$89+ 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJU
Sep 3 — Sep 101
Round-trip
1 adult, Economy
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Find cheap flights from Philadelphia 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
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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.Cheapflights Tip: The best prices from Philadelphia to San Juan are usually found in October or January, booked 59 days in advance, depart on a Monday or Tuesday and return on a Friday
Cheap flight deals from Philadelphia to San Juan
Cheapest
Best
Last-minute
One-way
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 August 4, 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 August 4, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/106:00 pm -
1 stop29h 58m
Sun 9/136:55 pm -
Nonstop4h 01m
Deal found 8/3![Frontier logo]()
$191
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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.
Tue 9/110:59 pm -
Nonstop4h 00m
Sun 9/66:44 am -
Nonstop4h 04m
Deal found 8/3![Frontier logo]()
$192
This Frontier deal was found by Cheapflights users on 8/3. 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.
Sun 11/87:47 pm -
Nonstop4h 03m
Fri 11/137:15 am -
Nonstop4h 03m
Deal found 8/3![Frontier logo]()
$193
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:59 pm -
Nonstop4h 00m
Wed 8/265:37 pm -
1 stop7h 39m
Deal found 8/3![Frontier logo]()
$194
This FlightHub deal was found by Cheapflights users on 8/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:59 pm -
Nonstop4h 00m
Sun 9/136:55 pm -
Nonstop4h 01m
Deal found 8/4![Frontier logo]()
$196
This Frontier deal was found by Cheapflights users on 7/30. 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.
Thu 9/101:50 pm -
Nonstop3h 58m
Mon 9/146:55 pm -
Nonstop4h 01m
Deal found 7/30![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/27:20 am -
Nonstop3h 44m
Fri 11/62:59 am -
Nonstop4h 05m
Deal found 7/30![Frontier logo]()
$198
This Super.com deal was found by Cheapflights users on 8/1. 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.
Wed 10/76:24 am -
Nonstop3h 49m
Sun 10/116:15 am -
Nonstop4h 03m
Deal found 8/1![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:58 pm -
1 stop11h 00m
Sat 9/1212:59 am -
Nonstop3h 48m
Deal found 7/30![Frontier logo]()
$201
This Kiwi.com deal was found by Cheapflights users on 7/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/26:24 am -
Nonstop3h 49m
Mon 10/54:39 pm -
1 stop7h 51m
Deal found 7/31![Frontier logo]()
$202
Best flights from Philadelphia to San JuanDiscover carefully curated flight deals from Philadelphia to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
Discover carefully curated flight deals from Philadelphia to San Juan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 4, 2026.
This Delta deal was found by Cheapflights users on 8/3. 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.
Thu 9/106:30 am -
1 stop10h 19m
Thu 9/175:59 pm -
1 stop6h 41m
Deal found 8/3![Delta logo]()
$292
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Sun 9/206:25 am -
1 stop8h 19m
Fri 10/24:55 pm -
1 stop6h 35m
Deal found 8/4![United Airlines logo]()
$310
This Southwest deal was found by Cheapflights users on 8/2. 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.
Wed 9/237:15 am -
2 stops10h 55m
Sun 9/275:00 am -
1 stop6h 05m
Deal found 8/2![Southwest logo]()
$321
This United Airlines deal was found by Cheapflights users on 8/1. 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.
Sat 9/58:20 am -
2 stops12h 18m
Wed 9/91:00 am -
2 stops8h 43m
Deal found 8/1![United Airlines logo]()
$328
This Southwest deal was found by Cheapflights users on 8/4. 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.
Tue 9/1510:45 am -
2 stops11h 20m
Sun 9/209:25 pm -
1 stop12h 15m
Deal found 8/4![Southwest logo]()
$360
This United Airlines deal was found by Cheapflights users on 8/4. 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.
Tue 9/156:25 am -
1 stop8h 19m
Mon 9/281:00 am -
2 stops8h 42m
Deal found 8/4![United Airlines logo]()
$346
This United Airlines deal was found by Cheapflights users on 7/31. 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.
Sat 8/228:20 am -
2 stops12h 18m
Tue 8/251:00 am -
2 stops13h 40m
Deal found 7/31![United Airlines logo]()
$358
This Southwest deal was found by Cheapflights users on 8/3. 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.
Thu 10/11:55 pm -
2 stops10h 25m
Mon 10/55:00 am -
2 stops11h 25m
Deal found 8/3![Southwest logo]()
$397
This Southwest deal was found by Cheapflights users on 8/2. 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.
