Cheapest return flights from Austin to San Jose in September from 159€

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

Return flights

30 Sep - 11 Oct Spirit Airlines
27 Sep - 30 Sep Spirit Airlines
27 Sep - 11 Oct Spirit Airlines
24 Sep - 30 Sep Spirit Airlines
24 Sep - 11 Oct Spirit Airlines
24 Sep - 27 Sep Spirit Airlines
30 Sep - 04 Oct Spirit Airlines
27 Sep - 04 Oct Spirit Airlines
25 Sep - 30 Sep Spirit Airlines
25 Sep - 11 Oct Spirit Airlines
10 Sep - 30 Sep Spirit Airlines
25 Sep - 27 Sep Spirit Airlines
10 Sep - 27 Sep Spirit Airlines
10 Sep - 24 Sep Spirit Airlines
09 Sep - 27 Sep Spirit Airlines
09 Sep - 24 Sep Spirit Airlines
24 Sep - 04 Oct Spirit Airlines
25 Sep - 04 Oct Spirit Airlines
19 Sep - 04 Oct Spirit Airlines

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

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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