Cheapest return SAT–SJO flights, September

AirHint found the following cheapest return flights from San Antonio (SAT) to San Jose (SJO) in September 2026 (see full year).

Return flights

07 Sep - 15 Sep Viva
21 Sep - 26 Sep Viva
07 Sep - 26 Sep Viva
21 Sep - 03 Oct Viva
21 Sep - 10 Oct Viva
25 Sep - 03 Oct Viva
25 Sep - 10 Oct Viva
28 Sep - 03 Oct Viva
28 Sep - 10 Oct Viva
14 Sep - 26 Sep Viva
18 Sep - 26 Sep Viva
21 Sep - 29 Sep Viva
25 Sep - 29 Sep Viva
07 Sep - 19 Sep Viva
07 Sep - 22 Sep Viva
14 Sep - 03 Oct Viva
18 Sep - 03 Oct Viva
25 Sep - 13 Oct Viva
28 Sep - 13 Oct Viva
11 Sep - 15 Sep Viva

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

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