AirHint found the following cheapest return flights from Houston (HOU) to San Jose (SJO) in December 2025 (see full year).

Return flights

09 Dec - 10 Dec	Spirit Airlines
09 Dec - 15 Dec	Spirit Airlines
03 Dec - 06 Dec	Spirit Airlines
10 Dec - 15 Dec	Spirit Airlines
09 Dec - 14 Dec	Spirit Airlines
10 Dec - 14 Dec	Spirit Airlines
02 Dec - 10 Dec	Spirit Airlines
02 Dec - 06 Dec	Spirit Airlines
16 Dec - 05 Jan	Volaris El Salvador
09 Dec - 22 Dec	Spirit Airlines
03 Dec - 15 Dec	Spirit Airlines
27 Dec - 05 Jan	Spirit Airlines
25 Dec - 05 Jan	Viva
26 Dec - 05 Jan	Viva
25 Dec - 01 Jan	Viva
26 Dec - 01 Jan	Viva
13 Dec - 01 Jan	Spirit Airlines
16 Dec - 01 Jan	Spirit Airlines
16 Dec - 05 Jan	United	direct

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

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 December from $183

Return flights