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

Return flights

18 Aug - 25 Aug	Spirit Airlines
18 Aug - 05 Sep	Spirit Airlines
18 Aug - 27 Aug	Spirit Airlines
22 Aug - 25 Aug	Spirit Airlines
16 Aug - 25 Aug	Viva
22 Aug - 05 Sep	Spirit Airlines
13 Aug - 25 Aug	Viva
16 Aug - 05 Sep	Viva
22 Aug - 27 Aug	Spirit Airlines
16 Aug - 27 Aug	Viva
13 Aug - 27 Aug	Viva
18 Aug - 07 Sep	Spirit Airlines
13 Aug - 16 Aug	Avianca
22 Aug - 07 Sep	Spirit Airlines
18 Aug - 27 Aug	United	direct
22 Aug - 05 Sep	United	direct

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

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 August from 166€

Return flights