San Juan, undefined to Philadelphia, PA flights from $57
Flights starting at $57. Choose between Spirit Airlines, Frontier Airlines, or American Airlines to find the best price.
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Tips to know when travelling to Philadelphia
Cheapest one-way trip | $76 |
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Cheapest nonstop round-trip | $57 |
Cheapest round-trip | $192 |
Includes rare itinerary | Travel hack |
Nonstop flights in February | $57 – $1096 |
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Weekly direct flights
Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
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Direct flights | 5 | 4 | 3 | 4 | 5 | 4 | 4 |
American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Frontier Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Spirit Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Check-in for a flight from San Juan to Philadelphia
Name | Carrier code | IATA Code | Passport needed during booking | Online check-in available |
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Spirit Airlines | NKS | NK | No | Opens 24 days before flight Closes 1 hours before flight |
Frontier Airlines | FFT | F9 | No | Opens 24 days before flight Closes 1 hours before flight |
American Airlines | AAL | AA | Yes | No |
JetBlue Airways | JBU | B6 | Yes | Opens 24 days before flight Closes 2 hours before flight |
United Airlines | UAL | UA | Yes | No |
United States COVID-19 travel restrictions

Most travelers from Puerto Rico can enter Philadelphia, PHL, but there are restrictions.
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Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.
Learn more about COVID-19 restrictions in United States in our dedicated Stories article.
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