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
01 Sep
- 12 Sep
Frontier Airlines
223 €
26 Sep
- 28 Sep
Frontier Airlines
224 €
19 Sep
- 21 Sep
Frontier Airlines
224 €
01 Sep
- 04 Sep
Frontier Airlines
224 €
26 Sep
- 29 Sep
Frontier Airlines
224 €
06 Sep
- 12 Sep
Frontier Airlines
224 €
20 Sep
- 26 Sep
Frontier Airlines
224 €
05 Sep
- 11 Sep
Frontier Airlines
224 €
28 Sep
- 05 Oct
Frontier Airlines
224 €
01 Sep
- 06 Sep
Frontier Airlines
228 €
12 Sep
- 20 Sep
Frontier Airlines
228 €
24 Sep
- 05 Oct
Spirit Airlines
237 €
27 Sep
- 05 Oct
Spirit Airlines
237 €
20 Sep
- 05 Oct
Spirit Airlines
241 €
17 Sep
- 05 Oct
Spirit Airlines
241 €
24 Sep
- 06 Oct
Spirit Airlines
254 €
27 Sep
- 06 Oct
Spirit Airlines
254 €
20 Sep
- 06 Oct
Spirit Airlines
257 €
17 Sep
- 06 Oct
Spirit Airlines
257 €
15 Sep
- 05 Oct
Spirit Airlines
268 €
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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