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

Return flights

07 Dec - 20 Dec	Viva
01 Dec - 20 Dec	Viva
25 Dec - 30 Dec	Viva
26 Dec - 30 Dec	Viva
28 Dec - 03 Jan	Viva
29 Dec - 03 Jan	Viva
25 Dec - 03 Jan	Viva
26 Dec - 03 Jan	Viva
24 Dec - 30 Dec	United	direct
25 Dec - 30 Dec	Southwest Airlines	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 319€

Return flights