Luis Munoz Marin Intl

$89+ Cheap flights from Reagan-National (DCA) to Luis Munoz Marin Intl (SJU)

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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJU
Nov 26 — Dec 31
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Find cheap flights from Reagan-National to Luis Munoz Marin Intl with Cheapflights

1. Tell us where you want to go

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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to San Juan Luis Munoz Marin Intl are usually found in October or February, booked 50 days in advance, depart on a Monday or Tuesday and return on a Thursday

Find flight deals from Reagan-National to Luis Munoz Marin Intl

Cheapest flights from Reagan-National to Luis Munoz Marin Intl
Explore the most affordable flight options available from Reagan-National to Luis Munoz Marin Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Trip.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/168:00 amDCA - SJU
Nonstop3h 50mJetBlue
Tue 11/256:10 pmSJU - DCA
Nonstop3h 58mJetBlue
Deal found 10/25$197
This Trip.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/88:00 amDCA - SJU
Nonstop3h 51mJetBlue
Wed 12/106:51 pmSJU - DCA
Nonstop3h 57mJetBlue
Deal found 10/27$198
This CheapOair deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/268:00 amDCA - SJU
Nonstop3h 51mJetBlue
Wed 11/266:10 pmSJU - DCA
Nonstop3h 58mJetBlue
Deal found 10/27$211
This American Airlines deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:51 pmDCA - SJU
1 stop6h 01mAmerican Airlines
Thu 11/202:50 pmSJU - DCA
1 stop10h 34mAmerican Airlines
Deal found 10/25$215
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/37:59 amDCA - SJU
1 stop8h 06mAmerican Airlines
Thu 11/64:44 pmSJU - DCA
1 stop6h 31mAmerican Airlines
Deal found 10/24$217
This Trip.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/98:00 amDCA - SJU
Nonstop3h 51mJetBlue
Tue 12/164:26 pmSJU - DCA
1 stop7h 03mJetBlue
Deal found 10/25$222
This American Airlines deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/131:44 pmDCA - SJU
1 stop9h 08mAmerican Airlines
Fri 11/146:25 amSJU - DCA
1 stop10h 31mAmerican Airlines
Deal found 10/24$230

Cheap flight deals from Reagan-National to Luis Munoz Marin Intl

Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to Luis Munoz Marin Intl (SJU). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$197
(Trip.com)

One-way from

$89
(Trip.com)

Popular in

December

Cheapest in

October

Average price

$326

Good round-trip deal

$323 or less

Good one-way deal

$145 or less
Provider with most accurate pricing for Washington, D.C. Reagan-National-San Juan Luis Munoz Marin Intl flight deals.
Provider most trusted by Cheapflights users for Washington, D.C. Reagan-National-San Juan Luis Munoz Marin Intl flights.
From Washington, D.C. Reagan-National to San Juan Luis Munoz Marin Intl
One-way flight from Washington, D.C. Reagan-National to San Juan Luis Munoz Marin Intl
Highest demand for flights based on searches. 10% potential increase in price ($49 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($16 potential savings vs. average RT price).
Average for round-trip flights in October 2025
Price to beat on a round-trip flight from Washington, D.C. Reagan-National to San Juan Luis Munoz Marin Intl.
Price to beat on a one-way flight from Washington, D.C. Reagan-National to San Juan Luis Munoz Marin Intl.

Cheapflights Fare Finder

 
Customize your flight search to find flights from Reagan-National to Luis Munoz Marin Intl 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, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Reagan-National

