AirHint found the following cheapest return flights from Newark (EWR) to San Juan (SJU)
in July 2025 (see full year ).
Return flights
15 Jul
- 24 Jul
Frontier Airlines
$ 210
direct
01 Jul
- 09 Jul
Frontier Airlines
$ 210
direct
01 Jul
- 15 Jul
Frontier Airlines
$ 210
direct
01 Jul
- 08 Jul
Frontier Airlines
$ 210
direct
05 Jul
- 09 Jul
Frontier Airlines
$ 229
direct
04 Jul
- 09 Jul
Frontier Airlines
$ 229
direct
11 Jul
- 15 Jul
Frontier Airlines
$ 229
direct
08 Jul
- 15 Jul
Frontier Airlines
$ 229
direct
11 Jul
- 16 Jul
Frontier Airlines
$ 231
direct
22 Jul
- 25 Jul
Frontier Airlines
$ 234
direct
05 Jul
- 01 Aug
Frontier Airlines
$ 240
direct
31 Jul
- 07 Aug
Frontier Airlines
$ 240
direct
29 Jul
- 01 Aug
Frontier Airlines
$ 240
direct
30 Jul
- 03 Aug
Frontier Airlines
$ 280
direct
27 Jul
- 02 Aug
Frontier Airlines
$ 280
direct
25 Jul
- 02 Aug
Frontier Airlines
$ 305
direct
25 Jul
- 13 Aug
Frontier Airlines
$ 305
direct
29 Jul
- 05 Aug
Frontier Airlines
$ 305
direct
31 Jul
- 03 Aug
Frontier Airlines
$ 305
direct
31 Jul
- 04 Aug
Frontier Airlines
$ 310
direct
Also check the deals for one-way flights from Newark to San Juan in July .
The deals are updated regularly. The prices may go up as tickets are purchased by other travellers.
Only the cheapest flights are offered.
Select a price to book and secure these cheap prices.