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

Return flights

11 Dec - 17 Dec	Avianca	direct
15 Dec - 29 Dec	Avianca	direct
10 Dec - 17 Dec	Avianca	direct
12 Dec - 15 Dec	Avianca	direct
29 Dec - 05 Jan	Avianca	direct
06 Dec - 12 Dec	Avianca	direct
22 Dec - 29 Dec	Copa
11 Dec - 13 Dec	Copa
06 Dec - 08 Dec	Copa
22 Dec - 29 Dec	Avianca	direct
06 Dec - 08 Dec	Avianca	direct
31 Dec - 04 Jan	Copa	direct

Also check the deals for one-way flights from Guatemala City 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 Guatemala City to San Jose in December from $192

Return flights