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

Return flights

02 Nov - 16 Nov	Frontier Airlines
09 Nov - 16 Nov	Frontier Airlines
03 Nov - 07 Nov	Frontier Airlines
03 Nov - 08 Nov	Frontier Airlines
02 Nov - 09 Nov	Frontier Airlines
07 Nov - 15 Nov	Frontier Airlines
08 Nov - 15 Nov	Frontier Airlines
04 Nov - 08 Nov	United
02 Nov - 15 Nov	Spirit Airlines
19 Nov - 25 Nov	United
23 Nov - 07 Dec	United
30 Nov - 07 Dec	Southwest Airlines
30 Nov - 14 Dec	Southwest Airlines

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

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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Cheapest return flights from Los Angeles to San Juan in November from 224€

Return flights