Cheapest return flights from Austin to San Jose in December from $238

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

Return flights

11 Dec - 16 Dec Spirit Airlines
07 Dec - 16 Dec Spirit Airlines
08 Dec - 16 Dec Spirit Airlines
15 Dec - 16 Dec Viva
07 Dec - 08 Dec Spirit Airlines
07 Dec - 22 Dec Spirit Airlines
11 Dec - 22 Dec Spirit Airlines
15 Dec - 22 Dec Viva
04 Dec - 07 Dec Spirit Airlines
08 Dec - 22 Dec Spirit Airlines
03 Dec - 07 Jan Frontier Airlines
29 Dec - 01 Jan United
15 Dec - 05 Jan Viva
30 Dec - 05 Jan Spirit Airlines
30 Dec - 07 Jan Spirit Airlines
29 Dec - 05 Jan Spirit Airlines
15 Dec - 03 Jan Viva
30 Dec - 03 Jan Spirit Airlines
07 Dec - 04 Jan Spirit Airlines
30 Dec - 04 Jan Frontier Airlines

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

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