AirHint found the following cheapest return flights from Jacksonville (JAX) to San Juan (SJU)
in June 2025 (see full year ).
Return flights
24 Jun
- 01 Jul
Frontier Airlines
$ 233
direct
19 Jun
- 21 Jun
Frontier Airlines
$ 245
direct
03 Jun
- 05 Jun
Frontier Airlines
$ 245
direct
13 Jun
- 21 Jun
Frontier Airlines
$ 246
direct
05 Jun
- 10 Jun
Frontier Airlines
$ 246
direct
03 Jun
- 08 Jun
Frontier Airlines
$ 246
direct
16 Jun
- 20 Jun
Frontier Airlines
$ 253
direct
06 Jun
- 13 Jun
Frontier Airlines
$ 253
direct
26 Jun
- 30 Jun
Frontier Airlines
$ 256
direct
06 Jun
- 15 Jun
Frontier Airlines
$ 263
direct
05 Jun
- 15 Jun
Frontier Airlines
$ 266
direct
Also check the deals for one-way flights from Jacksonville 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.