA

1 stop15h 28mUnited Airlines

Sun 11/27:59 pmDCA - POS

1 stop27h 24mUnited Airlines

Deal found 9/14

$407

Tue 11/181:30 amPOS - DCA

1 stop23h 14mUnited Airlines

Wed 12/32:54 pmDCA - POS

1 stop32h 29mUnited Airlines

Deal found 9/15

$407

Tue 12/231:30 amPOS - DCA

1 stop10h 59mUnited Airlines

Wed 12/316:00 amDCA - POS

1 stop17h 23mUnited Airlines

Deal found 9/13

$407

Sat 12/201:30 amPOS - DCA

1 stop23h 19mUnited Airlines

Sun 1/47:59 pmDCA - POS

1 stop27h 24mUnited Airlines

Deal found 9/12

$407

Mon 12/221:30 amPOS - DCA

1 stop20h 16mUnited Airlines

Sat 1/106:00 amDCA - POS

1 stop17h 23mUnited Airlines

Deal found 9/14

$410

Mon 12/81:30 amPOS - DCA

1 stop13h 22mUnited Airlines

Tue 1/612:40 pmDCA - POS

1 stop10h 43mUnited Airlines

Deal found 9/13

$410

Tue 11/181:30 amPOS - DCA

1 stop15h 28mUnited Airlines

Thu 12/48:15 amDCA - POS

1 stop15h 08mUnited Airlines

Deal found 9/13

$410

Thu 10/1612:30 amPOS - DCA

1 stop15h 32mUnited Airlines

Sat 11/18:15 amDCA - POS

1 stop16h 10mUnited Airlines

Deal found 9/14

$410

Tue 11/251:30 amPOS - DCA

1 stop13h 19mUnited Airlines

Tue 12/96:00 amDCA - POS

1 stop17h 23mUnited Airlines

Deal found 9/13

$410

Thu 10/2312:30 amPOS - DCA

1 stop18h 11mUnited Airlines

Sat 11/228:15 amDCA - POS

1 stop15h 08mUnited Airlines

Deal found 9/14

$410

Last-minute flights from Port of Spain to Reagan-National
Discover last-minute flight deals from Port of Spain to Reagan-National. Data last updated September 15, 2025 and is based on user searches.

Sat 9/2712:30 amPOS - DCA

1 stop11h 04mUnited Airlines

Wed 10/112:55 pmDCA - POS

1 stop10h 28mUnited Airlines

Deal found 9/15

$443

Sun 9/282:25 amPOS - DCA

2 stops31h 55mAir Canada

Thu 12/46:00 amDCA - POS

2 stops18h 10mAir Canada

Deal found 9/13

$482

Mon 9/2912:30 amPOS - DCA

2 stops22h 13mUnited Airlines

Thu 11/1312:50 pmDCA - POS

1 stop10h 33mUnited Airlines

Deal found 9/13

$424

Mon 9/292:25 amPOS - DCA

2 stops13h 26mAir Canada

Thu 11/136:00 amDCA - POS

2 stops18h 10mAir Canada

Deal found 9/13

$452

Tue 9/3012:30 amPOS - DCA

2 stops22h 13mUnited Airlines

Wed 10/156:00 amDCA - POS

1 stop17h 23mUnited Airlines

Deal found 9/14

$426

Sun 10/512:30 amPOS - DCA

1 stop20h 21mUnited Airlines

Sat 10/1112:55 pmDCA - POS

1 stop10h 28mUnited Airlines

Deal found 9/15

$441

Sun 10/52:25 amPOS - DCA

1 stop15h 39mAir Canada

Mon 10/1312:55 pmDCA - POS

2 stops12h 25mAir Canada

Deal found 9/15

$471

Mon 10/62:25 amPOS - DCA

1 stop15h 39mAir Canada

Sun 10/1212:55 pmDCA - POS

2 stops12h 25mAir Canada

Deal found 9/15

$470

Thu 10/1612:30 amPOS - DCA

1 stop15h 32mUnited Airlines

Sat 11/16:00 amDCA - POS

1 stop18h 25mUnited Airlines

Deal found 9/15

$410

Sun 10/192:25 amPOS - DCA

1 stop20h 09mAir Canada

Mon 10/276:50 pmDCA - POS

1 stop29h 20mAir Canada

Deal found 9/14

$481

Wed 10/2212:30 amPOS - DCA

1 stop20h 21mUnited Airlines

Mon 10/277:59 pmDCA - POS

1 stop27h 24mUnited Airlines

Deal found 9/14

$407

Thu 10/301:15 amPOS - DCA

2 stops44h 41mAir Canada

Sun 11/25:00 amDCA - POS

2 stops18h 10mAir Canada

Deal found 9/14

$459

One-way flights from Port of Spain to Reagan-National
Search for one-way flight options from Port of Spain to Reagan-National. Find affordable one-way fares based on user searches. Data last updated September 15, 2025.

