AirHint found the following cheapest return flights from Newark (EWR) to San Juan (SJU)
in July 2025 (see full year ).
Return flights
30 Jul
- 05 Aug
Frontier Airlines
$ 224
23 Jul
- 29 Jul
Frontier Airlines
$ 236
direct
22 Jul
- 29 Jul
Frontier Airlines
$ 240
direct
08 Jul
- 10 Jul
Frontier Airlines
$ 241
direct
02 Jul
- 08 Jul
Frontier Airlines
$ 243
direct
24 Jul
- 30 Jul
Frontier Airlines
$ 245
direct
05 Jul
- 10 Jul
Frontier Airlines
$ 247
direct
30 Jul
- 06 Aug
Frontier Airlines
$ 249
25 Jul
- 01 Aug
Frontier Airlines
$ 259
direct
03 Jul
- 08 Jul
jetBlue
$ 268
30 Jul
- 06 Aug
Frontier Airlines
$ 274
direct
31 Jul
- 05 Aug
Frontier Airlines
$ 274
direct
12 Jul
- 16 Jul
Frontier Airlines
$ 275
direct
25 Jul
- 08 Aug
Frontier Airlines
$ 277
direct
07 Jul
- 18 Jul
Frontier Airlines
$ 278
direct
20 Jul
- 25 Jul
Frontier Airlines
$ 279
direct
28 Jul
- 11 Aug
Frontier Airlines
$ 285
direct
31 Jul
- 06 Aug
Frontier Airlines
$ 302
direct
31 Jul
- 04 Aug
Frontier Airlines
$ 308
direct
30 Jul
- 03 Aug
Frontier Airlines
$ 316
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.