Cheap flight from Philadelphia to San Juan from $198
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Flights from Philadelphia to San Juan
Find cheap airlines flights from Philadelphia to San Juan
Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.
Cheap flight deals from Philadelphia to San Juan
We've found these cheap flights for you. You can book one-way or round-trip flight tickets.
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Round-trip
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One way
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Cheapest nonstop
PHL 8:05 PM3h 54mNonstopSJU 11:59 PMPhiladelphia - San Juan | Tue, Jul 8 | Frontier Airlines
SJU 12:59 AM4h 1mNonstopPHL 5:00 AMSan Juan - Philadelphia | Sat, Jul 12 | Frontier Airlines$198 $25623% OFF23% OFF$256 $198 -
PHL 8:05 PM3h 54mNonstopSJU 11:59 PMPhiladelphia - San Juan | Mon, Jul 7 | Frontier Airlines
SJU 12:59 AM4h 1mNonstopPHL 5:00 AMSan Juan - Philadelphia | Thu, Jul 10 | Frontier Airlines$201 $25621% OFF21% OFF$256 $201
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PHL 6:20 AM12h 59m1 stopsSJU 7:19 PMPhiladelphia - San Juan | Tue, Jul 8 | Spirit Airlines
SJU 3:50 PM7h 40m1 stopsPHL 11:30 PMSan Juan - Philadelphia | Wed, Jul 9 | Spirit Airlines$156 $25639% OFF39% OFF$256 $156 -
PHL 3:58 PM8h 29m1 stopsSJU 12:27 AMPhiladelphia - San Juan | Sat, Jul 5 | Frontier Airlines
SJU 3:50 PM7h 40m1 stopsPHL 11:30 PMSan Juan - Philadelphia | Wed, Jul 9 | Spirit Airlines$15838% OFF$256 $158
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PHL 8:05 PM3h 54mNonstopSJU 11:59 PMPhiladelphia - San Juan | Tue, Jul 8 | Frontier Airlines
SJU 3:50 PM7h 40m1 stopsPHL 11:30 PMSan Juan - Philadelphia | Wed, Jul 9 | Spirit Airlines$15938% OFF$256 $159
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PHL 6:00 AM3h 43mNonstopSJU 9:43 AMPhiladelphia - San Juan | Sat, Jul 5 | Spirit Airlines
SJU 3:50 PM7h 40m1 stopsPHL 11:30 PMSan Juan - Philadelphia | Wed, Jul 9 | Spirit Airlines$17332% OFF$256 $173
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TTN 5:15 PM9h 24m1 stopsSJU 2:39 AMPhiladelphia - San Juan | Tue, Jul 15 | Frontier Airlines
SJU 1:43 PM19h 46m1 stopsPHL 9:29 AMSan Juan - Philadelphia | Wed, Jul 16 | Frontier Airlines$18128% OFF$256 $181
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TTN 5:17 PM7h 11m1 stopsSJU 12:28 AMPhiladelphia - San Juan | Fri, Jul 4 | Frontier Airlines
SJU 3:13 PM9h 22m1 stopsPHL 12:35 AMSan Juan - Philadelphia | Fri, Jul 11 | Frontier Airlines$18528% OFF$256 $185
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TTN 5:15 PM7h 17m1 stopsSJU 12:32 AMPhiladelphia - San Juan | Fri, Jul 11 | Frontier Airlines
SJU 1:43 PM19h 46m1 stopsPHL 9:29 AMSan Juan - Philadelphia | Wed, Jul 16 | Frontier Airlines$18727% OFF$256 $187
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PHL 6:42 PM7h 57m1 stopsSJU 2:39 AMPhiladelphia - San Juan | Mon, Jul 14 | Frontier Airlines
SJU 1:43 PM19h 46m1 stopsPHL 9:29 AMSan Juan - Philadelphia | Wed, Jul 16 | Frontier Airlines$18727% OFF$256 $187
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PHL 10:29 AM29h 38m1 stopsSJU 4:07 PMPhiladelphia - San Juan | Sun, Jul 6 | Frontier Airlines
SJU 5:15 PM7h 31m1 stopsPHL 12:46 AMSan Juan - Philadelphia | Thu, Jul 10 | Frontier Airlines$19125% OFF$256 $191
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PHL 11:49 AM12h 57m1 stopsSJU 12:46 AMPhiladelphia - San Juan | Mon, Jul 7 | Frontier Airlines
SJU 3:19 PM9h 16m1 stopsPHL 12:35 AMSan Juan - Philadelphia | Thu, Jul 10 | Frontier Airlines$2358% OFF$256 $235
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PHL 1:00 PM17h 25m1 stopsSJU Invalid DatePhiladelphia - San Juan | Thu, Jun 19 | Normal Airline
SJU 3:00 PM6hNonstopPHL 4:00 PMSan Juan - Philadelphia | Sat, Jun 21 | Normal AirlineFind More FlightsFind More Flights
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Cheapest nonstop
PHL 8:05 PM3h 54mNonstopSJU 11:59 PMPhiladelphia - San Juan | Tue, Jul 22 | Frontier Airlines$101 $13124% OFF24% OFF$131 $101
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PHL 8:05 PM3h 54mNonstopSJU 11:59 PMPhiladelphia - San Juan | Mon, Aug 4 | Frontier Airlines$101 $13123% OFF23% OFF$131 $101
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TTN 5:33 PM15h 31m1 stopsSJU 9:04 AMPhiladelphia - San Juan | Sat, Jul 12 | Frontier Airlines$84 $13136% OFF36% OFF$131 $84
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PHL 11:49 AM12h 57m1 stopsSJU 12:46 AMPhiladelphia - San Juan | Mon, Jul 14 | Frontier Airlines$9131% OFF$131 $91
