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Philadelphia (PHL) to San Juan (SJU) flight prices

A quick snapshot of Philadelphia (PHL) to San Juan (SJU) fares — lowest and typical prices plus the cheapest months and weekdays to fly, the airlines on the route and the usual duration for travel from United States to Puerto Rico.

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Estimated median price for a one-way ticket

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Price graph and price trends for Philadelphia International Airport-Luis Munoz Marin International
Weekly price trend
Today
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Week
16
20
24
28
32
36
40
44
USD 60–101
USD 102–144
USD 145–186
USD 187–229
USD 230–272
Monthly price summary
March
AprilBest price
May
June
July
August
September
October
NovemberMost expensive
December

Ticket prices for Philadelphia to San Juan (March 2026 - December 2026) are shown here with weekly or monthly averages to indicate cheaper and more expensive periods.

Source: Flightprices.com & Kayak.com
Forecast updated: February 7, 2026.
Flight information
PHL → SJU
Flight frequency
51 flights/week
Type
Direct flight
Duration
3 hours 59 minutes

Airlines with non-stop flights on this route:
Frontier logo Frontier American Airlines logo American Airlines JetBlue logo JetBlue
FAQ – Philadelphia (PHL) → San Juan (SJU)

Yes — several low-cost airlines operate this route: Frontier and JetBlue.

Based on recent price logs, the cheapest month(s) is August 2026. Use the monthly view above to spot the dip weeks.

Based on price logs for the next 12 months, the cheapest day(s) to depart is Tuesday. Compare weekdays in the fare calendar to target these departures.

Usually yes, but not always. Check both options — you can easily switch between them in our widget.

For domestic routes like PHL-SJU, good deals often appear a few weeks out. Watch for sales and avoid peak dates.
PHL–SJU
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Philadelphia (PHL)
San Juan (SJU)
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