Tue 9/110:45 am -
2 stops11h 15m
Tue 9/88:20 am -
1 stop9h 15m
Deal found 8/2![Southwest logo]()
$401
This United Airlines deal was found by Cheapflights users on 8/2. 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.
Fri 8/75:00 pm -
2 stops12h 29m
Sat 9/51:00 am -
2 stops11h 23m
Deal found 8/2![United Airlines logo]()
$389
This Southwest deal was found by Cheapflights users on 7/30. 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.
Thu 9/312:45 pm -
2 stops9h 30m
Tue 9/155:15 am -
2 stops10h 45m
Deal found 7/30![Southwest logo]()
$414
This Southwest deal was found by Cheapflights users on 8/1. 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.
Thu 8/2012:45 pm -
2 stops10h 20m
Tue 8/256:00 am -
2 stops11h 35m
Deal found 8/1![Southwest logo]()
$414
Last-minute flights from Philadelphia to San JuanDiscover last-minute flight deals from Philadelphia to San Juan. Data last updated August 4, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Juan. Data last updated August 4, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1810:59 pm -
Nonstop4h 00m
Tue 9/15:37 pm -
1 stop7h 39m
Deal found 8/2![Frontier logo]()
$200
This Kiwi.com deal was found by Cheapflights users on 8/3. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1910:59 pm -
Nonstop4h 00m
Wed 8/265:37 pm -
1 stop7h 39m
Deal found 8/3![Frontier logo]()
$194
This Frontier deal was found by Cheapflights users on 8/3. 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.
Tue 8/255:30 am -
Nonstop3h 49m
Sat 8/296:44 am -
Nonstop4h 04m
Deal found 8/3![Frontier logo]()
$193
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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.
Tue 9/110:59 pm -
Nonstop4h 00m
Sun 9/66:44 am -
Nonstop4h 04m
Deal found 8/3![Frontier logo]()
$192
This FlightHub deal was found by Cheapflights users on 8/4. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/410:59 pm -
Nonstop4h 00m
Sun 9/136:55 pm -
Nonstop4h 01m
Deal found 8/4![Frontier logo]()
$196
This Cheapflightsfares deal was found by Cheapflights users on 8/3. 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.
Thu 9/106:24 am -
Nonstop3h 49m
Sat 9/1212:59 am -
Nonstop3h 48m
Deal found 8/3![Frontier logo]()
$191
This Frontier deal was found by Cheapflights users on 7/30. 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.
Thu 9/101:50 pm -
Nonstop3h 58m
Mon 9/146:55 pm -
Nonstop4h 01m
Deal found 7/30![Frontier logo]()
$197
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1112:58 pm -
1 stop11h 00m
Sat 9/1212:59 am -
Nonstop3h 48m
Deal found 7/30![Frontier logo]()
$201
One-way flights from Philadelphia to San JuanSearch for one-way flight options from Philadelphia to San Juan. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
Search for one-way flight options from Philadelphia to San Juan. Find affordable one-way fares based on user searches. Data last updated August 4, 2026.
This Super.com deal was found by Cheapflights users on 7/30. 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.
Fri 10/167:47 pm -
Nonstop4h 03m
Deal found 7/30![Frontier logo]()
$89
This Frontier deal was found by Cheapflights users on 7/30. 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.
Fri 10/28:02 pm -
Nonstop3h 59m
Deal found 7/30![Frontier logo]()
$90
This Kiwi.com deal was found by Cheapflights users on 8/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/47:30 am -
1 stop27h 23m
Deal found 8/2![Frontier logo]()
$93
This eDestinos deal was found by Cheapflights users on 8/2. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/2110:59 pm -
Nonstop4h 00m
Deal found 8/2![Frontier logo]()
$95
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/2610:59 pm -
Nonstop4h 00m
Deal found 7/30![Frontier logo]()
$97
This Kiwi.com deal was found by Cheapflights users on 8/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/277:30 am -
1 stop18h 43m
Deal found 8/1![Frontier logo]()
$98
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/14:42 pm -
1 stop9h 31m
Deal found 7/30![Frontier logo]()
$104
This Kiwi.com deal was found by Cheapflights users on 7/30. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/1010:59 pm -
Nonstop4h 00m
Deal found 7/30![Frontier logo]()
$108
This eDestinos deal was found by Cheapflights users on 8/1. 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 eDestinos is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1210:59 pm -
Nonstop4h 00m
Deal found 8/1![Frontier logo]()
$109
Find 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 August 4, 2026.
