AirHint found the following cheapest return flights from San Antonio (SAT) to San Juan (SJU) in June 2026 (see full year).

Return flights

06 Jun - 11 Jun	United
01 Jun - 02 Jun	Spirit Airlines
01 Jun - 11 Jun	Spirit Airlines
15 Jun - 22 Jun	Southwest Airlines
18 Jun - 25 Jun	United
01 Jun - 10 Jun	United
08 Jun - 11 Jun	Spirit Airlines
22 Jun - 08 Jul	Spirit Airlines
01 Jun - 01 Jun	Spirit Airlines
01 Jun - 12 Jun	Spirit Airlines
22 Jun - 26 Jun	Spirit Airlines
18 Jun - 08 Jul	Spirit Airlines

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

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 San Antonio to San Juan in June from 225€

Return flights