Sun 11/22:15 amPOS - DCA

2 stops20h 41mAir Canada

Deal found 9/14

$254

Sun 11/162:15 amPOS - DCA

2 stops14h 16mAir Canada

Deal found 9/13

$259

Mon 11/171:30 amPOS - DCA

1 stop15h 28mUnited Airlines

Deal found 9/13

$268

Wed 11/191:30 amPOS - DCA

1 stop18h 12mUnited Airlines

Deal found 9/13

$269

Sun 11/164:30 pmPOS - DCA

1 stop8h 54mAmerican Airlines

Deal found 9/12

$274

Tue 11/42:15 amPOS - DCA

2 stops14h 16mAir Canada

Deal found 9/13

$310

Thu 10/304:15 pmPOS - DCA

1 stop22h 35mJetBlue

Deal found 9/14

$314

Tue 11/182:15 amPOS - DCA

1 stop21h 20mAir Canada

Deal found 9/14

$316

Mon 11/35:12 pmPOS - DCA

2 stops19h 33mJetBlue

Deal found 9/14

$319

Mon 11/177:19 amPOS - DCA

1 stop18h 05mAmerican Airlines

Deal found 9/14

$330

Sun 11/237:19 amPOS - DCA

2 stops17h 25mAmerican Airlines

Deal found 9/14

$341

Cheapflights Fare Finder

Use the filters below to find and compare flights from Port of Spain to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Mon 12/22

2:20 am-12:24 pm

1 stop11h 04m

Washington, D.C. Reagan-National

Wed 12/31

12:45 pm-12:23 am

1 stop10h 38m

$407

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Thu 10/30

12:30 am-3:58 pm

1 stop15h 28m

Washington, D.C. Reagan-National

Sun 11/2

7:59 pm-12:23 am

1 stop27h 24m

$407

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Tue 11/18

1:30 am-11:44 pm

1 stop23h 14m

Washington, D.C. Reagan-National

Wed 12/3

2:54 pm-12:23 am

1 stop32h 29m

$407

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Tue 12/23

1:30 am-11:29 am

1 stop10h 59m

Washington, D.C. Reagan-National

Wed 12/31

6:00 am-12:23 am

1 stop17h 23m

$407

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Sat 12/20

1:30 am-11:49 pm

1 stop23h 19m

Washington, D.C. Reagan-National

Sun 1/4

7:59 pm-12:23 am

1 stop27h 24m

$407

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Mon 12/22

1:30 am-8:46 pm

1 stop20h 16m

Washington, D.C. Reagan-National

Sat 1/10

6:00 am-12:23 am

1 stop17h 23m

$410

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Mon 12/8

1:30 am-1:52 pm

1 stop13h 22m

Washington, D.C. Reagan-National

Tue 1/6

12:40 pm-12:23 am

1 stop10h 43m

$410

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Tue 11/18

1:30 am-3:58 pm

1 stop15h 28m

Washington, D.C. Reagan-National

Thu 12/4

8:15 am-12:23 am

1 stop15h 08m

$410

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Thu 10/16

12:30 am-4:02 pm

1 stop15h 32m

Washington, D.C. Reagan-National

Sat 11/1

8:15 am-12:25 am

1 stop16h 10m

$410

Port of SpainWashington, D.C.

POS - DCA

POSDCA

Port of Spain Piarco Intl

Tue 11/25

1:30 am-1:49 pm

1 stop13h 19m

Washington, D.C. Reagan-National

Tue 12/9

6:00 am-12:23 am

1 stop17h 23m

$410

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 18 results

Best time to book a flight from Port of Spain to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Port of Spain with our price prediction graph.

Estimated round-trip price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Port of Spain to Washington, D.C. Reagan-National Airport

How far ahead should I book a flight from Port of Spain to Washington, D.C. Reagan-National Airport?

The price you pay for your flight from Port of Spain to Washington, D.C. Reagan-National Airport may vary depending on when you book. For the best chance of a lower fare, look to book 34 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Port of Spain to Washington, D.C. Reagan-National Airport?

Currently, February is the cheapest month in which you can book a flight from Port of Spain to Washington, D.C. Reagan-National Airport (average of $278). Flying from Port of Spain to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from POS to DCA?

It’s typically best to fly out from Port of Spain to Washington, D.C. Reagan-National Airport in the evening. Doing so could potentially save you 28% on the flight price compared to flying in the morning, which is usually more expensive.

