AirHint found the following cheapest return flights from Guatemala City (GUA) to Buenos Aires (EZE) in December 2025 (see full year).

Return flights

21 Dec - 31 Dec	Avianca
31 Dec - 12 Jan	Avianca
20 Dec - 30 Dec	Avianca
10 Dec - 31 Dec	Copa
20 Dec - 09 Jan	Avianca
30 Dec - 04 Jan	Avianca
10 Dec - 25 Dec	Copa
21 Dec - 04 Jan	Avianca
17 Dec - 23 Dec	Copa
19 Dec - 10 Jan	Avianca
19 Dec - 31 Dec	Copa
20 Dec - 31 Dec	Copa
20 Dec - 25 Dec	Copa
20 Dec - 01 Jan	Copa
30 Dec - 08 Jan	Copa
21 Dec - 27 Dec	Copa
25 Dec - 04 Jan	Copa
19 Dec - 02 Jan	Copa
20 Dec - 02 Jan	Copa

Also check the deals for one-way flights from Guatemala City to Buenos Aires 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 Buenos Aires in December from $780

Return flights