Cheapest return flights from Los Angeles to San Juan in October from $210

AirHint found the following cheapest return flights from Los Angeles (LAX) to San Juan (SJU) in October 2025 (see full year).

Return flights

16 Oct - 21 Oct Frontier Airlines
15 Oct - 20 Oct Frontier Airlines
12 Oct - 19 Oct Frontier Airlines
19 Oct - 02 Nov Frontier Airlines
26 Oct - 02 Nov Frontier Airlines
26 Oct - 09 Nov Frontier Airlines
12 Oct - 26 Oct Frontier Airlines
19 Oct - 26 Oct Frontier Airlines
15 Oct - 19 Oct Spirit Airlines
15 Oct - 27 Oct Spirit Airlines
26 Oct - 14 Nov Spirit Airlines
26 Oct - 10 Nov Spirit Airlines
26 Oct - 08 Nov Spirit Airlines
26 Oct - 27 Oct Spirit Airlines
19 Oct - 27 Oct Spirit Airlines
19 Oct - 20 Oct Spirit Airlines
19 Oct - 08 Nov Spirit Airlines
15 Oct - 02 Nov Spirit Airlines
26 Oct - 16 Nov Spirit Airlines
19 Oct - 09 Nov Spirit Airlines

Also check the deals for one-way flights from Los Angeles to San Juan in October.

Skyscanner

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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