Cheapest return flights from Philadelphia to San Juan in December from 132€
AirHint found the following cheapest return flights from Philadelphia (PHL) to San Juan (SJU)
in December 2025 (see full year ).
Return flights
06 Dec
- 11 Dec
Frontier Airlines
132 €
06 Dec
- 13 Dec
Frontier Airlines
132 €
07 Dec
- 16 Dec
Spirit Airlines
135 €
07 Dec
- 13 Dec
Spirit Airlines
135 €
14 Dec
- 16 Dec
Spirit Airlines
136 €
07 Dec
- 09 Dec
Spirit Airlines
136 €
08 Dec
- 16 Dec
Spirit Airlines
136 €
08 Dec
- 13 Dec
Spirit Airlines
136 €
08 Dec
- 09 Dec
Spirit Airlines
136 €
05 Dec
- 13 Dec
Spirit Airlines
147 €
31 Dec
- 14 Jan
Spirit Airlines
164 €
31 Dec
- 13 Jan
Spirit Airlines
164 €
31 Dec
- 12 Jan
Spirit Airlines
170 €
31 Dec
- 21 Jan
Spirit Airlines
170 €
31 Dec
- 13 Jan
Spirit Airlines
177 €
direct
31 Dec
- 12 Jan
Spirit Airlines
177 €
direct
31 Dec
- 17 Jan
Spirit Airlines
181 €
31 Dec
- 15 Jan
Spirit Airlines
181 €
31 Dec
- 16 Jan
Spirit Airlines
181 €
12 Dec
- 18 Jan
Frontier Airlines
182 €
direct
Also check the deals for one-way flights from Philadelphia to San Juan in December .
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