$69+ Cheap flights from Philadelphia (PHL) to San Juan
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — SJU
Dec 10 — Dec 171
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
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 Philadelphia to San Juan are usually found in October or January, booked 59 days in advance, depart on a Monday or Sunday 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 November 10, 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 November 10, 2026.
This Cheapflightsfares deal was found by Cheapflights users on 11/8. 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.
Mon 11/97:07 pm -
Nonstop3h 57m
Sun 11/1512:59 am -
Nonstop4h 12m
Deal found 11/8![Frontier logo]()
$145
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
Mon 11/96:00 am -
Nonstop3h 55m
Tue 11/177:23 am -
1 stop18h 12m
Deal found 11/5![Frontier logo]()
$146
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 11/106:00 am -
Nonstop3h 55m
Sat 11/143:55 pm -
1 stop8h 11m
Deal found 11/5![Frontier logo]()
$147
This Priceline deal was found by Cheapflights users on 11/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:07 pm -
Nonstop3h 57m
Thu 11/197:00 am -
1 stop18h 35m
Deal found 11/5![Frontier logo]()
$148
This eDestinos deal was found by Cheapflights users on 11/7. 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 11/279:18 pm -
Nonstop3h 48m
Thu 12/1011:48 am -
1 stop10h 03m
Deal found 11/7![Frontier logo]()
$149
This Cheapflightsfares deal was found by Cheapflights users on 11/7. 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.
Fri 11/137:07 pm -
Nonstop3h 57m
Sun 11/1512:59 am -
Nonstop4h 12m
Deal found 11/7![Frontier logo]()
$150
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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.
Wed 11/116:00 am -
Nonstop3h 55m
Mon 11/163:55 am -
1 stop21h 40m
Deal found 11/6![Frontier logo]()
$151
This Frontier deal was found by Cheapflights users on 11/8. 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 11/107:35 am -
1 stop9h 46m
Tue 11/103:55 am -
1 stop6h 35m
Deal found 11/8![Frontier logo]()
$153
This Super.com deal was found by Cheapflights users on 11/5. 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.
Mon 12/76:30 am -
Nonstop3h 55m
Thu 12/105:16 pm -
Nonstop4h 14m
Deal found 11/5![Frontier logo]()
$155
This Cheapflightsfares deal was found by Cheapflights users on 11/9. 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.
Sat 12/510:09 am -
1 stop14h 49m
Thu 12/1011:48 am -
1 stop14h 04m
Deal found 11/9![Frontier logo]()
$156
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/138:33 pm -
Nonstop3h 46m
Wed 12/164:04 pm -
1 stop9h 48m
Deal found 11/9![Frontier logo]()
$157
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 November 10, 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 November 10, 2026.
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/179:45 am -
1 stop10h 15m
Tue 11/172:05 am -
2 stops13h 12m
Deal found 11/5![United Airlines logo]()
$231
This JetBlue deal was found by Cheapflights users on 11/5. 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.
Fri 11/1311:37 am -
Nonstop3h 52m
Fri 11/277:30 am -
Nonstop4h 00m
Deal found 11/5![JetBlue logo]()
$426
This Southwest deal was found by Cheapflights users on 11/5. 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.
Fri 1/2911:55 am -
2 stops10h 40m
Mon 2/12:30 pm -
1 stop8h 50m
Deal found 11/5![Southwest logo]()
$455
This United Airlines deal was found by Cheapflights users on 11/5. 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 11/146:15 am -
2 stops14h 09m
Tue 11/172:05 am -
2 stops13h 12m
Deal found 11/5![United Airlines logo]()
$236
This United Airlines deal was found by Cheapflights users on 11/9. 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.
Mon 11/169:45 am -
1 stop10h 15m
Tue 11/177:40 am -
2 stops14h 58m
Deal found 11/9![United Airlines logo]()
$251
This United Airlines deal was found by Cheapflights users on 11/6. 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.
Wed 1/206:15 am -
2 stops14h 09m
Wed 1/278:05 am -
1 stop7h 09m
Deal found 11/6![United Airlines logo]()
$256
This United Airlines deal was found by Cheapflights users on 11/5. 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.
Wed 1/206:24 am -
2 stops14h 00m
Tue 1/268:05 am -
1 stop7h 09m
Deal found 11/5![United Airlines logo]()
$315
This United Airlines deal was found by Cheapflights users on 11/6. 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 1/199:55 am -
2 stops13h 41m
Tue 1/267:40 am -
2 stops15h 00m
Deal found 11/6![United Airlines logo]()
$355
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/139:45 am -
2 stops11h 37m
Tue 11/172:05 am -
2 stops13h 12m
Deal found 11/9![United Airlines logo]()
$370
This United Airlines deal was found by Cheapflights users on 11/8. 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.