Round-trip from | $191 (Cheapflightsfares) |
|---|---|
One-way from | $89 (Super.com) |
Popular in | December |
Cheapest in | October |
Average price | $304 |
Cheapflights Fare Finder
Customize your flight search to find flights from Philadelphia to San Juan 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 August 4, 2026.
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
Cheapest round-trip
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Thu 9/10
6:30 am-4:49 pm
1 stop10h 19m
San Juan Luis Munoz Marin Intl
Thu 9/17
5:59 pm-12:40 am
1 stop6h 41m
$292
Quickest round-trip
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Sun 9/20
6:25 am-2:44 pm
1 stop8h 19m
San Juan Luis Munoz Marin Intl
Fri 10/2
4:55 pm-11:30 pm
1 stop6h 35m
$310
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Wed 9/23
7:15 am-6:10 pm
2 stops10h 55m
San Juan Luis Munoz Marin Intl
Sun 9/27
5:00 am-11:05 am
1 stop6h 05m
$321
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Sat 9/5
8:20 am-8:38 pm
2 stops12h 18m
San Juan Luis Munoz Marin Intl
Wed 9/9
1:00 am-9:43 am
2 stops8h 43m
$328
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Tue 9/15
6:25 am-2:44 pm
1 stop8h 19m
San Juan Luis Munoz Marin Intl
Mon 9/28
1:00 am-9:42 am
2 stops8h 42m
$346
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Sat 8/22
8:20 am-8:38 pm
2 stops12h 18m
San Juan Luis Munoz Marin Intl
Tue 8/25
1:00 am-2:40 pm
2 stops13h 40m
$358
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Tue 9/15
10:45 am-10:05 pm
2 stops11h 20m
San Juan Luis Munoz Marin Intl
Sun 9/20
9:25 pm-9:40 am
1 stop12h 15m
$360
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Fri 8/7
5:00 pm-5:29 am
2 stops12h 29m
San Juan Luis Munoz Marin Intl
Sat 9/5
1:00 am-12:23 pm
2 stops11h 23m
$389
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Thu 10/1
1:55 pm-12:20 am
2 stops10h 25m
San Juan Luis Munoz Marin Intl
Mon 10/5
5:00 am-4:25 pm
2 stops11h 25m
$397
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Tue 9/1
10:45 am-10:00 pm
2 stops11h 15m
San Juan Luis Munoz Marin Intl
Tue 9/8
8:20 am-5:35 pm
1 stop9h 15m
$401
Showing 1-10 of 20 resultsSorted by cheapest first
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.
PHL-PR1
PHL-SJU
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 Philadelphia to San Juan
PHL-PR1
PHL-SJU
What is the cheapest month to book a flight from Philadelphia to San Juan?
Currently, October is the cheapest month in which you can book a flight from Philadelphia to San Juan (average of $244). Flying from Philadelphia to San Juan in December is currently the most expensive (average of $426). 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 August 4, 2026.
It’s typically best to fly out from Philadelphia to San Juan at noon. Doing so could potentially save you 29% on the flight price compared to flying in the afternoon, which is usually more expensive.
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 August 4, 2026.
The most flights from PHL to PR1 are scheduled on a Monday (8 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Philadelphia to San Juan?
Airfare is below average for this route at the moment.
Philadelphia to San Juan flights typically cost between $246 and $383 in September.The cheapest round-trip price found within the last 5 days was $191 on Frontier (Sep 10-Sep 12).
How often are flights from Philadelphia to San Juan delayed?
About 29% of weekly flights between Philadelphia and San Juan have experienced delays in the past year, with the average delay time being 147 minutes.
What is the most punctual flight time for Philadelphia to San Juan flights?
Historically, flights departing at night 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, American Airlines have had the lowest number of delays on this route, with just 25% of flights being delayed.
How far ahead should I book a flight from Philadelphia to San Juan?
Booking 58 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 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 August 1, 2026.
Travelers seeking maximum savings on their Philadelphia to San Juan flight should consider departing on Sunday at noon when fares are most often at their lowest. Friday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.
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 August 4, 2026.
Read through reviews of airlines operating flights from Philadelphia to San Juan, such as Delta,JetBlue, andAmerican Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Entertainment
7.8
Comfort
7.8
Food
7.2
Crew
8.5
Boarding
8.1
Overall
7.8
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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Top 4 airlines flying from Philadelphia to San Juan
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$143 | Average$365 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$217 | Average$381 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$219 | Average$428 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$298 | Average$495 | FlexibilityNo cancel fee | On-time71% |