AirHint found the following cheapest return flights from Guatemala City (GUA) to Flores (FRS) in September 2025 (see full year).

Return flights

22 Sep - 22 Sep	Avianca	direct
04 Sep - 11 Sep	Avianca	direct
23 Sep - 23 Sep	Avianca	direct
17 Sep - 19 Sep	Avianca	direct
26 Sep - 28 Sep	Avianca	direct
04 Sep - 06 Sep	Avianca	direct
04 Sep - 07 Sep	Avianca	direct
15 Sep - 29 Sep	Avianca	direct
03 Sep - 18 Sep	Avianca	direct
03 Sep - 10 Sep	Avianca	direct
29 Sep - 06 Oct	Avianca	direct
16 Sep - 31 Oct	Avianca	direct
30 Sep - 07 Oct	Avianca	direct
26 Sep - 03 Oct	Avianca	direct

Also check the deals for one-way flights from Guatemala City to Flores in September.

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 Flores in September from 86€

Return flights