Frontier's UpFront Plus seats guarantee an empty middle seat for extra comfort.
Frontier's Economy Bundle includes a carry-on bag, seat selection, and no cancellation fees.
Round-trip from | $155 (CheapOair) |
---|---|
One-way from | $90 (Cheapflightsfares) |
Popular in | December |
Cheapest in | October |
Average price | $244 |
Good round-trip deal | $240 or less |
Good one-way deal | $138 or less |
Fly from
Fly to
Route
Depart
Return
Price
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Thu 9/25
7:10 am-11:01 am
Nonstop3h 51m
San Juan Luis Munoz Marin Intl
Sat 9/27
12:28 am-4:27 am
Nonstop3h 59m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Thu 9/18
7:10 am-11:01 am
Nonstop3h 51m
San Juan Luis Munoz Marin Intl
Tue 9/23
1:06 pm-5:05 pm
Nonstop3h 59m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Thu 9/25
4:03 pm-9:52 am
1 stop17h 49m
San Juan Luis Munoz Marin Intl
Sat 9/27
12:28 am-4:27 am
Nonstop3h 59m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Tue 10/21
6:30 am-2:44 pm
1 stop8h 14m
San Juan Luis Munoz Marin Intl
Wed 10/22
1:05 am-9:47 am
2 stops8h 42m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Tue 10/21
10:35 am-9:59 pm
1 stop11h 24m
San Juan Luis Munoz Marin Intl
Thu 10/23
7:15 am-6:20 pm
1 stop11h 05m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Sat 11/1
8:43 pm-12:29 am
Nonstop3h 46m
San Juan Luis Munoz Marin Intl
Sun 11/9
2:11 am-5:09 am
Nonstop3h 58m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Thu 9/18
7:32 pm-11:23 pm
Nonstop3h 51m
San Juan Luis Munoz Marin Intl
Sun 9/21
3:39 am-11:38 am
1 stop7h 59m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Thu 10/30
12:40 pm-11:50 pm
2 stops11h 10m
San Juan Luis Munoz Marin Intl
Wed 11/5
8:55 am-2:25 pm
1 stop6h 30m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Wed 12/10
6:15 am-11:05 am
Nonstop3h 50m
PhiladelphiaSan Juan
PHL - SJU
PHLSJU
Philadelphia
Thu 10/9
7:15 am-11:13 am
Nonstop3h 58m
The best time to book flights from Philadelphia to San Juan Luis Munoz Marin Intl Airport is 28 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
Currently, September is the cheapest month in which you can book a flight from Philadelphia to San Juan Luis Munoz Marin Intl Airport (average of $254). Flying from Philadelphia to San Juan Luis Munoz Marin Intl Airport in June is currently the most expensive (average of $339). 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.
It’s typically best to fly out from Philadelphia to San Juan Luis Munoz Marin Intl Airport in the evening. Doing so could potentially save you 27% on the flight price compared to flying at noon, which is usually more expensive.
Travelers seeking maximum savings on their Philadelphia to San Juan Luis Munoz Marin Intl Airport flight should consider departing on Wednesday afternoons when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Chicago (ORD) – chosen by Cheapflights users on 29% of 1-stop itineraries from Philadelphia to San Juan Luis Munoz Marin Intl Airport on Cheapflights.
Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 6h 19m.
Flights via Washington, D.C. (IAD) have the shortest average one-way travel time for 1-stop routes: 6h 19m.
Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average layover time of 1h 18m.
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Entertainment
Food
Overall
Comfort
Boarding
Crew
Reviews
Kim,May 2025
PIH - SLC
Airline | Cheapest | Average | Flexibility | On-time |
---|---|---|---|---|
Cheapest$99 | Average$159 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$129 | Average$258 | FlexibilityNo cancel fee | On-time65% | |
Cheapest$147 | Average$275 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$209 | Average$412 | FlexibilityNo cancel fee | On-time62% | |
Cheapest$213 | Average$460 | FlexibilityNo cancel fee | On-time63% | |
Cheapest$217 | Average$342 | FlexibilityNo cancel fee | On-timeN/A | |
Cheapest$243 | Average$463 | FlexibilityNo cancel fee | On-time71% | |
Cheapest$420 | Average$512 | FlexibilityNo cancel fee | On-time69% |