Cheapest return flights from San Antonio to San Juan in December from $212

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

Return flights

04 Dec - 05 Dec Spirit Airlines
08 Dec - 12 Dec United
08 Dec - 12 Dec Spirit Airlines direct
08 Dec - 20 Dec Spirit Airlines direct
08 Dec - 19 Dec Spirit Airlines direct
04 Dec - 12 Dec Spirit Airlines
05 Dec - 12 Dec Spirit Airlines direct
04 Dec - 20 Dec Spirit Airlines
04 Dec - 19 Dec Spirit Airlines
05 Dec - 20 Dec Spirit Airlines direct
31 Dec - 19 Jan Spirit Airlines direct

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

Skyscanner

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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