Cheapest return flights from Philadelphia to San Juan in January from $191
AirHint found the following cheapest return flights from Philadelphia (PHL) to San Juan (SJU)
in January 2026 (see full year ).
Return flights
04 Jan
- 10 Jan
Frontier Airlines
$ 191
direct
05 Jan
- 11 Jan
Frontier Airlines
$ 193
11 Jan
- 16 Jan
Frontier Airlines
$ 193
04 Jan
- 09 Jan
Frontier Airlines
$ 196
direct
11 Jan
- 21 Jan
Frontier Airlines
$ 197
05 Jan
- 11 Jan
Frontier Airlines
$ 197
direct
05 Jan
- 12 Jan
Frontier Airlines
$ 200
05 Jan
- 09 Jan
Frontier Airlines
$ 202
direct
05 Jan
- 12 Jan
Frontier Airlines
$ 202
direct
04 Jan
- 08 Jan
Frontier Airlines
$ 203
27 Jan
- 20 Feb
Frontier Airlines
$ 230
direct
25 Jan
- 11 Feb
Spirit Airlines
$ 247
31 Jan
- 11 Feb
Spirit Airlines
$ 247
24 Jan
- 11 Feb
Spirit Airlines
$ 247
22 Jan
- 11 Feb
Spirit Airlines
$ 247
29 Jan
- 11 Feb
Spirit Airlines
$ 247
25 Jan
- 01 Feb
Frontier Airlines
$ 248
direct
24 Jan
- 01 Feb
Spirit Airlines
$ 264
26 Jan
- 11 Feb
Spirit Airlines
$ 265
04 Jan
- 15 Feb
Frontier Airlines
$ 266
Also check the deals for one-way flights from Philadelphia to San Juan in January .
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