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Luis Munoz Marin Intl

$103+ 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 10/11. Fares are subject to change and may not be available on all flights or dates of travel.
DCA — SJU
jul. 26 — ago. 21
sáb. 7/26
sáb. 8/2
1 adult, Economy
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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 September, booked 49 days in advance, depart on a Monday or Wednesday and return on a Thursday

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 julio 21, 2025.

Round-trip from

$170
(American Airlines)

One-way from

$103
(American Airlines)

Popular in

December

Cheapest in

October

Average price

$435

Good round-trip deal

$260 or less

Good one-way deal

$133 or less
From Washington, D.C. Reagan-National to San Juan Luis Munoz Marin Intl
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One-way flight from Washington, D.C. Reagan-National to San Juan Luis Munoz Marin Intl
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Highest demand for flights based on searches. 15% potential increase in price ($76 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from Washington, D.C. Reagan-National to San Juan Luis Munoz Marin Intl.
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Price to beat on a one-way flight from Washington, D.C. Reagan-National to San Juan Luis Munoz Marin Intl.
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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 julio 21, 2025.

This American Airlines deal was found by Cheapflights users on 7/18. 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.
sáb. 10/1112:54 pmDCA - SJU
1 stop10h 11mAmerican Airlines
mar. 10/144:45 pmSJU - DCA
1 stop7h 14mAmerican Airlines
Deal found 7/18$170
This Delta deal was found by Cheapflights users on 7/21. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 12/810:00 amDCA - SJU
1 stop6h 15mDelta
mié. 12/101:50 pmSJU - DCA
1 stop9h 26mDelta
Deal found 7/21$215
This Southwest deal was found by Cheapflights users on 7/21. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/157:50 amDCA - SJU
1 stop7h 20mSouthwest
dom. 9/2110:30 pmSJU - DCA
1 stop12h 40mSouthwest
Deal found 7/21$220
This United Airlines deal was found by Cheapflights users on 7/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/267:00 amDCA - SJU
1 stop6h 40mUnited Airlines
lun. 11/32:05 amSJU - DCA
2 stops11h 54mUnited Airlines
Deal found 7/21$235
This JetBlue deal was found by Cheapflights users on 7/20. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/115:45 pmDCA - SJU
1 stop7h 04mJetBlue
sáb. 8/165:40 amSJU - DCA
1 stop7h 18mJetBlue
Deal found 7/20$236

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 julio 21, 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

sáb. 10/11

12:54 pm-11:05 pm

1 stop10h 11m

San Juan Luis Munoz Marin Intl

mar. 10/14

4:45 pm-11:59 pm

1 stop7h 14m

$170

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

vie. 9/26

6:05 am-4:20 pm

1 stop10h 15m

San Juan Luis Munoz Marin Intl

vie. 10/3

1:32 pm-11:41 pm

1 stop10h 09m

$215

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

lun. 9/15

7:50 am-3:10 pm

1 stop7h 20m

San Juan Luis Munoz Marin Intl

dom. 9/21

10:30 pm-11:10 am

1 stop12h 40m

$220

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

mié. 9/17

6:25 am-2:44 pm

1 stop8h 19m

San Juan Luis Munoz Marin Intl

lun. 9/29

1:05 am-12:59 pm

2 stops11h 54m

$235

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

lun. 8/11

5:45 pm-12:49 am

1 stop7h 04m

San Juan Luis Munoz Marin Intl

sáb. 8/16

5:40 am-12:58 pm

1 stop7h 18m

$236

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

sáb. 10/11

12:54 pm-11:05 pm

1 stop10h 11m

$103

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

lun. 9/1

6:05 am-12:18 pm

1 stop6h 13m

$108

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

mar. 8/19

4:00 pm-12:49 am

1 stop8h 49m

$118

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

vie. 7/25

4:45 pm-11:15 pm

1 stop6h 30m

$143

Washington, D.C.San Juan

DCA - SJU

DCASJU

Washington, D.C. Reagan-National

lun. 8/18

5:00 pm-5:30 am

2 stops12h 30m

$149

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

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 July 18, 2025.

The best time to book flights from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport is 49 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, September 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 $254). Flying from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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 julio 21, 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 32% 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 July 13, 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.

Weekly flight availability from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport

Explore weekly flight availability from Reagan-National to Luis Munoz Marin Intl. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated julio 21, 2025.

The most flights from DCA to SJU are scheduled on a Monday (1 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (1 on average).

How much does it cost to fly round-trip from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport?

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 julio 21, 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.
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Southwest
8.0
Very good
4,233 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
Delta
8.0
Very good
7,962 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
United Airlines
7.4
Good
8,867 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
JetBlue
7.3
Good
2,908 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.0
Very good
4,233 reviews

Boarding

8.1

Entertainment

7.6

Overall

8.0

Comfort

8.0

Crew

8.6

Food

7.0

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

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.

  • 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 $170. Other airlines that can offer you cheap pricing are Delta, from $215, and Southwest, from $220. American Airlines is 60% 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 American Airlines ($103), Delta ($108), and JetBlue ($118).

  • 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 $329, our data shows the cheapest flight currently is $83. When looking at the most popular route, (Washington, D.C. Reagan-National - San Juan Luis Munoz Marin Intl), you can expect to pay $155 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, September 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 $254). Flying from Washington, D.C. Reagan-National Airport to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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
Luquillo
Rio Grande
Humacao
Bayamón

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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.
Baltimore to Luis Munoz Marin Intl flights
Dulles Intl to Luis Munoz Marin Intl flights

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 julio 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$83Average$218FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$115Average$305FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$220Average$433FlexibilityNo cancel feeOn-time69%
DeltaCheapest$237Average$388FlexibilityNo cancel feeOn-timeN/A
JetBlueCheapest$250Average$419FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$258Average$425FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$265Average$458FlexibilityNo cancel feeOn-time63%

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