Cheapest return flights from Philadelphia to San Juan in January from 187€
AirHint found the following cheapest return flights from Philadelphia (PHL) to San Juan (SJU)
in January 2026 (see full year ).
Return flights
05 Jan
- 09 Jan
Frontier Airlines
187 €
direct
06 Jan
- 09 Jan
Frontier Airlines
187 €
direct
04 Jan
- 09 Jan
Frontier Airlines
196 €
direct
09 Jan
- 14 Jan
Frontier Airlines
202 €
02 Jan
- 09 Jan
Frontier Airlines
209 €
direct
08 Jan
- 14 Jan
Frontier Airlines
210 €
07 Jan
- 12 Jan
Frontier Airlines
210 €
23 Jan
- 28 Jan
Frontier Airlines
214 €
direct
21 Jan
- 25 Jan
Frontier Airlines
214 €
direct
21 Jan
- 26 Jan
Frontier Airlines
214 €
direct
24 Jan
- 04 Feb
Frontier Airlines
214 €
direct
22 Jan
- 04 Feb
Spirit Airlines
229 €
22 Jan
- 11 Feb
Spirit Airlines
229 €
24 Jan
- 11 Feb
Spirit Airlines
229 €
25 Jan
- 04 Feb
Spirit Airlines
229 €
25 Jan
- 11 Feb
Spirit Airlines
229 €
29 Jan
- 04 Feb
Spirit Airlines
229 €
29 Jan
- 11 Feb
Spirit Airlines
229 €
31 Jan
- 04 Feb
Spirit Airlines
229 €
31 Jan
- 11 Feb
Spirit Airlines
229 €
Also check the deals for one-way flights from Philadelphia to San Juan in January .
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