Domestic route
Cheap flights from Philadelphia to San Juan
Philadelphia International Airport (PHL) to Luis Muñoz Marín International Airport (SJU). 1,580 miles, 3h 35m nonstop.
PHL to SJU at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 1,580 milesgreat-circle
- Typical flight time
- 3h 35mnonstop, gate to gate
- Nonstop airlines
- AAB6ASF94 airlinesAmerican, JetBlue, Alaska
- Nonstop flights per day
- 17all airlines combined
- Cheapest month
- October 2026over the next six months
- Best day to fly
- Wednesday18% less than Sunday
- Time difference
- Same time zone
Philadelphia to San Juan
Round trips from $142
Per traveler, taxes and fees included. Lowest fare we found departs Wed, Oct 14.
Cheapest month: October 2026
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppPhiladelphia to San Juan fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Philadelphia to San Juan
4 airlines fly nonstop with 17 departures a day combined, plus 6 more with one stop.
- AAAmerican AirlinesoneworldNonstop · 7 flights a day · first checked bag from $40
- B6JetBlueNonstop · 5 flights a day · first checked bag from $40
- F9Frontier AirlinesLow-costNonstop · 3 flights a day · first checked bag from $55
- ASAlaska AirlinesoneworldNonstop · 2 flights a day · first checked bag from $35
- G4Allegiant AirLow-costConnecting via SFB, PIE · first checked bag from $50
- MXBreeze AirwaysLow-costConnecting via PVD, CHS, TPA, RDU, BDL, ORF · first checked bag from $45
- DLDelta Air LinesSkyTeamConnecting via ATL, DTW, BOS, LGA · first checked bag from $35
- WNSouthwest AirlinesLow-costConnecting via MCO, ATL, BNA · first checked bag from $35
- NKSpirit AirlinesLow-costConnecting via FLL, DTW, MCO, ATL · first checked bag from $55
- UAUnited AirlinesStar AllianceConnecting via IAD · first checked bag from $40
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Atlanta (ATL)DLWNNK3 airlines
- Detroit (DTW)DLNK2 airlines
- Orlando (MCO)WNNK2 airlines
- Boston (BOS)DL1 airline
- New York (LGA)DL1 airline
Tips for this route
- American, JetBlue, Alaska and Frontier all fly PHL to SJU nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
- October 2026 is the cheapest month to fly over the next six months, with round trips from $142; September 2026 is the most expensive at $171 and up, a difference of $29 per traveler.
- Departing on a Wednesday averages 18% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks.
Destination guide
San Juan: Caribbean beaches, no passport required
San Juan is the easiest tropical trip for US travelers: no passport, US dollars, cell plans that just work, and nonstops from more than 30 mainland cities. Old San Juan's blue cobblestones, Condado's beaches and El Yunque rainforest are the essentials.
Best time to visit: December–April is dry and busy; late April–June and November offer good weather with lower fares. August–October is hurricane season and the cheapest.
Flying the other way? San Juan to PhiladelphiaFares, airlines and tips for SJU to PHL.Ready to compare live fares?
See every airline on PHL–SJU side by side with bags and seat rules spelled out.
Search Philadelphia to San JuanPhiladelphia to San Juan: common questions
How long is the flight from Philadelphia to San Juan?
A nonstop flight from Philadelphia (PHL) to San Juan (SJU) takes about 3h 35m gate to gate, covering 1,580 miles. Connecting itineraries add the layover, typically 1 to 3 hours more in total.
Which airlines fly nonstop from PHL to SJU?
American Airlines, JetBlue, Alaska Airlines and Frontier Airlines operate nonstop flights from Philadelphia (PHL) to San Juan (SJU), with 17 nonstop departures a day between them. One-stop options connect through ATL, DTW and MCO.
What is the cheapest month to fly from Philadelphia to San Juan?
Over the next six months, October 2026 has the lowest round-trip fares from Philadelphia (PHL) to San Juan (SJU), starting at $142 per traveler including taxes and fees. Within any month, Wednesday departures average the lowest prices.
How far in advance should I book Philadelphia to San Juan flights?
Fares on this route are usually lowest 4 to 8 weeks before departure and rise sharply inside two weeks. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Philadelphia and San Juan?
San Juan is in the same time zone as Philadelphia, so there is no clock change. PHL is on America/New York time and SJU on America/Puerto Rico time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.
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