Cheapest return flights from Austin to San Jose in December from $208

AirHint found the following cheapest return flights from Austin (AUS) to San Jose (SJO) in December 2025 (see full year).

Return flights

06 Dec - 09 Dec Spirit Airlines
06 Dec - 16 Dec Spirit Airlines
06 Dec - 08 Dec Spirit Airlines
01 Dec - 09 Dec Viva
08 Dec - 09 Dec Spirit Airlines
06 Dec - 20 Dec Spirit Airlines
01 Dec - 03 Dec Viva
08 Dec - 17 Dec Spirit Airlines
01 Dec - 16 Dec Viva
08 Dec - 16 Dec Spirit Airlines
15 Dec - 02 Jan Viva
13 Dec - 02 Jan Spirit Airlines
23 Dec - 02 Jan Spirit Airlines
21 Dec - 02 Jan Spirit Airlines
20 Dec - 02 Jan Spirit Airlines

Also check the deals for one-way flights from Austin to San Jose in December.

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