Cheapest return flights from San Antonio to San Juan in October from $253

AirHint found the following cheapest return flights from San Antonio (SAT) to San Juan (SJU) in October 2025 (see full year).

Return flights

27 Oct - 14 Nov Spirit Airlines direct
31 Oct - 20 Nov Spirit Airlines
31 Oct - 07 Nov Spirit Airlines
31 Oct - 14 Nov Spirit Airlines
24 Oct - 07 Nov Spirit Airlines direct
24 Oct - 14 Nov Spirit Airlines
24 Oct - 30 Oct Spirit Airlines
31 Oct - 03 Nov Spirit Airlines
24 Oct - 03 Nov Spirit Airlines direct
24 Oct - 27 Oct Spirit Airlines
26 Oct - 07 Nov Spirit Airlines
30 Oct - 20 Nov Spirit Airlines
24 Oct - 27 Oct Spirit Airlines direct
27 Oct - 30 Oct Spirit Airlines
26 Oct - 30 Oct Spirit Airlines
26 Oct - 27 Oct Spirit Airlines
25 Oct - 30 Oct Frontier Airlines

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

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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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