Reviews of airlines servicing Reagan-National

Get a feel of what it's like to fly with United Airlines and American Airlines from Port of Spain to Washington, D.C. Reagan-National Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,929 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

United Airlines

7.4

Good

8,929 reviews

United Airlines

7.4

Good

8,929 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

American Airlines

7.2

Good

10,000 reviews

United Airlines

7.4

Good

8,929 reviews

Reviews

1 / 20

10.0

Excellent

Anonymous,Sep 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

What airport do you fly from for flights from Port of Spain to Washington, D.C. Reagan-National?
Located just 12.6 mi from the city center, Port of Spain Piarco Intl is the airport most travelers will use when flying to Washington, D.C. Reagan-National from Port of Spain. Booking flights from Piarco Intl (POS) to Washington, D.C. Reagan-National should be relatively easy as there are 0 daily outbound flights to Washington, D.C. Reagan-National from 2 different airlines.
How long is the flight from Port of Spain to Washington, D.C. Reagan-National Airport?
For as low as $407, United Airlines can have you in Washington, D.C. Reagan-National Airport from Port of Spain in 11h 04m. Airlines will cover a distance of 2178 mi.
What are the cheapest airlines flying from Port of Spain to Washington, D.C. Reagan-National Airport round-trip?
United Airlines, at $385, was found to be the cheapest airline from Port of Spain to Washington, D.C. Reagan-National Airport. An alternate airline flying to your destination would be American Airlines. United Airlines is priced at 31% lower than the current average price of a flight leaving 3 months from now.
Can I find deals for flights from Port of Spain to Reagan-National that include hotel bookings?
Yes. In addition to deals on Port of Spain to Reagan-National flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Port of Spain to Reagan-National?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Port of Spain to Reagan-National.
Can I find deals for business class flights from Port of Spain to Reagan-National?
Yes. Cheapflights offers flight deals from Port of Spain to Reagan-National by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Port of Spain to Washington, D.C. Reagan-National Airport?
Currently, February is the cheapest month in which you can book a flight from Port of Spain to Washington, D.C. Reagan-National Airport (average of $278). Flying from Port of Spain to Washington, D.C. Reagan-National Airport in March is currently the most expensive (average of $335). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alexandria

Arlington

Tysons

Silver Spring

Springfield

Gaithersburg

Fredericksburg

Linthicum Heights

Fairfax

Falls Church

Owings Mills

Manassas

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Oxon Hill

Laurel

Towson

Dundalk

National Harbor

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Top 2 airlines flying from Port of Spain to Reagan-National

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$385	Average$537	FlexibilityNo cancel fee	On-time69%
American Airlines	Cheapest$398	Average$658	FlexibilityNo cancel fee	On-time71%

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$254+ Cheap flights from Port of Spain (POS) to Reagan-National (DCA)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/2. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Port of Spain to Reagan-National with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Port of Spain Piarco Intl to Washington, D.C. Reagan-National are usually found in January or June, booked 34 days in advance, depart on a Thursday or Tuesday and return on a Saturday

Cheap flight deals from Port of Spain to Reagan-National

Round-trip from

One-way from

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Cheapest in

Average price

Find flight deals from Port of Spain to Reagan-National

Cheapest flights from Port of Spain to Reagan-NationalExplore the most affordable flight options available from Port of Spain to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Explore the most affordable flight options available from Port of Spain to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Port of Spain to Washington, D.C. Reagan-National Airport that are best for you.

Best time to book a flight from Port of Spain to Reagan-National

Have a flexible travel schedule? Discover the best time to fly to Reagan-National from Port of Spain with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Port of Spain to Washington, D.C. Reagan-National Airport

How far ahead should I book a flight from Port of Spain to Washington, D.C. Reagan-National Airport?

What is the cheapest month to book a flight from Port of Spain to Washington, D.C. Reagan-National Airport?

What is the cheapest time of day to fly from POS to DCA?

Reviews of airlines servicing Reagan-National

Get a feel of what it's like to fly with United Airlines and American Airlines from Port of Spain to Washington, D.C. Reagan-National Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

Find useful and relevant information for your journey from Port of Spain to Reagan-National. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airport do you fly from for flights from Port of Spain to Washington, D.C. Reagan-National?

How long is the flight from Port of Spain to Washington, D.C. Reagan-National Airport?

What are the cheapest airlines flying from Port of Spain to Washington, D.C. Reagan-National Airport round-trip?

Can I find deals for flights from Port of Spain to Reagan-National that include hotel bookings?

How can I find direct flights from Port of Spain to Reagan-National?

Can I find deals for business class flights from Port of Spain to Reagan-National?

What is the cheapest month to book a flight from Port of Spain to Washington, D.C. Reagan-National Airport?

Traveling to a place near Washington, D.C. Reagan-National Airport?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Port of Spain to Reagan-National

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Port of Spain to Reagan-National

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Cheapest flights from Port of Spain to Reagan-National
Explore the most affordable flight options available from Port of Spain to Reagan-National. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.