Cheapest return flights from Los Angeles to San Juan in September from 223€
AirHint found the following cheapest return flights from Los Angeles (LAX) to San Juan (SJU)
in September 2025 (see full year ).
Return flights
18 Sep
- 21 Sep
Frontier Airlines
223 €
18 Sep
- 28 Sep
Frontier Airlines
223 €
26 Sep
- 05 Oct
Frontier Airlines
223 €
19 Sep
- 22 Sep
Frontier Airlines
224 €
04 Sep
- 18 Sep
Frontier Airlines
227 €
18 Sep
- 29 Sep
Frontier Airlines
227 €
26 Sep
- 29 Sep
Frontier Airlines
228 €
08 Sep
- 14 Sep
Frontier Airlines
228 €
11 Sep
- 18 Sep
Frontier Airlines
228 €
20 Sep
- 25 Sep
Frontier Airlines
228 €
27 Sep
- 05 Oct
Spirit Airlines
236 €
03 Sep
- 18 Sep
Spirit Airlines
237 €
20 Sep
- 05 Oct
Spirit Airlines
259 €
18 Sep
- 05 Oct
Spirit Airlines
267 €
25 Sep
- 05 Oct
Spirit Airlines
274 €
29 Sep
- 05 Oct
Spirit Airlines
281 €
29 Sep
- 19 Oct
Spirit Airlines
305 €
19 Sep
- 05 Oct
Spirit Airlines
308 €
29 Sep
- 20 Oct
Spirit Airlines
543 €
Also check the deals for one-way flights from Los Angeles to San Juan in September .
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.
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