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

Return flights

20 Dec - 31 Dec	Avianca
17 Dec - 07 Jan	Avianca	direct
04 Dec - 09 Dec	Avianca
04 Dec - 08 Dec	Avianca
20 Dec - 27 Dec	Avianca
02 Dec - 06 Dec	Avianca
12 Dec - 16 Dec	Avianca	direct
12 Dec - 18 Dec	Avianca	direct
11 Dec - 16 Dec	Avianca	direct
02 Dec - 06 Dec	Avianca	direct
20 Dec - 27 Dec	Avianca	direct
25 Dec - 17 Jan	Avianca	direct
17 Dec - 02 Jan	Avianca	direct
25 Dec - 01 Jan	Arajet
25 Dec - 01 Jan	Avianca	direct
30 Dec - 05 Jan	Avianca
23 Dec - 03 Jan	Avianca	direct
27 Dec - 04 Jan	Avianca
28 Dec - 02 Jan	Avianca

Also check the deals for one-way flights from Guatemala City to Miami 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 Miami in December from 146€

Return flights