Cheapest return flights from Los Angeles to San Juan in April from $199

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

Return flights

07 Apr - 18 Apr Frontier Airlines
13 Apr - 16 Apr Frontier Airlines
07 Apr - 14 Apr Frontier Airlines
16 Apr - 21 Apr Frontier Airlines
15 Apr - 20 Apr Frontier Airlines
07 Apr - 13 Apr Frontier Airlines
16 Apr - 20 Apr Frontier Airlines
15 Apr - 18 Apr Frontier Airlines
09 Apr - 14 Apr Frontier Airlines
30 Apr - 06 May Frontier Airlines
29 Apr - 06 May Frontier Airlines
23 Apr - 27 Apr Frontier Airlines
29 Apr - 04 May Frontier Airlines
28 Apr - 01 May Frontier Airlines
29 Apr - 03 May Frontier Airlines
13 Apr - 01 May Spirit Airlines
21 Apr - 06 May Spirit Airlines
28 Apr - 06 May Spirit Airlines
29 Apr - 11 May Spirit Airlines
29 Apr - 15 May Spirit Airlines

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

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