AirHint found the following cheapest return flights from Newark (EWR) to San Juan (SJU)
in June 2025 (see full year ).
Return flights
10 Jun
- 17 Jun
Frontier Airlines
$ 131
direct
10 Jun
- 19 Jun
Frontier Airlines
$ 131
direct
07 Jun
- 12 Jun
Frontier Airlines
$ 135
direct
01 Jun
- 11 Jun
Frontier Airlines
$ 143
direct
07 Jun
- 11 Jun
Frontier Airlines
$ 150
direct
03 Jun
- 17 Jun
Frontier Airlines
$ 153
direct
01 Jun
- 06 Jun
Frontier Airlines
$ 163
direct
22 Jun
- 26 Jun
Frontier Airlines
$ 171
direct
12 Jun
- 26 Jun
Frontier Airlines
$ 173
direct
05 Jun
- 07 Jun
Frontier Airlines
$ 173
direct
27 Jun
- 04 Jul
Frontier Airlines
$ 223
direct
13 Jun
- 09 Jul
Frontier Airlines
$ 262
direct
18 Jun
- 08 Jul
Frontier Airlines
$ 268
direct
24 Jun
- 08 Jul
Frontier Airlines
$ 268
direct
05 Jun
- 07 Jul
Frontier Airlines
$ 278
direct
03 Jun
- 07 Jul
Frontier Airlines
$ 278
direct
04 Jun
- 07 Jul
Frontier Airlines
$ 298
direct
27 Jun
- 01 Jul
Frontier Airlines
$ 298
direct
27 Jun
- 02 Jul
Frontier Airlines
$ 306
direct
28 Jun
- 02 Jul
Frontier Airlines
$ 308
direct
Also check the deals for one-way flights from Newark to San Juan in June .
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.