Wed 1/69:55 am -
2 stops13h 41m
Thu 1/142:05 am -
2 stops13h 14m
Deal found 11/8![United Airlines logo]()
$426
This United Airlines deal was found by Cheapflights users on 11/6. 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 1/236:17 am -
2 stops15h 05m
Sat 1/302:05 am -
2 stops13h 14m
Deal found 11/6![United Airlines logo]()
$438
This United Airlines deal was found by Cheapflights users on 11/9. 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 11/286:00 am -
1 stop6h 15m
Tue 12/12:05 am -
2 stops12h 50m
Deal found 11/9![United Airlines logo]()
$452
Last-minute flights from Philadelphia to San JuanDiscover last-minute flight deals from Philadelphia to San Juan. Data last updated November 10, 2026 and is based on user searches.
Discover last-minute flight deals from Philadelphia to San Juan. Data last updated November 10, 2026 and is based on user searches.
This Cheapflightsfares deal was found by Cheapflights users on 11/8. 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.
Mon 11/97:07 pm -
Nonstop3h 57m
Sun 11/1512:59 am -
Nonstop4h 12m
Deal found 11/8![Frontier logo]()
$145
This Cheapflightsfares deal was found by Cheapflights users on 11/5. 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.
Mon 11/96:00 am -
Nonstop3h 55m
Tue 11/177:23 am -
1 stop18h 12m
Deal found 11/5![Frontier logo]()
$146
This Priceline deal was found by Cheapflights users on 11/5. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:07 pm -
Nonstop3h 57m
Thu 11/197:00 am -
1 stop18h 35m
Deal found 11/5![Frontier logo]()
$148
This Kiwi.com deal was found by Cheapflights users on 11/5. 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 11/106:00 am -
Nonstop3h 55m
Sat 11/143:55 pm -
1 stop8h 11m
Deal found 11/5![Frontier logo]()
$147
This Frontier deal was found by Cheapflights users on 11/8. 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 11/107:35 am -
1 stop9h 46m
Tue 11/103:55 am -
1 stop6h 35m
Deal found 11/8![Frontier logo]()
$153
This Cheapflightsfares deal was found by Cheapflights users on 11/6. 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.
Wed 11/116:00 am -
Nonstop3h 55m
Mon 11/163:55 am -
1 stop21h 40m
Deal found 11/6![Frontier logo]()
$151
This Cheapflightsfares deal was found by Cheapflights users on 11/7. 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.
Fri 11/137:07 pm -
Nonstop3h 57m
Sun 11/1512:59 am -
Nonstop4h 12m
Deal found 11/7![Frontier logo]()
$150
This eDestinos deal was found by Cheapflights users on 11/7. 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 11/279:18 pm -
Nonstop3h 48m
Thu 12/1011:48 am -
1 stop10h 03m
Deal found 11/7![Frontier logo]()
$149
This Cheapflightsfares deal was found by Cheapflights users on 11/9. 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.
Sat 12/510:09 am -
1 stop14h 49m
Thu 12/1011:48 am -
1 stop14h 04m
Deal found 11/9![Frontier logo]()
$156
This Super.com deal was found by Cheapflights users on 11/5. 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.
Mon 12/76:30 am -
Nonstop3h 55m
Thu 12/105:16 pm -
Nonstop4h 14m
Deal found 11/5![Frontier logo]()
$155
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 12/138:33 pm -
Nonstop3h 46m
Wed 12/164:04 pm -
1 stop9h 48m
Deal found 11/9![Frontier logo]()
$157
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 November 10, 2026.
Search for one-way flight options from Philadelphia to San Juan. Find affordable one-way fares based on user searches. Data last updated November 10, 2026.
This Priceline deal was found by Cheapflights users on 11/6. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/611:42 am -
Nonstop3h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/6![Frontier logo]()
$69
This eDestinos deal was found by Cheapflights users on 11/9. 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.
Thu 11/264:50 pm -
1 stop5h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$74
This Kiwi.com deal was found by Cheapflights users on 11/8. 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 12/138:33 pm -
Nonstop3h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Frontier logo]()
$75
This Kiwi.com deal was found by Cheapflights users on 11/10. 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 11/239:18 pm -
Nonstop3h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/10![Frontier logo]()
$76
This Super.com deal was found by Cheapflights users on 11/9. 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.
