Cheapest return flights from San Jose to San Juan in June from $296

Best time to book flights for San Jose (SJC) to San Juan (SJU) flights at AirHint

AirHint found the following cheapest return flights from San Jose (SJC) to San Juan (SJU) in June 2025 (see full year).

Return flights

01 Jun - 04 Jun Spirit Airlines
10 Jun - 17 Jun Spirit Airlines
17 Jun - 24 Jun Delta
08 Jun - 16 Jun Frontier Airlines
24 Jun - 01 Jul Delta
23 Jun - 28 Jun Alaska Airlines
10 Jun - 18 Jun Alaska Airlines
09 Jun - 14 Jun Alaska Airlines
02 Jun - 07 Jun Alaska Airlines
05 Jun - 11 Jun Alaska Airlines
27 Jun - 04 Jul Alaska Airlines

Also check the deals for one-way flights from San Jose to San Juan in June.

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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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