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

Return flights

13 Sep - 19 Sep	Viva
03 Sep - 19 Sep	Viva
25 Sep - 02 Oct	Avianca
08 Sep - 18 Sep	Spirit Airlines
03 Sep - 07 Sep	Avianca
13 Sep - 19 Sep	United	direct
03 Sep - 07 Sep	United	direct
08 Sep - 18 Sep	United	direct
25 Sep - 02 Oct	United	direct

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

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 Houston to San Jose in September from 189€

Return flights