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

Return flights

01 Oct - 05 Oct	Avianca	direct
16 Oct - 21 Oct	Avianca	direct
21 Oct - 28 Oct	Avianca	direct
19 Oct - 25 Oct	Avianca	direct
15 Oct - 18 Oct	Avianca	direct
19 Oct - 02 Nov	Avianca	direct
25 Oct - 01 Nov	Avianca	direct
14 Oct - 02 Nov	Avianca	direct
01 Oct - 01 Oct	Copa	direct
17 Oct - 20 Oct	Avianca	direct
15 Oct - 19 Oct	Avianca	direct
15 Oct - 22 Oct	Avianca	direct
08 Oct - 11 Oct	Copa	direct
26 Oct - 02 Nov	Copa	direct
27 Oct - 03 Nov	Copa

Also check the deals for one-way flights from Guatemala City to San Jose in October.

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 October from $137

Return flights