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TTN 5:15 PM9h 24m1 stopsSJU 2:39 AMPhiladelphia - San Juan | Fri, Jul 11 | Frontier Airlines$9230% OFF$131 $92
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PHL 7:20 AM16h 50m1 stopsSJU 12:10 AMPhiladelphia - San Juan | Sun, Jul 13 | Frontier Airlines$9230% OFF$131 $92
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PHL 5:30 PM9h 9m1 stopsSJU 2:39 AMPhiladelphia - San Juan | Wed, Jul 16 | Frontier Airlines$9230% OFF$131 $92
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PHL 7:20 AM12h 42m1 stopsSJU 8:02 PMPhiladelphia - San Juan | Tue, Jul 15 | Frontier Airlines$9328% OFF$131 $93
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PHL 11:49 AM12h 57m1 stopsSJU 12:46 AMPhiladelphia - San Juan | Sat, Jul 5 | Frontier Airlines$9328% OFF$131 $93
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TTN 5:15 PM9h 24m1 stopsSJU 2:39 AMPhiladelphia - San Juan | Mon, Jul 7 | Frontier Airlines$9428% OFF$131 $94
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TTN 5:17 PM7h 11m1 stopsSJU 12:28 AMPhiladelphia - San Juan | Thu, Jun 26 | Frontier Airlines$9528% OFF$131 $95
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PHL 11:49 AM12h 51m1 stopsSJU 12:40 AMPhiladelphia - San Juan | Fri, Jul 4 | Frontier Airlines$1218% OFF$131 $121
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PHL 1:00 PM17h 25m1 stopsSJU Invalid DatePhiladelphia - San Juan | Thu, Jun 19 | Normal AirlineFind More FlightsFind More Flights
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Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.
Flight Info | Philadelphia to San Juan
| Cheapest one-way flight price | $83 |
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| Cheapest round-trip ticket price | $158 |
| Off-season for travel | April |
| Peak season for travel | June |
| Flight distance | 2,542.65 km |
| Average flight time | 4 hours |
| Popular airline | Frontier Airlines |
When is the cheapest time to fly from Philadelphia to San Juan?
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Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Frequently Asked Questions
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When are flight tickets from Philadelphia (PHL) to San Juan (SJU) the cheapest?
Airlines adjust prices for flights from Philadelphia to San Juan based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays. -
How much do flights from Philadelphia (PHL) to San Juan (SJU) cost?
According to Trip.com's data, the lowest price is around $364. -
How long does it take to fly from Philadelphia (PHL) to San Juan (SJU) and what is the distance?
It takes around 4 hours to fly from Philadelphia (PHL) to San Juan (SJU). -
What are the most popular airlines that fly from Philadelphia (PHL) to San Juan (SJU)?
Airlines with flights from Philadelphia (PHL) to San Juan (SJU): Frontier Airlines, Spirit Airlines, British Airways, Qatar Airways and American Airlines.
How to find a cheap flight from Philadelphia to San Juan
Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Philadelphia to San Juan. Book your flights at the right time and save more.
Be flexible with your travel dates to get the cheapest Philadelphia to San Juan ticket.
Tap "Date" in the flight search bar to browse the calendar and find airfare from Philadelphia to San Juan for the next six months in 2025. If you're looking to fly within the next three months, the lowest fare is $101 for a one-way ticket on Tue, Jul 22.
Compare cheap Philadelphia to San Juan flight deals from hundreds of airlines.
Our powerful search system compares prices from over 500 airlines. So you can find the cheapest flights from Philadelphia to San Juan. The most affordable airline currently operating on this route is Frontier Airlines.
Set up a Price Alert to track fare drops.
Set up a Price Alert for your Philadelphia to San Juan route to track ticket prices effortlessly—no need to check manually every day.
Don't miss out on cheap Philadelphia to San Juan flight deals and promo codes.
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Book early or wait unitl the last minute to fine the best fares.
It's always better to book early! Airlines typically release their lowest fares about a year before departure, so check as soon as flights become available. If you miss that window, you may still find great deals closer to your travel date.
Search for flights on the go.
For the best booking experience on the go, download Trip.com and search for cheap flights from Philadelphia to San Juan to access exclusive deals just for you.
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