AirHint found the following cheapest return flights from Austin (AUS) to San Jose (SJO) in January 2026 (see full year).

Return flights

12 Jan - 21 Jan	Viva
12 Jan - 24 Jan	Viva
12 Jan - 27 Jan	Viva
12 Jan - 28 Jan	Viva
12 Jan - 31 Jan	Viva
06 Jan - 13 Jan	jetBlue
07 Jan - 14 Jan	jetBlue
10 Jan - 17 Jan	jetBlue
27 Jan - 03 Feb	jetBlue
19 Jan - 26 Jan	jetBlue
08 Jan - 15 Jan	jetBlue
28 Jan - 04 Feb	Spirit Airlines
25 Jan - 01 Feb	jetBlue
31 Jan - 07 Feb	jetBlue
21 Jan - 03 Feb	Spirit Airlines
21 Jan - 04 Feb	Spirit Airlines
21 Jan - 07 Feb	Spirit Airlines
21 Jan - 10 Feb	Spirit Airlines
27 Jan - 04 Feb	Spirit Airlines
27 Jan - 07 Feb	Spirit Airlines

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

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 Austin to San Jose in January from $255

Return flights