$90+ Cheap flights from Reagan-National (DCA) to San Juan
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 11/18. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Reagan-National to San Juan with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from Washington, D.C. Reagan-National to San Juan 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 San Juan
Cheapest flights from Reagan-National to San JuanExplore the most affordable flight options available from Reagan-National to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 20, 2025.
Explore the most affordable flight options available from Reagan-National to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octubre 20, 2025.
This Trip.com deal was found by Cheapflights users on 10/19. 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.
This SmartFares deal was found by Cheapflights users on 10/18. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Trip.com deal was found by Cheapflights users on 10/19. 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.
This American Airlines deal was found by Cheapflights users on 10/19. 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.
This JetBlue deal was found by Cheapflights users on 10/19. 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.
This Delta deal was found by Cheapflights users on 10/19. 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.
This American Airlines deal was found by Cheapflights users on 10/19. 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.
This JetBlue deal was found by Cheapflights users on 10/17. 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.
This JetBlue deal was found by Cheapflights users on 10/17. 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.
This Trip.com deal was found by Cheapflights users on 10/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Frontier deal was found by Cheapflights users on 10/19. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Cheap flight deals from Reagan-National to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Reagan-National (DCA) to San Juan (PR1). 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 octubre 20, 2025.
Round-trip from | $199 (Trip.com) |
|---|---|
One-way from | $90 (Trip.com) |
Popular in | December |
Cheapest in | October |
Average price | $331 |
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
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
dom. 10/26
8:00 am-11:51 am
Nonstop3h 51m
San Juan Luis Munoz Marin Intl
mié. 10/29
6:02 pm-9:59 pm
Nonstop3h 57m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
mié. 10/29
8:00 am-11:51 am
Nonstop3h 51m
San Juan Luis Munoz Marin Intl
mié. 11/12
8:05 am-2:36 pm
1 stop7h 31m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
mié. 11/19
4:55 pm-12:58 am
1 stop7h 03m
San Juan Luis Munoz Marin Intl
vie. 11/28
3:14 am-9:04 am
1 stop6h 50m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
mié. 11/19
4:55 pm-12:58 am
1 stop7h 03m
San Juan Luis Munoz Marin Intl
mié. 12/3
11:34 am-6:55 pm
1 stop8h 21m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
lun. 1/12
8:15 am-9:26 pm
1 stop12h 11m
San Juan Luis Munoz Marin Intl
jue. 1/15
2:05 am-8:32 am
1 stop7h 27m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
mié. 10/29
8:00 am-11:51 am
Nonstop3h 51m
San Juan Luis Munoz Marin Intl
mié. 11/5
12:30 pm-6:59 pm
1 stop7h 29m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
mié. 10/29
8:00 am-11:51 am
Nonstop3h 51m
San Juan Luis Munoz Marin Intl
sáb. 11/1
6:02 pm-9:59 pm
Nonstop3h 57m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
jue. 12/11
1:00 pm-9:30 pm
1 stop7h 30m
San Juan Luis Munoz Marin Intl
lun. 12/15
5:45 am-4:00 pm
2 stops11h 15m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
dom. 1/11
3:30 pm-11:56 pm
1 stop7h 26m
San Juan Luis Munoz Marin Intl
jue. 1/15
1:00 pm-7:18 pm
1 stop7h 18m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
lun. 11/10
3:00 pm-12:35 am
2 stops8h 35m
San Juan Luis Munoz Marin Intl
mar. 11/18
3:55 pm-10:50 pm
1 stop7h 55m
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.
Cheapflights Insights
Everything you need to know about your flight from Washington, D.C. Reagan-National Airport to San Juan
How far ahead should I book a flight from Washington, D.C. Reagan-National Airport to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from Reagan-National to San Juan. Price data was last updated on October 17, 2025.
The best time to book flights from Washington, D.C. Reagan-National Airport to San Juan 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?
Currently, August is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Juan (average of $196). Flying from Washington, D.C. Reagan-National Airport to San Juan 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 San Juan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octubre 20, 2025.
When flying from Washington, D.C. Reagan-National Airport to San Juan, 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 54% versus a flight in the morning.
What is the cheapest day to fly from Washington, D.C. Reagan-National Airport to San Juan?
Use this chart to determine the cheapest time to fly round-trip from Reagan-National to San Juan. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their Washington, D.C. Reagan-National Airport to San Juan flight should consider departing on Thursday afternoons 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
Explore weekly flight availability from Reagan-National to San Juan. 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 octubre 20, 2025.
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).
Reviews of airlines servicing San Juan
Get insights into the airlines that provide service to San Juan. 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 San Juan. Reviews last updated octubre 20, 2025.
See what other customers who have flown with Southwest, Delta, and United Airlines 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.
Overall
Food
Boarding
Entertainment
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Food
Boarding
Entertainment
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Food
Boarding
Entertainment
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Food
Boarding
Entertainment
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Food
Boarding
Entertainment
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Overall
Food
Boarding
Entertainment
Crew
Comfort
Reviews
Mike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from Reagan-National to San Juan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Reagan-National to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Reagan-National to San Juan
Discover the top 7 airlines that operate flights from Reagan-National to San Juan. 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 octubre 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$348 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$123 | Average$281 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$220 | Average$430 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$220 | Average$424 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$225 | Average$379 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$240 | Average$421 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$248 | Average$393 | FlexibilityNo cancel fee | On-time71% |