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

Return flights

10 Apr - 16 Apr	United
11 Apr - 16 Apr	United
12 Apr - 16 Apr	United
18 Apr - 24 Apr	United
19 Apr - 24 Apr	United
20 Apr - 24 Apr	United
21 Apr - 28 Apr	United
22 Apr - 28 Apr	United
24 Apr - 28 Apr	United
02 Apr - 09 Apr	Copa
26 Apr - 02 May	Copa
27 Apr - 02 May	Copa
30 Apr - 06 May	Copa
28 Apr - 05 May	Spirit Airlines
25 Apr - 02 May	Copa
28 Apr - 02 May	Spirit Airlines
30 Apr - 05 May	jetBlue

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

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 April from $277

Return flights