$76+ Cheap flights from Philadelphia (PHL) 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from Philadelphia 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 Philadelphia to San Juan
Discover tips and strategies to find the most affordable flight options for your journey from Philadelphia (PHL) 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 15, 2026.
Round-trip from | $141 (Cheapflightsfares) |
|---|---|
One-way from | $76 (Cheapflightsfares) |
Popular in | December |
Cheapest in | October |
Average price | $251 |
Find flight deals from Philadelphia to San Juan
Cheapest flights from Philadelphia to San JuanExplore the most affordable flight options available from Philadelphia to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.
Explore the most affordable flight options available from Philadelphia to San Juan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 15, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 1/13. 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 Expedia deal was found by Cheapflights users on 1/13. 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 Expedia 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 1/13. 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 Expedia deal was found by Cheapflights users on 1/13. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This CheapOair deal was found by Cheapflights users on 1/12. 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.
This Expedia deal was found by Cheapflights users on 1/12. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 1/14. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Orbitz deal was found by Cheapflights users on 1/13. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Expedia deal was found by Cheapflights users on 1/13. 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 Expedia 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 1/13. 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 Cheapflightsfares deal was found by Cheapflights users on 1/13. 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.
Cheapflights Fare Finder
Use the filters below to find and compare flights from Philadelphia to San Juan that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Sun 1/18
6:00 am-3:35 pm
1 stop8h 35m
San Juan Luis Munoz Marin Intl
Sat 1/24
2:59 am-6:11 am
Nonstop4h 12m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Sat 1/24
8:40 am-6:05 pm
1 stop8h 25m
San Juan Luis Munoz Marin Intl
Fri 1/30
5:25 pm-11:09 pm
1 stop6h 44m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Mon 1/26
8:40 am-6:05 pm
1 stop8h 25m
San Juan Luis Munoz Marin Intl
Fri 1/30
5:25 pm-11:09 pm
1 stop6h 44m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Tue 2/10
1:50 pm-12:35 am
2 stops9h 45m
San Juan Luis Munoz Marin Intl
Sat 2/14
6:05 am-5:00 pm
2 stops11h 55m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Mon 3/9
9:55 am-9:22 pm
2 stops11h 27m
San Juan Luis Munoz Marin Intl
Wed 3/18
3:52 pm-12:16 am
1 stop8h 24m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Wed 3/25
12:10 pm-8:00 pm
1 stop7h 50m
San Juan Luis Munoz Marin Intl
Wed 4/1
1:00 am-9:50 am
2 stops8h 50m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Mon 3/23
12:15 pm-11:36 pm
2 stops11h 21m
San Juan Luis Munoz Marin Intl
Wed 3/25
1:05 am-2:24 pm
2 stops13h 19m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Sat 2/28
12:10 pm-12:40 am
2 stops11h 30m
San Juan Luis Munoz Marin Intl
Wed 3/4
5:40 am-5:05 pm
2 stops12h 25m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Sun 2/8
6:10 am-7:05 pm
2 stops11h 55m
San Juan Luis Munoz Marin Intl
Wed 2/18
6:10 am-5:05 pm
2 stops11h 55m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Sat 2/7
10:10 am-10:22 pm
2 stops11h 12m
San Juan Luis Munoz Marin Intl
Sat 2/14
7:40 am-9:09 pm
2 stops14h 29m
Best time to book a flight from Philadelphia to San Juan
Have a flexible travel schedule? Discover the best time to fly to San Juan from Philadelphia with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from Philadelphia to San Juan
How far ahead should I book a flight from Philadelphia to San Juan?
Use this chart to determine the optimal time to book a round-trip flight from Philadelphia to San Juan. Price data was last updated on January 9, 2026.
Booking 13 days in advance of your planned departure date is, on average, the best time to get cheap flights from Philadelphia to San Juan. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
What is the cheapest month to book a flight from Philadelphia to San Juan?
Currently, March is the cheapest month in which you can book a flight from Philadelphia to San Juan (average of $62). Flying from Philadelphia to San Juan in August is currently the most expensive (average of $138). 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 PHL to SJU?
Find hourly flight availability from Philadelphia 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 15, 2026.
It’s typically best to fly out from Philadelphia to San Juan in the evening. Doing so could potentially save you 10% on the flight price compared to flying in the morning, which is usually more expensive.
What is the cheapest day to fly from Philadelphia to San Juan?
Use this chart to determine the cheapest time to fly round-trip from Philadelphia to San Juan. Price data was last updated on January 10, 2026.
Travelers seeking maximum savings on their Philadelphia to San Juan flight should consider departing on Monday at noon when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from Philadelphia to San Juan
Explore weekly flight availability from Philadelphia 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 15, 2026.
The most flights from PHL to PR1 are scheduled on a Thursday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).
How much does it cost to fly round-trip from Philadelphia to San Juan?
How often are flights from Philadelphia to San Juan delayed?
About 28% of weekly flights between Philadelphia and San Juan have experienced delays in the past year, with the average delay time being 146 minutes.
What is the most punctual flight time for Philadelphia to San Juan flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the evening 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 Monday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Philadelphia to San Juan flights?
Over the last year, Spirit Airlines have had the lowest number of delays on this route, with just 23% 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 15, 2026.
Read through reviews of airlines operating flights from Philadelphia to San Juan, such as Delta, American Airlines, and JetBlue. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Boarding
Comfort
Entertainment
Crew
Overall
Food
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Comfort
Entertainment
Crew
Overall
Food
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Comfort
Entertainment
Crew
Overall
Food
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Comfort
Entertainment
Crew
Overall
Food
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Comfort
Entertainment
Crew
Overall
Food
Reviews
Jim,Nov 2025
AVL - ATL
Boarding
Comfort
Entertainment
Crew
Overall
Food
Reviews
Jim,Nov 2025
AVL - ATL
Related info for your journey
Find useful and relevant information for your journey from Philadelphia 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 Philadelphia to San Juan
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Philadelphia to San Juan
Discover the top 7 airlines that operate flights from Philadelphia 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 15, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$82 | Average$153 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$127 | Average$270 | FlexibilityNo cancel fee | On-time65% | |
| Cheapest$137 | Average$299 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$174 | Average$332 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$207 | Average$448 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$215 | Average$345 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$248 | Average$480 | FlexibilityNo cancel fee | On-time71% |