Fly to

Luis Munoz Marin Intl

Route

Depart

Return

Price

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Wed 12/10

8:00 am-12:51 pm

Nonstop3h 51m

San Juan Luis Munoz Marin Intl

Thu 12/18

6:59 pm-9:56 pm

Nonstop3h 57m

$253

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Tue 12/9

8:00 am-12:51 pm

Nonstop3h 51m

San Juan Luis Munoz Marin Intl

Mon 12/15

6:51 pm-9:48 pm

Nonstop3h 57m

$253

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Wed 12/10

8:00 am-12:51 pm

Nonstop3h 51m

San Juan Luis Munoz Marin Intl

Fri 12/19

5:19 pm-10:31 pm

1 stop6h 12m

$258

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Tue 12/2

6:07 am-5:20 pm

1 stop10h 13m

San Juan Luis Munoz Marin Intl

Tue 12/9

3:32 pm-9:41 pm

1 stop7h 09m

$269

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sun 1/11

8:00 am-12:42 pm

Nonstop3h 42m

San Juan Luis Munoz Marin Intl

Wed 1/21

6:45 pm-9:46 pm

Nonstop4h 01m

$295

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Mon 1/19

12:00 pm-9:00 pm

1 stop8h 00m

San Juan Luis Munoz Marin Intl

Fri 1/23

2:05 am-8:32 am

1 stop7h 27m

$299

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Thu 12/11

8:00 am-12:51 pm

Nonstop3h 51m

San Juan Luis Munoz Marin Intl

Mon 12/15

6:51 pm-9:48 pm

Nonstop3h 57m

$316

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Tue 11/25

8:00 am-12:51 pm

Nonstop3h 51m

San Juan Luis Munoz Marin Intl

Thu 12/4

4:55 pm-10:29 pm

1 stop6h 34m

$320

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Sun 12/7

9:45 am-5:57 pm

1 stop7h 12m

San Juan Luis Munoz Marin Intl

Wed 12/17

11:34 am-6:55 pm

1 stop8h 21m

$324

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

Tue 11/11

6:24 am-3:22 pm

1 stop7h 58m

San Juan Luis Munoz Marin Intl

Sat 11/15

6:51 pm-9:48 pm

Nonstop3h 57m

$336

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 23 results
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Compare providers for flights from Reagan-National to Luis Munoz Marin Intl

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Reagan-National to Luis Munoz Marin Intl in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
Trip.comPrice Accuracy2 starsTrust Score*3 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Reagan-National Airport-San Juan Luis Munoz Marin Intl Airport flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Washington, D.C. Reagan-National Airport-San Juan Luis Munoz Marin Intl Airport flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Washington, D.C. Reagan-National Airport-San Juan Luis Munoz Marin Intl Airport flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Reagan-National Airport-San Juan Luis Munoz Marin Intl Airport flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Reagan-National Airport-San Juan Luis Munoz Marin Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Reagan-National to Luis Munoz Marin Intl

Have a flexible travel schedule? Discover the best time to fly to Luis Munoz Marin Intl from Reagan-National 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 Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport

How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to Luis Munoz Marin Intl. Price data was last updated on October 24, 2025.

The best time to book flights from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport is 50 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport (average of $196). Flying from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport in April is currently the most expensive (average of $264). 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 DCA to SJU?

Find hourly flight availability from Reagan-National to Luis Munoz Marin Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

When flying from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 31% versus a flight in the morning.

What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport?

Use this chart to determine the cheapest time to fly round-trip from Reagan-National to Luis Munoz Marin Intl. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Luis Munoz Marin Intl

Get insights into the airlines that provide service to Luis Munoz Marin Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Luis Munoz Marin Intl. Reviews last updated October 27, 2025.
Get a feel of what it's like to fly with Southwest, Delta, and United Airlines from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Food

7.0

Comfort

8.0

Entertainment

7.5

Overall

8.0

Boarding

8.1

Crew

8.6

Reviews

1 / 20
2.0
Mediocre

Mike,Aug 2025

OKC - AUS

AC was not adequate, even on a night flight. WiFi subpar even for the airlines

Related info for your journey

Find useful and relevant information for your journey from Reagan-National to Luis Munoz Marin Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport?

    Departing from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport will take you 3h 51m. Airlines will cover a distance of 1557 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport round-trip?

    Cheapflights users have booked flights from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport round-trip from $85. Other airlines that can offer you cheap pricing are Spirit Airlines, from $123, and Southwest, from $220. Frontier is 80% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport one-way?

    The cheapest airlines for a one-way flight from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport are Delta ($93), JetBlue ($108), and American Airlines ($128).

  • What are the cheapest flights from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport?

    While on average a flight from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport is generally $316, our data shows the cheapest flight currently is $99. When looking at the most popular route, (Washington, D.C. Reagan-National - San Juan Luis Munoz Marin Intl), you can expect to pay $199 for that flight.

  • Can I find deals for flights from Reagan-National to Luis Munoz Marin Intl that include hotel bookings?

    Yes. In addition to deals on Reagan-National to Luis Munoz Marin Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Reagan-National to Luis Munoz Marin Intl?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Reagan-National to Luis Munoz Marin Intl.

  • Can I find deals for business class flights from Reagan-National to Luis Munoz Marin Intl?

    Yes. Cheapflights offers flight deals from Reagan-National to Luis Munoz Marin Intl 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 Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport (average of $196). Flying from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport in April is currently the most expensive (average of $264). 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

Traveling to a place near San Juan Luis Munoz Marin Intl Airport?

Book flights to San Juan Luis Munoz Marin Intl Airport if you plan to visit one of these locations
Dorado
Fajardo
Rio Grande
Luquillo
Humacao

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Alternative routes for Reagan-National to Luis Munoz Marin Intl

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

Top 7 airlines flying from Reagan-National to Luis Munoz Marin Intl

Discover the top 7 airlines that operate flights from Reagan-National to Luis Munoz Marin Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$85Average$348FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$123Average$281FlexibilityNo cancel feeOn-time65%
SouthwestCheapest$220Average$430FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$220Average$424FlexibilityNo cancel feeOn-time69%
DeltaCheapest$225Average$379FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$240Average$421FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$248Average$393FlexibilityNo cancel feeOn-time71%

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