AirHint found the following cheapest return flights from Los Angeles (LAX) to San Juan (SJU) in May 2026 (see full year).

Return flights

19 May - 23 May	United
14 May - 19 May	United
11 May - 15 May	United
19 May - 24 May	United
13 May - 17 May	Southwest Airlines
20 May - 24 May	United
22 May - 29 May	Southwest Airlines
19 May - 26 May	United

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

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 May from 252€

Return flights