Flights from Philadelphia to San Juan (Puerto Rico)

Our cheapest offers for flights from Philadelphia to San Juan (Puerto Rico)

Here you can compare cheap flights from Philadelphia (PHL) to San Juan (Puerto Rico) (SJU) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to San Juan (Puerto Rico). Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Best option
Philadelphia
San Juan (Puerto Rico)
Outbound
11/24/25
direct
NK0610
03h 50min
Return
12/07/25
direct
F91015
04h 05min
Spirit Airlines
$303
Philadelphia
San Juan (Puerto Rico)
Outbound
11/24/25
direct
NK0610
03h 50min
Return
12/07/25
direct
F91015
04h 05min
Spirit Airlines
$308
Philadelphia
San Juan (Puerto Rico)
Outbound
11/24/25
direct
NK0610
03h 50min
Return
12/07/25
direct
F91015
04h 05min
Spirit Airlines ?
$309
Philadelphia
San Juan (Puerto Rico)
Outbound
12/01/25
direct
F94462
03h 47min
Return
12/07/25
direct
F91015
04h 05min
Frontier Airlines
$337
Philadelphia
San Juan (Puerto Rico)
Outbound
12/01/25
direct
F94462
03h 47min
Return
12/07/25
direct
NK1776
04h 10min
Frontier Airlines ?
$359
Philadelphia
San Juan (Puerto Rico)
Outbound
12/23/25
direct
F94462
03h 47min
Return
12/29/25
direct
F91015
04h 05min
Frontier Airlines
$569
Philadelphia
San Juan (Puerto Rico)
Outbound
12/23/25
direct
F94462
03h 47min
Return
12/29/25
1 Stopover (MSP)
SY0762, SY1775
18h 55min
Frontier Airlines ?
$593
Philadelphia
San Juan (Puerto Rico)
Outbound
12/22/25
direct
F94462
03h 47min
Return
12/29/25
direct
F91015
04h 05min
Frontier Airlines
$629
Philadelphia
San Juan (Puerto Rico)
Outbound
12/22/25
direct
F94462
03h 47min
Return
12/29/25
1 Stopover (MSP)
SY0762, SY1775
18h 55min
Frontier Airlines ?
$653
Philadelphia
San Juan (Puerto Rico)
Outbound
11/24/25
2 Stopovers (BOS, CLT)
AA1198, AA2776, AA2098
12h 22min
Return
12/07/25
1 Stopover (MIA)
AA2560, AA1577
07h 52min
American Airlines ?
$935
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Philadelphia to San Juan (Puerto Rico)

Favorite airline: Frontier Airlines
The majority of passengers on the route Philadelphia – San Juan (Puerto Rico) prefer to fly with Frontier Airlines.
Frontier Airlines
47 %
American Airlines
21 %
Spirit Airlines
21 %
Direct flights are cheaper
Compared to direct flights, flights with a stopover on this route are on average 47 % more expensive.
non stop flight
1 stop
04h 05min
10h 14min
238 $
452 $
The favorite connection is non-stop
Non-stop flights are especially popular on this route. 79 % of travelers will book a direct flight.
Route
bookings
Direct flights
04h 05min, from 238 $
79 %
1 stopover Miami International Airport, FL
06h 56min, from 570 $
14 %
1 stopover Orlando International Airport, FL
10h 14min, from 452 $
7 %

Important flight information

Flight information: Philadelphia - San Juan (Puerto Rico)

Roundtrip from 302,97 $
Flight duration min. 03:52 / max. 04:21
Return flight duration min. 04:08/ max. 04:20
Distance 2546 km
Flights per week 24
Departure airport Airport Philadelphia International Airport, PA (PHL)
Arrival airport Airport San Juan - Luis Muñoz Marín International Airport (SJU)
Destination country Flights to Puerto Rico
Alternative flights to San Juan (Puerto Rico)
Flight destinations with a similar price