$120+ 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 5/19. 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
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap 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 January 29, 2026.
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 January 29, 2026.
This United Airlines deal was found by Cheapflights users on 1/27. 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 United Airlines 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 1/28. 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 JetBlue deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares deal was found by Cheapflights users on 1/29. 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 Cheapflightsfares 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 1/28. 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 Super.com deal was found by Cheapflights users on 1/27. 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 Super.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Cheapflightsfares deal was found by Cheapflights users on 1/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/27. 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 United 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 1/27. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This United Airlines deal was found by Cheapflights users on 1/28. 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.
Find 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 January 29, 2026.
Round-trip from | $246 (Cheapflightsfares) |
|---|---|
One-way from | $120 (SmartFares) |
Popular in | August |
Cheapest in | October |
Average price | $392 |
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
Mon 2/23
6:00 am-4:50 pm
1 stop9h 50m
San Juan Luis Munoz Marin Intl
Wed 3/4
7:00 am-4:27 pm
1 stop10h 27m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
Sun 4/26
7:00 am-1:45 pm
1 stop6h 45m
San Juan Luis Munoz Marin Intl
Wed 4/29
1:00 am-2:14 pm
2 stops13h 14m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
Sun 2/8
7:00 am-5:17 pm
1 stop9h 17m
San Juan Luis Munoz Marin Intl
Fri 2/13
3:55 pm-10:33 pm
1 stop7h 38m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
Wed 7/22
7:50 pm-5:30 am
1 stop9h 40m
San Juan Luis Munoz Marin Intl
Tue 7/28
1:05 am-9:19 am
1 stop8h 14m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
Wed 5/6
6:00 am-1:45 pm
1 stop7h 45m
San Juan Luis Munoz Marin Intl
Tue 5/12
1:00 am-9:30 am
1 stop8h 30m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
Wed 3/25
6:14 am-4:17 pm
1 stop10h 03m
San Juan Luis Munoz Marin Intl
Tue 3/31
7:00 am-5:00 pm
1 stop10h 00m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
Mon 3/2
12:00 pm-12:36 am
2 stops11h 36m
San Juan Luis Munoz Marin Intl
Thu 3/5
8:30 am-3:32 pm
1 stop8h 02m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
Sun 2/15
9:00 am-9:12 pm
1 stop11h 12m
San Juan Luis Munoz Marin Intl
Wed 2/18
6:15 am-5:00 pm
1 stop11h 45m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
Sun 2/22
6:00 pm-6:11 am
2 stops11h 11m
San Juan Luis Munoz Marin Intl
Thu 2/26
2:05 am-8:29 am
1 stop7h 24m
Washington, D.C.San Juan
DCA - SJU
DCASJU
Washington, D.C. Reagan-National
Mon 2/9
12:00 pm-9:00 pm
1 stop8h 00m
San Juan Luis Munoz Marin Intl
Tue 2/10
2:05 am-9:38 am
1 stop8h 33m
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 January 23, 2026.
The best time to book flights from Washington, D.C. Reagan-National Airport to San Juan is 81 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, March is the cheapest month in which you can book a flight from Washington, D.C. Reagan-National Airport to San Juan (average of $143). Flying from Washington, D.C. Reagan-National Airport to San Juan in April is currently the most expensive (average of $265). 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 January 29, 2026.
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
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 January 29, 2026.
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 often are flights from Washington, D.C. to San Juan delayed?
About 16% of weekly flights between Washington, D.C. and San Juan have experienced delays in the past year, with the average delay time being 137 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?
Tuesday tends to have the lowest number of delays on this route, whereas Saturday 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 16% of flights being delayed.
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 January 29, 2026.
See what other customers who have flown with Southwest, Delta, and American 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.
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
Crew
Boarding
Comfort
Entertainment
Food
Overall
Reviews
Thomas,Dec 2025
SEA - DEN
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 January 29, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$85 | Average$359 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$103 | Average$269 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$142 | Average$327 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$220 | Average$435 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$225 | Average$415 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$241 | Average$326 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$250 | Average$430 | FlexibilityNo cancel fee | On-time69% |