San Juan

$133+ Cheap flights from Reagan-National (DCA) to San Juan

DCA — SJU
Dec 10 — Dec 171
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Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to San Juan are usually found in October or February, booked 16 days in advance, depart on a Tuesday or Monday and return on a Friday

Cheap flight deals from Reagan-National to San Juan

Cheapest flights from Reagan-National to San Juan

Tue 12/812:00 pm -
1 stop8h 36m
Tue 12/155:01 am -
1 stop7h 05m
Deal found 11/10$246
Mon 12/712:00 pm -
1 stop8h 36m
Fri 12/112:04 pm -
1 stop7h 52m
Deal found 11/8$252
Wed 12/912:01 pm -
1 stop7h 44m
Tue 12/155:01 am -
1 stop7h 05m
Deal found 11/9$253
Mon 12/712:00 pm -
1 stop8h 36m
Sat 12/191:56 pm -
1 stop9h 21m
Deal found 11/7$254
Wed 12/93:10 pm -
1 stop6h 34m
Wed 12/165:01 am -
1 stop7h 05m
Deal found 11/9$256
Mon 12/712:00 pm -
1 stop8h 36m
Thu 12/105:01 am -
1 stop7h 05m
Deal found 11/9$262
Sat 12/53:10 pm -
1 stop6h 34m
Wed 12/95:01 am -
1 stop7h 05m
Deal found 11/9$264

Find flight deals from Reagan-National to San Juan

Round-trip from

$248
(Super.com)

One-way from

$133
(JetBlue)

Popular in

June

Cheapest in

October

Average price

$414
From Washington, D.C. Reagan-National to San Juan
One-way flight from Washington, D.C. Reagan-National to San Juan
Highest demand for flights based on searches. 9% potential increase in price ($47 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($9 potential savings vs. average RT price).
Average for round-trip flights in November 2026

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.San Juan

DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl

DCASJU

Washington, D.C. Reagan-National

Wed 11/18

7:00 am-2:33 pm

1 stop6h 33m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$144
Quickest round-trip

Washington, D.C.San Juan

DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl

DCASJU

Washington, D.C. Reagan-National

Mon 2/15

8:00 am-12:46 pm

Nonstop3h 46m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$199

Washington, D.C.San Juan

DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl

DCASJU

Washington, D.C. Reagan-National

Thu 12/10

10:54 am-9:24 pm

1 stop9h 30m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$203

Washington, D.C.San Juan

DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl

DCASJU

Washington, D.C. Reagan-National

Sun 11/22

4:05 pm-12:36 am

1 stop7h 31m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$205

Washington, D.C.San Juan

DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl

DCASJU

Washington, D.C. Reagan-National

Fri 12/11

3:25 pm-11:35 pm

1 stop7h 10m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$207

Washington, D.C.San Juan

DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl

DCASJU

Washington, D.C. Reagan-National

Sun 11/15

6:00 am-5:00 pm

2 stops10h 00m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$212

Washington, D.C.San Juan

DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl

DCASJU

Washington, D.C. Reagan-National

Mon 1/4

10:30 am-12:36 am

2 stops13h 06m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$229

Washington, D.C.San Juan

DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl

DCASJU

Washington, D.C. Reagan-National

Mon 12/21

4:05 pm-12:36 am

1 stop7h 31m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$235

Washington, D.C.San Juan

DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl

DCASJU

Washington, D.C. Reagan-National

Mon 12/14

6:10 am-5:00 pm

2 stops9h 50m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$238

Washington, D.C.San Juan

DCA Washington, D.C. Reagan-National - SJU San Juan Luis Munoz Marin Intl

DCASJU

Washington, D.C. Reagan-National

Thu 11/19

9:30 am-9:00 pm

1 stop10h 30m

San Juan Luis Munoz Marin Intl

Wed 12/31

12:00 am-11:00 pm

Nonstop0h 00m

$244

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from Reagan-National to San Juan

Have a flexible travel schedule? Discover the best time to fly to San Juan from Reagan-National with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to San Juan

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

Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Juan (average of $368). Flying from Washington, D.C. Reagan-National Airport to San Juan in June is currently the most expensive (average of $532). 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?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Washington, D.C. Reagan-National Airport to San Juan as you normally would.

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

The most flights from DCA to PR1 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?

Airfare is below average for this route at the moment.
Washington, D.C. Reagan-National Airport to San Juan flights typically cost between $344 and $507 in December.
The cheapest round-trip price found within the last 5 days was $248 on JetBlue (Dec 8-Dec 15).

How often are flights from Washington, D.C. to San Juan delayed?

About 24% of weekly flights between Washington, D.C. and San Juan have experienced delays in the past year, with the average delay time being 150 minutes.

What is the most punctual flight time for Washington, D.C. to San Juan flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the morning tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Washington, D.C. to San Juan flights?

Over the last year, JetBlue have had the lowest number of delays on this route, with just 24% of flights being delayed.

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

The best time to book flights from Washington, D.C. Reagan-National Airport to San Juan is 15 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.

Reviews of airlines servicing San Juan

See what other customers who have flown with Southwest,United Airlines, andJetBlue from Washington, D.C. Reagan-National Airport to San Juan have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Entertainment

7.4

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.4

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.4

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.4

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.4

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Entertainment

7.4

Boarding

8.1

Crew

8.6

Overall

8.0

Comfort

8.0

Food

7.0

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

  • How long is the flight from Washington, D.C. Reagan-National Airport to San Juan?

    Departing from Washington, D.C. Reagan-National Airport to San Juan will take you 3h 46m. 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 round-trip?

    Frontier, at $103, was found to be the cheapest airline from Washington, D.C. Reagan-National Airport to San Juan.Alternate airlines to your destination round-trip include Delta and United Airlines. Users have found that Frontier is 76% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $120. JetBlue flights start at $121 while deals on United Airlines start at $126 one-way.

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

    While on average a flight from Washington, D.C. Reagan-National Airport to San Juan is generally $333, our data shows the cheapest flight currently is $141. When looking at the most popular route, (Washington, D.C. Reagan-National - San Juan Luis Munoz Marin Intl), you can expect to pay $234 for that flight.

  • Can I find deals for flights from Reagan-National to San Juan that include hotel bookings?

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

  • How can I find direct flights from Reagan-National to San Juan?

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

  • Can I find deals for business class flights from Reagan-National to San Juan?

    Yes. Cheapflights offers flight deals from Reagan-National to San Juan 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?

    Currently, October is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Juan (average of $368). Flying from Washington, D.C. Reagan-National Airport to San Juan in June is currently the most expensive (average of $532). 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

Browse thousands of different options on Cheapflights for your next trip

Top 6 airlines flying from Reagan-National to San Juan

AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$103Average$381FlexibilityNo cancel feeOn-time62%
DeltaCheapest$142Average$576FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$230Average$406FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$258Average$471FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$275Average$373FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$301Average$407FlexibilityNo cancel feeOn-time63%

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