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

Return flights

14 Dec - 20 Dec	Avianca
25 Dec - 30 Dec	Avianca
28 Dec - 12 Jan	Avianca
21 Dec - 27 Dec	Viva
19 Dec - 27 Dec	Viva
24 Dec - 29 Dec	Avianca
27 Dec - 28 Dec	Avianca
14 Dec - 20 Dec	United	direct
19 Dec - 23 Dec	Viva
28 Dec - 12 Jan	United	direct
21 Dec - 30 Dec	Viva
19 Dec - 30 Dec	Viva
27 Dec - 04 Jan	Avianca
19 Dec - 05 Jan	Avianca
27 Dec - 04 Jan	United	direct
19 Dec - 05 Jan	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 369€

Return flights