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

Return flights

20 Aug - 27 Aug	Copa
26 Aug - 09 Sep	Copa
16 Aug - 22 Aug	Copa
19 Aug - 26 Aug	Copa
16 Aug - 19 Aug	Copa
27 Aug - 10 Sep	Copa
31 Aug - 03 Sep	Avianca
18 Aug - 21 Aug	Avianca
16 Aug - 22 Aug	Avianca	direct
18 Aug - 20 Aug	Avianca
29 Aug - 31 Aug	Avianca
18 Aug - 20 Aug	Avianca	direct
16 Aug - 19 Aug	Avianca	direct
29 Aug - 01 Sep	Avianca
31 Aug - 09 Sep	Avianca
29 Aug - 01 Sep	Avianca	direct
28 Aug - 01 Sep	Avianca

Also check the deals for one-way flights from Miami to Guatemala City in August.

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 Miami to Guatemala City in August from 162€

Return flights