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

Return flights

09 Oct - 13 Oct	Avianca
26 Oct - 31 Oct	Avianca
24 Oct - 29 Oct	Avianca
30 Oct - 04 Nov	Avianca
25 Oct - 01 Nov	Avianca
26 Oct - 01 Nov	Avianca
03 Oct - 07 Oct	Avianca	direct
04 Oct - 08 Oct	Frontier Airlines
03 Oct - 08 Oct	Frontier Airlines
25 Oct - 31 Oct	Frontier Airlines
25 Oct - 30 Oct	Avianca
26 Oct - 02 Nov	United	direct
19 Oct - 27 Oct	Avianca	direct
19 Oct - 28 Oct	Avianca	direct
28 Oct - 06 Nov	Avianca
30 Oct - 04 Nov	United	direct

Also check the deals for one-way flights from Washington to Guatemala City 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 Washington to Guatemala City in October from 262€

Return flights