Tue 11/177:35 am -
1 stop9h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$78
This Frontier deal was found by Cheapflights users on 11/7. 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.
Wed 12/97:00 am -
1 stop12h 37m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/7![Frontier logo]()
$79
This Kiwi.com deal was found by Cheapflights users on 11/9. 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 11/137:07 pm -
Nonstop3h 57m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$80
This Super.com deal was found by Cheapflights users on 11/8. 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.
Sun 11/1510:30 am -
Nonstop3h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/8![Frontier logo]()
$81
This CheapOair deal was found by Cheapflights users on 11/9. 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.
Sat 11/146:00 am -
Nonstop3h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/9![Frontier logo]()
$82
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 November 10, 2026.
Round-trip from | $146 (Cheapflightsfares) |
|---|---|
One-way from | $69 (Priceline) |
Popular in | December |
Cheapest in | October |
Average price | $309 |
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 7,457,451 searches. Data last updated November 10, 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 Philadelphia - SJU San Juan Luis Munoz Marin Intl
PHLSJU
Philadelphia
Tue 1/12
8:00 am-5:25 pm
1 stop8h 25m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$88
PhiladelphiaSan Juan
PHL Philadelphia - SJU San Juan Luis Munoz Marin Intl
PHLSJU
Philadelphia
Tue 11/17
2:12 pm-11:15 pm
1 stop8h 03m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$88
PhiladelphiaSan Juan
PHL Philadelphia - SJU San Juan Luis Munoz Marin Intl
PHLSJU
Philadelphia
Tue 11/17
1:55 pm-9:55 pm
1 stop7h 00m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$113
PhiladelphiaSan Juan
PHL Philadelphia - SJU San Juan Luis Munoz Marin Intl
PHLSJU
Philadelphia
Tue 12/8
6:00 am-9:24 pm
2 stops14h 24m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$118
PhiladelphiaSan Juan
PHL Philadelphia - SJU San Juan Luis Munoz Marin Intl
PHLSJU
Philadelphia
Tue 11/17
10:54 am-10:22 pm
2 stops10h 28m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$118
Quickest round-trip
PhiladelphiaSan Juan
PHL Philadelphia - SJU San Juan Luis Munoz Marin Intl
PHLSJU
Philadelphia
Fri 1/1
12:23 pm-5:15 pm
Nonstop3h 52m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$124
PhiladelphiaSan Juan
PHL Philadelphia - SJU San Juan Luis Munoz Marin Intl
PHLSJU
Philadelphia
Mon 11/16
9:45 am-12:36 am
2 stops13h 51m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
PhiladelphiaSan Juan
PHL Philadelphia - SJU San Juan Luis Munoz Marin Intl
PHLSJU
Philadelphia
Thu 1/14
9:55 am-12:36 am
2 stops13h 41m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
PhiladelphiaSan Juan
PHL Philadelphia - SJU San Juan Luis Munoz Marin Intl
PHLSJU
Philadelphia
Wed 12/9
9:45 am-12:36 am
2 stops13h 51m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$128
PhiladelphiaSan Juan
PHL Philadelphia - SJU San Juan Luis Munoz Marin Intl
PHLSJU
Philadelphia
Tue 12/1
5:42 pm-1:59 am
1 stop7h 17m
San Juan Luis Munoz Marin Intl
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$133
Showing 1-10 of 23 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 $230). Flying from Philadelphia to San Juan in December is currently the most expensive (average of $415). 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 November 10, 2026.
It’s typically best to fly out from Philadelphia to San Juan at noon. Doing so could potentially save you 25% 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 November 10, 2026.
The most flights from PHL to PR1 are scheduled on a Monday (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (5 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 $209 and $405 in November.The cheapest round-trip price found within the last 5 days was $146 on Frontier (Nov 16-Nov 21).
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 145 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?
Wednesday 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 23% 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 November 7, 2026.
Travelers seeking maximum savings on their Philadelphia to San Juan flight should consider departing on Friday at noon when fares are most often at their lowest. Wednesday 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 November 10, 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.
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Comfort
7.8
Crew
8.5
Overall
7.8
Food
7.2
Entertainment
7.8
Boarding
8.1
Reviews
1 / 20
6.0
GoodEllen,Oct 2026
GRR - ATL
Related info for your journey
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Top 4 airlines flying from Philadelphia to San Juan
Discover the top 4 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 7,457,451 searches. Data last updated November 10, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$138 | Average$364 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$211 | Average$373 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$250 | Average$548 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$284 | Average$494 | FlexibilityNo cancel fee | On-time71% |